Computer Audio Asylum

Posted by John Swenson (A) on January 27, 2006 at 19:58:32

In Reply to: USB modes and chips posted by Kenn on January 27, 2006 at 17:05:22:

The transit uses the 1020 in adaptive mode. The way the 1020 implements adaptive mode is different than the 270X chips, I'm not sure which is better though, I'm going to be doing some head to head comparisons later this year.

An ASRC does NOT completely eliminate jitter from the input, I've gone over the details of that before. It can decrease jitter to some degree, but it cannot eliminate it. So even with an ASRC you CAN hear effects from upstream interfaces.

The 2702 is the same USB engine as the 2706 that I use, but it does not have I2S output, you have to either use its own built in DAC or the S/PDIF output.

If I can get the firmware properly written to run asynchronous mode with the 1020B then it will be an extremely good interface.

John S.

• Thanks. Good info. [nt] - Kenn 22:44:37 01/27/06 (0)

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