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Old 30th January 2008, 03:14 PM   #21
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" ... I need an SPDIF to USB converter. ..."

M-Audio Transporter = bi-directional SP/DIF optical input and output at "CD quality or better". @ m-audio.com
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Old 31st January 2008, 04:21 PM   #22
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The DA30 has AES/EBU or coax spdif only.
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Old 31st January 2008, 04:38 PM   #23
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There's the very cheap Behringer UCA202 USB DAC, only 1648, but has optical out and headphone socket ...

http://www.zzounds.com/item--BEHUCA202

w

~ $30 US
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Old 31st January 2008, 04:44 PM   #24
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A piece of advise ... as long as you are getting a DAC, you should also get an ADC with it. The chips cost about the same for output only or input and output.

You do want to capture audio as well as play it back, right? ... Rip AND roar?
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Old 6th October 2008, 10:15 PM   #25
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This one looks great value. What do you guys think?

http://cgi.ebay.co.uk/MINI-HI-FI-USB...3286.m63.l1177
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Old 6th October 2008, 10:40 PM   #26
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Check out the DAC chip first: PCM2704 DAC = 16 bit "el cheap-o" http://focus.ti.com/docs/prod/folder...t/pcm2704.html

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Old 7th October 2008, 11:25 AM   #27
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The reason many manufacturers use the 2704 (or similar), is not because it's is "el cheapo", meaning crap. It's because it's a very good quality DAC and easy to implement. at a reasonable cost.

Yes, it can only do 16 bit, 48KHz, but this is because it's a USB DAC. To implement USB, proprietary software has to be written and this is not viable for many small companies.

The DAC's they are making are very good, just limited to 16/48 because of USB. Some of the DAC's that have SPDIF as well as USB allow 24/96 via the SPDIF, but still only 16/48 via the USB input.
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Old 7th October 2008, 02:07 PM   #28
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A 8 parallel TDA1543 + Dir9001 based USB DAC

http://cid-8af16b7a94a5dc53.spaces.live.com/blog/cns!8AF16B7A94A5DC53!378.entry

It supports USB interface.

It was made a diyer in China, but the quality is good.
Besides, the price is not expensive.
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Old 7th October 2008, 02:56 PM   #29
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In my previous post, I meant to say to get USB to work at 24/96 requires software to be written. At 16/44.1/48, standard drivers can be used.

Sorry for the 4 letter word too. I didn't think that particular word would have been banned.

BTW, I think DAC's that have 8 separate chips, instead of 8 times oversampling is an interesting technique.

Is this a similar design? http://cgi.ebay.co.uk/moon-NOS-Nonov...3286.m63.l1177
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Old 1st November 2008, 09:11 AM   #30
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From the layout and components used in the two TDA1543x8 DAC, I believe they are from the same designers. One may be the upgraded version of the other.
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