Mercurial > hg > aim92
diff man/man1/cosine.1 @ 0:5242703e91d3 tip
Initial checkin for AIM92 aimR8.2 (last updated May 1997).
author | tomwalters |
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date | Fri, 20 May 2011 15:19:45 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/man/man1/cosine.1 Fri May 20 15:19:45 2011 +0100 @@ -0,0 +1,71 @@ +.TH COSINE 1 "1 September 1993" + +.SH NAME +cosine \- generate a cosine window. + +.SH SYNTAX +cosine [options] + +.SH DESCRIPTION +Generate a cosine window on the stdout in binary shorts or floats for +a given size. + +.SH OPTIONS + +1. size + +The size of the window can be given with time units (ms or s) or samples (no +units). Time units are converted to samples using the given +`samplerate' option. + +2. Hamming + +The default ("Hamming=off") is a Hann or raised cosine window: + +.nf + w[n] = 0.5 [ 1 - cos( TWOPI . n/(N-1) ) ] +.fi + +The "Hamming=on" window is: + +.nf + w[n] = 0.54 - 0.46 cos( TWOPI . n/(N-1) ) +.fi + +Both windows are defined for 0 <= n <= N-1 and are assumed to be zero otherwise. + +3. scale + +A scale factor for the output. + +4. type + +Output datatype ("type=short" or "type=float"). + +.SH "SEE ALSO" +options gauss + +.SH COPYRIGHT +.LP +Copyright (c) Applied Psychology Unit, Medical Research Council, 1995 +.LP +Permission to use, copy, modify, and distribute this software without fee +is hereby granted for research purposes, provided that this copyright +notice appears in all copies and in all supporting documentation, and that +the software is not redistributed for any fee (except for a nominal +shipping charge). Anyone wanting to incorporate all or part of this +software in a commercial product must obtain a license from the Medical +Research Council. +.LP +The MRC makes no representations about the suitability of this +software for any purpose. It is provided "as is" without express or +implied warranty. +.LP +THE MRC DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +THE A.P.U. BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES +OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. +