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

2009-04-16 Thread gary
I have the Slim Devices Squeezebox, which they now call the classic. I'd never go back to a soundcard for playing music on my stereo. I do run their software under linux. The software is open source. It supports FLAC. You can stream on your lan to other devices that don't do FLAC. That is, you

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

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

2009-04-16 Thread Nick Lidakis
Matt Garman wrote: ...and low power. Hard to not want to buy one :) What enclosure is it in? I assume since it doesn't have a native sound device, you're using the usb-sound alsa module? I can't find it now, so maybe I'm crazy, but I thought I remember reading a disclaimer not too long

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

2009-04-16 Thread gary
SPDIF and USB have the same issue regarding isolation from PC generated noise in that they connect the ground of the data converter and PC. Toslink is the only way to get true isolation. http://www.wavelengthaudio.com/usbdac.html The wavelength usb claims regarding jitter are simply not

[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

2009-04-15 Thread Sergei Steshenko
On Wed, 15 Apr 2009 09:02:37 -0500 Matt Garman matthew.gar...@gmail.com wrote: 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