Subject: Re: [linux-audio-user] jack latency & MIDI latency
From: Steve Harris (S.W.Harris_AT_ecs.soton.ac.uk)
Date: Tue Sep 30 2003 - 23:27:58 EEST
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
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