Figure 1From: An Overview of the Coding Standard MPEG-4 Audio Amendments 1 and 2: HE-AAC, SSC, and HE-AAC v2SBR incorporates pre- and postprocessing stages: SBR parameters are extracted from the input signal in the SBR encoder and transmitted together with the encoded low-band signal. The decoded low-band signal is bandwidth extended by the SBR decoder, spectrally adjusted and enhanced in accordance with the transmitted SBR data.Back to article page