Wahwah - Uses a moving bandpass filter to create its sound. A Low Frequency
Oscillator (LFO) is used to control the movement of the filter throughout the
frequency spectrum. Adjusts the phase of the left and right channels when given
a stereo selection, so that the effect seems to travel across the speakers.
Plugins 1 to 15 ... etc. - These sub menus contain any VST, Ladspa, or Nyquist
plug-ins loaded by Audacity. It is possible for a poorly written plug-in to crash
Audacity, so always save your work before using a plug-in effect.
ANALYZE MENU
Plot Spectrum - To use this feature, first select a region of audio from a single track,
then select “Plot Spectrum.” It opens up a window that displays the Power Spectrum
of the audio over that region, calculated using the Fast Fourier Transform. The graph
represents how much energy is in each frequency. As you move the mouse over the
display, it shows you the nearest peak frequency. This window can also display other
common functions that are calculated using the Fast Fourier Transform, including
three versions of the Autocorrelation function. The Enhanced Autocorrelation
function is very good at identifying the pitch of a note.
The Analyze Menu is intended for effects and plug-in effects that do not modify
the audio, but simply open a dialog with some descriptive information. Audacity
also supports Analyze commands that create annotations in a Label Track.
HELP MENU
About Audacity - Displays the version number and credits. If you compiled Audacity
yourself, check here to verify which optional modules were successfully compiled in.
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