lpanal(1)
NAME
- lpanal - linear predictive analysis for the Csound lp gen
- erators
SYNOPSIS
lpanal [options] infile outfile csound -U lpanal [options] infile outfile
DESCRIPTION
- lpanal performs both lpc and pitch-tracking analysis on a
- soundfile to produce a time-ordered sequence of frames of control
- information. This output is suitable for Csound resynthesis using
- the lp generators.
OPTIONS
- -a Use alternate storage format - filter poles values
- rather than the usual filter coefficient files.
- -s<srate>
- Override the soundfile header sampling rate. If
- neither is specified, the default is 10000.
- -c<channel>
- Default is 1.
- -b<begin>
- Beginning time, in seconds. Default is 0.0.
- -d<duration>
- Duration, in seconds. Default is 0.0 (the entire
- file).
- -p<poles>
- Number of poles. Default is 34, maximum is 50.
- -h<hopsize>
- Hop size, in samples, between frames of analysis.
- Default 200, maximum 500.
fps = srate/hopsize
analysis framesize = hopsize * 2 samples - -C<string>
- Comments field of the lpfile header.
- -P<mincps>
- The lowest frequency, in Hz, of pitch tracking.
- -P0 means no pitch tracking. Default is 70.
- -Q<maxcps>
- Maximum frequency, in Hz, of pitch tracking. De
- fault is 200. The narrower the pitch range is, the more accurate
- the pitch estimate will be.
- -v[012]
- Verbosity level. 0: none (default), 1: verbose, 2:
- debug.
SEE ALSO
csound(1), hetro(1), pvanal(1), cvanal(1).
- Csound is documented fully by The Public Csound Manual,
- available at http://www.lakewoodsound.com/csound/
- Csound is also documented by The Alternative Csound
- Reference Manual, available at http://kevindump
- score.com/docs/csound-manual/
AUTHOR
- This manual page was written by Hans Fugal <hans@fu
- gal.net>, for the Debian project (but may be used by others).
21 Jul 2003