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QCP to DTS-HD - Online Audio Converter
Convert QCP to DTS-HD online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert QCP to DTS-HD
Drop QCP audio here or click to select
QCP
DTS-HD (DTS)
About QCP to DTS-HD
Convert QCP to DTS-HD. QCP wraps QCELP voice memos from CDMA handsets. DTS-HD adds lossless extensions over the DTS core track. Extension layers may not decode everywhere; verify channel count..
Why convert QCP to DTS-HD?
- Larger files than lossy shares with DTS-HD lossless quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
QCP vs DTS-HD
| Codec | QCP | DTS |
|---|---|---|
| Compression | lossy | lossless |
| Sample behavior | Quality set by bitrate | Full quality kept |
| Typical use | QCP wraps QCELP voice memos from CDMA handsets. | DTS-HD adds lossless extensions over the DTS core track. |
When not to convert QCP to DTS-HD
- Skip DTS-HD for the smallest share: lossless output stays large, so prefer a lossy target when sending QCP files.
- Keep a master copy: repeated exports stack small losses, so archive QCP before batch DTS-HD shares.
Limits
Starting point: QCP - QCP wraps QCELP voice memos from CDMA handsets. Same payload as QCELP under the handset file name. Extension layers may not decode everywhere; verify channel count. Encode DTS-HD (DTS) 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 DTS-HD?
Drop your QCP file onto this page, choose quality and codec settings, then click Convert. The result downloads as DTS-HD instantly. All processing runs in your browser.
What codec is used for DTS-HD?
The default codec for DTS-HD is DTS. 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.