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## ffmpeg encoding for Twilio, Genesys and other voice delivery platforms
## File input can be any format ffmpeg accepts (.mp3, .wav, .avi, etc.), output shout should be .wav format
ffmpeg -i "YOUR_INPUT_FILE.m4a" -ar 8000 -ac 1 -ab 64 -acodec pcm_mulaw "YOUR_OUTPUT_FILE.wav" -map 0:0
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