[Bug 353719] Re: espeak fails with "could not open /dev/dsp"

Jonathan Duddington jonsd at jsd.clara.co.uk
Thu Apr 2 16:26:27 UTC 2009


Yes. eSpeak in Ubuntu 8.10 is built to output sound using the OSS sound
interface.  OSS does not support sound mixing, so you will get this
error if some other software is using Sound (or has recently used Sound
and has not yet released the /dev/dsp).

eSpeak can be built either to use OSS or to use ALSA which supports
sound mixing, depending on which version of the "PortAudio" sound
interface library is used.

In Ubuntu 9.04, eSpeak has been built to use ALSA, so this problem
should not occur.

You can also avoid this problem by piping its output through an ausio
player such as "aplay", eg:

espeak -f textfile --stdout | aplay

-- 
espeak fails with "could not open /dev/dsp"
https://bugs.launchpad.net/bugs/353719
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