ch_track —
change/copy track file
ch_track |
[-h] [-itype
file type] [-ctype
contour type] [-s
frame spacing] [-c
channels] [-start
time] [-end
time] [-from
frame] [-to
frame] [-o
file] [-otype
file type] [-S
frame spacing] [-info]
[-track_names file]
[-diff] [-delta
length] [-sm
time] [-smtype
median | mean]
[-style style]
[-t threshold]
[-neg label]
[-pos label]
[-pc longest |
first] input file |
ch_track copies an input track file to an
output track file, optionally performing various operations along the
way.
The following option flags are recognized:
-h- Print a short summary of options to standard output.
-itype
file type- Input file type (optional). If no type is specified, type is automatically
derived from the input file's header. The list of supported types may
depend on your particular Speech Tools installation. For a full listing,
see the output of the
-h option.
-ctype
F0 | track- Contour type, either F0 (fundamental frequency) or track.
-s
time- Frame spacing of input in seconds, for unheadered input file.
-c
channels- Select a subset of channels (starting from 0). Tracks can have multiple
channels. This option specifies a list of channel numbers which are to be
used for processing.
-start
time- Extract track starting at this time, specified in seconds.
-end
time- Extract track ending at this time, specified in seconds.
-from
frame- Extract track starting at this offset, specified in frames.
-to
frame- Extract track ending at this offset, specified in frames.
-o
file- Filename to write output to. Defaults to standard output.
-otype
file type- Output file type. If unspecified, ascii is assumed. For the full list of
supported types, see the output of the
-h
option.
-S
time- Frame spacing of output in seconds. If this is different from the input
spacing, the contour will be resampled.
-info- Print information about the input file and its headers. This option gives
useful information such as file length, file type, and channel names. No
other actions are taken, and no output file produced.
-track_names
file- File containing new names for output channels
-diff- Differentiate contour. This performs simple numerical differentiation on
the contour by subtracting the amplitude of the current frame from the
amplitude of the next. Although quick, this technique is crude and not
recommended as the estimation of the derivate is done on only one
point.
-delta
length- Make delta coefficients (better form of differentiation). The argument to
this option is the regression length of the delta calculation and can be
between 2 and 4.
-sm
time- Length of smoothing window in seconds. Various types of smoothing are
available for tracks. This option specifies length of the smoothing window
which affects the degree of smoothing, i.e. a longer value means more
smoothing.
-smtype
median | mean- Type of smoothing.
-style
style- Convert track to another form. Currently only one form, "label",
is supported. This uses a specified cutoff to make a label file, with two
labels, one for above the cutoff (see the
-pos
option), and one for below (see the -neg
option).
-t
threshold- Threshold for track to label conversion.
-neg
label- Name of negative label in track to label conversion.
-pos
label- Name of positive label in track to label conversion.
-pc
longest | first- Combind given tracks in parallel. If option is "longest", pad
shorter tracks to longest, else if "first", pad or cut them as
appropriate to match the length of the first input track.