__hmmwork__ Struct Reference

Work area and cache for HMM computation. More...

#include <hmm_calc.h>

Collaboration diagram for __hmmwork__:

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Data Fields
LOGPROB(*	calc_outprob )(struct __hmmwork__ *)
	Function to compute output probability with/without code book level cache.
LOGPROB(*	calc_outprob_state )(struct __hmmwork__ *)
	Function to compute state output with/without GMS support.
void(*	compute_gaussset )(struct __hmmwork__ *, HTK_HMM_Dens **g, int num, int *last_id, int lnum)
	Pruning function to compute likelihood of a mixture component.
boolean(*	compute_gaussset_init )(struct __hmmwork__ *)
	Initialization function that corresponds to compute_gaussset.
void(*	compute_gaussset_free )(struct __hmmwork__ *)
	Function to Free above.
HTK_HMM_INFO *	OP_hmminfo
	Current HMM definition data.
HTK_HMM_INFO *	OP_gshmm
	Current GMS HMM data.
HTK_Param *	OP_param
	Current parameter.
int	OP_gprune_num
	Current number of computed mixtures for pruning.
int	OP_time
	Current time.
int	OP_last_time
	last time
HTK_HMM_State *	OP_state
	Current state.
int	OP_state_id
	Current state ID.
short	OP_nstream
	Number of input stream (copy from header).
VECT *	OP_vec_stream [MAXSTREAMNUM]
	input vector for each stream at current frame
short	OP_veclen_stream [MAXSTREAMNUM]
	vector length for each stream
VECT *	OP_vec
	Current input vector to be computed.
short	OP_veclen
	Current vector length to be computed.
int	OP_calced_maxnum
	Allocated length of below.
LOGPROB *	OP_calced_score
	Scores of computed mixtures.
int *	OP_calced_id
	IDs of computed mixtures.
int	OP_calced_num
	Number of computed mixtures.
int	statenum
	Local work area that holds total number of HMM states in the HMM definition data.
LOGPROB **	outprob_cache
	State-level cache [t][stateid].
int	outprob_allocframenum
	Allocated frames of the cache.
BMALLOC_BASE *	croot
	Root alloc pointer to state outprob cache.
LOGPROB *	last_cache
	Local work are to hold cache list of current time.
MIXCACHE ***	mixture_cache
	Codebook cache: [time][book_id][0..computed_mixture_num].
short **	mixture_cache_num
	Num of mixtures to be calculated and stored in mixture_cache.
BMALLOC_BASE *	mroot
	Root alloc pointer to state outprob cache.
int *	tmix_last_id
	List of computed mixture id on the previous input frame.
int	tmix_allocframenum
	Allocated frame length of codebook cache.
boolean *	mixcalced
	Mark which Gaussian has been computed.
LOGPROB *	dimthres
	Threshold for each dimension (inversed).
int	dimthres_num
	Length of above.
LOGPROB *	backmax
	Backward sum of max for each dimension (inversed).
int	backmax_num
	Length of above.
LOGPROB *	cd_nbest_maxprobs
	Work area that holds N-best state scores for pseudo state set.
int	cd_nbest_maxn
	Allocated length of above.
int	my_nbest
	Number of states to be selected.
int	gms_allocframenum
	Allocated number of frame for storing fallback scores per frame.
GS_SET *	gsset
	Set of GS states.
int	gsset_num
	Num of above.
int *	state2gs
	Mapping from triphone state id to gs id.
boolean *	gms_is_selected
	TRUE if the frame is already selected.
LOGPROB **	fallback_score
	[t][gssetid], LOG_ZERO if selected
int *	gsindex
	Index buffer.
LOGPROB *	t_fs
	Current fallback_score.
int **	gms_last_max_id_list
	maximum mixture id of last call for each states

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Detailed Description

Work area and cache for HMM computation.

Definition at line 65 of file hmm_calc.h.

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

• libsent/include/sent/hmm_calc.h

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