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MKA to AU - Online Audio Converter
Convert MKA to AU online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert MKA to AU
Drop MKA audio here or click to select
MKA
AU (PCM 16-bit)
About MKA to AU
Convert MKA to AU. MKA is the Matroska audio-only container for tracks and chapters. AU is Sun's simple container, usually holding 8 kHz telephony audio. Headers are minimal; verify sample rate after conversion..
Why convert MKA to AU?
- Larger files than lossy shares with AU uncompressed quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
MKA vs AU
| Codec | Matroska | PCM 16-bit |
|---|---|---|
| Compression | lossless or lossy | uncompressed |
| Sample behavior | Depends on the track inside | Full quality kept |
| Typical use | MKA is the Matroska audio-only container for tracks and chapters. | AU is Sun's simple container, usually holding 8 kHz telephony audio. |
When not to convert MKA to AU
- Skip AU for the smallest share: lossless output stays large, so prefer a lossy target when sending MKA files.
- Keep a master copy: repeated exports stack small losses, so archive MKA before batch AU shares.
Limits
Starting point: MKA - MKA is the Matroska audio-only container for tracks and chapters. Only selected tracks carry over, so pick language first. Headers are minimal; verify sample rate after conversion. Encode AU (PCM 16-bit) from MKA 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 MKA to AU?
Drop your MKA file onto this page, choose quality and codec settings, then click Convert. The result downloads as AU instantly. All processing runs in your browser.
What codec is used for AU?
The default codec for AU 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.