Bit Rate Reduction, or BRR, also called Bit Rate Reduced, is a name given to an audio compression method used on the SPC700 sound coprocessor used in the SNES, as well as the audio processors of the Philips CD-I and Sony PlayStation. The method is a form of ADPCM. BRR compresses each consecutive sequence of sixteen 16-bit PCM samples into a block ...
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http://en.wikipedia.org/wiki/Bit_Rate_Reduction
the processing of a digital video signal, to achieve a reduction in the bit rate whilst maintaining acceptable picture quality
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http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=723-05-96
the processing of a digital video signal to achieve a reduction in bit rate whilst maintaining acceptable picture quality NOTE 1 - Bit-rate reduction is achieved in source coding. NOTE 2 - In French, the associated verb is 'comprimer' and not 'compresser'.
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http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=723-10-33
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