Re: [Alsa-user] best card for bitperfect SPDIF I/O with external clock sync ?

2007-11-22 Thread Clemens Ladisch
Paolo Saggese wrote: Of course I plan to use the PC only to provide a bitperfect (exact copy of the original media, normally CD) digital stream to an external DAC. As you probably know better than me, the one major known problem when you strive for the highest possible quality in digital

Re: [Alsa-user] best card for bitperfect SPDIF I/O with external clock sync ?

2007-11-22 Thread Rene Herman
On 21-11-07 20:33, Paolo Saggese wrote: Thus, I would need a sound card which must be: * cabable of bitperfect (pass through) operation at CD standard 16bit/44.1KHz (as well as, possibly, also at higher resolutions and sample rates such as 16/48, 24/48, 24/96 and 24/192). 16/44.1 is basic

Re: [Alsa-user] RME HDSP 9652 no input or output PCMs displayed

2007-11-22 Thread Christian Schumann
On Wed, Nov 21, 2007 at 05:49:43PM +, Chris Birkinshaw wrote: So I can't use alsactl and amixer to restore levels from the command line? amixer does not show any level controls either. To my knowledge you can not. Probably there's a command line option in hdspmixer for that, since you

Re: [Alsa-user] best card for bitperfect SPDIF I/O with external clock sync ?

2007-11-22 Thread Clemens Ladisch
Rene Herman wrote: On 22-11-07 11:10, Clemens Ladisch wrote: An SPDIF input _always_ derives its clock from its signal. Besides, the clock for the actual DAC has to be a multiple of the bit clock anyway, so there must be a PLL to derive the DAC's clock from the input signual, i.e., the

Re: [Alsa-user] best card for bitperfect SPDIF I/O with external clock sync ?

2007-11-22 Thread Clemens Ladisch
Rene Herman wrote: On 21-11-07 20:33, Paolo Saggese wrote: Thus, I would need a sound card which must be: * cabable of bitperfect (pass through) operation at CD standard 16bit/44.1KHz (as well as, possibly, also at higher resolutions and sample rates such as 16/48, 24/48, 24/96 and

Re: [Alsa-user] best card for bitperfect SPDIF I/O with external clock sync ?

2007-11-22 Thread Rene Herman
On 22-11-07 15:25, Clemens Ladisch wrote: Rene Herman wrote: On 21-11-07 20:33, Paolo Saggese wrote: Thus, I would need a sound card which must be: * cabable of bitperfect (pass through) operation at CD standard 16bit/44.1KHz (as well as, possibly, also at higher resolutions and sample

Re: [Alsa-user] usb audio - help with asoundrc

2007-11-22 Thread Yan Seiner
william estrada wrote: Yan, While I am not an expert, I do have a little experience with one USB sound device (SB). First, asoundconf does not support USB devices. Second, the USB devices are assigned their ID in the order they are seen. The first one plugged in will be the first

Re: [Alsa-user] best card for bitperfect SPDIF I/O with external clock sync ?

2007-11-22 Thread Paolo Saggese
Hi everybody, first of all, I'd like to thank you all so much for the prompt and many replies I've got... Wow, they came in faster then I was able to read! :-) (there's still someone claiming that Linux has no support?! :-) On Wednesday 21 November 2007 22:19, Sergei Steshenko wrote:

Re: [Alsa-user] best card for bitperfect SPDIF I/O with external clock sync ?

2007-11-22 Thread Rene Herman
On 22-11-07 20:49, Sergei Steshenko wrote: Just a random thought on jitter - if you like music recorded originally before the digital era - don't bother. I.e. analog tape recorder wow and flutter ( http://en.wikipedia.org/wiki/Wow_and_flutter ) is much higher than digital jitter.

Re: [Alsa-user] best card for bitperfect SPDIF I/O with external clock sync ?

2007-11-22 Thread Sergei Steshenko
Just a random thought on jitter - if you like music recorded originally before the digital era - don't bother. I.e. analog tape recorder wow and flutter ( http://en.wikipedia.org/wiki/Wow_and_flutter ) is much higher than digital jitter. And that wow and flutter is already in the now digital

Re: [Alsa-user] best card for bitperfect SPDIF I/O with external clock sync ?

2007-11-22 Thread Paolo Saggese
On Thursday 22 November 2007 11:39, Rene Herman wrote: I suppose your external DAC has no actual WordClock (BNC connection) output? indeed, it does not. As it does not have an SPDIF output, either... but I'm a DIY guy (with an EE degree...) and can add whatever output I need or even build a

Re: [Alsa-user] best card for bitperfect SPDIF I/O with external clock sync ?

2007-11-22 Thread Rene Herman
On 22-11-07 20:38, Paolo Saggese wrote: On Thursday 22 November 2007 11:39, Rene Herman wrote: I suppose your external DAC has no actual WordClock (BNC connection) output? indeed, it does not. As it does not have an SPDIF output, either... but I'm a DIY guy (with an EE degree...) and

Re: [Alsa-user] best card for bitperfect SPDIF I/O with external clock sync ?

2007-11-22 Thread Vladimir Mosgalin
Hi Sergei Steshenko! On 2007.11.21 at 23:24:35 +0200, Sergei Steshenko wrote next: Regarding soundcard and syncrhonization - M-Audio Revolution 7.1, and quite possibly M-Audio Revolution allow you to use external clock source. I meant M-Audio Revolution 7.1, and quite possibly

Re: [Alsa-user] best card for bitperfect SPDIF I/O with external clock sync ?

2007-11-22 Thread Rene Herman
On 22-11-07 19:44, Paolo Saggese wrote: [OT on] In fact, unfortunately cdparanoia is not (or perhaps no longer) good enough to do perfect DAE. Over the course of ripping 735 CDs now to my harddrive with cdparanoia, I have found that all's well as long as cdparanoia leaves nothing but spaces

Re: [Alsa-user] best card for bitperfect SPDIF I/O with external clock sync ?

2007-11-22 Thread Paolo Saggese
On Wednesday 21 November 2007 23:49, Bill Unruh wrote: The clock jitter tends to be in the ppm range. This means that the frequency jitter is very low (if I believe the ppm then at the level of -120dB) which is completely inaudible. My cheap Transit card reliably gives me noise

Re: [Alsa-user] best card for bitperfect SPDIF I/O with external clock sync ?

2007-11-22 Thread Sergei Steshenko
On Thu, 22 Nov 2007 22:00:29 +0100 Paolo Saggese [EMAIL PROTECTED] wrote: [snip] If the digital audio folks have had a lesser simplistic approach in the first place, we would not have had to wait some 20 years before gettin' a barely acceptabe sound out of a CD... [snip] In a sense, one

Re: [Alsa-user] best card for bitperfect SPDIF I/O with external clock sync ?

2007-11-22 Thread Rene Herman
On 22-11-07 22:00, Paolo Saggese wrote: (what's worse is that, nevertheless, even now a good analogue system can still sound MUCH better than any CD: it actually takes a good SACD or DVD-A system to come close to the good old LP when it comes to the real perceived audio quality!) If we're

[Alsa-user] determining and setting sample rate for HDA-Intel - HDA NVidia (and maybe others)

2007-11-22 Thread Sergei Steshenko
Hello All, I'm wondering what the official way is to determine and set sample rate for HDA-Intel - HDA NVidia sound card (it's on my MB); the core/chip is: Realtek ALC883. According to Realtek documentation the chip supports various sample rates:

[Alsa-user] snd-hda-intel : Unknown model for ALC882

2007-11-22 Thread Bonnel Christophe
Hi all, I have an Asus A7T laptop which had a problem. Asus switched my motherboard to correct it but now i have no sound. I searched on the web and understood that the codec should be known by kernel in order to have sound. Here is some output : $lspci -v 00:10.1 Audio device: nVidia

Re: [Alsa-user] usb audio - help with asoundrc

2007-11-22 Thread Mark Constable
On 2007-11-23 01:14 pm, Yan Seiner wrote: How do I assign a device to a specific user/head? I have a multi-head setup in X; I have 3 sound cards, and I want to always have head 1 be assigned USB card #1, regardless of who is logged in to head 1. I'm not quite sure what to suggest to solve