#include <online-feature.h>

Collaboration diagram for OnlineCmvnOptions:

Public Member Functions
	OnlineCmvnOptions ()

void	Check () const

void	Register (ParseOptions *po)

Public Attributes
int32	cmn_window

int32	speaker_frames

int32	global_frames

bool	normalize_mean

bool	normalize_variance

int32	modulus

int32	ring_buffer_size

std::string	skip_dims

Detailed Description

Definition at line 203 of file online-feature.h.

Constructor & Destructor Documentation

◆ OnlineCmvnOptions()

OnlineCmvnOptions ( )

inline

Definition at line 219 of file online-feature.h.

                      :
       cmn_window(600),
       speaker_frames(600),
       global_frames(200),
       normalize_mean(true),
       normalize_variance(false),
       modulus(20),
       ring_buffer_size(20),
       skip_dims("") { }

Member Function Documentation

◆ Check()

void Check ( ) const

inline

Definition at line 229 of file online-feature.h.

References KALDI_ASSERT.

                      {
     KALDI_ASSERT(speaker_frames <= cmn_window && global_frames <= speaker_frames
                  && modulus > 0);
   }

◆ Register()

void Register ( ParseOptions * po )

inline

Definition at line 234 of file online-feature.h.

References ParseOptions::Register().

Referenced by main().

                                   {
     po->Register("cmn-window", &cmn_window, "Number of frames of sliding "
                  "context for cepstral mean normalization.");
     po->Register("global-frames", &global_frames, "Number of frames of "
                  "global-average cepstral mean normalization stats to use for "
                  "first utterance of a speaker");
     po->Register("speaker-frames", &speaker_frames, "Number of frames of "
                  "previous utterance(s) from this speaker to use in cepstral "
                  "mean normalization");
     // we name the config string "norm-vars" for compatibility with
     // ../featbin/apply-cmvn.cc
     po->Register("norm-vars", &normalize_variance, "If true, do "
                  "cepstral variance normalization in addition to cepstral mean "
                  "normalization ");
     po->Register("norm-means", &normalize_mean, "If true, do mean normalization "
                  "(note: you cannot normalize the variance but not the mean)");
     po->Register("skip-dims", &skip_dims, "Dimensions to skip normalization of "
                  "(colon-separated list of integers)");}