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QCP to xHE-AAC - Online Audio Converter
Convert QCP to xHE-AAC online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert QCP to xHE-AAC
Drop QCP audio here or click to select
QCP
xHE-AAC (AAC (xHE))
About QCP to xHE-AAC
Convert QCP to xHE-AAC. QCP wraps QCELP voice memos from CDMA handsets. xHE-AAC unifies speech and music coding with loudness normalization. Needs a current decoder; fall back to AAC for older devices..
Why convert QCP to xHE-AAC?
- Smaller files with xHE-AAC lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
QCP vs xHE-AAC
| Codec | QCP | AAC (xHE) |
|---|---|---|
| Compression | lossy | lossy |
| Sample behavior | Quality set by bitrate | Quality set by bitrate |
| Typical use | QCP wraps QCELP voice memos from CDMA handsets. | xHE-AAC unifies speech and music coding with loudness normalization. |
When not to convert QCP to xHE-AAC
- Skip xHE-AAC 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 xHE-AAC shares.
Limits
Starting point: QCP - QCP wraps QCELP voice memos from CDMA handsets. Same payload as QCELP under the handset file name. Needs a current decoder; fall back to AAC for older devices. Encode xHE-AAC (AAC (xHE)) 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 xHE-AAC?
Drop your QCP file onto this page, choose quality and codec settings, then click Convert. The result downloads as xHE-AAC instantly. All processing runs in your browser.
What codec is used for xHE-AAC?
The default codec for xHE-AAC is AAC (xHE). 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.