Re: [linux-usb] [UAC2] How to route pcm stream for UAC2 virtual sound card for lowest latency?

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On Mon, 9 Mar 2015, Xuebing Wang wrote:

> Hi Community,
> 
> I am developing a commercial product based on Freescale iMX6SL + UAC2.
> 
> I can get UAC2 working for below command. 'hw:1,0' is the virtual sound 
> card. 'hw:0,0' is the physical sound card.
> export RATE=44100; arecord -D hw:1,0 -c 2 -r $RATE -f S16_LE | aplay -c 
> 2 -r $RATE -f S16_LE &
> 
> Any suggestions on what is the best way to get PCM stream from UAC2 
> virtual sound card and feed to the physical sound card, for the lowest 
> latency purpose?

Why did you post this message to the linux-usb mailing list?  Wouldn't 
it be more appropriate on the alsa-devel list?

Alan Stern

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