FFmpeg: AacPsyBand Struct Reference

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Data Fields

AacPsyBand Struct Reference

information for single band used by 3GPP TS26.403-inspired psychoacoustic model More...

Data Fields

float energy

band energy More...

float thr

energy threshold More...

float thr_quiet

threshold in quiet More...

float nz_lines

number of non-zero spectral lines More...

float active_lines

number of active spectral lines More...

float pe

perceptual entropy More...

float pe_const

constant part of the PE calculation More...

float norm_fac

normalization factor for linearization More...

int avoid_holes

hole avoidance flag More...

Detailed Description

information for single band used by 3GPP TS26.403-inspired psychoacoustic model

Definition at line 105 of file aacpsy.c.

Field Documentation

float AacPsyBand::energy

band energy

Definition at line 106 of file aacpsy.c.

Referenced by calc_pe_3gpp(), calc_reduced_thr_3gpp(), and calc_thr_3gpp().

float AacPsyBand::thr

energy threshold

Definition at line 107 of file aacpsy.c.

Referenced by calc_pe_3gpp(), calc_reduced_thr_3gpp(), and calc_thr_3gpp().

float AacPsyBand::thr_quiet

threshold in quiet

Definition at line 108 of file aacpsy.c.

float AacPsyBand::nz_lines

number of non-zero spectral lines

Definition at line 109 of file aacpsy.c.

Referenced by calc_pe_3gpp(), and calc_thr_3gpp().

float AacPsyBand::active_lines

number of active spectral lines

Definition at line 110 of file aacpsy.c.

Referenced by calc_pe_3gpp().

float AacPsyBand::pe

perceptual entropy

Definition at line 111 of file aacpsy.c.

Referenced by calc_pe_3gpp().

float AacPsyBand::pe_const

constant part of the PE calculation

Definition at line 112 of file aacpsy.c.

Referenced by calc_pe_3gpp().

float AacPsyBand::norm_fac

normalization factor for linearization

Definition at line 113 of file aacpsy.c.

int AacPsyBand::avoid_holes

hole avoidance flag

Definition at line 114 of file aacpsy.c.

Referenced by calc_reduced_thr_3gpp().

The documentation for this struct was generated from the following file:

libavcodec/aacpsy.c

Generated on Wed Jun 10 2015 01:57:18 for FFmpeg by doxygen 1.8.6