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41 lines
1.3 KiB
Plaintext
41 lines
1.3 KiB
Plaintext
# sox
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# Sound eXchange: play, record and convert audio files.
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# Audio formats are identified by the extension.
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# Merge two audio files into one:
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sox -m ${input_audiofile1} ${input_audiofile2} ${output_audiofile}
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# Trim an audio file to the specified times:
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sox ${input_audiofile} ${output_audiofile} trim ${start} ${end}
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# Normalize an audio file
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# (adjust volume to the maximum peak level, without clipping):
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sox --norm ${input_audiofile} ${output_audiofile}
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# Reverse and save an audio file:
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sox ${input_audiofile} ${output_audiofile} reverse
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# Print statistical data of an audio file:
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sox ${input_audiofile} -n stat
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# Increase the volume of an audio file by 2x:
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sox -v 2.0 ${input_audiofile} ${output_audiofile}
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# Changing sample rate of a file
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sox ${input_file} -r 16000 ${output_file}
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# Changing the Number of Channels
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# For example: convert mono audio files to stereo
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sox ${mono_wav} -c 2 ${stereo_wav}
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# Generate Different Types of Sounds
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# ${len} - length of audio to synthesize, hh:mm:ss.frac
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# ${freq} - frequencies at the beginning/end of synthesis in Hz
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# ${type} is one of sine, square, triangle, sawtooth, trapezium, exp,
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# [white]noise, pinknoise, brown-noise
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# sox -n synth ${len} ${type} ${freq}
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sox -r 8000 -n output.wav synth 3 sine 300-3300
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# Speed up the Sound in an Audio File
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sox input.wav output.wav speed 2.0
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