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RealAudio at a glance
RealAudio
RealAudio belongs to the mid-1990s streaming-media wave, when proprietary players and codecs were central to how online audio reached end users over limited bandwidth connections.
MS ADPCM at a glance
MS ADPCM
MSADPCM reflects the Windows multimedia era, when application and operating-system media stacks defined many practical interchange expectations for everyday audio assets.
Format comparison
| Feature | RealAudio | MS ADPCM |
|---|---|---|
| File type | Audio | Audio |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1995 | 1992 |
| Inventor | RealNetworks (Rob Glaser) | Microsoft |
| Status | legacy | active |
| Primary use cases |
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| Multitrack support | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Supported | Not supported |
When to use each format
When to use RealAudio
- Your source file is already in RealAudio.
- Preserve source expectations before exporting to MS ADPCM.
- RealAudio is commonly used in audio workflows.
When to use MS ADPCM
- Your target workflow expects MS ADPCM.
- Improve delivery compatibility with MS ADPCM.
- MS ADPCM is commonly used in audio workflows.
FAQs
Why convert RealAudio to MS ADPCM?
Compact WAV audio for legacy Windows applications, game engines requiring ADPCM-compressed audio, and compatibility with DirectSound and Windows multimedia.
What changes when converting RealAudio to MS ADPCM?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to MS ADPCM removes streaming delivery.
What should I review after converting RealAudio to MS ADPCM?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.