Tree:
003cf1fd68
11.0
12.0
12.1
12.2
13.0
13.1
13.37
14.0
14.1
14.2
15.0
bedlam
bedlam-name-fixes
dive
erik
gitignore
libressl-gopher-test
master
misc-fixes
python-renames
rworkman
urchlay
user/aclemons/updates
user/anddt/development/acpica
user/anddt/development/glm
user/anddt/development/gnustep-base
user/anddt/development/gnustep-make
user/anddt/games/assaultcube-reloaded
user/anddt/games/doomseeker
user/anddt/games/prboom-plus
user/anddt/games/rocksndiamonds
user/anddt/games/rottexpr
user/anddt/games/srb2
user/anddt/graphics/blender
user/anddt/graphics/maim
user/anddt/ham/chirp
user/anddt/ham/hamlib
user/anddt/libraries/girara
user/anddt/libraries/goffice
user/anddt/libraries/gtksourceview4
user/anddt/libraries/imlib2
user/anddt/libraries/jsoncpp
user/anddt/libraries/libnova
user/anddt/libraries/libopenmpt
user/anddt/libraries/libtorrent
user/anddt/libraries/wxGTK3
user/anddt/libraries/xmlrpc-c
user/anddt/misc/discount
user/anddt/misc/slop
user/anddt/network/nethogs
user/anddt/network/putty
user/anddt/network/rclone
user/anddt/network/rtorrent
user/anddt/network/sshguard
user/anddt/network/strongswan
user/anddt/network/umurmur
user/anddt/network/yt-dlp
user/anddt/network/znc
user/anddt/office/gnumeric
user/anddt/office/sigil
user/anddt/system/FontAwesome
user/anddt/system/conky
user/anddt/system/fakeroot
user/anddt/system/hplip-plugin
user/anddt/system/postgresql
user/anddt/system/testdisk
user/anddt/system/worker
user/anddt/system/xen
user/anddt/system/zzzfm
user/belka/updates
user/chris.willing/updates
user/dslackw/updates
user/elyk/updates
user/kingbeowulf/updates
user/mario/updates
user/ponce/updates
user/pprkut/updates
willysr
wxWidgets-wip
GPG-KEY
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Heinz Wiesinger
63daf9f79a
All: Support $PRINT_PACKAGE_NAME env var
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3 years ago | |
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| .. | ||
| README | 47b1ef0f55 ham/xanalyser: Added (stereo audio analyser). | 10 years ago |
| slack-desc | e443ef3528 ham/xanalyser: Fix slack-desc. | 8 years ago |
| xanalyser.SlackBuild | 63daf9f79a All: Support $PRINT_PACKAGE_NAME env var | 3 years ago |
| xanalyser.info | 47b1ef0f55 ham/xanalyser: Added (stereo audio analyser). | 10 years ago |
README
XAnalyser is a program to analyse a stereo audio signal. It has two
displays:
Frequency Spectrum
Using Fast Fourier Transform, the time domain of the signal is
transformed into the frequency domain, i.e. the amplitude (in
logarithmic scale) of the audio signal is plotted versus the
frequency. Either the sum of the left and right channel of the
audio signal can be shown or both channels simultaneously.
XY Scope
Roughly speaking, the audio signal of left channel deflects a
point horizontally and the right channel vertically (just as the
beam of a CRT would do). Thus, an audio signal only present on
the left channel produces a horizontal line, whereas an audio
signal only present on the right channel produces a vertical
line. A mono signal produces a 45 degree line. A stereo signal
creates a wilde pattern (if the phase is correct, predominately
in the same direction as a mono signal) or may even fill the entire
scope.
displays:
Frequency Spectrum
Using Fast Fourier Transform, the time domain of the signal is
transformed into the frequency domain, i.e. the amplitude (in
logarithmic scale) of the audio signal is plotted versus the
frequency. Either the sum of the left and right channel of the
audio signal can be shown or both channels simultaneously.
XY Scope
Roughly speaking, the audio signal of left channel deflects a
point horizontally and the right channel vertically (just as the
beam of a CRT would do). Thus, an audio signal only present on
the left channel produces a horizontal line, whereas an audio
signal only present on the right channel produces a vertical
line. A mono signal produces a 45 degree line. A stereo signal
creates a wilde pattern (if the phase is correct, predominately
in the same direction as a mono signal) or may even fill the entire
scope.