RA vs WMA
A detailed comparison of RealAudio and Windows Media Audio — file size, quality, compatibility, and which format to choose for your workflow.
RealAudio
Audio FilesRealAudio is a legacy streaming audio format from RealNetworks.
About RA filesWindows Media Audio
Audio FilesWMA is a proprietary Microsoft audio format from the Windows Media framework. Once common in the Windows ecosystem, it has been largely replaced by AAC and MP3 for general use.
About WMA filesStrengths Comparison
RA Strengths
- Extremely low-bitrate streaming viable on 1990s modems.
- Historic archive value for late-1990s broadcasting.
- Codec variants for voice and music (RAC, cook, sipr).
WMA Strengths
- Good quality at low bitrates (32-64 kbps) — outperformed MP3 in that range.
- Native playback on every Windows version 2000 through 10.
- Lossless variant available (WMA Lossless) for archiving.
- Supports multichannel 5.1 surround audio.
Limitations
RA Limitations
- Proprietary and commercially abandoned.
- No modern player auto-installs RealAudio support.
- RealNetworks damaged its own brand with aggressive adware.
- Modern replacements (Opus, HE-AAC) outperform RA at every bitrate.
WMA Limitations
- Proprietary — poor support outside Windows and Windows Media Player.
- DRM variants made files brittle — many purchased tracks became unplayable when stores shut down.
- Ecosystem abandoned — no modern editors, hardware decoders, or streaming services use WMA.
- Windows 11 deprecated Windows Media Player entirely.
Technical Specifications
| Specification | RA | WMA |
|---|---|---|
| MIME type | audio/vnd.rn-realaudio | audio/x-ms-wma |
| Extensions | .ra, .ram (playlist metadata) | — |
| Codecs | RealAudio Cook, ATRAC3, SIPR | — |
| Parent format | RealMedia (.rm) | — |
| Native player | RealPlayer (legacy) | — |
| Extension | — | .wma |
| Container | — | ASF (Advanced Systems Format) |
| Variants | — | WMA Standard, WMA Pro, WMA Lossless, WMA Voice |
| Max bitrate | — | 768 kbps (WMA Pro) |
Typical File Sizes
RA
- 5-min RealAudio news clip (20 kbps) ~750 KB
- 1-hour music stream (64 kbps) ~28 MB
WMA
- 3-min song (128 kbps) 3 MB
- 3-min song (Lossless) 25-35 MB
- 1-hour talk (64 kbps) 28 MB
Ready to convert?
Convert between RA and WMA online, free, and without installing anything. Encrypted upload, automatic deletion after 60 minutes.
Frequently Asked Questions
RA (RealAudio) is an audio file format used to store sound recordings — music, voice, podcasts, sound effects. The format defines how the audio samples are compressed (or stored raw), what bitrates are supported, and how metadata such as title, artist, album, and cover art is embedded. It is part of the audio files family.
RA (RealAudio) is an audio formatoo de arquivo used to store sound recordings — music, voice, podcasts, sound effects. The formato defines how the audio samples are comprimido (or stored raw), what bitrates are suportado, e how metadata como title, artist, album, e cover art is embedded. It is part of the audio arquivos family.
VLC, foobar2000, and the default media players on Windows and macOS handle RA natively. On mobile, iOS Music and Android media apps vary in their support — popular formats work everywhere; niche ones may need a dedicated app. If playback fails on a device, converting to MP3 or AAC usually solves it.
VLC, foobar2000, e the default media players no Windows e macOS handle RA natively. On mobile, iOS Music e Android media apps vary in their support — popular formatoos funcionar everywhere; niche ones may need a dedicated app. If playback fails em um device, convertendo to MP3 ou AAC Geralmente solves it.
Upload the RA to KaijuConverter and pick MP3, WAV, FLAC, AAC, OGG, or any other target. Our FFmpeg pipeline decodes the audio and re-encodes to the target format at sensible default bitrates (VBR ~190 kbps for music, 96 kbps for speech). Metadata and cover art travel with the audio where both formats support them.
RA can be lossy or lossless depending on the specific variant. Lossy variants (smaller files) discard some audio detail during compression in ways tuned to be inaudible; lossless variants preserve every sample exactly but produce larger files. For distribution, lossy at high bitrate is standard; for archival, lossless wins.