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PCM to xHE-AAC - Online Audio Converter
Convert PCM to xHE-AAC online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert PCM to xHE-AAC
Drop PCM audio here or click to select
PCM
xHE-AAC (AAC (xHE))
About PCM to xHE-AAC
Convert PCM to xHE-AAC. PCM is raw pulse-code samples with no container or headers. xHE-AAC unifies speech and music coding with loudness normalization. Needs a current decoder; fall back to AAC for older devices..
Why convert PCM to xHE-AAC?
- Smaller files with xHE-AAC lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
PCM vs xHE-AAC
| Codec | PCM 16-bit | AAC (xHE) |
|---|---|---|
| Compression | uncompressed | lossy |
| Sample behavior | Full quality kept | Quality set by bitrate |
| Typical use | PCM is raw pulse-code samples with no container or headers. | xHE-AAC unifies speech and music coding with loudness normalization. |
When not to convert PCM to xHE-AAC
- Skip xHE-AAC for archival masters: lossy compression discards detail, so keep the PCM original.
- Keep a master copy: repeated exports stack small losses, so archive PCM before batch xHE-AAC shares.
Limits
Starting point: PCM - PCM is raw pulse-code samples with no container or headers. Sample rate and width must be set by hand since headers carry none. Needs a current decoder; fall back to AAC for older devices. Encode xHE-AAC (AAC (xHE)) from PCM 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 PCM to xHE-AAC?
Drop your PCM 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.