FFmpeg
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 108 of file aacpsy.c.

Field Documentation

float AacPsyBand::energy

band energy

Definition at line 109 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 110 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 111 of file aacpsy.c.

float AacPsyBand::nz_lines

number of non-zero spectral lines

Definition at line 112 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 113 of file aacpsy.c.

Referenced by calc_pe_3gpp().

float AacPsyBand::pe

perceptual entropy

Definition at line 114 of file aacpsy.c.

Referenced by calc_pe_3gpp().

float AacPsyBand::pe_const

constant part of the PE calculation

Definition at line 115 of file aacpsy.c.

Referenced by calc_pe_3gpp().

float AacPsyBand::norm_fac

normalization factor for linearization

Definition at line 116 of file aacpsy.c.

int AacPsyBand::avoid_holes

hole avoidance flag

Definition at line 117 of file aacpsy.c.

Referenced by calc_reduced_thr_3gpp().


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