It might be getting interrupted quickly, but at the wrong time.
IIRC, the core issue with espeak-ng (without speech dispatcher) is that
there's no way to flush the audio without at least one buffer of audio
playing.
Speech-dispatcher, NVDA, etc don't care because they all use their own
audio library. But espeakup and emacspeak use espeak-ng's built-in audio
library and the performance isn't very good.
While I haven't tried with espeakup, emacspeak was completely unusable
on my Ubuntu 20.04 system with PulseAudio and whatever espeak-ng it had.
I'll try with espeakup and report back, since I assume this is the
configuration most people would actually want to use. Yes you can get by
on a mostly text-only system without pulse, but it has a lot of
disadvantages.
If I interrupt speech, I want it interrupted as soon as I hit the key,
not after whatever buffer plays because espeak can't tell the audio
driver to stop. I think the old espeak did that.
On 10/10/2020 4:53 PM, Samuel Thibault wrote:
Kirk Reiser, le sam. 10 oct. 2020 19:17:42 -0400, a ecrit:
In fact, if I just hold down the previous-lineor next-line keys it
still reads bits of the screen as it's going up or down. I tried to
type fast enough to not get any speech but couldn't do it. It almost
speaks immediately when I press the key or fast enough I can't tell
the difference.
Ok but isn't it getting interrupted by the next key press also very
fast?
Making the rate to 9 and running less on a long text, then keeping the
down key pressed, I do get gibberish speech indeed, since it basically
tries to speak the first words of each line very fast before the next
key press switches to the next line. But what else would be expected?
the libespeak library as reported by ldd is:
libespeak.so.1 => /usr/lib/x86_64-linux-gnu/libespeak.so.1 (0x00007f6298
That is not precise enough, that has never changed since the espeak
times. The last version of espeak-ng I'm aware of is 1.50.
Samuel
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