Re: Emacspeak with eSpeak losing speech on Vinux 4

[Christopher Chaltain <chaltain@xxxxxxxxxxx>]

On 05/12/2013 07:39 PM, Jason White wrote:
> Tim Cross <tcross@xxxxxxxxxxx> wrote:
> > If I understand your setup and how our running emacs and emacspeak, I
> > don't think gnome-orca is the issue.
>
> I agree. I've just discovered (under debian, at least, and it seems to be a
> problem in the Espeak code itself) that the AUDIO=runtime compile-time flag,
> which is supposed to invoke PulseAudio when the latter is available, always
> uses PortAudio, hence ALSA directly, instead. The wrapper functions which are
> meant to choose the output method dynamically are never called.
>
> The result is that PulseAudio is bypassed unless Alsa is configured to use it
> by default (in which case, we still get underruns and other errors about which
> the Alsa library complains on standard error).

Interesting. I definitely get a different behavior when I recompile 
eSpeak myself using the runtime compile option. I don't get the chopping 
off of the last syllable that I get when I use the default PortAudio 
setting.

Thanks Jason and all for looking into this issue and the various 
suggestions I still need to work through myself.

> I've formally reported the ESpeak bug to Debian, from where I expect it will
> be taken upstream.
>
> Note that Speech-Dispatcher is unaffected because it handles the audio output
> directly rather than via ESpeak, whereas the Emacspeak speech server uses
> Espeak itself to handle the output device.
>
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--
Christopher (CJ)
chaltain at Gmail

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