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glsweep - Online in the Cloud

Run glsweep in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command glsweep that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


glsweep - a program generating log sweep and inverse filter.

SYNOPSIS


glsweep [parameters] sweepfile inversefile

Usage: glsweep rate amplitude hzstart hzend duration silence leadin leadout sweepfile
inversefile

Example: glsweep 44100 0.5 10 21000 45 2 0.05 0.005 sweep.pcm inverse.pcm

DESCRIPTION


This manual page documents briefly the glsweep program. This manual page was written for
the Debian distribution because the original program does not have a manual page.

glsweep is program to perform accurate time aligned impulse response measurements.

glsweep is based on the log sweep method for impulse response measurement, which is one of
the most accurate, especially for acoustic measurements. This method is based on a special
signal, which is a logarithmic sinusoidal sweep, that need to be reproduced through the
system under test, and an inverse filter, which, when convolved with the measured log
sweep, gives back the impulse response of the system.

The output format is the usual raw file with 32 bit IEEE floating point samples. If you
need to convert the sweep generated using the example above to a 16 bit mono WAV file you
can use SoX with a command line like this one:

sox -t f32 -r 44100 -c 1 sweep.pcm -t wav -c 1 sweep.wav

PARAMETERS


rate: reference sample rate
amplitude: sweep amplitude
hzstart: sweep start frequency
hzend: sweep end frequency
duration: sweep duration in seconds
silence: leading and trailing silence duration in seconds
leadin: leading window length as a fraction of duration
leadout: trailing window length as a fraction of duration
sweepfile: sweep file name
inversefile: inverse sweep file name

Refer to html documentation for more details.

Use glsweep online using onworks.net services


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