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low-rate fixes

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This commit is contained in:
Christian R. Helmrich
2020-03-10 00:00:29 +01:00
parent 07a448a1f6
commit 0cbfa8c995
5 changed files with 47 additions and 25 deletions
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3
src/lib/specGapFilling.cpp
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@ -24,7 +24,7 @@ SpecGapFiller::SpecGapFiller ()
// public functions
uint8_t SpecGapFiller::getSpecGapFillParams (const SfbQuantizer& sfbQuantizer, const uint8_t* const quantMagn,
const uint8_t numSwbShort, SfbGroupData& grpData /*modified*/,
const unsigned nSamplesInFrame /*= 1024*/)
const unsigned nSamplesInFrame /*= 1024*/, const uint8_t specFlat /*= 0*/)
{
const unsigned* const coeffMagn = sfbQuantizer.getCoeffMagnPtr ();
const double* const sfNormFacs = sfbQuantizer.getSfNormTabPtr ();
@ -166,6 +166,7 @@ uint8_t SpecGapFiller::getSpecGapFillParams (const SfbQuantizer& sfbQuantizer, c
s = 0;
#endif
u = __min (7, uint16_t (14.47118288 + 9.965784285 * log10 (magnSum / (double) u)));
u = __max (1, u - int (specFlat >> 5)); // SFM-adaptive reduction
magnSum = pow (2.0, (14 - u) / 3.0); // noiseVal^-1, 23003-3, 7.2