On Thursday 15 March 2018 13:00:43 fredvs wrote:
> Hello.
>
> For infos:
>
> <http://mseide-msegui-talk.13964.n8.nabble.com/file/t2/portaudio_uos.png>
>
> <http://mseide-msegui-talk.13964.n8.nabble.com/file/t2/pcaudio_pulse_uos.pn
>g>
>
> <http://mseide-msegui-talk.13964.n8.nabble.com/file/t2/pcaudio_alsa_uos.png
>>
>
> The quality of sound is equal with the 3 drivers.
>
> Only for pcaudio_alsa there is a little "click" at begin of sound (if a
> song was played before).
>
You are aware of the Alsa problem of the not immediately working 
snd_pcm_drop() function? eSpeakNG and tassistivehandler excessively use the 
function to stop current speech and to immediately speak the new text, for 
example by navigating widgets by arrow keys. The Alsa echo is distracting.
Pleas see here:
http://mailman.alsa-project.org/pipermail/alsa-devel/2018-March/133323.html
http://mailman.alsa-project.org/pipermail/alsa-devel/2018-March/133324.html
http://mailman.alsa-project.org/pipermail/alsa-devel/2018-March/133327.html
http://mailman.alsa-project.org/pipermail/alsa-devel/2018-March/133333.html
http://mailman.alsa-project.org/pipermail/alsa-devel/2018-March/133341.html
http://mailman.alsa-project.org/pipermail/alsa-devel/2018-March/133350.html
and especially here:
http://mailman.alsa-project.org/pipermail/alsa-devel/2018-March/133351.html
;-)

Martin

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