[Alsa-user] Sound Quality: difference in digital outputs? optical vs coax? discrete vs integrated?

2008-04-24 Thread Matt Garman
In short, I'm looking for the best stereo sound I can get from my Linux system---the main use will be listening to my CD collection (ripped as FLAC). A specific question: if using digital output, is there a difference (sound quality-wise) between optical/toslink and coaxial? Say my soundcard

[Alsa-user] MAudio 2496 left-channel crackling (was: Sound Quality: difference in digital outputs? optical vs coax? discrete vs integrated?)

2008-04-25 Thread Matt Garman
On Thu, Apr 24, 2008 at 09:43:33PM -0700, Mark Knecht wrote: One, the crackling of my MAudio 2496. I'm just assuming that the inside of my case has a lot of RF interference, so digital coming out of the PC seems like a good way to get away from that. Crackling is not caused by RF. That

Re: [Alsa-user] Sound Quality: difference in digital outputs? optical vs coax? discrete vs integrated?

2008-04-25 Thread Matt Garman
On Thu, Apr 24, 2008 at 06:29:30PM -0700, Mark Knecht wrote: In my experience there is no comparison between my Benchmark DAC1 and the D/A in our home theater. In one case the DAC1 is a $1K converter driven by a spdif cable. In the other case it's a $300 Sony receiver with probably a $20 D/A.

Re: [Alsa-user] MAudio 2496 left-channel crackling

2008-04-25 Thread Matt Garman
On Fri, Apr 25, 2008 at 04:19:43PM +0200, Dominique Dumont wrote: Matt Garman [EMAIL PROTECTED] writes: I forgot to mention, and don't know that this makes any difference, but the crackling problems seemed to have developed within the last couple weeks or so. For the first month to six

Re: [Alsa-user] MAudio 2496 left-channel crackling

2008-04-25 Thread Matt Garman
On Fri, Apr 25, 2008 at 06:00:01PM +0200, Dominique Dumont wrote: ok. It you have lucky time when there's no crackling, then it is probably a bad solder joint on your card. Check the biggest components, they tend to be badly soldered. (I have repaired the display on my Yamaha DSP-A1 just by

Re: [Alsa-user] Spdif clock switching?

2008-05-02 Thread Matt Garman
On Fri, May 02, 2008 at 11:20:28AM +0200, Bart de Boer wrote: I got it to work! :D I was telling MythTV to send everything to my digital output directly. This was wrong. I needed to send everything to my analog output and let the chip do the work. I'm now playing music at 44.1 kHz and movies

[Alsa-user] what provides libasound_module_pcm_plughw.so

2009-04-10 Thread Matt Garman
Hello, I have an MAudio Audiophile 2496 PCI soundcard. My goal is have ALSA do as little as possible, and just pass the audio to the hardware. $ aplay -l List of PLAYBACK Hardware Devices card 0: M2496 [M Audio Audiophile 24/96], device 0: ICE1712 multi [ICE1712 multi] Subdevices:

Re: [Alsa-user] what provides libasound_module_pcm_plughw.so

2009-04-10 Thread Matt Garman
On Fri, Apr 10, 2009 at 08:44:37PM -0400, Lee Revell wrote: On Fri, Apr 10, 2009 at 2:13 PM, Matt Garman matthew.gar...@gmail.com wrote: $ aplay 03_harvest.wav ALSA lib pcm.c:2156:(snd_pcm_open_conf) Cannot open shared library /usr/lib/alsa-lib/libasound_module_pcm_plughw.so aplay: main

Re: [Alsa-user] what provides libasound_module_pcm_plughw.so

2009-04-10 Thread Matt Garman
On Fri, Apr 10, 2009 at 09:16:08PM -0400, Lee Revell wrote: OK. I run the exact same distro here. Normally plughw would be built into ALSA. Not sure why it looks for that module. Try removing /etc/asound.conf and creating this .asoundrc in your home directory: pcm.!default { type

Re: [Alsa-user] what provides libasound_module_pcm_plughw.so

2009-04-10 Thread Matt Garman
On Fri, Apr 10, 2009 at 09:32:13PM -0400, Lee Revell wrote: Hmm, this all should really have worked OOTB. Any way you can revert to the stock Ubuntu 8.10 alsa, disable pulseaudio, and retest? I'm actually in that state now. My initial post was a bit misleading: I downloaded and built the

[Alsa-user] bit perfect audio; was: what provides libasound_module_pcm_plughw.so

2009-04-15 Thread Matt Garman
On Tue, Apr 14, 2009 at 10:39:55AM +1200, Eliot Blennerhassett wrote: without a default alsa.conf, plughw doesn't exist. It is composed of the plug on top of hw. On my system it is defined in /usr/share/alsa/alsa.conf you might try pcm.!default { type plug slave.pcm {

Re: [Alsa-user] bit perfect audio; was: what provides libasound_module_pcm_plughw.so

2009-04-16 Thread Matt Garman
On Wed, Apr 15, 2009 at 08:32:11PM +0300, Sergei Steshenko wrote: If you do not change sample rate, but just increase number of bits, e.g. 16 - 24, you lose nothing. Makes sense. But is plughw smart enough to only resample when necessary? I guess that's just something I need to consider if I

[Alsa-user] query alsa for supported sample rates and formats?

2009-04-16 Thread Matt Garman
Is there a way to query alsa to see what sample rates and formats the sound hardware natively supports? Thanks, Matt -- Stay on top of everything new and different, both inside and around Java (TM) technology -

Re: [Alsa-user] query alsa for supported sample rates and formats?

2009-04-16 Thread Matt Garman
On Thu, Apr 16, 2009 at 07:13:33PM +0300, Sergei Steshenko wrote: On Thu, 16 Apr 2009 10:49:28 -0500 Matt Garman matthew.gar...@gmail.com wrote: Is there a way to query alsa to see what sample rates and formats the sound hardware natively supports? Something like this: cat /proc

Re: [Alsa-user] query alsa for supported sample rates and formats?

2009-04-17 Thread Matt Garman
On Fri, Apr 17, 2009 at 10:14:16AM +0200, Clemens Ladisch wrote: Matt Garman wrote: Is there a way to query alsa to see what sample rates and formats the sound hardware natively supports? Try the attached program. Works perfectly. That's exactly what I wanted. Thank you! Matt

Re: [Alsa-user] ICE1712 (Delta 1010) sample rate issue

2009-05-11 Thread Matt Garman
On Fri, May 08, 2009 at 02:12:55PM +, Antony Gelberg wrote: I've re-installed a Delta 1010 (ice1712) in this machine, and got it working with jack, which is fine for DAW stuff, but the more simple task of getting music played through it via alsa eludes me. I have no .asoundrc at present,

Re: [Alsa-user] query alsa for supported sample rates and formats?

2009-05-11 Thread Matt Garman
On Fri, Apr 17, 2009 at 10:14:16AM +0200, Clemens Ladisch wrote: Matt Garman wrote: Is there a way to query alsa to see what sample rates and formats the sound hardware natively supports? Try the attached program. I get the following output when I run this for my M-Audio Audiophile 24/96

[Alsa-user] ALSA-only apps sharing hardware with PulseAudio

2020-10-28 Thread Matt Garman
My use-case is as follows: I have a headless PC (a Raspberry Pi) that I want to use as a generic sound server. I want to run three audio applications on this; two of those apps will talk to ALSA directly, and one needs to use Pulseaudio. I have only one actual hardware audio interface, a USB