Is there a usb dac out there that does not need a pc - diyAudio
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Old 13th March 2008, 03:33 AM   #1
diyAudio Member
Join Date: Sep 2003
Location: earth
Default Is there a usb dac out there that does not need a pc

ie the dac itself contains a microcontroller
so that it can be a master. The input would be
a bunch of uncompressed wav files from say,
a usb thumb drive. This external thumb drive
would be slaved to the usb dac - a transportless
digital source with the possibility of minimal
transport induced jitter. A really low jitter clock
can then be used.

Does such a kit or project exist?

Or can the std usb receiver chips from TI etc be
used with some simple glue logic and clock to
accomplish this?

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Old 13th March 2008, 07:27 AM   #2
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Join Date: Jan 2006
Location: whereisit
There are USB DACs that are master of the flow control and so are jitter immune, but they still rely on PC and won't work with the miniature USB drives.
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Old 20th March 2008, 08:14 PM   #3
Archwn is offline Archwn  United Kingdom
diyAudio Member
Join Date: Oct 2006
some say pcm29xx can be used with out a pc. i will not going to believe this until i have tried it myself.
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Old 21st March 2008, 05:33 AM   #4
diyAudio Member
Join Date: Sep 2003
Location: earth
Default a similar request


Playback sound files controlled by a Pic

SD card is fine too.

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