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redirect the audio output to /dev/null

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# 1  
Old 08-17-2012
redirect the audio output to /dev/null
I'm using an text-to-speech synthesis in a script, and I need to redirect it's output to /dev/null

how can I do that ? And how to redirect the stream to his normal output then （sound card ) ?

thankx
# 2  
Old 08-17-2012
Usually the shell doesn't have much control over audio. How to do that for your program depends on how it uses audio, etc.

What's the program?
# 3  
Old 08-18-2012
the program is ekho, it s a free tts , it s in debian and ubuntu repository
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