On 1/1/2010 7:07 AM, Bill Cox wrote:
> Any basically usable Linux system for the blind needs Orca and speakup
> working together. Pulseaudio, SFAIK, only allows one instance to use
> the sound card at a time. Pulseaudio also requires each user to have
> his own copy. Speakup runs before any user logs in, and therefore
> must run as it's own user.
>
> Therefore... pulseaudio can't work on any truely accessible Linux box?
> Is this basically true? If this can be fixed, which peice of code
> needs fixing (I'm willing to fix it)? Should we try and make multiple
> instances of pulseaudio play nice together so they can share the sound
> card?
I will admit I haven't played with this lately that was a problem as of a few
months ago. Specifically using multiple sound devices with speech recognition
(or any other app requiring audio input such as a telephone.
For some reason, Lennox audio systems don't seem to cope very well with a USB
microphone because instead of letting it stand as a second device, it seems to
displace the primary audio device in favor of a USB device and not leave the
application which one it wants to use. My favorite use case is using a headset
to speak with someone (voip) while running rhythm box playing some tunes in the
background. For voip, you can also substitute wine running NaturallySpeaking.
in any case, I think is a generic problem dealing with multiple devices and if
you can fix it, that would be fantastic.
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