#include <feature-functions.h>

Collaboration diagram for SlidingWindowCmnOptions:

Public Member Functions
	SlidingWindowCmnOptions ()

void	Register (OptionsItf *opts)

void	Check () const

Public Attributes
int32	cmn_window

int32	min_window

int32	max_warnings

bool	normalize_variance

bool	center

Detailed Description

Definition at line 158 of file feature-functions.h.

Constructor & Destructor Documentation

◆ SlidingWindowCmnOptions()

SlidingWindowCmnOptions ( )

inline

Definition at line 165 of file feature-functions.h.

                            :
       cmn_window(600),
       min_window(100),
       max_warnings(5),
       normalize_variance(false),
       center(false) { }

Member Function Documentation

◆ Check()

void Check ( ) const

Definition at line 242 of file feature-functions.cc.

References KALDI_ASSERT.

Referenced by kaldi::SlidingWindowCmnInternal().

                                           {
   KALDI_ASSERT(cmn_window > 0);
   if (center)
     KALDI_ASSERT(min_window > 0 && min_window <= cmn_window);
   // else ignored so value doesn't matter.
 }

◆ Register()

void Register ( OptionsItf * opts )

inline

Definition at line 172 of file feature-functions.h.

References OptionsItf::Register(), and kaldi::SlidingWindowCmn().

Referenced by main().

                                   {
     opts->Register("cmn-window", &cmn_window, "Window in frames for running "
                    "average CMN computation");
     opts->Register("min-cmn-window", &min_window, "Minimum CMN window "
                    "used at start of decoding (adds latency only at start). "
                    "Only applicable if center == false, ignored if center==true");
     opts->Register("max-warnings", &max_warnings, "Maximum warnings to report "
                    "per utterance. 0 to disable, -1 to show all.");
     opts->Register("norm-vars", &normalize_variance, "If true, normalize "
                    "variance to one."); // naming this as in apply-cmvn.cc
     opts->Register("center", &center, "If true, use a window centered on the "
                    "current frame (to the extent possible, modulo end effects). "
                    "If false, window is to the left.");
   }