Comparing the responsiveness of espeak and Outloud

[Alastair Irving <alastair.irving@xxxxxxxxxxx>]

Hi

I'm running Arch Linux inside a virtual machine.  I have emacspeak 34.0 
with both the espeak and Outloud servers compiled and working.  Both 
servers work well, the only problem is that the outloud server seems to 
be less responsive than espeak, especially when trying to stop speech. 
It's often the case that when stopping outloud an extra couple of 
sylabuls will be spoken.  I know this doesn't sound like much but if you 
cursor through lines very quickly it can get to be a long way behind.

I did some experimenting by running the outloud server directly, 
queueing some speech with the q command, speaking it with d and stopping 
it with s.  as above there was a very obvious delay in stopping, where 
as with espeak there is not.  Whilst doing this I realised that every 
time I got it to speak something the server printed numerous messages of 
the form
Underrun!!! (at least ... ms too long)
(for varying values of ...).

Presumably this shouldn't happen.

I would really appreciate it if someone who understands the workings of 
the server could please tell me if the slow stopping and the underrun 
issues are the same problem or different and if there is anything I can 
do about the slow stopping problem.

Many thanks

Alastair

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