[Asterisk-Dev] Re: 16 KHz audio ?

[Eric Bart]

> WMME == Windows MultiMedia Extensions == the API you're using..
> 
> > Maybe some USB mike drivers do not support high sampling freq, but
> > they do support 8KHz.
> 
> I don't know if the drivers do this, or windows internal mixer stuff 
> does the resampling,

Resampling is consuming quite a lot of CPU power and the WMME is 
quite old. 

The WMME is just a simple wraper for the driver. At that time M$ 
was just hoping to standardize the drivers.


> but I know I've gotten 8khz rates from hardware 
> that, under linux, won't give me 8khz.  I haven't found this to be a 
> guarantee I can find anywhere in the docs, though..

I don't know about Linux.