sox input.wav output.wav channels 1

Category: Media & Conversion

sox input.wav output.wav channels 1

Downmix audio to mono

Downmixes the audio to a single channel with the channels effect. Mixing combines the stereo pair, which can cancel out-of-phase content. To keep only one specific channel, use remix instead.
Looking for more? Search all 7,657 commands — works offline, in English or Spanish, and fixes typos.