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Hi,
I am running arecord on an Openwrt installation and I am experiencing the following weird problem: if I record a sound two consecutive times, the first time a lot of noise is recorded, and the latter the sound is without any noise. It keeps going on this way (one noisy, and the next one clear), unitl I close the terminal and open a new one: then, it keeps going again that way - but with the order "reverted", i.e. one clear, and one noisy. Here are the commands executed: root@55:/opt#
arecord -f cd -r 16000 -c 1 /tmp/user_speech_18.wav Recording WAVE '/tmp/user_speech_18.wav' : Signed 16 bit Little Endian, Rate 16000 Hz, Mono ^CAborted by signal Interrupt... arecord: pcm_read:2031: read error: Interrupted system call root@55:/opt# arecord -f cd -r 16000 -c 1 /tmp/user_speech_19.wav Recording WAVE '/tmp/user_speech_19.wav' : Signed 16 bit Little Endian, Rate 16000 Hz, Mono ^CAborted by signal Interrupt... arecord: pcm_read:2031: read error: Interrupted system call Here the recorded files:
Any idea of what it is going on or any suggetion on how to figure it out? Thank you very much! Regards, Piercarlo |
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