Capture 3x (6 ch) I2S or S/PDIF

macboy · 21st April 2010, 02:07 PM

I want to capture three (commonly clocked) I²S signals, that's 6 channels, onto a PC. If necessary, I can convert all into S/PDIF and capture those instead; it is quite easy to rig up a few S/PDIF transmitters. But I haven't been able to find anything that will capture the multi-channel digitial audio as either I²S or S/PDIF. Any ideas?

wwenze · 21st April 2010, 02:33 PM

This should do it:

AES16

macboy · 21st April 2010, 02:58 PM

Quote:

Originally Posted by wwenze

This should do it:

AES16

Oh good, and it's only a thousand bucks. Thanks, this would probably work, but it is not a realistic solution for me.

Maybe someone else has other suggestions?

dangus · 21st April 2010, 08:19 PM

I think some Creative cards have I2S inputs. Whether you can capture from them simultaneously, I don't know. But, multiple cards may be an option. I'm pretty sure my Turtle Beach Quadzilla used I2S for the optional S/PDIF input.

SoNic_real_one · 21st April 2010, 08:54 PM

You are confusing I2S with SPDIF.

gooki · 21st April 2010, 09:21 PM

I'm in the same boat, but looking to capture 8 channels of I2S.

The most cost effective method I've come up with is multiple 2 channel cards. CMedia have a soundcard chip that should be able to do it, but there appears to be no commercial implementation.

macboy · 22nd April 2010, 01:15 PM

gooki,
Which CMedia chip is that?

juliamat · 23rd April 2010, 07:00 AM

There are no differences between the signals transmitted over optical or coaxial S/PDIF connectors—both carry exactly the same information. Selection of one over the other rests mainly on the availability of appropriate connectors on the chosen equipment and the preference and convenience of the user

rfbrw · 24th April 2010, 05:25 PM

Quote:

Originally Posted by macboy

I want to capture three (commonly clocked) I²S signals, that's 6 channels, onto a PC. If necessary, I can convert all into S/PDIF and capture those instead; it is quite easy to rig up a few S/PDIF transmitters. But I haven't been able to find anything that will capture the multi-channel digitial audio as either I²S or S/PDIF. Any ideas?

Marian Marc A
RME HDSP 9632
MaXiO 032e
E-Mu 1212m

gooki · 24th April 2010, 09:35 PM

Quote:

Originally Posted by macboy

gooki,
Which CMedia chip is that?

CMI8787/CMI8788
C-Media Electronics, Inc.

21st April 2010, 02:07 PM	#1
macboy diyAudio Member Join Date: Oct 2003 Location: Ottawa, Canada	Capture 3x (6 ch) I2S or S/PDIF I want to capture three (commonly clocked) I²S signals, that's 6 channels, onto a PC. If necessary, I can convert all into S/PDIF and capture those instead; it is quite easy to rig up a few S/PDIF transmitters. But I haven't been able to find anything that will capture the multi-channel digitial audio as either I²S or S/PDIF. Any ideas?

23rd April 2010, 07:00 AM	#8
juliamat diyAudio Member Join Date: Apr 2010	Pdif There are no differences between the signals transmitted over optical or coaxial S/PDIF connectors—both carry exactly the same information. Selection of one over the other rests mainly on the availability of appropriate connectors on the chosen equipment and the preference and convenience of the user

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21st April 2010, 02:33 PM	#2
wwenze diyAudio Member Join Date: Mar 2008	This should do it: AES16

21st April 2010, 08:19 PM	#4
dangus diyAudio Member Join Date: May 2004 Location: Vancouver Island	I think some Creative cards have I2S inputs. Whether you can capture from them simultaneously, I don't know. But, multiple cards may be an option. I'm pretty sure my Turtle Beach Quadzilla used I2S for the optional S/PDIF input.

21st April 2010, 08:54 PM	#5
SoNic_real_one diyAudio Member Join Date: Jan 2008 Location: Virginia	You are confusing I2S with SPDIF.

21st April 2010, 09:21 PM	#6
gooki diyAudio Member Join Date: Dec 2008	I'm in the same boat, but looking to capture 8 channels of I2S. The most cost effective method I've come up with is multiple 2 channel cards. CMedia have a soundcard chip that should be able to do it, but there appears to be no commercial implementation.

22nd April 2010, 01:15 PM	#7
macboy diyAudio Member Join Date: Oct 2003 Location: Ottawa, Canada	gooki, Which CMedia chip is that?

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