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AMR to Dolby TrueHD - Online Audio Converter
Convert AMR to Dolby TrueHD online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AMR to Dolby TrueHD
Drop AMR audio here or click to select
AMR
Dolby TrueHD (TrueHD)
About AMR to Dolby TrueHD
Convert AMR to Dolby TrueHD. AMR encodes narrowband speech for GSM calls at 12.2 kbps and below. Dolby TrueHD carries lossless Atmos on Blu-ray discs. Needs HDMI-class bandwidth; convert FLAC for portable use..
Why convert AMR to Dolby TrueHD?
- Larger files than lossy shares with Dolby TrueHD lossless quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AMR vs Dolby TrueHD
| Codec | AMR-NB | TrueHD |
|---|---|---|
| Compression | lossy | lossless |
| Sample behavior | Quality set by bitrate | Full quality kept |
| Typical use | AMR encodes narrowband speech for GSM calls at 12.2 kbps and below. | Dolby TrueHD carries lossless Atmos on Blu-ray discs. |
When not to convert AMR to Dolby TrueHD
- Skip Dolby TrueHD for the smallest share: lossless output stays large, so prefer a lossy target when sending AMR files.
- Keep a master copy: repeated exports stack small losses, so archive AMR before batch Dolby TrueHD shares.
Limits
Starting point: AMR - AMR encodes narrowband speech for GSM calls at 12.2 kbps and below. Tuned for voice calls, so music loses detail by design. Needs HDMI-class bandwidth; convert FLAC for portable use. Encode Dolby TrueHD (TrueHD) from AMR 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 AMR to Dolby TrueHD?
Drop your AMR file onto this page, choose quality and codec settings, then click Convert. The result downloads as Dolby TrueHD instantly. All processing runs in your browser.
What codec is used for Dolby TrueHD?
The default codec for Dolby TrueHD is TrueHD. 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.