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RealAudio to AU - Online Audio Converter
Convert RealAudio to AU online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert RealAudio to AU
Drop RealAudio audio here or click to select
RealAudio, RAM, RM
AU (PCM 16-bit)
About RealAudio to AU
Convert RealAudio to AU. RealAudio streams speech and music from the RealPlayer era. AU is Sun's simple container, usually holding 8 kHz telephony audio. Headers are minimal; verify sample rate after conversion..
Why convert RealAudio to AU?
- Larger files than lossy shares with AU uncompressed quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
RealAudio vs AU
| Codec | RealAudio | PCM 16-bit |
|---|---|---|
| Compression | lossy | uncompressed |
| Sample behavior | Quality set by bitrate | Full quality kept |
| Typical use | RealAudio streams speech and music from the RealPlayer era. | AU is Sun's simple container, usually holding 8 kHz telephony audio. |
When not to convert RealAudio to AU
- Skip AU for the smallest share: lossless output stays large, so prefer a lossy target when sending RealAudio files.
- Keep a master copy: repeated exports stack small losses, so archive RealAudio before batch AU shares.
Limits
Starting point: RealAudio - RealAudio streams speech and music from the RealPlayer era. Cook and ATRAC flavors differ; confirm before converting. Headers are minimal; verify sample rate after conversion. Encode AU (PCM 16-bit) from RealAudio 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 RealAudio to AU?
Drop your RealAudio file onto this page, choose quality and codec settings, then click Convert. The result downloads as AU instantly. All processing runs in your browser.
What codec is used for AU?
The default codec for AU is PCM 16-bit. 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.