pipedemo

来自「speech signal process tools」· 代码 · 共 55 行

#! /bin/sh
# This material contains unpublished, proprietary software of
# Entropic Research Laboratory, Inc. Any reproduction, distribution,
# or publication of this work must be authorized in writing by Entropic
# Research Laboratory, Inc., and must bear the notice:
#
#    "Copyright (c) 1986-1990  Entropic Speech, Inc.
#    "Copyright (c) 1990-1991  Entropic Research Laboratory, Inc.
#                   All rights reserved"
#
# The copyright notice above does not evidence any actual or intended
# publication of this source code.
#
# @(#)pipedemo	3.9   6/12/91     ESI/ERL
#
# Written by:
# Checked by:
# Revised by: David Burton
#
# Brief description:  Illustrates pipe processing
#

USE_ESPS_COMMON=off
export USE_ESPS_COMMON
ESPS_VERBOSE=0
export ESPS_VERBOSE
if test `mach_type` = CONVEX -o `mach_type` = SONY_RISC -o `mach_type` = SONY_68K
 then
  echo This script will fail if you do not have write permission on this directory.
 else
  if test ! -w . 
    then
	echo "You do not have write permission in this directory."
	exit 1
  fi
fi
echo " "
echo "make 1 second of a sine wave at frequency 600 Hz"
echo "   %testsd -Tsine -r20000 -f600 psine1.sd"
testsd -Tsine -r20000 -f600 psine1.sd
echo " "
echo "make 1 second of a sine wave at frequency 1100 Hz and add to other one"
echo "   %testsd -Tsine -f1100 -r20000 - | addsd - psine1.sd  psines.sd"
testsd -Tsine -f1100 -r20000 - | addsd - psine1.sd  psines.sd
echo " "
echo "make 1 second of Gaussian noise, then add it to the two sines;"
echo "then compute reflection coefficients to 100th order ;"
echo "and then compute the spectrum "
echo "   %testsd -Tgauss -r20000 - | addsd - psines.sd - "
echo "    | refcof -o100 -p1:2500 -l0 - - | me_spec - psignal.spec"
testsd -Tgauss -r20000 - | addsd - psines.sd -    \
| refcof -o100 -p1:2500 -l0 - - | me_spec - psignal.spec