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hub / github.com/Edzelf/ESP32-Radio / CalcCovariance2

Function CalcCovariance2

lib/codecs/src/aac_decoder.cpp:8155–8202  ·  view source on GitHub ↗

* Function: CalcCovariance2 * * Description: calculate covariance matrix for p02 (4.6.18.6.2) * * Inputs: buffer of low-freq samples, starting at time index = 0, * freq index = patch subband * * Outputs: complex covariance element p02re, p02im * format = integer (Q0) * 2^N, with scalefactor N >= 0 * * Return: scalefactor N * * Notes: o

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Callers 1

CalcLPCoefsFunction · 0.85

Calls 3

CVKernel2Function · 0.85
CLZFunction · 0.70
FASTABSFunction · 0.70

Tested by

no test coverage detected