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jwagner

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  1. MPD cpu utilization seems to hang high when I do a Update Database from the client. Otherwise it seems to be fine (a couple percent) and a mpd restart seems to clear it up when it hangs high. The device seems OK since it's taking bits from mpd and sending them to the hiface. I did dig into the /proc directory to verify the bitrate and it varies with the file. No issues there. Overall, this thing works well enough that I'm just going to learn the software as I listen to music, trying to figure out the minor bugs as I go. There are no show-stoppers. (yet) Jim
  2. Thanks for the pointer on DKMS. I probably would have just scripted the insmod as part of startup, but DKMS seems a little cleaner. It takes me a while to get a handle on sound quality but so far I'm really impressed. No issues like stutter, pauses, etc.. Stuff that I'm familiar with sounds the same, and the Tea for the Tillerman I just picked up from HDTracks is really good. I'm pretty sure it's running without audio processing - the volume control is grayed-out, which is good. The one issue I'm having is with mpd CPU utilisation running high. Seems to sit at about 50% and at one point seemed hung at about 100%. Others have seen that too. I need to stop listening long enough to sort out the issues. Next comes the android client...
  3. Thanks guys for the pointers. I have my laptop sending tunes to my DAC via the HiFace and it sounds good enough that I'd be really surprised if it wasn't bitperfect. Here's what I did: - Started with a recent load of Ubuntu 12.04 with the "extras" box checked. Added the old gnome interface, VLC, and some other software that I hope wouldn't affect getting this running. - Downloaded and compiled the kernel module from https://github.com/panicking/snd-usb-asyncaudio. Building it was as simple as typing "make" in a terminal window in the command line, leaving me with a snd-usb-asyncaudio.ko kernel module. Did a insmod ./snd-usb-asyncaudio.ko and a lsmod to make sure it was there. Need to hit google to figure out how to get it to load on boot. - verify device is there. HiFace needs to be plugged in. root@toshiba:/usr/local/bin/snd-usb-asyncaudio-master# aplay -l **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA Intel], device 0: ALC272 Analog [ALC272 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: hiFace [hiFace], device 0: hiFace [AsyncAudio USB] Subdevices: 1/1 Subdevice #0: subdevice #0 - Installed MPD music server and Gnome Music Player Client from the Ubuntu software manager. Here's the bits I changed in the mpd.conf file: audio_output { type "alsa" name "hiFace" device "hw:hiFace" # changed for hiface # device "hw:0,0" # optional # format "44100:16:2" # changed for hiface # mixer_device "default" # hiface # mixer_control "PCM" # hiface # mixer_index "0" # hiface } # mixer_type "disabled" # - walked through the gmpc wizard and it was mostly the defaults. - restarted the mpd daemon in /etc/init.d with "mpd restart" so it would re-read it's config file - started up gmpc from the menu and it connected with mpd. How about that... - plugged the HiFace into the DAC, selected a 96/24 tune, hit play and damned if it didn't work, which is a really brilliant piece of luck given my knowlege of the linux audio system. That's the story, hope it's helpful to anyone else who wants to give linux a shot with thier HiFace. Thanks for the help, you guys sent me in the right direction. Jim
  4. First post - The news on the HiTech driver might actually move me more seriously into computer audio so I figured this would be a good community to join. I've got the old Hiface which I was using on Windows with Foobar2000, but as pretty much everything in my house is Linux, I figured it would be a good time to make the move off windows since I had to reformat/reload. So I installed Ubuntu 12.04, downloaded the asynch driver, compiled it, installed it, and now I'm staring at the computer wondering what's next. I'm not sure where to start looking for bitperfect players. If someone would be kind enough to offer suggestions or point me to information on Linux music players and also info on how to connect them to the async driver it would be hugely appreciated. Is there a useful FAQ somewhere? Driver docs? thanks, Jim
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