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Trying to figure out audio signal path from JRiver via USB to Dac?
post Jan 9 2013, 17:09
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Group: Members
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Joined: 9-January 13
Member No.: 105739

Hello, new member here;

I have been trying to figure out precisely what the audio signal path is from JRiver via USB to a Dac.

I have been trying to find explanations on the net for these questions, with little success.

First of all what would be the form of the data from the media player (mp); serial bits, bytes, or packets? How does the mp embed the driver (wasapi, asio?) information, or how is the driver implemented?

Then with this example, the transfer medium being USB, where does the data stream go after the mp; I/O Hub Controller, CPU...? If someone can explain the places stages and processes that the signal goes through in the computer it would be helpful. Where does framing, buffering, and reclocking occur?

Finally, is the data output per USB to the Dac converted to PCM, or are raw packets output in serial form to the Dac?

Any responses from members here, that have an understanding of these processes would be very much appreciated.


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