All Tools
[ audio bench ]
GSM to AMR-WB - Online Audio Converter
Convert GSM to AMR-WB online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert GSM to AMR-WB
Drop GSM audio here or click to select
GSM
AMR-WB (AMR-WB)
About GSM to AMR-WB
Convert GSM to AMR-WB. GSM 06.10 encodes European mobile speech at 13 kbps. AMR-WB widens speech to 16 kHz for HD voice calls. 16 kHz sampling caps highs; keep a master for music..
Why convert GSM to AMR-WB?
- Smaller files with AMR-WB lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
GSM vs AMR-WB
| Codec | GSM | AMR-WB |
|---|---|---|
| Compression | lossy | lossy |
| Sample behavior | Quality set by bitrate | Quality set by bitrate |
| Typical use | GSM 06.10 encodes European mobile speech at 13 kbps. | AMR-WB widens speech to 16 kHz for HD voice calls. |
When not to convert GSM to AMR-WB
- Skip AMR-WB for archival masters: lossy compression discards detail, so keep the GSM original.
- Keep a master copy: repeated exports stack small losses, so archive GSM before batch AMR-WB shares.
Limits
Starting point: GSM - GSM 06.10 encodes European mobile speech at 13 kbps. Carrier framing can offset timing; verify duration. 16 kHz sampling caps highs; keep a master for music. Encode AMR-WB (AMR-WB) from GSM 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 GSM to AMR-WB?
Drop your GSM file onto this page, choose quality and codec settings, then click Convert. The result downloads as AMR-WB instantly. All processing runs in your browser.
What codec is used for AMR-WB?
The default codec for AMR-WB is AMR-WB. 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.