Getting Espeakup to open the soundcard instereo
Try getting Espeak to go through an alsa device, then configure
that alsa device to convert mono to stereo -- should be doable
via an appropriately configured .alsa file. ESpeak might well
be using pulseaudio -- and that might complicate things.
--
Best Regards,
--raman
On 8/6/13, Geoff Shang <geoff@quitelikely.com> wrote:
> Hi,
>
> I'm trying to get Espeakup working with an external USB soundcard, due to
> the crash issues one faces when using Espeakup with the internal soundcard
> on the Raspberry Pi.
>
> The problem I've run into is that the USB device doesn't know how to
> handle mono audio. If I play a stereo file, it works fine. If I play a
> mono one, it fails.
>
> I suspect that Espeakup is failing for the same reason.
>
> Since there doesn't appear to be any command line options to Espeakup to
> make it do this, I wondered if there might be some ALSA trickery, like
> using the ALSA_CARD variable to choose which soundcard to use. All the
> solutions I've found so far however implement something at the plug level
> which would appear to be a bit high up.
>
> Any thoughts on this? This is fairly urgent.
>
> Cheers,
> Geoff.
>
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