AacPsyBand Struct Reference

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

Data Fields
float	energy
	band energy
float	thr
	energy threshold
float	thr_quiet
	threshold in quiet
float	nz_lines
	number of non-zero spectral lines
float	active_lines
	number of active spectral lines
float	pe
	perceptual entropy
float	pe_const
	constant part of the PE calculation
float	norm_fac
	normalization factor for linearization
int	avoid_holes
	hole avoidance flag

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Detailed Description

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

Definition at line 102 of file aacpsy.c.

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Field Documentation

float AacPsyBand::active_lines

number of active spectral lines

Definition at line 107 of file aacpsy.c.

Referenced by calc_pe_3gpp().

int AacPsyBand::avoid_holes

hole avoidance flag

Definition at line 111 of file aacpsy.c.

Referenced by calc_reduced_thr_3gpp().

float AacPsyBand::energy

band energy

Definition at line 103 of file aacpsy.c.

Referenced by calc_pe_3gpp(), and calc_reduced_thr_3gpp().

float AacPsyBand::norm_fac

normalization factor for linearization

Definition at line 110 of file aacpsy.c.

float AacPsyBand::nz_lines

number of non-zero spectral lines

Definition at line 106 of file aacpsy.c.

Referenced by calc_pe_3gpp().

float AacPsyBand::pe

perceptual entropy

Definition at line 108 of file aacpsy.c.

Referenced by calc_pe_3gpp().

float AacPsyBand::pe_const

constant part of the PE calculation

Definition at line 109 of file aacpsy.c.

Referenced by calc_pe_3gpp().

float AacPsyBand::thr

energy threshold

Definition at line 104 of file aacpsy.c.

Referenced by calc_pe_3gpp(), and calc_reduced_thr_3gpp().

float AacPsyBand::thr_quiet

threshold in quiet

Definition at line 105 of file aacpsy.c.

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

• libavcodec/aacpsy.c