libsent/include/sent/htk_defs.h File Reference

Symbol definitions for HTK HMM and HTK parameter. More...

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Data Structures
struct	OptionStr
	Structure for decoding/encoding parameter type code. More...
Defines
#define	F_ENERGY   0x0040
	_E log energy coef.
#define	F_ENERGY_SUP   0x0080
	_N (with _E) suppress absolute energy
#define	F_DELTA   0x0100
	_D delta (first-order regression) coef.
#define	F_ACCL   0x0200
	_A (with _D) acceleration (second-order) coef.
#define	F_COMPRESS   0x0400
	_C compressed
#define	F_CEPNORM   0x0800
	_Z cepstral mean normalization
#define	F_CHECKSUM   0x1000
	_K CRC checksum added
#define	F_ZEROTH   0x2000
	_0 (with MFCC) 0'th cepstral parameter
#define	F_BASEMASK   0x003f
	Mask to extract qualifiers.
#define	BINHMM_HEADER   "JBINHMM\n"
	Header string to detect binary HMM file.
#define	BINHMM_HEADER_V2   "JBINHMMV2"
	Header string for binary HMM file V2 (parameter embedded).
#define	BINHMM_HEADER_V2_EMBEDPARA   'P'
	A header qualifier string for V2: acoustic analysis parameter embedded.
#define	BINHMM_HEADER_V2_VARINV   'V'
	A header qualifier string for V2: variance inversed.
Enumerations
enum	parameter_type {   F_WAVEFORM, F_LPC, F_LPREFC, F_LPCEPSTRA,   F_LPDELCEP, F_IREFC, F_MFCC, F_FBANK,   F_MELSPEC, F_USER, F_DISCRETE, F_ERR_INVALID }
	Definition of input parameter types derived from HTK. More...
enum	{   C_DIAG_C, C_INV_DIAG, C_FULL, C_LLT,   C_XFORM }
	Covariance matrix types: only C_INV_DIAG is supported in Julius. More...
enum	{ D_NULL, D_POISSON, D_GAMMA, D_GEN }
	Duration model types: No duration model is supported in Julius, so only D_NULL is acceptable. More...

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Detailed Description

Symbol definitions for HTK HMM and HTK parameter.

Author:

Akinobu LEE

Date:

Thu Feb 10 19:36:47 2005

This file defines symbols for HMM parameter definition needed for both HMM definition file and HMM parameter file.

See also:

htk_hmm.h

htk_param.h

Revision

1.5

Definition in file htk_defs.h.

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Enumeration Type Documentation

enum parameter_type

Definition of input parameter types derived from HTK.

Enumerator:

F_WAVEFORM	Waveform format.
F_LPC	LPC --- linear prediction coef.
F_LPREFC	linear prediction refrection coef.
F_LPCEPSTRA	LPC cepstrum.
F_MFCC	mel-frequency cepstral coef.
F_FBANK	log-scale filterbank parameter
F_MELSPEC	mel-scale filterbank parameter
F_DISCRETE	discrete
F_ERR_INVALID	ERROR.

Definition at line 40 of file htk_defs.h.

anonymous enum

Covariance matrix types: only C_INV_DIAG is supported in Julius.

Enumerator:

C_DIAG_C	(not supported) Diagonal covariance
C_INV_DIAG	Inversed diagonal covaritance.
C_FULL	(not supported) Full covariance
C_LLT	(not supported)

Definition at line 68 of file htk_defs.h.

anonymous enum

Duration model types: No duration model is supported in Julius, so only D_NULL is acceptable.

Enumerator:

D_NULL	No duration model.
D_POISSON	(not supported)
D_GAMMA	(not supported)

Definition at line 76 of file htk_defs.h.

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