All Tools
[ audio bench ]
QCP to WMA Pro - Online Audio Converter
Convert QCP to WMA Pro online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert QCP to WMA Pro
Drop QCP audio here or click to select
QCP
WMA Pro (WMA Pro)
About QCP to WMA Pro
Convert QCP to WMA Pro. QCP wraps QCELP voice memos from CDMA handsets. WMA Pro adds multichannel surround and higher resolutions to WMA. Surround mixes fold down to stereo on most converters..
Why convert QCP to WMA Pro?
- Smaller files with WMA Pro lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
QCP vs WMA Pro
| Codec | QCP | WMA Pro |
|---|---|---|
| Compression | lossy | lossy |
| Sample behavior | Quality set by bitrate | Quality set by bitrate |
| Typical use | QCP wraps QCELP voice memos from CDMA handsets. | WMA Pro adds multichannel surround and higher resolutions to WMA. |
When not to convert QCP to WMA Pro
- Skip WMA Pro 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 WMA Pro shares.
Limits
Starting point: QCP - QCP wraps QCELP voice memos from CDMA handsets. Same payload as QCELP under the handset file name. Surround mixes fold down to stereo on most converters. Encode WMA Pro (WMA Pro) 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.
Related conversions
FAQ
How do I convert QCP to WMA Pro?
Drop your QCP file onto this page, choose quality and codec settings, then click Convert. The result downloads as WMA Pro instantly. All processing runs in your browser.
What codec is used for WMA Pro?
The default codec for WMA Pro is WMA Pro. 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.