NAME

       ch_lab — change/copy label files

SYNOPSIS

       ch_lab  [-S frame spacing] [-start time] [-end time] [-ext file extension] [-extract file] [-extend time]
              [-f  sample  frequency]  [-lf   sample   frequency]   [-itype   file   type]   [-key   key   file]
              [-lablist  list  of  labels]  [-length  time]  [-map map file] [-name feature name] [-class class]
              [-o output file] [-otype file type] [-pad  high  |  low]  [-pos  list  of  labels]  [-q  timestep]
              [-range  range]  [-sed  sed  file] [fl shift time delta] [-style output stype] [-vocab vocab file]
              [-verify] [-nopath] [-base] [-combine] [-divide] [-h] input files ...

DESCRIPTION

       ch_lab copies from one or more input label files to an output label file, optionally  performing  various
       operations along the way.

       The following option flags are recognized:

             -h    Print a summary of usage to standard output.
             -S frame spacing
                   frame spacing of output
             -start time
                   start time, in seconds, for label extraction
             -end time
                   end time, in seconds, for label extraction
             -ext file extension
                   filename extension to use for multiple output files
             -extract file
                   extract a single file from a list of files
             -extend time
                   extend track file by time seconds beyond label file
             -f sample frequency
                   sample frequency of label file
             -lf sample frequency
                   sample frequency for labels
             -itype file type
                   type of input label file: esps htk ogi
             -key key file
                   key label file
             -lablist list
                   list of labels to be considered as blank
             -length time
                   length of track produced, in seconds
             -map map file
                   label mapping file
             -name feature name
                   eg. Fo Phoneme
             -class class
                   name of class defined in op file
             -o output file
                   output file name
             -otype file type
                   output file type: xmg, ascii, esps, htk
             -pad high | low
                   pad with high or low values
             -pos list
                   list of labels to be regarded as 'pos'
             -q timestep
                   quantize label timings to nearst value
             -range range
                   difference between high and low values
             -sed sed file
                   perform regex editing using sed file
             fl shift time delta
                   shift the times of the labels
             -style output style
                   output style e.g. track
             -vocab file
                   file containing list of words in vocabulary
             -verify
                   check that only labels in vocab file are in label file
             -nopath
                   ignore pathnames when searching label lists
             -base
                   use base filenames for lists of label files
             -combine
             -divide

SEE ALSO

       ch_wave(1) ch_track(1)

Edinburgh Speech Tools                            April 5, 2001                                        CH_LAB(1)