QMF Main Functions
These functions perform main operations: transform time domain samples from the core decoder to the SBR-processed subband signals and vice versa.
- AnalysisFilter_SBR
Transforms time domain signal output from the core decoder into frequency subband signals.
- SynthesisFilter_SBR
Transforms SBR-processed subband signals into time domain samples.
- SynthesisDownFilter_SBR
Transforms SBR-processed subband signals into time domain samples and performs downsampling at the same time.
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