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In Reply to: To quote Gordon Rankin: posted by jusbe on October 19, 2004 at 04:36:41:
J.Thanks for the nice comments... I don't know how the Twindacplus works but there are 3 USB Audio 1.1 formats (well six but most of those include eq and other stuff like vol control). Only one of them has error correction. The others work similar to SPDIF in that the output is time corrolated.
It maybe that the reason the 2.0 is better is because it has much better throughput do to buffering and this maybe why it sounds better on your system.
I use type 3 Audio format with error correction and have not found much difference in using an older iBook 500 with 1.1 controllers and the 2.0 controller on my newer iBook using the Cosecant.
Follow Ups:
Gordon,how do you specify which type of protocol you want to choose on the USB 1.1?
Just happy to have access to information like this, which seems well ahead of the curve.Tell me, weren't you in communication with Apple about the direction and feature-list of their new digital wares? Any progress?
Lastly, do you know of any decent USB cables or is this too 'old hat' in the PC age? Are they all pre-formed and moulded?
Big J.
J.Apple has their hands full right now and none of my ideas are getting past DTS. So all that is a stall right now...
I send good quality 2.0 cables with my stuff. It really should not matter as much because the specification is soo much better than SPDIF.
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