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xanalyser(1X) xanalyser(1X)

xanalyser - a frequence spectrum analyser for X

xanalyser [options]

The program xanalyser reads audio data from the soundcard, performs a fast fourier transformation on these data and displays the resulting spectrum in a X Window.
It has no facilities to control the audio mixer. This must be done by another program.

-rate int
Set the sample rate. The possible values are limited by your soundcard.
-length int
Set the length of each set of sampled data. The length must be a power of two and is limited by your soundsystem.
-resolution int
Set the sample resolution. Must be 16 or 32, but not all values are supported by all sound srivers.
-device string
Sets the audio device. This also automatically select the sound driver. Devices names starting with "/dev/" use the OSS driver and names starting with "plughw:" use the ALSA 0.9 driver. Some drivers may not be available on your system.
Select the soundcard as input.
Select a diskfile as input. Use the option filename to specify the name of the file.
-filename string
Selects the file to play. The file must be 2 channels, 16 bits, 44100 Hz and in CDR or WAV format. Note: This is mainly intended for testing.
For more informations see the help provided by the program.

Documentation is scanty.

Copyright 1998-2006 by Arvin Schnell
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

Arvin Schnell
Comments, suggestions, and bug reports are appreciated.

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