Re: [LAU] Audio interface latency measurements

From: Fons Adriaensen <fons@email-addr-hidden>
Date: Sat Jun 21 2014 - 23:47:03 EEST

On Sat, Jun 21, 2014 at 08:19:49PM +0200, Robert Jonsson wrote:
 
> You are probably right about USB3 but with USB1 and USB2 speeds, how
> can the clock speed not be relevant? As an example, wouldn't
> transferring 1024 frames of float on USB1 (12Mbit) take 2,7ms and only
> 68us on USB2 (480Mbit)?

For USB devices period size is just a property of the driver.
Not of the interface, which will be using smaller packets.

Ciao,

-- 
FA
A world of exhaustive, reliable metadata would be an utopia.
It's also a pipe-dream, founded on self-delusion, nerd hubris
and hysterically inflated market opportunities. (Cory Doctorow)
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Received on Sun Jun 22 04:15:03 2014

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