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The sox utility can do this. To generate a WAV file: sox -n output.wav synth 600 sine 20-16k Mind you, this will generate a 100 MB WAV file, since it defaults to a 48 kHz sampling rate. Since you need a maximum frequency of 16 kHz, you could get away with a 32 kHz sampling frequency instead: sox -r 32k -n output.wav synth 600 sine 20-16k This file will be ...


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