All Tools
[ audio bench ]
AMR to VOC - Online Audio Converter
Convert AMR to VOC online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AMR to VOC
Drop AMR audio here or click to select
AMR
VOC (PCM 16-bit)
About AMR to VOC
Convert AMR to VOC. AMR encodes narrowband speech for GSM calls at 12.2 kbps and below. VOC is Creative's Sound Blaster voice format with loop markers. Loop markers drop on export; trim manually after conversion..
Why convert AMR to VOC?
- Larger files than lossy shares with VOC uncompressed quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AMR vs VOC
| Codec | AMR-NB | PCM 16-bit |
|---|---|---|
| Compression | lossy | uncompressed |
| Sample behavior | Quality set by bitrate | Full quality kept |
| Typical use | AMR encodes narrowband speech for GSM calls at 12.2 kbps and below. | VOC is Creative's Sound Blaster voice format with loop markers. |
When not to convert AMR to VOC
- Skip VOC for the smallest share: lossless output stays large, so prefer a lossy target when sending AMR files.
- Keep a master copy: repeated exports stack small losses, so archive AMR before batch VOC 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. Loop markers drop on export; trim manually after conversion. Encode VOC (PCM 16-bit) 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.
Related conversions
FAQ
How do I convert AMR to VOC?
Drop your AMR file onto this page, choose quality and codec settings, then click Convert. The result downloads as VOC instantly. All processing runs in your browser.
What codec is used for VOC?
The default codec for VOC 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.