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Line 5: [[File:SubBandCoding.svg\|thumb\|500px\|Sub-band coding and decoding signal flow diagram]] In [[signal processing]], '''~~sub-band~~subband coding''' ('''SBC''') is any form of [[transform coding]] that breaks a signal into a number of different [[frequency band]]s, typically by using a [[fast Fourier transform]], and encodes each one independently. This decomposition is often the first step in data compression for audio and video signals. SBC is the core technique used in many popular [[lossy audio compression]] algorithms including [[MP3]].

Sub-band coding: Difference between revisions