73 lines
1.9 KiB
Groff
73 lines
1.9 KiB
Groff
.TH SPHINX_PITCH 1 "2007-05-12"
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.SH NAME
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sphinx_pitch \- Extract pitch from audio files
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.SH SYNOPSIS
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.B sphinx_pitch
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[\fI options \fR]...
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.SH DESCRIPTION
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.PP
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This program reads audio files and analyzes them for pitch and voicing.
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.TP
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.B \-c
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file for batch processing
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.TP
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.B \-di
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directory, input file names are relative to this, if defined
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.TP
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.B \-do
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directory, output files are relative to this
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.TP
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.B \-ei
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extension to be applied to all input files
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.TP
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.B \-eo
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extension to be applied to all output files
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.TP
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.B \-flen
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Number of seconds in each analysis frame (needs to be greater than twice the longest period you wish to detect - to detect down to 80Hz you need a frame length of 2.0/80 = 0.025).
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.TP
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.B \-fshift
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Frame shift: number of seconds between each analysis frame.
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.TP
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.B \-i
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audio input file
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.TP
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.B \-input_endian
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of audio data (will be determined automatically if not given)
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.TP
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.B \-mswav
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Defines input format as Microsoft Wav (RIFF)
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.TP
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.B \-nist
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Defines input format as NIST sphere
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.TP
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.B \-nskip
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If a control file was specified, the number of utterances to skip at the head of the file
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.TP
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.B \-o
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text output file (standard output will be used if not given)
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.TP
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.B \-raw
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Defines input format as raw binary data
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.TP
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.B \-runlen
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If a control file was specified, the number of utterances to process (see \fB\-nskip\fR too)
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.TP
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.B \-samprate
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Sampling rate of audio data (will be determined automatically if 0)
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.TP
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.B \-search_range
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Fraction of the best local estimate to use as a search range for smoothing.
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.TP
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.B \-smooth_window
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Number of frames on either side of the current frame to use for smoothing.
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.TP
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.B \-voice_thresh
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Threshold of normalized difference under which to search for the fundamental period.
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.SH AUTHOR
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David Huggins-Daines <dhuggins@cs.cmu.edu>
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.SH COPYRIGHT
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Copyright \(co 2007-2008 Carnegie Mellon University. See the file
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\fICOPYING\fR included with this package for more information.
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.br
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