RE: more general audio question (was [iPAQ] SpeakFreely with 16k/ stereo works)

Nicolas,

The driver is not missing any features, but at least on the iPAQ some of the
data rates supported by the hardware do not work with the driver, e.g.,
8KHz.

-Jamey

> -----Original Message-----
> From: Nicolas Pitre [mailto:nico@cam.org]
> Sent: Thursday, March 15, 2001 5:20 PM
> To: Hicks, Jamey
> Cc: 'Brian Delaney'; ipaq@handhelds.org
> Subject: RE: more general audio question (was [iPAQ] SpeakFreely with
> 16k/ stereo works)
>
>
>
>
> On Thu, 15 Mar 2001, Hicks, Jamey wrote:
>
> >
> >
> > > If it is the driver, then we can probably expect a fix
> sometime in the
> > > future.
> >
> > Only if someone steps forward to work on the driver...
>
> The only thing the audio driver lacks at the moment is the
> mmap() interface.
> I put a mono<-->stereo conversion in there in the past but it
> may well be
> removed at the same time mmap() goes in, since they are
> mutually exclusive.
>
> Clearly, rate conversion belongs in the user app if the hardware can't
> provide it. Not in the kernel driver. Many audio
> applications have the
> ability to downgrade their 16-bit signal when they detect an old 8-bit
> SoundBlaster. Now it's time to teach apps to do the
> opposite... or use a
> sound daemon that handles that for you.
>
>
> Nicolas
>
Received on Thu Mar 15 14:33:13 2001