Bug#848016: brltty-espeak: very monotonous speech and noticable delays in speech output

[Samuel Thibault <sthibault@debian.org>]

Eric Scheibler, on Wed 11 Jan 2017 15:48:39 +0100, wrote:
> I thought, that it would be easy to reproduce.

Never assume that something is easy to reproduce.  When a bug is not
fixed, it means the maintainer doesn't have it :)

> >> Instead the speech output overlaps during fast cursor navigation. Therefore a fast line-by-line
> >> navigation still is not possible. I even think, that it's a bit worse now.
> >
> >Mmm, when I try espeak and espeak-ng I don't really see a difference
> >here.
> 
> This still happens with espeak version 1.49.0+dfsg-5.
> 
> I think, that the mute delay and overlapping belong to the same problem. It seems, that the
> espeak-ng module needs too long to clean the current speech buffer. Or in other words: the time
> between the call to cancel speaking and the actual stop of speech is much higher then before.

Can you estimate much "too long" it is?  1s? 0.1s? less?  On my box I
don't really see much difference between espeak and espeak-ng.  Do you
have the pulseaudio package installed?

Samuel