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Energy quantization tuning.

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Prediction coefficient now depends on the frame size. Also, the pdfs and means
have been adjusted and better quantized. This breaks compatibility of course.
This commit is contained in:
Jean-Marc Valin 2010-07-23 16:10:36 -04:00
parent 2ed05631f8
commit ca6533cd88
6 changed files with 28 additions and 30 deletions
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1
libcelt/modes.c
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@ -334,7 +334,6 @@ CELTMode *celt_mode_create(celt_int32 Fs, int frame_size, int *error)
goto failure;
mode->marker_start = MODEPARTIAL;
mode->Fs = Fs;
mode->ePredCoef = QCONST16(.8f,15);
/* Pre/de-emphasis depends on sampling rate. The "standard" pre-emphasis
is defined as A(z) = 1 - 0.85*z^-1 at 48 kHz. Other rates should