ESS Sabre Reference DAC (8-channel) - Page 38

Dougie085 · 1st April 2008, 05:55 PM

The USB module won't do that though? Thats what it sounds like he said.

BrianDonegan · 1st April 2008, 05:57 PM

Oh, that is impossible without adding an ASRC to the USB module, as the output is a function of the PCM2707.

Dougie085 · 1st April 2008, 06:11 PM

So even if your feeding the I2S into the Opus no 24bit? Gotta have the metronome in place and then it will do 24bit 192khz?

Russ White · 1st April 2008, 06:22 PM

Quote:

Originally posted by Dougie085
So even if your feeding the I2S into the Opus no 24bit? Gotta have the metronome in place and then it will do 24bit 192khz?

No it has nothing to do with the DAC. The DAc can do 192/24 no problem.

It is just a limitation of the PCM2707 USB module. That module can only output 44.1 or 48khz.

The Buffalo DAC will easily do 192/24 either PCM(I2S LJ/RJ) or SPDIF.

Dougie085 · 1st April 2008, 06:30 PM

Ok I get that part but what I'm asking is that with the Metronome will it do 192khz? And also will the PCM2707 do 24 bit or only 16bit? Sorry if we're frustrating you

I just was thinking with the USB module I would be able to do 24bit at least.

Russ White · 1st April 2008, 06:36 PM

Quote:

Originally posted by Dougie085
Ok I get that part but what I'm asking is that with the Metronome will it do 192khz? And also will the PCM2707 do 24 bit or only 16bit? Sorry if we're frustrating you I just was thinking with the USB module I would be able to do 24bit at least.

The metronome can convert the 16bit to 24bit yes. but there is no need, since the ESS DAC already basically does the same thing (only better). Just feed it the I2S out of the USB module.

Cheers!
Russ

Dougie085 · 1st April 2008, 06:43 PM

Well for the time being I'll be using the Opus so thats why I was curious. It can't take 24 bit directly from the PC I guess kind of sucks... Maybe I should have went with SPDIF

dusfor99 · 2nd April 2008, 10:34 PM

Hi All,

Yes you could just use the SPDIF output from your computer and drive it into Russ's board for a 24 bit, source, but I think everyone knows this. I am curious as to who has made USB do 192kHz and 24 bit depth from the computer since that is was we did for the demo boards. Anyways, how are the design's going?

Dustin

Variac · 3rd April 2008, 05:04 AM

24 bit USB is pretty necessary... at some point..
You can download 24 bit files right now, so it would be nice to listen to them...

Dougie085 · 3rd April 2008, 05:17 AM

I agree but looks like it's not much of an option right now. I'll probably just do SPDIF out eventually when I order that board.

1st April 2008, 05:57 PM	#372
BrianDonegan diyAudio Member Join Date: Dec 2004 Location: Rock Ridge	Oh, that is impossible without adding an ASRC to the USB module, as the output is a function of the PCM2707. __________________ Twisted Pear Audio

2nd April 2008, 10:34 PM	#378
dusfor99 diyAudio Member Join Date: Oct 2006	USB Hi All, Yes you could just use the SPDIF output from your computer and drive it into Russ's board for a 24 bit, source, but I think everyone knows this. I am curious as to who has made USB do 192kHz and 24 bit depth from the computer since that is was we did for the demo boards. Anyways, how are the design's going? Dustin

3rd April 2008, 05:04 AM	#379
Variac diyAudio Editor Join Date: Dec 2001 Location: San Francisco, USA	24 bit USB is pretty necessary... at some point.. You can download 24 bit files right now, so it would be nice to listen to them... __________________ 2013 Burning Amp Festival announced: Sunday, October 6th in S.F. We need Volunteers & sign-up's for what you're bringing!

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1st April 2008, 05:55 PM	#371
Dougie085 diyAudio Member Join Date: Nov 2005 Location: Ohio	The USB module won't do that though? Thats what it sounds like he said.

1st April 2008, 06:11 PM	#373
Dougie085 diyAudio Member Join Date: Nov 2005 Location: Ohio	So even if your feeding the I2S into the Opus no 24bit? Gotta have the metronome in place and then it will do 24bit 192khz?

1st April 2008, 06:30 PM	#375
Dougie085 diyAudio Member Join Date: Nov 2005 Location: Ohio	Ok I get that part but what I'm asking is that with the Metronome will it do 192khz? And also will the PCM2707 do 24 bit or only 16bit? Sorry if we're frustrating you I just was thinking with the USB module I would be able to do 24bit at least.

1st April 2008, 06:43 PM	#377
Dougie085 diyAudio Member Join Date: Nov 2005 Location: Ohio	Well for the time being I'll be using the Opus so thats why I was curious. It can't take 24 bit directly from the PC I guess kind of sucks... Maybe I should have went with SPDIF

3rd April 2008, 05:17 AM	#380
Dougie085 diyAudio Member Join Date: Nov 2005 Location: Ohio	I agree but looks like it's not much of an option right now. I'll probably just do SPDIF out eventually when I order that board.