RealMedia
From Wikipedia, the free encyclopedia
RealMedia is a multimedia container format created by RealNetworks. Its extension is ".rm". It is typically used in conjunction with RealVideo and RealAudio and is popular for streaming content over the internet.
Typically these streams are in CBR (constant bit rate).
Recently RealNetworks has developed a new container for VBR (variable bit rate) streams, named RealMedia variable bitrate (RMVB).
Support of RealMedia is available in a wide variety of multimedia players for different architectures/platforms.
[edit] See also
- Container format
- Comparison of container formats
- Comparison of media players
- RealVideo codecs
- RealAudio codecs
- Helix Community - the open source project from RealNetworks
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| Multimedia compression formats | ||||||
|---|---|---|---|---|---|---|
| Video compression formats | ISO/IEC | MPEG-1 | MPEG-2 | MPEG-4 | MPEG-4/AVC | ITU-T | H.261 | H.262 | H.263 | H.264 | Others | AVS | Dirac | Indeo | MJPEG | RealVideo | VC-1 | Theora | VP6 | VP7 | WMV |
| Audio compression formats | ISO/IEC MPEG | MPEG-1 Layer III (MP3) | MPEG-1 Layer II | AAC | HE-AAC | ITU-T | G.711 | G.722 | G.722.1 | G.722.2 | G.723 | G.723.1 | G.726 | G.728 | G.729 | G.729.1 | G.729a | Others | AC3 | ATRAC | FLAC | iLBC | Monkey's Audio | Musepack | RealAudio | SHN | Speex | Vorbis | WavPack | WMA |
| Image compression formats | ISO/IEC/ITU-T | JPEG | JPEG 2000 | JPEG-LS | JBIG | JBIG2 | -- | -- | Others | BMP | GIF | ILBM | PCX | PNG | TGA | TIFF | WMP |
| Media container formats | General | 3GP | ASF | AVI | FLV | Matroska | MP4 | MXF | NUT | Ogg | Ogg Media | QuickTime | RealMedia | Audio only | AIFF | AU | WAV | -- | -- |
