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AC3 to PCM - Online Audio Converter
Convert AC3 to PCM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AC3 to PCM
Drop AC3 audio here or click to select
AC3
PCM (PCM 16-bit)
About AC3 to PCM
Convert AC3 to PCM. AC3 (Dolby Digital) carries 5.1 surround on DVDs and broadcasts. PCM is raw pulse-code samples with no container or headers. Sample rate and width must be set by hand since headers carry none..
Why convert AC3 to PCM?
- Larger files than lossy shares with PCM uncompressed quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AC3 vs PCM
| Codec | AC-3 | PCM 16-bit |
|---|---|---|
| Compression | lossy | uncompressed |
| Sample behavior | Quality set by bitrate | Full quality kept |
| Typical use | AC3 (Dolby Digital) carries 5.1 surround on DVDs and broadcasts. | PCM is raw pulse-code samples with no container or headers. |
When not to convert AC3 to PCM
- Skip PCM for the smallest share: lossless output stays large, so prefer a lossy target when sending AC3 files.
- Keep a master copy: repeated exports stack small losses, so archive AC3 before batch PCM shares.
Limits
Starting point: AC3 - AC3 (Dolby Digital) carries 5.1 surround on DVDs and broadcasts. Downmix choices change loudness; check levels after conversion. Sample rate and width must be set by hand since headers carry none. Encode PCM (PCM 16-bit) from AC3 at 256k for music or 128k for speech, starting from the master.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.
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FAQ
How do I convert AC3 to PCM?
Drop your AC3 file onto this page, choose quality and codec settings, then click Convert. The result downloads as PCM instantly. All processing runs in your browser.
What codec is used for PCM?
The default codec for PCM is PCM 16-bit. You can change audio parameters in Advanced mode.
How do you store my files?
We do not store any processed audio. All conversion happens entirely in your browser using FFmpeg WASM.