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VOC to GSM - Online Audio Converter
Convert VOC to GSM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert VOC to GSM
Drop VOC audio here or click to select
VOC
GSM (GSM)
About VOC to GSM
Convert VOC to GSM. VOC is Creative's Sound Blaster voice format with loop markers. GSM 06.10 encodes European mobile speech at 13 kbps. Carrier framing can offset timing; verify duration..
Why convert VOC to GSM?
- Smaller files with GSM lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
VOC vs GSM
| Codec | PCM 16-bit | GSM |
|---|---|---|
| Compression | uncompressed | lossy |
| Sample behavior | Full quality kept | Quality set by bitrate |
| Typical use | VOC is Creative's Sound Blaster voice format with loop markers. | GSM 06.10 encodes European mobile speech at 13 kbps. |
When not to convert VOC to GSM
- Skip GSM for archival masters: lossy compression discards detail, so keep the VOC original.
- Keep a master copy: repeated exports stack small losses, so archive VOC before batch GSM shares.
Limits
Starting point: VOC - VOC is Creative's Sound Blaster voice format with loop markers. Loop markers drop on export; trim manually after conversion. Carrier framing can offset timing; verify duration. Encode GSM (GSM) from VOC 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 VOC to GSM?
Drop your VOC file onto this page, choose quality and codec settings, then click Convert. The result downloads as GSM instantly. All processing runs in your browser.
What codec is used for GSM?
The default codec for GSM is GSM. 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.