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  • The Computer Audiophile
    The Computer Audiophile

    Windows 7 Audio & J River Media Center 14 Configuration

    <img src="http://images.computeraudiophile.com/graphics/2010/0224/win-7-packaging-JRMC14.png" style="padding: 5pt 10pt 7pt 5pt;" align="left">Computer audiophiles using Windows 7 based music servers have a plethora of configuration and application choices for music management and playback. A quick look at <a href="http://en.wikipedia.org/wiki/Comparison_of_audio_player_software#General">Wikipedia's</a> list of applications, Windows, OS X and otherwise, can overwhelm anyone. Over the years I've tried more operating systems and applications than I can remember. Many of these have show stopping flaws that rule them out as contenders immediately. Applications that can't play certain file formats or all required sample rates don't receive much attention from me. That was the case over one year ago with J river Media Center 13. I tried to play some of the Reference Recordings HRx 24/176.4 material and had nothing but problems. No doubt the problems could have been worked out, but with so many options available elsewhere I didn't see any reason to spend time with the application. Since this initial underwhelming experience J River has released Media Center version 14. In addition many colleagues in the industry have encouraged me to give it another serious look. One colleague even backed up his suggestion with measurements showing JRMC's playback bit transparency. I started to see the light at CES this year and realized it was finally time take another look at J River Media Center as well as time to get serious about Windows 7.

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    In January 2010 at CES I listened to a demo using JRMC 14 and was really pleased with the sound. JRMC was running on a Mac laptop with Boot Camp and Windows 7. I compared the sound to the OS X / iTunes partition on the same laptop and was surprised at how much better I like JRMC in that system. I was finally convinced I needed to take JRMC much more seriously. Shortly after arriving home from Las Vegas I arranged a meeting with the people at J river and started using the application exclusively.

     

    My meeting with Jim Hillegas and Matt Ashland of J river focussed heavily on the audio capabilities of JRMC 14. The application itself can handle video, television, images, podcasts, and music among other things. I elected to concentrate solely on the music playback piece of the application as that's where my main interest lies and that's what Computer Audiophile is all about. After a brief tour of the J river office Matt and Jim lead me to a conference room where a music server with MC 14 was connected to a flat panel display. Jim was operating MC 14 via a standard Microsoft certified infrared remote control and the application was being displayed in Theater View. Right away I was surprised at how nice the interface looked and how available all the options were even though the traditional menus and buttons were absent. For example it was entirely possible to control music playback in several Zones from within Theater View. I expected Jim and Matt to exit Theater View to make changes or to send audio to different Zones, but that was not the case. I usually compare graphical user interfaces with iTunes and Apple's Front Row as they are the industry standard like it or not. The JRMC Theater View was actually easier to navigate than Front Row in at least one critical area. Anyone who has ever attempted to browse a music collection via Front Row has run into the nightmare that is scrolling through a list of hundreds or thousands of artists or albums. JRMC's interface is much better for browsing through an entire collection. It is simple to see a whole screen of album art and advance to the next set of albums.

     

     

     

     

     

    <a href="http://images.computeraudiophile.com/graphics/2010/0224/01-l.jpg" class="thickbox" rel="JRMC-W7-TV"><img src="http://images.computeraudiophile.com/graphics/2010/0224/01-s.jpg" style="padding: 5pt 10pt 7pt 5pt;" align="left" alt="JRMC-W7-TV 01"></a>   <a href="http://images.computeraudiophile.com/graphics/2010/0224/02-l.jpg" class="thickbox" rel="JRMC-W7-TV"><img src="http://images.computeraudiophile.com/graphics/2010/0224/02-s.jpg" style="padding: 5pt 10pt 7pt 5pt;" alt="JRMC-W7-TV 02"></a>

     

     

     

     

     

     

    After perusing the application's eye candy it was time to talk about features and audio quality. I began asking questions about the audio playback section and the difference between the available output options. After a couple questions Matt decided to draw a terrific diagram explaining how JR Media Center processes audio. Unfortunately much of the diagram contained J River's intellectual property and I have no desire to hurt the company by releasing any of the information shared with me. That said, I gained great knowledge into the applications inner workings and now understand what many of the options actually do to the digital audio output. More about JRMC configuration and output options will be addressed below. One feature that fascinated me was JRMC's Zone capabilities. In a matter of seconds Matt and Jim were sending audio around the J river office and controlling everything from a single JRMC installation on conference room music server. Creating additional Zones is a piece of cake. These Zones can consist of UPnP/DLNA players, sound cards, or different channels on a single sound card. More about my foray into Zones and sending different tracks to different DACs via a Lynx AES16 card a bit later.

     

     

     

     

     

     

    <b>Windows 7</b>

     

    When configuring JRMC the first time, outputting bit perfect digital audio should be every audiophile's number one concern. Before JRMC can do its thing Windows must be properly configured. There are numerous ways to configure Windows 7. Here is the way I configure my Windows 7 music servers. I prefer to set a built-in or onboard audio device as the default rather than my Lynx card or USB DAC. This eliminates a few sound degrading possibilities right from the start[1]. Once I've "distracted" Windows by sending the default audio signal to a device I have no interest in using, I configure the pertinent audio device(s). I disable all enhancements via the sound device's Properties page >> Enhancement tab. On the Advanced tab I do things a bit different than most people. I set the Default Format to 24 bit, 48000 Hz (Studio Quality). This setting is only used in Shared Mode as opposed to Exclusive Mode. Shared Mode is not recommended for audiophile sound quality. The reason I set this to 24/48 is so I can easily see if I have misconfigured an audio device or application. If I've misconfigured either of these my DAC will display 48 as the sample rate no matter what sample rate I am actually playing on the music server. It's another easy way to spot misconfiguration and another level of security (state of mind) for bit perfect output. The other Advanced tab configuration options are standard and should be enabled by everyone seeking quality playback. I always make sure the two Exclusive Mode options are checked or ticked for those of you in the U.K. Allowing applications to take exclusive control and giving Exclusive Mode applications priority is a must. The last Windows related settings I check are the volume controls. As long as the device I am using has a hardware volume control I set every level on my computer to maximum, 100%, unity gain, -0 db, full blast, etc... The surfeit of volume controls on a Windows based music server can be annoying and seriously degrade audio performance if not handled correctly.

     

     

     

     

    <a href="http://images.computeraudiophile.com/graphics/2010/0224/03-l.png" class="thickbox" rel="JRMC-W7-S"><img src="http://images.computeraudiophile.com/graphics/2010/0224/03-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="JRMC-W7-S 01"></a>   <a href="http://images.computeraudiophile.com/graphics/2010/0224/04-l.png" class="thickbox" rel="JRMC-W7-S"><img src="http://images.computeraudiophile.com/graphics/2010/0224/04-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="JRMC-W7-S 02"></a>   <a href="http://images.computeraudiophile.com/graphics/2010/0224/05-l.png" class="thickbox" rel="JRMC-W7-S"><img src="http://images.computeraudiophile.com/graphics/2010/0224/05-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="JRMC-W7-S 03"></a>   <a href="http://images.computeraudiophile.com/graphics/2010/0224/06-l.png" class="thickbox" rel="JRMC-W7-S"><img src="http://images.computeraudiophile.com/graphics/2010/0224/06-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="JRMC-W7-S 04"></a>   <a href="http://images.computeraudiophile.com/graphics/2010/0224/07-l.png" class="thickbox" rel="JRMC-W7-S"><img src="http://images.computeraudiophile.com/graphics/2010/0224/07-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="JRMC-W7-S 05"></a>   <a href="http://images.computeraudiophile.com/graphics/2010/0224/08-l.png" class="thickbox" rel="JRMC-W7-S"><img src="http://images.computeraudiophile.com/graphics/2010/0224/08-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="JRMC-W7-S 06"></a>  

     

     

     

     

     

     

     

    <font size="1">[1]The major advantage of this is it eliminates one possible method of sending audio out through all the layers of the Windows operating system inadvertently. If a Lynx card, or any other device, is set as the default Windows audio device it is possible to bounce the audio signal through Windows, inadvertently convert the sample rate, and output a horrifically mangled audio stream without realizing things are misconfigured. The most common way this error occurs is by the user selecting DirectSound or Wave Out as the output mode within an application. These to modes can easily send audio to the default Windows audio device without Exclusive Control.</font>

     

     

     

     

     

    <b>Background Information</b>:

     

    There are two critical pieces users must have in place to achieve the highest sound quality.

    1. Exclusive Mode v. Shared Mode - Windows setting.

    2. WASAPI or ASIO - Playback application setting.

     

     

     

     

    <b>Windows Modes</b>:

     

    The Windows operating system uses what's called Exclusive Mode and Shared Mode when handling digital audio. These two Modes affect how Windows and audio applications communicate with audio devices like USB DACs and sound cards.

     

    <b>Exclusive Mode</b> is somewhat analogous to connecting a DAC directly to an amplifier. Exclusive Mode enables an audio stream to go directly to an audio device bypassing intermediate processing. There is no mixing of audio streams from other applications including Windows sounds. The obsolete KMixer from Windows XP gathers all digital audio streams converting them into one sample rate before outputting the homogenized stream to an audio device. This is similar to how other output methods handle audio with layers upon layers of operating system processing and possible manipulation. Exclusive Mode enables this direct access to the audio device but does not guarantee anything more than than this. It is one critical piece of the bit perfect puzzle. An interesting note about Exclusive Mode - Even though a device may be enabled for Exclusive Mode and an application is accessing the device appropriately some applications relinquish control of the audio device if the application is not the foreground process. According to J River, Media Center 14 only relinquishes control on the Stop command.

     

    <b>Shared Mode</b> can roughly be compared to using a preamplifier between a DAC and amplifier. The preamp is there to handle multiple audio streams (among many other things). When a device operates in Shared Mode audio is sent from the playback application to a global audio engine where any number of effects may be applied before finally reaching the audio device such as a USB DAC or audio card. As explained below output methods such as Wave Out and DirectSound use Shared Mode.

     

     

    <i>Simple Test:</i>

    Users who have a DAC that displays the current sample rate being fed from the music server can run an easy test to determine which Mode is in use. Simply play two tracks with different sample rates. If Exclusive Mode is in use the sample rate on the DAC should change. If Shared Mode is in use the Default Format (sample rate) that is set in the audio device Properties >> Advanced tab will be displayed on the DAC. If the Default Format is set to 24 bit, 48000 Hz (Studio Quality), playback of a single 16/44.1 track will provide a quick answer to the Exclusive or Shared Mode question as well.

     

     

     

     

     

     

     

    <b>Application Audio Output Modes</b>:

     

     

    This is the second critical piece of the bit perfect puzzle. Several playback application configuration options for outputting digital audio are available. The output modes listed below are how a playback application handles digital audio. The combination of hardware and software dictates what modes are available. For example, not all audio devices support standard ASIO output and not all playback applications support WASAPI output.

     

     

     

    <b>ASIO</b> - Audio Stream Input/Output protocol was developed by the German hardware and software company named Steinberg Gmbh (Yamaha subsidiary). ASIO is a common method of sending audio from a playback application directly to an audio device such as a Lynx, RME, or ASUS audio card. ASIO is a protocol for low latency high quality digital audio. Manufacturers use the ASIO protocol to develop drivers enabling applications to output this low latency audio directly to the manufacture's cards. ASIO drivers achieve low latency through bypassing layers of the Windows operating system. (ASIO drivers are one method of bypassing the Windows KMixer on XP. Bypassing KMixer enables a bit perfect audio signal to reach the audio card.)

     

     

     

    <b>ASIO4All</b> - Is a universal ASIO driver for Windows that enables almost any playback application to send digital audio directly to an audio device such as a USB DAC. ASIO4ALL is most common consumer audio systems where professional sound cards such as a Lynx and RME are not in use. These cards come with working ASIO drivers from the manufacturer.

     

     

     

    <b>WASAPI</b> - Windows Audio Session API is similar to ASIO in that it enables audio to be sent directly to a sound device. Some refer to WASAPI as Microsoft's answer to ASIO. WASAPI first appeared in Windows Vista and remains part of Windows 7. WASAPI by itself is only a tool that software companies can use to enhance audio playback applications. Some applications do not use WASAPI. Currently J River Media Center, Foobar2000, and XX High End use WASAPI to send audio directly to the sound device. WASAPI enables these applications to take exclusive control over an audio device like a USB DAC or Lynx audio card as long as Windows is properly configured to allow Exclusive control of the device.

     

     

     

    <b>DirectSound</b> & <b>Wave Out</b> - DirectSound and Wave Out are additional methods of sending digital audio output to a sound card or device such as a USB DAC. Neither of these methods currently bypass Windows Vista / Windows 7 mixers or the multiple layers of the Windows operating system. Severely degraded sound is possible using either DirectSound or Wave Out. That said it is possible to achieve bit perfect audio while using either method but it's not advised. Higher latency and difficulty maintaining bit perfect playback are two major drawbacks to using DirectSound or Wave Out.

     

     

     

     

     

     

     

     

    <b>J River Media Center 14 Specifics</b>

     

     

    Once the necessities above are addressed JRMC v14 is completely capable of audiophile sound quality. The critical configuration of Media Center v14 is done on the Audio pane of the Options window. Previous versions of MC14 call this pane Playback. Since JRMC 14 natively supports WASAPI it may be easiest to configure the pertinent audio output device using this mode. Enter the JRMC 14 Options window via the Tools menu at the top of the application. To use the classic <a href="http://en.wikipedia.org/wiki/MTV_Cribs">MTV Cribs</a> overused cliché, the Options window is "Where all the magic happens." Selecting the Audio or Playback pane from the left side of the Options window exposes the options audiophiles need. Enabling WASAPI is as simple as selecting the chevron to the left of "Output mode:" and clicking Windows Audio Session API (WASAPI). Readers with sounds cards such as the Lynx AES16 and AES16e have the option to use Lynx Studio's ASIO driver instead of WASAPI. The ASIO option will not be available if the audio device does not have its own ASIO drivers, unless, ASIO4ALL is installed. ASIO4ALL is separate software that is discussed later in this article. Selecting the ellipsis button to the left of "Output mode settings..." allows one to specify the audio output device to which WASAPI should direct the audio stream and adjust additional settings including buffers. Selecting the ellipsis button to the left of "DSP & output format..." appears like a wrong move for audiophiles. Fortunately the output format is the only concern on this screen, no DSP required. Some DACs require input of 24 bit digital audio streams. This does not affect bit transparency of the audio. To enable 24 bit output navigate to "Output Format" on the left. Identify the Bitdepth area on the right and select the chevron to the right of "Source bitdepth." The drop down menu will enable selection of 24-bit output and will automatically check the "Output Format" box to enable the option.

     

     

     

     

     

     

    <a href="http://images.computeraudiophile.com/graphics/2010/0224/09-l.png" class="thickbox" rel="JRMC-1"><img src="http://images.computeraudiophile.com/graphics/2010/0224/09-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="JRMC-1 01"></a>   <a href="http://images.computeraudiophile.com/graphics/2010/0224/10-l.png" class="thickbox" rel="JRMC-1"><img src="http://images.computeraudiophile.com/graphics/2010/0224/10-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="JRMC-1 02"></a>   <a href="http://images.computeraudiophile.com/graphics/2010/0224/11-l.png" class="thickbox" rel="JRMC-1"><img src="http://images.computeraudiophile.com/graphics/2010/0224/11-s.png" style="padding: 5pt 10pt 7pt 5pt;" align="left" alt="JRMC-1 03"></a>   <a href="http://images.computeraudiophile.com/graphics/2010/0224/12-l.png" class="thickbox" rel="JRMC-1"><img src="http://images.computeraudiophile.com/graphics/2010/0224/12-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="JRMC-1 04"></a>   <a href="http://images.computeraudiophile.com/graphics/2010/0224/13-l.png" class="thickbox" rel="JRMC-1"><img src="http://images.computeraudiophile.com/graphics/2010/0224/13-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="JRMC-1 05"></a>   <a href="http://images.computeraudiophile.com/graphics/2010/0224/14-l.png" class="thickbox" rel="JRMC-1"><img src="http://images.computeraudiophile.com/graphics/2010/0224/14-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="JRMC-1 06"></a>  

     

     

     

     

     

     

     

     

     

     

     

     

    Other pertinent JRMC options are more user and hardware dependent.

     

    Prebuffering by default is set at 6 seconds. The name is pretty self explanatory. Six seconds of audio are placed in the application's playback buffer before playback starts and throughout the whole track. I've had great luck using Lynx cards with this default setting. One USB DAC I've used required this setting to be at two seconds to achieve stable performance.

     

    Playing files from memory instead of disk is a somewhat new option in JR Media Center. This is different than Prebuffering because because prebuffering places the audio into the application's buffer not just into memory. Playback applications use buffers as part of the playback process. These buffers are held in the computer's memory of course, but in a different way that this option to play the files from memory. Playing files from memory instead of disk is fairly similar to creating a RAM disk and placing audio files on that disk. This memory playback option works by copying complete files to memory before the application starts to process the file as part of its playback operation. Memory playback is differentiated from a "normal" playback mode in that it copies the complete file at once. "Normal" playback mode copies parts of the file into memory as needed by the application. Think of this "normal" playback as a flowing river as opposed to the start/sop waterfall that is memory playback. There is no accepted combination that provides the best sound quality. Depending on one's computer and audio system adjustments to these settings may result in differences from inaudible to playback dropouts to sonic superiority.

     

     

     

    <b>Combinations explained</b>:

     

    Prebuffering Only - Track is placed from the hard drive into JRMC's buffer as part of its playback operation. Configurable in seconds. The buffer exists in memory and can be considered a subset of the total computer memory.

     

    Memory playback Only - Track is completely copied from the hard drive to computer's memory, not an application buffer, before JRMC begins playback operation of the track.

     

    Prebuffering and Memory Playback Combined - Track is first completely copied to computer's memory then the set number of seconds are placed into the applications buffer.

     

     

     

     

    The "Do not play silence (leading or trailing)" option is explained by J River as <i>"If this option is selected, the program skips long portions of silence during playback. This is quite useful for hidden tracks or tracks with a lot of leading or trailing silence. This option may not be a good choice for classical music or other genres that contain long, intentional pauses in the middle of songs."</i> I am not 100% certain but I am pretty confident this option, when enabled, hindered stable playback when using one specific USB DAC I've had in house. Based on the description of this option is really appears benign but my experience has been quite different. It's entirely possible that the DAC in use is more finicky than most at this point in time or a hardware / software combination just isn't clicking. I am not at liberty to discuss the manufacturer or model of the DAC. Readers shouldn't worry about their current DACs as this one is not currently available.

     

     

     

     

     

     

     

    <a href="http://images.computeraudiophile.com/graphics/2010/0224/15-l.png" class="thickbox" rel="JRMC-2"><img src="http://images.computeraudiophile.com/graphics/2010/0224/15-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="JRMC-2 01"></a>   <a href="http://images.computeraudiophile.com/graphics/2010/0224/16-l.png" class="thickbox" rel="JRMC-2"><img src="http://images.computeraudiophile.com/graphics/2010/0224/16-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="JRMC-2 02"></a>   <a href="http://images.computeraudiophile.com/graphics/2010/0224/17-l.png" class="thickbox" rel="JRMC-2"><img src="http://images.computeraudiophile.com/graphics/2010/0224/17-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="JRMC-2 03"></a>  

     

     

     

     

     

     

     

     

     

     

     

     

    <b>ASIO4ALL</b>

     

     

     

    I recommend that readers with hardware that doesn't natively support or feature an ASIO driver download and install ASIO4ALL (http://www.asio4all.com/). ASIO4ALL is selected much the same was as WASAPI output mode is selected. In the same Audio Options window select the chevron to the left of "Output mode:" and click ASIO from the dropdown menu. Within the "Output mode settings..." option >> ASIO Settings window ASIO4ALL v2 should be selected. Users can select "Use large hardware buffers" is needed. I did not have any audio output when this was enabled in combination with a few different USB DACs. The one counter intuitive part of ASIO4ALL configuration is the initial setup. Some users have been able to access ASIO4ALL settings after selecting ASIO4ALL v2 within ASIO settings. I've consistently been able to access the settings by starting playback through JRMC first. This has been necessary for me in order to see the ASIO4ALL configuration window. This is by design and I agree with the reasons for this behavior. ASIO4ALL is not a program it's a driver and does not run on a computer unless specifically called by a playback application. Thus, it's not possible to access the software without playing a track in my case. Once audio playback is started a small green icon with a play symbol should be present in the Windows system tray (near the clock in the lower right corner). Selecting this icon opens the ASIO4ALL settings window. Make sure the proper audio output device is selected. I have not needed to adjust any of the ASIO4ALL specific settings via this software interface. Once the device is selected audio should immediately playback through this device. If not, simply close and reopen JRMC.

     

     

     

     

     

     

     

     

     

    <a href="http://images.computeraudiophile.com/graphics/2010/0224/18-l.png" class="thickbox" rel="A4A"><img src="http://images.computeraudiophile.com/graphics/2010/0224/18-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="A4A 01"></a>   <a href="http://images.computeraudiophile.com/graphics/2010/0224/19-l.png" class="thickbox" rel="A4A"><img src="http://images.computeraudiophile.com/graphics/2010/0224/19-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="A4A 02"></a>  

     

     

     

    <a href="http://images.computeraudiophile.com/graphics/2010/0224/20-l.png" class="thickbox" rel="A4A"><img src="http://images.computeraudiophile.com/graphics/2010/0224/20-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="A4A 03"></a>   <a href="http://images.computeraudiophile.com/graphics/2010/0224/21-l.jpg" class="thickbox" rel="A4A"><img src="http://images.computeraudiophile.com/graphics/2010/0224/21-s.jpg" style="padding: 5pt 10pt 7pt 5pt;" alt="A4A 04"></a>  

     

     

     

     

     

     

     

     

     

     

     

     

    <b>Zones</b>

     

     

     

    JRMC 14 includes really nice zone capability. Sending audio to different zones throughout one's home used be the territory of custom integrators only and was not an inexpensive endeavor. I don't think JRMC's zone capability is exactly equivalent to some of the more traditional zone systems for whole house audio, but it's a very nice option. Since I am interested in sound quality first and foremost I elected to use separate channels of a Lynx AES16 audio card for zoning. I successfully sent two completely different digital audio streams to two different DACs via channels one and two of the Lynx card. Playing the same track in different zones is nothing new and can be done by many different applications. JRMC goes beyond that capability by sending different tracks simultaneously to different zones or the same track is desired. A limitation of most sound cards including the Lynx AES16 is the inability to play multiple sample rates at the same time. This is because the crystal oscillator can't be in two places at once. I don't see this as a big problem for most people. Once I sent 16/44.1 audio out to two zones I felt required to push the limits if possible. I thought higher sample rates may be an issue for JRMC or my low powered music server. Fortunately playback of two simultaneous 24/176.4 audio streams didn't even make the application or the server sweat. Processor utilization rested comfortably at approximately 15% the whole time.

     

    JRMC's zoning capability may seem like a solution in search of a problem for some readers. Personally I don't have the need for multi-zone listening. However, AES/EBU cables can be run substantial lengths without too much signal degradation. It's completely plausible some readers could run AES/EBU cables up or down levels of their home to take advantage of these zones. One zone for a dedicated two channel system and another zone running to a home theater system would be very nice. Even if multiple zones are used at the same time the capability does enable use of a single music server in a single location. This convenience should not be underestimated.

     

     

    Creating & Configuring Zones - Creating zones is very easy. Under the Player menu on the main JRMC screen is Playback Options >> Zone Manager. Once in the Zone Manager the user selects the Add button, names the Zone, then hits the Configure button. From here the rest of the zone configuration is identical to the audio output options previously discussed.

     

    Using zones through the JRMC interface is just as easy as creating the zones. Clicking on a zone in the left navigation tree enables selection of zone specific music. It's exactly the same as navigating JRMC without multiple zones. The only requirement is selecting the correct zone before selecting the music.

     

     

     

     

     

    <a href="http://images.computeraudiophile.com/graphics/2010/0224/22-l.png" class="thickbox" rel="zone"><img src="http://images.computeraudiophile.com/graphics/2010/0224/22-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="zone 01"></a>   <a href="http://images.computeraudiophile.com/graphics/2010/0224/23-l.png" class="thickbox" rel="zone"><img src="http://images.computeraudiophile.com/graphics/2010/0224/23-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="zone 02"></a>  

     

    <a href="http://images.computeraudiophile.com/graphics/2010/0224/24-l.png" class="thickbox" rel="zone"><img src="http://images.computeraudiophile.com/graphics/2010/0224/24-s.png" style="padding: 5pt 10pt 7pt 5pt;" alt="zone 03"></a>  

     

     

     

     

     

     

     

     

     

     

    <b>Final Features</b>

     

     

     

    JRMC 14 also has a few different remote control options. The remote option I am most enthusiastic about is using a UPnP/DLNA mobile application similar to Apple's Remote app. I use PlugPlayer. It's available via the Apple app store for the iPhone/Touch and the more sizable iPad. In no way is this remote option as good as Apple's Remote for iTunes but it has a ton of potential. I found numerous quirks that frustrated me and required too much time on the JR forum to resolve. I do remain most optimistic however. A much more primitive remote interface can be accessed via the Media Server feature. Enabling the JRMC Media Server allows access to control the application with any web browser such as Safari on an iPhone or Google's Chrome via the Android OS or Windows Explorer via any number of Windows mobile devices. This interface gets the job done but it isn't pretty. It seems like a relic JR has left in v14 if for no other reason than, "Because they can." Like I mentioned earlier in this article JRMC is completely controllable via a number of infrared remotes. This will require a display for navigation but it gives users the traditional CD player feel of hard buttons. One remaining viable remote option is via the <a href="http://melloware.com/products/rivermote/">RiverMote</a> application. the app requires software running on the music server and iPhone. RiverMote can control different zones, but a severe limitation is the inability to control music selection other than what's available via playlists. I believe this limitation is the result of a disagreement between J River and MelloWare. If MelloWare had complete access to JR's APIs complete control wouldn't be a problem. On the other hand is MelloWare used UPnP/DLNA protocol complete control wouldn't be a problem. I certainly don't place blame on either party.

     

     

     

     

    <b>Wrap Up</b>

     

    Windows 7 and J River Media Center are a powerful music server combination. In fact both the operating system and playback application are now on the <a href="http://www.computeraudiophile.com/computer-audiophile-suggested-hardware-list">C.A.S.H. List</a> as a recommended parts of a music server. When the utmost care is taken to configure the operating system and playback application the sonic quality can be truly stunning. Windows 7, more so than OS X, has many different configuration options to output audio but not necessarily bit perfect audio. At first Windows 7 can seem a bit overwhelming even for those with extensive Windows experience. There just isn't such a thing as Plug n' Play when it comes to high end audio and the absolute best sound quality. As long as people's expectations are set at a realistic level the original setup of a Windows 7 music server will not be an issue. Problems arise when people expect the world and quickly cry fowl when something doesn't go as expected. Those who stick to it will get beyond the fact they're even using a computer and will be enjoying great sound with an endless selection of music at their finger tips.

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     

     




    User Feedback

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    From my AB listening, the playback with ALAC files (16/44.1) on j River 14 and Foobar 2000 (V1.0) are different.<br />

    J River is by all means a very good player, however, Foobar has a better edge, cleaner sound, with higher definition than j river. I find Foobar very easy to listen to without much tweakery to get the sound right, reasonably bullet proof, J river I had to fiddle a fair deal to get the latency right, and it wasn't consistent. JRiver managed to hang a few times, but to its credit recovered OK. <br />

    At worst the sound dropped out for 0.2s, and varied according to the file played. Possible cause of interaction with the DAC. Juergen's comment is very interesting with J River decoding ALAC, it would justify the audbile difference between the two players. <br />

    I uninstalled J river even though I purchased it (shrug). Am running Win7 Pro 64bit, and set the default player as the built in Realtek card and then selected the DAC Wasapi mode in Foobar. The indexing btw of J River is about 5 times slower than Foobar, so set a time to import all the files, and tell J River to import AAC's :) by default it doesn't.<br />

    With a little effort & digging, Foobar doesn't look like a spreadsheet.

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    The indexing of the tags does't need the time with J.River when importing audio files, compared to Foobar, the “analysing audio” takes this high amount of time. This is doing much more than just analysing the audio level if you want to use the replay gain function. So if you import huge data bases, this can take really very long, that's right.<br />

    <br />

    Foobar and JRiver MC14, both are bit perfect, but they have different ability to play different files formats. For example JR MC14 does play AIFF, absolutely perfect, but Foobar does not. One the other hand, with the ALAC Plug-In Foobar plays ALAC, but JR MC14 does not.<br />

    <br />

    You are right, JR MC14 does not play AAC files natively, but I personally do not care about lossy file formats, even when traveling, I am listening only to lossless files.<br />

    <br />

    I haven't measured the ALAC filter in JR MC14, so at this moment, I am not sure, whether this is Bit True or not. Maybe I will do when I am home again in the next week.<br />

    <br />

    Juergen

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    Were you using WASAPI in MC14? I feel there are some problems with it, and a few threads over there about this, but overall I find Foobar more cumbersome. You have to download plugins to get ASIO and WASAPI? Why be suprised that AAC is not a default file format? They focus on lossless, and mostly Windows platform codecs. DC_Bass filter is available. <br />

    <br />

    Indexing is fastest with J. River, bar none. If you don't use RG, turn off Analyze, or do it later when you are counting sheep.<br />

    <br />

    This is part of the problem with having a low power master PC that is pulling files off a NAS or similar. Where are your files hosted? I'm guessing the network. You probably have download cover art, analyze audio, etc. enabled on import. It helps when dealing with audio to have a something that can crunch numbers; the Master PC hosting the library should have some nuts. Your clients, make those the featherweights. You can tag your files now over LAN/WAN with Library Server, but for intensive file operations, it's nice to deal directly with files with some power when you have to.<br />

    <br />

    I have AB'd MC14, XXhighend, and Foobar. I hear no difference. No dropouts.

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    I feel that remotely controlling music playback software is a sadly neglected area of most software, including JRMC. It seems that software developers are stuck in the mode of trying to reproduce a TV experience (i.e., using a remote control) just because PCs have monitors. But when I listen to music, I don't want to have a PC monitor near me (to say nothing of the impracticality of having cables running across the floor to some place near my chair). And a 10 foot interface is fine for video, but I don't want to have a big flatscreen in front of me when I just want to listen to music.<br />

    <br />

    So what DO I want? Well, a few years ago it would have been difficult to come up with a realistic affordable alternative, but today I have an iPhone that has a nice in-built iPod application. Why should I not be able to access my PC-based audio using the same interface? In fact, using foobar2000 and the httpcontrol component together with the right skin, you can get something very close to that. You can sit in your chair and select your music using just the iPhone (and wi-fi) and what you see on the iPhone looks almost exactly like the iPod app. In fact, I'm amazed that this little feature isn't more widely publicised. (I do find the skin a little clunky, but at least part of that - perhaps most of that - is because I don't understand foobar well enough.)<br />

    <br />

    I wish software developers like JRMC would think more about how users can control the music playback remotely. What works for video does not, IMO, work for music.

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    From a developers point of view it may be "helpful" for you, that we developers face an even bigger problem at creating it, than you the user wanting it (but which is because you want it :-). Remote control <strong>for general purpose</strong> on a Windows PC is a sheer undoable task. Ok, in the end I managed, but the bought remotes are countless and even includes a 1200 euro special piece (also worthless).<br />

    <br />

    That nice little Foobar gadget hopefully brings the future, and at least I will go that route. But for your information (and to emphasize the difficulties again) : even that (iPhone/iThouch) control means is hacked from iTunes. Say, "stolen". So, it is nothing like being officially there for a Windows PC, but it is proprietary iTunes. And no, I didn't mean Foobar stole anything, but similar to cracking DVD-A ripping (which two years ago wasn't possible), this was cracked too (reverse engineered).<br />

    <br />

    So, just 2c for a hopefully perspective !<br />

    Peter

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    Peter - there are actually two different Foobar remotes.<br />

    <br />

    The one using the iPod Touch "Remote" application and a second (older one) that used HTTP which I think was referred to just now. The HTTP remote is not reverse engineered from anything afaik.<br />

    <br />

    Eloise

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    Hi Eloise,<br />

    <br />

    I too have a "HTTP" version (TCP/IP server) but I couldn't get it reliably (or as fast as should) working, and out of all it is not a standard solution. So FYI : many solutions exist, and most rely on the (by now very o(l)d) WinLirc protocol, mostly dedicated to serial ports nobody has anymore. So on that matter, we want USB.<br />

    ... go try it with a fresh start. -> You'll never know what is not working why, because of too many variables. And to keep in mind : I am talking about "programmable" remotes, which allow for e.g. ticking/unticking a random checkbox in, *my* application. So, there is enough around that supports MCE, Winamp and the like, but this is because it was done the other way around : the remote manufacturer just made that working (and compatible with those apps).<br />

    <br />

    Actually it is crazy, and someone should be sued for it.<br />

    Peter

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    Appears Chris touched on all of this (below) above - Chris, have you gotten that 801 Error when trying to browse with PlugPlayer (i.e. just using PP as a remote to control JRMC zones).<br />

    <br />

    JRMC has 3 possible remote solutrions:<br />

    <br />

    XPtunes (free in forum)<br />

    RiverMote (iTunes store)<br />

    PlugPlayer (iTunes store)<br />

    <br />

    PlugP is DLNA-based and JRMC is working to support this; right now I can't get it to browse.<br />

    <br />

    RiverMote has focus issues; meaning it is increcible on th eiPhone but it breaks things like scrolling on the Master machine when you sit back down with your in-air mouse on the couch etc.<br />

    <br />

    XPTunes allows searching, but it is the most fugly imo.<br />

    <br />

    Last night, daughter and wife at in-laws, I convinced my son to come out bback and look at the stars, start a fire, and listen to music. I turned on my aux amp, started MC via the RiverMote icon, and walked outside. Switched to Outdoor Zone on iPhone, and choose the playlist for Desifinado. <br />

    <br />

    When you have a 3 year old, I have to say this tech makes life easier (when it works ; ), as we all know how much attention span 3.5 year olds have. He even got into rating songs with me and pressing the ratings stars in RiverMote, a feature I really like in case random songs pop up that I have never heard.<br />

    <br />

    I'm hoping that PlugPlayer pans out too; RM is a pretty slick app though, but he is stuck with JRMC not helping him out as a 3rd party developer. There is a thread over there, and the reality is confusing. JRMC has not done an Apple based app in-house; they have serious issues with Apple imo from what I have seen, and it's a shame Melloware took the brunt of their frustration as they did nothing to help a fellow developer out in this situation when all he desired to do was improve his application; boosting both companies sales.<br />

    <br />

    So it goes...<br />

    <br />

    In terms of "hard" remotes, the Gyration in conjunction with Intelliremote is a cost effective solution although J. River sells a remote on their site. I have never played around with the remote settings for IR blasting though.<br />

    <br />

    <img>http://img26.imageshack.us/img26/8761/jrremote.jpg</img><br />

    <br />

    hifi<br />

    <br />

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    <i>"Chris, have you gotten that 801 Error when trying to browse with PlugPlayer (i.e. just using PP as a remote to control JRMC zones)."</i><br />

    <br />

    Yes I certainly have received that error. It took me a while to figure it out. the problem was I selected the wrong Media Server in the PlugPlayer setup. If your version of Windows is also running a UPnP server (it likely is) it may appear in the list instead of the JRMC Media Server. Selecting the Windows Media Server will give you the 801 error every time. There should be a media server selectable with the JRMC icon not just one with a Windows icon.<br />

    <br />

    I had to change the port JRMC Media Server was operating on, in order to make this work. Windows and JRMC used the same port by default and Windows won the battle.<br />

    <br />

    Also, make sure you have downloaded the absolute newest version of JRMC from the JRMC forum. It really makes a difference.

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    Chris, <br />

    I swithched from MediMonkey to JRMC. Is there enough sonic difference between Vista and 7 to make that change as well? If so, is 7 Home Premium 32 bit all I would need?<br />

    <br />

    Thanks Russ

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    Hi Russ - That's a real subjective question :~) I suggest staying with Vista for now as long as you already have it. I have Vista and Windows 7 and will never go back to Vista. That's just me.<br />

    <br />

    Any version of Windows 7 will likely suit your needs. If you want remote desktop for control you'll need Professional or Ultimate.

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    Peter, I don't pretend that I have the expertise to understand all of your comments, but I do believe there are some other factors to be considered.<br />

    <br />

    As Eloise said, the foobar httpcontrol app is not a rip-off of iTunes or any Apple software in any way. It's just an http server for foobar that allows you to access foobar commands via http. The beauty of this approach is that you can skin the server page that is served up when you browse to it. That means that you can optimise it for, for example, an iPhone screen. The iPod lookalike part is just the skin.<br />

    <br />

    There's no need for a physical connection like USB or something that relies on Winlirc (which IIRC is an infra-red protocol). It's just a matter of browsing to the foobar web server via Wi-Fi on your iPhone.<br />

    <br />

    You mentioned the need to to tick boxes, etc. I'd suggest that there is an alternative route that I wish developers would consider. For controlling remotely (I prefer not to say "remote control" because that tends to make everyone assume it's a reference to hardware) on a small handheld device with a small inbuilt screen (like an iPhone), the interface SHOULD be completely different. If we simply wanted to control the PC, we could use something like the VNC or Remote Desktop apps that are available for the iPhone, but that is also clunky because of the small screen size that has to map to the PC screen.<br />

    <br />

    Personally, I think a nice JRMC app for the iPad would be the perfect solution. I might even spring for one of those things if there was such an app.<br />

    <br />

    My apologies for going a little OT wrt this review of the JRMC, but I think this aspect (how we control our music playing PCs remotely) is sadly overlooked. I raise this in the hope that reviewers of PC media playing software like Chris will be a little more demanding in this area.

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    Chris, <br />

    <br />

    Where the heck do we change the port? You mean going into Windows and doing this? JRMC doesn't seem to have this option, and their Wiki doesn't mention it.<br />

    <br />

    thanks,<br />

    hifi

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    Okay, so enabling the server did the trick. Didn't have to tweak a port. Choosing Renderer makes the zones show up in PlugPlayer, but it is confusing for a new user that you need to choose Server as well because it seems like it is already running, and I don't want it to server anything; just be controlled by my iPhone. DLNA is incredibly fast with my 122K song library. Color me impressed. Wish I had a way to do ratings though like in RiverMote! <br />

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    While I don't pretend to write as clearly as could be, I think there are some misunderstandings;<br />

    <br />

    First of all, I wasn't referring to any HTTP protocol/interface, but (I'd hope obviously) to the iPhone interface, which is not the HTTP you refer to. It's just another, and that one *is* reverse engineered (hey, by the community -> visit Doom9 and you'll know what I mean).<br />

    Is this important ? I guess not.<br />

    <br />

    <cite>There's no need for a physical connection like USB or something that relies on Winlirc (which IIRC is an infra-red protocol).</cite><br />

    <br />

    Maybe - before we both invest more time in working out what would be best for you the user - it is first time to get into these matters somewhat further. I mean, if you refer to an USB physical connection, you maybe don't get the grasp of what we both are talking about. Hahaha. I mean, how can you ever think I am talking about a wired "remote" connecton, no matter I didn't say what connection it was. So, on the same matter I can now think that your HTTP connection is via an UTP cable or something. Of course not (this will be WiFi generally).<br />

    <br />

    <cite>You mentioned the need to to tick boxes, etc. I'd suggest that</cite><br />

    <br />

    ... if you only were suggesting something !!<br />

    So let me try to explain it again, but via another route :<br />

    <br />

    You startup an application of your likings. Take Word, whatever. Now pick a remote to your likings but start simple, before demanding something 100 steps further away from reality. So, get yourself a remote of which you think it can do the job : or more safe, ask a shop which one to have (not that you will get an answer, but it makes clear the problem better). But you know what ? I *tell* you that an MCE remote can do it (it really can). This saves you a month of digging. But now do it ! change that checkbox you picked.<br />

    <br />

    Keep in mind : I am not talking strange things here. You actually should go out to the mall and ask for a remote that can change that checkbox (any checkbox you like). But you won't get an answer because it does not exist right out of the box. And THIS is both your and my problem. It is your prblem because you can't get a remote for my application, and it is my problem because I have no means to create a remote for my application. THERE IS NO STANDARD FOR IT. It wasn't provided.<br />

    <br />

    This all starts with the communication over IR (or RF if you like) via "a" connection to the PC, and this obviously is USB (maybe now you understand my WinLirc story better, because that *is* a standard (created by the community, but it is for a serial port), but it is NOTHING for you the user. Too tedious and vague to setup, and 20 times worse as activating a server like you see coincidentally in the before posts.<br />

    <br />

    The "standard" iTunes uses contains it all, and since this is open now, it should be THE standard.<br />

    But now I have to get myself an iPhone because it doesn't work with my Pronto.<br />

    <br />

    Again, I hope it is clear ! (but if not, let's put it to rest)<br />

    Peter<br />

    <br />

    PS: In order not to have a disagreement :<br />

    <br />

    <cite>but I think this aspect (how we control our music playing PCs remotely) is sadly overlooked.</cite><br />

    <br />

    you keep on being 100% correct on this one, and I only wanted you to know that the manufacturers you refer to have a problem themselves. Partly this is because of (what you very correctly said) the way of interaction you need, while no large screen is (should be) available opposed to video, BUT in the mean time you'll need some control including pictures (coverart) <- which is not what you said, and which makes things way way more complicated than the normal MCE remote which already doesn't work out of the box.<br />

    Now, the iPhone remote application contains that (before not openly available). My Philips Pronto plus my own TCP/IP server (WiFi !) contains that too. But are you going to buy a EUR 1200 remote ? come on.

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    For interest, a bit more detail on my previous post :<br />

    <br />

    For the indexing, I used the same machine to the same library of songs from the same location. The songs are hosted by another PC on the network, so both applications read the same data including cover art, RG (replay gain?) and analyze audio were switched off. <br />

    I wasn't surprised that AAC searches are not turned on, it's just that by default action of the software, ACC aren't searched unless you tick the box on import. iTunes does have a vast library of music, and when it comes to availability of songs that are difficult to find, I'd rather put up with lossy formats, than miss out on a vital piece of music altogether.<br />

    <br />

    I do agree with you in that there needs to be a failry strong PC to crunch numbers for importing libraries for the first time, however the limit is not the processor, RAM, its the oldest and weakest link, the spinning hard drive. Throughput of data is the real bottleneck, which is largely overcome by SSD, but at considerable cost if you store libraries on SSD. Playing is no problem for a spinning drive, the data stream is fine have no trouble with it, but getting 200GB+ of data on there in the first place over the network is more than overnight.<br />

    <br />

    Also backing up that data presents its own drama. For mass copying, I use Windows Robocopy (or the GUI RichCopy), then regular backups with Norton Ghost or Acronis, considering GFI backup. This should be in another thread though.

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    Windows-based solutions (eg, Windows 7 + JRMC) and Mac OS solutions (eg, iTunes + Amarra/PV)? Given all the reports of how "crazy s***" makes a difference (adding RAM, SSD, certain USB ports, etc), it seems like someone must have made this comparison . . .

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    Told you Chris in many Posts why I feel JRMC is a great player for Audiophiles. Now if they can only release a Kernel streaming plug in since I still use my windows xp laptop with the M2tech H-i-Face. ASIO will not work so I am now using MM with Kernel streaming in. I prefer to use JRMC yet they aren't releasing a proper plugin.

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    Hi Lizard King<br />

    <br />

    ASIO: What is wrong with the M2tech ASIO driver, what isn't working correctely?<br />

    <br />

    KS: You can install ASIO4ALL and have a ASIO to KS wrapper, working for JRMC.<br />

    <br />

    Juergen

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    Juregen:<br />

    <br />

    ASIO4all is just a warpper and does NOT sound as good as the full ASIO. For some reason, the Hi-Face software will not work with ASIO on either JRMC or MM. However, Kernel Streaming plugin works for MM yet there is no KS plugin for JRMC. I find that the KS plugin with MM gives me the best sounbd period yet I miss some of JRMC functionality.

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    You are right, ASIO4ALL does sound good, but not perfect.<br />

    <br />

    But why is the ASIO not working for you, any sound or no music at all?<br />

    <br />

    So in JRMC in Autput Mode: ASIO<br />

    In Output Settings chose the right device<br />

    And disable "use large hardware buffer" (this is my recommentation).<br />

    <br />

    If still now sound, try different channel offsets (I never tried this, but maybe for your soundcard).<br />

    <br />

    Good Luck<br />

    Juergen<br />

    <br />

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    I believe Lizard King has been one of the greatest advocate for JRMC on this website and thus his bias for JRMC is natural and obvious. But I find it curious that JRMC is now on the CASH List and Media Monkey is off, especially given the opinion of some that with Kernel Streaming, Media Monkey has never sounded better, and it seems that sonically Lizard King prefers Media Monkey to JRMC.

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    Audiozorro<br />

    <br />

    Ok, under Windows XP, without a working ASIO driver from the hardware manufacturer, JRMC can't show his performance, but beginning with Windows Vista and finaly with Windows 7 (both the exclusive WASAPI mode) JRMC 14, with the play from RAM feature enabled, gives sonically an immense boost, you have to try it.<br />

    <br />

    On XP, Kernel Streaming does sound better, true, but sometimes a little bit too picky, when other programs need some CPU load. ASIO is not exactely as good, but more tolerant, when other programs need some CPU load. But both modes are much better than Wave Out or Direct Sound Out.<br />

    <br />

    But you should realy try JRMC 14, with playing RAM enabled, under Windows 7 via exclusive WASAPI!<br />

    <br />

    Juergen

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    I guess I will have to try JRMC someday. The reason that I haven't to date is that I have a bias against mixing audio and video and JRMC seems to be the ultimate media software for audio, video, photos, etc. I may be wrong but I just think that a developer that concentrates on only audio has an advantage than one trying to do it all. Perhaps it's time for me to put my prejudice aside, try it and listen. Even if I feel JRMC isn't better than my preferred audio player, I do have a place for it in my separate home theater setup that may bring the connected computers to new levels. <br />

    <br />

    I only have XP and Vista right now, so which version of Win 7 do you feel is best for JRMC?

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    Hi Audiozorro<br />

    <br />

    Also for me, I am only interested in the audio features of JRMC, so I deselct all video, pictures, etc. features and select only the 8 main audio format, that I have on my computer.<br />

    <br />

    On XP, JRMC was good and if you had some ASIO drivers for your hardware, I was really good and I used it via ASIO with great success, together with some other programs (MM, Foobar, WinAmp).<br />

    <br />

    But with Vista and with Windows 7, the exclusive WASAPI made a big difference, so from that on, I am using only JRMC14 (and Foobar for reference comparison).<br />

    <br />

    For testing I have also MM, iTunes, Winamp, etc. on my Vista and on my Windows 7 partition, but without exclusive WASAPI, they have no chance.<br />

    <br />

    Exclusive WASAPI has the transparency of the Kernel Steamin of the XP ages, but togehter with the elasticity of the ASIO dirvers.<br />

    <br />

    I have only Windows 7 Premium Home 32, so I can't say anything on the other versions.<br />

    <br />

    Juergen<br />

    <br />

    PS: I do not want to say anything bad concerning other programs, exept my post about measurements, but under Windows 7, JRMC14 flys.

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