[linux-audio-user] USB-Audio latency

Polashek, Matthew Matthew.Polashek at scottforesman.com
Wed Jul 28 13:15:46 EDT 2004


Ok.. that could be fun to try.

Could anyone point me to a howto that explains how to implement this?

Matthew


> ----------
> From: 	Clemens Ladisch
> Reply To: 	A list for linux audio users
> Sent: 	Wednesday, July 28, 2004 12:52 PM
> To: 	A list for linux audio users
> Subject: 	Re: [linux-audio-user] USB-Audio latency
> 
> 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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