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AU to EVRC - Online Audio Converter
Convert AU to EVRC online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AU to EVRC
Drop AU audio here or click to select
AU
EVRC (EVRC)
About AU to EVRC
Convert AU to EVRC. AU is Sun's simple container, usually holding 8 kHz telephony audio. EVRC compresses CDMA voice calls near 8 kbps. Call recordings may skip headers; verify duration after conversion..
Why convert AU to EVRC?
- Smaller files with EVRC lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AU vs EVRC
| Codec | PCM 16-bit | EVRC |
|---|---|---|
| Compression | uncompressed | lossy |
| Sample behavior | Full quality kept | Quality set by bitrate |
| Typical use | AU is Sun's simple container, usually holding 8 kHz telephony audio. | EVRC compresses CDMA voice calls near 8 kbps. |
When not to convert AU to EVRC
- Skip EVRC for archival masters: lossy compression discards detail, so keep the AU original.
- Keep a master copy: repeated exports stack small losses, so archive AU before batch EVRC shares.
Limits
Starting point: AU - AU is Sun's simple container, usually holding 8 kHz telephony audio. Headers are minimal; verify sample rate after conversion. Call recordings may skip headers; verify duration after conversion. Encode EVRC (EVRC) from AU 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 AU to EVRC?
Drop your AU file onto this page, choose quality and codec settings, then click Convert. The result downloads as EVRC instantly. All processing runs in your browser.
What codec is used for EVRC?
The default codec for EVRC is EVRC. 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.