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AMR to EVRC - Online Audio Converter
Convert AMR to EVRC online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AMR to EVRC
Drop AMR audio here or click to select
AMR
EVRC (EVRC)
About AMR to EVRC
Convert AMR to EVRC. AMR encodes narrowband speech for GSM calls at 12.2 kbps and below. EVRC compresses CDMA voice calls near 8 kbps. Call recordings may skip headers; verify duration after conversion..
Why convert AMR to EVRC?
- Smaller files with EVRC lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AMR vs EVRC
| Codec | AMR-NB | EVRC |
|---|---|---|
| Compression | lossy | lossy |
| Sample behavior | Quality set by bitrate | Quality set by bitrate |
| Typical use | AMR encodes narrowband speech for GSM calls at 12.2 kbps and below. | EVRC compresses CDMA voice calls near 8 kbps. |
When not to convert AMR to EVRC
- Skip EVRC for archival masters: lossy compression discards detail, so keep the AMR original.
- Keep a master copy: repeated exports stack small losses, so archive AMR before batch EVRC shares.
Limits
Starting point: AMR - AMR encodes narrowband speech for GSM calls at 12.2 kbps and below. Tuned for voice calls, so music loses detail by design. Call recordings may skip headers; verify duration after conversion. Encode EVRC (EVRC) from AMR 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 AMR to EVRC?
Drop your AMR 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.