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sox

brew install sox v14.4.2_6 GPL-2.0-or-later AND LGPL-2.1-or-later

Audio file converter and effects processor supporting 30+ formats (WAV, MP3, FLAC, Ogg, etc.) with real-time filtering and synthesis.

Why you might care

SoX is the standard CLI tool for batch audio conversion and non-destructive effects processing in shell scripts and build pipelines. It handles format detection automatically, supports plugins, and applies reverb, EQ, compression, and other effects in a single pass—far more capable than simple ffmpeg audio extraction for audio-specific workflows.

Categories

audio-tool conversion file-utility

Alternatives

ffmpeg Audacity libsndfile
2.2k
30-day installs · #920
8.0k
90-day · #903
30.5k
365-day · #879

Runtime dependencies

flac lame libogg libpng libsndfile libvorbis mad opusfile

Build dependencies

pkgconf

Links

Blurb generated by claude-haiku-4-5 on today.

Raw metadata 
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    "opusfile"
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  "deprecated": 0,
  "deprecation_reason": null,
  "desc": "SOund eXchange: universal sound sample translator",
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  "enrichment_fetched_at": "2026-06-20T23:41:12+00:00",
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  "homepage": "https://sox.sourceforge.net/",
  "homepage_og_description": "Download SoX - Sound eXchange for free.  SoX is the Swiss Army Knife of sound processing utilities. It can convert audio files to other popular audio file types and also apply sound effects and filters during the conversion.",
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  "homepage_title": "SoX - Sound eXchange download | SourceForge.net",
  "installs_30d": 2245,
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  "installs_90d": 8007,
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  "last_seen": "2026-06-20T23:34:18+00:00",
  "license": "GPL-2.0-or-later AND LGPL-2.1-or-later",
  "llm_generated_at": "2026-06-20T23:47:52+00:00",
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  "one_liner": "Audio file converter and effects processor supporting 30+ formats (WAV, MP3, FLAC, Ogg, etc.) with real-time filtering and synthesis.",
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  "why_use_this": "SoX is the standard CLI tool for batch audio conversion and non-destructive effects processing in shell scripts and build pipelines. It handles format detection automatically, supports plugins, and applies reverb, EQ, compression, and other effects in a single pass\u2014far more capable than simple ffmpeg audio extraction for audio-specific workflows."
}