RealAudio to HE-AAC - Online Audio Converter
Convert RealAudio to HE-AAC online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About RealAudio to HE-AAC
Convert RealAudio to HE-AAC. RealAudio streams speech and music from the RealPlayer era. HE-AAC adds spectral band replication for efficient low-bitrate streaming. Needs an HE-AAC decoder; plain AAC players may play only half the bandwidth..
Why convert RealAudio to HE-AAC?
- Smaller files with HE-AAC lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
RealAudio vs HE-AAC
| Codec | RealAudio | AAC (HE) |
|---|---|---|
| Compression | lossy | lossy |
| Sample behavior | Quality set by bitrate | Quality set by bitrate |
| Typical use | RealAudio streams speech and music from the RealPlayer era. | HE-AAC adds spectral band replication for efficient low-bitrate streaming. |
When not to convert RealAudio to HE-AAC
- Skip HE-AAC for archival masters: lossy compression discards detail, so keep the RealAudio original.
- Keep a master copy: repeated exports stack small losses, so archive RealAudio before batch HE-AAC shares.
Limits
Starting point: RealAudio - RealAudio streams speech and music from the RealPlayer era. Cook and ATRAC flavors differ; confirm before converting. Needs an HE-AAC decoder; plain AAC players may play only half the bandwidth. Encode HE-AAC (AAC (HE)) 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.