diff man/man1/noise.1 @ 0:5242703e91d3 tip

Initial checkin for AIM92 aimR8.2 (last updated May 1997).

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+.TH NOISE 1 "1 September 1993"
+
+.SH NAME
+noise \-   generate samples of a normally distributed deviate (white noise)
+in binary shorts or floats.
+
+.SH SYNTAX 
+noise [options]
+
+.SH DESCRIPTION
+Generate uniformly distributed numbers in the range [0,1] and then convert
+these to normally distributed numbers with zero mean
+and unit variance, using the Box-Muller method described in Numerical
+Recipes [p203].
+The period of the random sequences is claimed to be infinite,
+[Numerical Recipes, p196].
+The random sequence is written to the stdout in binary numbers which are
+either shorts or floats depending upon the `type' option.
+The `duration' options sets the duration of the output sequence in samples,
+converted from time units (s or ms) using the given `samplerate' option.
+
+.SH OPTIONS
+
+1. mean, variance.
+
+Each sample is scaled using the given mean and variance parameters so that
+samples are drawn from a normal distribution of given mean and variance.
+
+2. seed
+
+When seed=off the system call getpid() is used to supply a new seed each run.
+Otherwise the seed can be set in order to give the same initialization to
+generate the same random sequence on different runs.
+
+.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.
+