In message "Proposal: Audio: Sampling rate conversion"
    on 02/03/04, TAMURA Kent <kent@netbsd.org> writes:
> Delivered-To: tech-kern@netbsd.org
> 
> The following patch adds
>  - sampling rate conversion
>  - mono-to-stereo/stereo-to-mono conversion
> to the device-independent audio driver.
> 
> The patch contains rate/channel conversion code for the
> device-independent audio driver and conversion request code for
> dev/usb/uaudio.c and dev/pci/auich.c.  It may be a solution for
> kern/8854 [1] and port-i386/12695 [2].  I'll commit this if no
> objection is posted in 72 hours.

I have commited it with slight clean-up.

Audio drivers other than auich and uaudio should work as ever.
If they have a problem, do send-pr please.

I'll update audio.9 later.

-- 
TAMURA Kent <kent2002@hauN.org> <kent@netbsd.org>