Re: [Linphone-users] up sample from 8000hz to 48000hz possible ?

[mcquaid mcquaid]

I am interested in this as well, as I have the same issue with rates.  I've tried with dmix but it doesn't seem to upsample properly.

I was curious why you said 1.3.99.4 was necessary if it's an issue only solved by alsa.

My other issue with sound is I want to use dmix for output but not input as this causes breakups on a lot of soundcards mic in.  Is there a way to specify hw for input?

Also, in trying to solve this rate issue other ways, can one configure linphone to use esd or jack?  I know normally, I wouldn't want to introduce more latency, but if one of those upsample properly I'd take the delay.  Is there current documentation on the config file?

On 5/29/06, Simon Morlat <address@hidden> wrote:

Hello,

Is there an alsa driver for this audio chip ? If any, maybe the alsa library
can do the trans-rating in software, especially I you configure
your .asoundrc to use dmix/dsnoop plugins.
You'll have to use 1.3.99.4 prerelease at
http://download.savannah.nongnu.org/releases/linphone/unstable/source/

Simon

Le Vendredi 26 Mai 2006 22:42, gary ng a écrit:
> Hi,
>
> I have a crippled audio chip which only does 48000Hz,
> is it possible/easy to up sample the incoming voice
> stream from 8000Hz to it ?
>
> I tried to use esd daemon but all I got is garbage. If
> directly through /dev/dsp, I hear nothing.
>
> thanks for any info/hint/help in advance.
>
> BTW, how can I specify linphonec to use jack instead
> of /dev/dsp ? I failed to find any documentation about
> the syntax to be used for this in the rc file.
>
> regards,
>
> gary
>
>
>
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