Re: Maintaining sound card at a specific frequency

[Takashi Iwai <tiwai@suse.de>]

At Tue, 18 Jan 2005 16:50:36 +0100 (CET),
Giuliano Pochini wrote:
> 
> 
> On 17-Jan-2005 Patrick Shirkey wrote:
> 
> >> I guess I'm wondering if there isn't some .asoundrc magic that could
> >> be done in my Linux account on this machine that would tell all
> >> applications (other than Jack for now) to use some virtual device that
> >> handles all frequencies. If that virtual device was the default and
> >> the resampling (for Mozilla/games/whatever) was done in software and
> >> the sound cards frequency was never changed then I think things would
> >> work much better.
> >>
> >
> > I think you can use default as the device name in .asoundrc and it
> > will be used as the default device for all apps.
> 
> IMHO we should think on a good solution for this problem. Some
> cards have many channels/voices but the sample rate is common
> for all of them. Currently the only clean way to manage it is
> a control that locks the sample rate at a given frequency, but
> it isn't a nice solution because it requires explicit user
> intervention. In the echoaudio driver I implemented a kludge
> that automatically locks the sample frequency in order to avoid
> unwanted rate changes.

You can add a control to lock the sample rate (e.g. ICE1712).


Takashi


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