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Computing (FOLDOC) dictionary
Spectral Band Replication
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audio, compression (SBR) Guessing the nontransmitted higher
frequency range of a compressed audio file by some helper bits
(transmiited with the stream) and the transmitted base band.
SBR allows a restoration (not reconstruction) of the upper
frequency range without lots of bits. It was developed by
useful for medium and high quality coding at low and medium
data rates. It is used by Digital Radio Mondiale and MP3Pro.