RealAudio 28.8: Difference between revisions
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(An interesting discovery) |
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RealNetworks' 28.8 kbits/sec codec. Actual data rate is 15.2 kbits/sec. Variant of ITU-T G.728. | RealNetworks' 28.8 kbits/sec codec. Actual data rate is 15.2 kbits/sec. Variant of ITU-T G.728. | ||
RealAudio uses a reduced-bitrate variant of G.728. The original G.728 source code is available [ftp://svr-ftp.eng.cam.ac.uk/pub/comp.speech/coding/ldcelp-2.0.tar.gz here.] RealPlayer appears to be based on this implementation as the function names match those in the [http://wwwa2.kph.uni-mainz.de/ftp/pub/machines/linux/multimedia/v50b3_linux20elf.tar.gz RealPlayer 5 beta.] [FFmpeg]'s decoder is based on a different implementation. | |||
[[Category:Audio Codecs]] | [[Category:Audio Codecs]] | ||
Revision as of 06:22, 17 February 2006
- FOURCCs: 28_8
- Company: RealNetworks
RealNetworks' 28.8 kbits/sec codec. Actual data rate is 15.2 kbits/sec. Variant of ITU-T G.728.
RealAudio uses a reduced-bitrate variant of G.728. The original G.728 source code is available here. RealPlayer appears to be based on this implementation as the function names match those in the RealPlayer 5 beta. [FFmpeg]'s decoder is based on a different implementation.