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QCP to QCELP - Online Audio Converter
Convert QCP to QCELP online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert QCP to QCELP
Drop QCP audio here or click to select
QCP
QCELP (QCELP)
About QCP to QCELP
Convert QCP to QCELP. QCP wraps QCELP voice memos from CDMA handsets. QCELP compresses CDMA voice near 8 kbps like EVRC. Carrier variants differ; check headers before converting..
Why convert QCP to QCELP?
- Smaller files with QCELP lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
QCP vs QCELP
| Codec | QCP | QCELP |
|---|---|---|
| Compression | lossy | lossy |
| Sample behavior | Quality set by bitrate | Quality set by bitrate |
| Typical use | QCP wraps QCELP voice memos from CDMA handsets. | QCELP compresses CDMA voice near 8 kbps like EVRC. |
When not to convert QCP to QCELP
- Skip QCELP for archival masters: lossy compression discards detail, so keep the QCP original.
- Keep a master copy: repeated exports stack small losses, so archive QCP before batch QCELP shares.
Limits
Starting point: QCP - QCP wraps QCELP voice memos from CDMA handsets. Same payload as QCELP under the handset file name. Carrier variants differ; check headers before converting. Encode QCELP (QCELP) from QCP 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 QCP to QCELP?
Drop your QCP file onto this page, choose quality and codec settings, then click Convert. The result downloads as QCELP instantly. All processing runs in your browser.
What codec is used for QCELP?
The default codec for QCELP is QCELP. 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.