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danvolker

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  1. This is a great piece of knowledge to be able to tuck away....and thanks for this!!! And I'd be in agreement that while driving on the Interstate at 80 mph, Classical Music may well be compromised in the car, for an audiophile--given the ideal car stereo and 24 bit sound.....Then again, many of us get stuck in city driving sometimes--sometimes for quite a while of stop-and-go....where the external sounds like Road Noise may not be so intrusive....... For Jazz, or for detailed music like Lyle Lovett's, and for Piano music.....I think harmonics will be heard from the 24 bit source that make large differences in how you feel about the sound.....This is certainly true in my living room with my Magnepans... The transients in Piano, are so accurate, that if played at life accurate volume, a person wandering around in my house would be CERTAIN they were hearing a real piano playing in the living room.... A CD does not achieve this with nearly the same convincing drive as my 24 bit/96 Hz wave files ( playing from lynx Sound card into Berkely DAC, then out though Jeff Rowland mono blocks into my 3.6 Magnepans..... It is not a high volume issue--I really think it is more the transients that are missed by the low sampling rate of a CD.....and once present in 24 bit recordings, easily heard with a good stereo.... I expect this is going to be a strong audible difference, for this type of source content, in good car stereos---and certainly the music will sound better at lower city driving speeds than interstate speeds ( with less road noise)--and some music will sound much better than others in the car. The most exciting development, in my looking around for a more optimal way to play 24 bit music in a car....is the brand new AK 10..here are some links to it....what do you guys think? To me, this is perfect for someone with a good Android or I-Phone, that finds and gets music on the Internet....24 bit music :-)....and ends up listening to music in their car for more than an hour a day....With this, the same library of music I have playing on my Magnepans, can now be playing in my Gallaxy Note 3 --through an AK 10, into the line in on my Raptor :-) 1. Astell&Kern The AK 10 a tiny DAC for your Smart Phone… 2. Astell & Kern AK10 | HeadRoom Audio An online store to buy it from….. 3. Astell&Kern User Community » Astell&Kern AK10 A story on it- just as it was coming out….
  2. I just made something of a discovery after some more googling.... I plugged my Galaxy Note 3 into the USB port in my Ford Raptor ( high end truck by Ford with good stock sound system)...The Raptor is equipped with SYNCH ( a Microsoft interface) and I enabled USB mode for the Note 3.....the cable used is the power and synching cable that goes out of the phone and into your PC...this is Digital to digital.....Now in the Raptor, the digital signal goes into the car stereo, and the DAC in the car stereo handles the conversion for the amplifier.... I am pretty sure all the files on my phone are either flac, wave, or wma......it seemed to be playing all the music I have --it gets indexed in the car stereo--you see this on the dash display...and then you control this with the car stereo rather than the phone...or with voice commands through SYNCH. If the stock car receiver/head unit has a good DAC ( relative to most smart phones), and can play waves, wma lossless and flacs, this is a good use of the music now downloaded on the phone.....I am going to have to make some new files that ONLY exist as 24 bit on the phone, to see if this will play on the Raptor receiver/car stereo.....I can't be sure right now....If most of my listening is in my car, just the fact that my Note 3 can play 24 bit then looses relevance a bit....if the best way to play the content seems to be via the car stereo with the phone only acting as a storage medium. If this is the case--that no 24 bit car head unit playback can happen....then I still think people should download 24 bit flacs with phone, synch later to PC or mac, and then ultimately convert the phone library of music for playback into the highest res files the car system can playback. You'll always have the 24 bit flacs on your desktop, for the future. And now I have to research more regarding the digital out line of the smart phone, going into a DAC, then the analog out of the DAC going to the Line IN on the car....this would be true 24 bit sound..for the price of the DAC :-)
  3. I have often read this noise floor issue as being a problem for audiophile car stereo....However :-) .... Some of us ENJOY playing the music at the actual volume of the concert. If you do this, whether Jazz, Rock, or Classical, there is a very good chance the volume will be well above the level where you really will hear much of the car sound in any negative way....the harmonics, the transients...the important aspects of good 24 bit 96 hz sound, can get through to your ears pretty well with the right car stereo playing at concert volumes.... :-) What do you think?
  4. A jazz composer and several musicians in the NY City area....They came to me to develop and market this....and since I have been in to high end audiophile quality music since college....I decided to take full advantage of this and to really enjoy what we "can" do :-)I will give you a sample music video( with good quality sound encoded)....[video=youtube_share;PIaXVw61qJI] Try to watch at 1080p if possible.
  5. If you are driving a high end Cadillac or BMW or Audi, you won't have the Noise floor problem I will have with my Ford Raptor, even though we can both have great sound systems.... So I do get your point. On the other hand, there is a fatigue factor in listening for an hour or more to nasty MP3 music with all it's inherent distortion ( chewing your ears), versus CD Quality music for the same duration. While this is much bigger than the difference between CD and 24 bit masters, this harmonic difference can still be felt over time....I still like having all the purchases and music in your library as future compatible with higher quality sound systems -including home stereos.....This, versus a typical I-tunes library from the last 5 years, where the sound quality is so pathetic on a home system using Magnepans or equivalent, that it would be almost unusable. I have seen sound insulation material that can be installed in any car, and this could supposedly make even my Raptor achieve a relatively low noise floor!
  6. OK, this Aux input is one of the concerns AND possible solutions I am wondering about....What have you guys found out about the quality that is possible through the analog jack? Has anyone done listening comparisons with a phone out into a high end home stereo via the DAC in-between...to get the listening quality part answered? And then there would be the question of what data testing would show for distortion levels, noise, etc.... I would like to think that this will be BETTER sound than is possible with Bluetooth and it's mandatory conversion to 16/44 compressed--in order to get the music from the phone to the car amp. If the Aux In really is the solution, I will have to go to Best Buy and pick up a Stereo cable....One question here is whether gold ends and all the nonsense I went through with my home stereo is a big deal with this cable also..it may be.... And then the next would be my running around looking for the DAC I should get to put in the middle--between my Gallaxy Note and my car stereo.....If I am going to be writing all this up for the website, I probably ought to be using it and "knowing" the difference...I saw the AK120 for $1299.00 at B&H Photo.... so I am assuming it is not likely to run much under $1000 ??? Thanks for the feedback!
  7. I am in project right now, where I am developing a high end music site, which will have some high end automobile sponsors...it already does. We have some excellent artists, producing 24bit/96 Hz audio for download as 24 bit masters in Flac format, or as 16 bit 44's in ALAC, Flac, and WMA lossless ( and anything else there is any demand for)...Grudgingly, we will offer MP3's, but will make a point of describing this as vastly inferior for anyone with a good sound system. Where I am hoping some members here can help---is in finding a way to get 24 bit music out of the better Android phones or I-phones...and into being amplified by the high end car stereo in a Corvette, or Cadillac, or Jaguar, BMW, or any other high end car with a good sound system( something that is being wasted by playing mp3's on it). Additionally, if you want to BUILD a big library of great music, why not have studio master type quality in every download, not just for the car, but for the high end home stereo ? Buying nasty I-tunes music is just a waste for the big home stereo library.....So the headphone users run a usb external DAC off their phones...this would work fine with my Galaxy Note 3, and many other phones....As the phone is the easiest way to SAMPLE, and to find and download new music, it is also the place to begin with 24 bit Flacs, which will be played both in car and at home or office. So far, I am at a loss to find a good way to get a 24 bit digital signal into a car stereo...the amps and speakers are of plenty of quality to show the difference, but the head units are pitiful in the source content area....Bluetooth limits you to around 700kps of bandwidth--not even enough to stream a CD--it has to down-sample to a compressed format , prior to streaming ( as far as I can tell, this is true 100% of the time). So while Bluetooth is nice and easy, it defeats the purpose of 24 bit music quality....How can we plug a DAC into the equation? Thanks, Dan
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