On Wed, Oct 01, 2003 at 01:53:13 +0900, Patrick Shirkey wrote: > USB devices require a period size > 2 and provide fixed sized packets > which basically fly in the face of good audio design. It seems that the Actually its fixed /time/ packets that cause the prolem. Some bright spark decided that all USB audio blocks should be (multiples of?) 1ms long regardless of the sample rate. That means that at 44.1kHz the packets are variable, non power-of-two sizes. Yuk. - Steve