#include <decodable-online-looped.h>

Inheritance diagram for DecodableAmNnetLoopedOnline:

Collaboration diagram for DecodableAmNnetLoopedOnline:

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Public Member Functions
	DecodableAmNnetLoopedOnline (const TransitionModel &trans_model, const DecodableNnetSimpleLoopedInfo &info, OnlineFeatureInterface input_features, OnlineFeatureInterface ivector_features)

virtual int32	NumIndices () const
	Returns the number of states in the acoustic model (they will be indexed one-based, i.e. More...

virtual BaseFloat	LogLikelihood (int32 subsampled_frame, int32 transition_id)
	Returns the log likelihood, which will be negated in the decoder. More...

Public Member Functions inherited from DecodableNnetLoopedOnlineBase
	DecodableNnetLoopedOnlineBase (const DecodableNnetSimpleLoopedInfo &info, OnlineFeatureInterface input_features, OnlineFeatureInterface ivector_features)

virtual bool	IsLastFrame (int32 subsampled_frame) const
	Returns true if this is the last frame. More...

virtual int32	NumFramesReady () const
	The call NumFramesReady() will return the number of frames currently available for this decodable object. More...

int32	FrameSubsamplingFactor () const

void	SetFrameOffset (int32 frame_offset)
	Sets the frame offset value. More...

int32	GetFrameOffset () const
	Returns the frame offset value. More...

Public Member Functions inherited from DecodableInterface
virtual	~DecodableInterface ()

Private Member Functions
	KALDI_DISALLOW_COPY_AND_ASSIGN (DecodableAmNnetLoopedOnline)

Private Attributes
const TransitionModel &	trans_model_

Additional Inherited Members
Protected Member Functions inherited from DecodableNnetLoopedOnlineBase
void	EnsureFrameIsComputed (int32 subsampled_frame)
	If the neural-network outputs for this frame are not cached, this function computes them (and possibly also some later frames). More...

Protected Attributes inherited from DecodableNnetLoopedOnlineBase
Matrix< BaseFloat >	current_log_post_

int32	num_chunks_computed_

int32	current_log_post_subsampled_offset_

const DecodableNnetSimpleLoopedInfo &	info_

int32	frame_offset_

Detailed Description

Definition at line 183 of file decodable-online-looped.h.

Constructor & Destructor Documentation

◆ DecodableAmNnetLoopedOnline()

DecodableAmNnetLoopedOnline	(	const TransitionModel &	trans_model,
		const DecodableNnetSimpleLoopedInfo &	info,
		OnlineFeatureInterface *	input_features,
		OnlineFeatureInterface *	ivector_features
	)

inline

Definition at line 185 of file decodable-online-looped.h.

                                                :
       DecodableNnetLoopedOnlineBase(info, input_features, ivector_features),
       trans_model_(trans_model) { }

Member Function Documentation

◆ KALDI_DISALLOW_COPY_AND_ASSIGN()

KALDI_DISALLOW_COPY_AND_ASSIGN ( DecodableAmNnetLoopedOnline )

private

◆ LogLikelihood()

BaseFloat LogLikelihood	(	int32	frame,
		int32	index
	)

virtual

Returns the log likelihood, which will be negated in the decoder.

The "frame" starts from zero. You should verify that NumFramesReady() > frame before calling this.

Implements DecodableInterface.

Definition at line 249 of file decodable-online-looped.cc.

References DecodableNnetLoopedOnlineBase::current_log_post_, DecodableNnetLoopedOnlineBase::current_log_post_subsampled_offset_, DecodableNnetLoopedOnlineBase::EnsureFrameIsComputed(), and DecodableNnetLoopedOnlineBase::frame_offset_.

                                                                  {
   subsampled_frame += frame_offset_;
   EnsureFrameIsComputed(subsampled_frame);
   return current_log_post_(
       subsampled_frame - current_log_post_subsampled_offset_,
       trans_model_.TransitionIdToPdfFast(index));
 }