Re: [linux-audio-user] USB-Audio latency

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Subject: Re: [linux-audio-user] USB-Audio latency
From: Clemens Ladisch (clemens_AT_ladisch.de)
Date: Wed Jul 28 2004 - 19:52:49 EEST

Polashek, Matthew wrote:
> 2 - What the minimum latency of a USB-audio device is with Linux?

I guess around 10 ms with default settings.

The snd-usb-audio module has an undocumented parameter "nrpacks"
which is equivalent to the number of milliseconds between USB
interrupts. The default value is 4. You can try setting it to lower
values; the minimum is 1.

HTH
Clemens

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