Real Lossless Codec: Difference between revisions
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bytes 0- 3 - codec FOURCC, always "LSD:" | bytes 0- 3 - codec FOURCC, always "LSD:" | ||
bytes 4- 5 - version | bytes 4- 5 - version | ||
bytes 8- 9 - number of channels | bytes 8- 9 - number of channels | ||
bytes 10-11 - bits per sample | bytes 10-11 - bits per sample | ||
bytes 12-15 - sampling rate | bytes 12-15 - sampling rate | ||
bytes 16-19 - block size in samples? | bytes 16-19 - block size in samples? | ||
bytes 20-23 - | bytes 20-23 - ignored? | ||
Known decoder support only 1/2 channel 16-bit audio with sampling rate up to 96 kHz. | |||
[[Category:Undiscovered Audio Codecs]] | [[Category:Undiscovered Audio Codecs]] | ||
[[Category:Lossless Audio Codecs]] | [[Category:Lossless Audio Codecs]] | ||
[[Category:Audio Codecs]] | [[Category:Audio Codecs]] | ||
Revision as of 04:17, 10 March 2012
- FOURCCs: ralf
- Company: RealNetworks
- Samples: http://samples.mplayerhq.hu/A-codecs/lossless/ (luckynight.rmvb)
This is RealNetworks lossless audio codec.
Audio header in rm files is different from other Real audio codecs; the interface of the binary decoder is also different.
Extradata format
Numbers are stored big-endian.
bytes 0- 3 - codec FOURCC, always "LSD:" bytes 4- 5 - version bytes 8- 9 - number of channels bytes 10-11 - bits per sample bytes 12-15 - sampling rate bytes 16-19 - block size in samples? bytes 20-23 - ignored?
Known decoder support only 1/2 channel 16-bit audio with sampling rate up to 96 kHz.