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AMR to xHE-AAC - Online Audio Converter
Convert AMR to xHE-AAC online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AMR to xHE-AAC
Drop AMR audio here or click to select
AMR
xHE-AAC (AAC (xHE))
About AMR to xHE-AAC
Convert AMR to xHE-AAC. AMR encodes narrowband speech for GSM calls at 12.2 kbps and below. xHE-AAC unifies speech and music coding with loudness normalization. Needs a current decoder; fall back to AAC for older devices..
Why convert AMR to xHE-AAC?
- Smaller files with xHE-AAC lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AMR vs xHE-AAC
| Codec | AMR-NB | AAC (xHE) |
|---|---|---|
| Compression | lossy | lossy |
| Sample behavior | Quality set by bitrate | Quality set by bitrate |
| Typical use | AMR encodes narrowband speech for GSM calls at 12.2 kbps and below. | xHE-AAC unifies speech and music coding with loudness normalization. |
When not to convert AMR to xHE-AAC
- Skip xHE-AAC for archival masters: lossy compression discards detail, so keep the AMR original.
- Keep a master copy: repeated exports stack small losses, so archive AMR before batch xHE-AAC 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 a current decoder; fall back to AAC for older devices. Encode xHE-AAC (AAC (xHE)) 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 xHE-AAC?
Drop your AMR 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.