2 summary:: Frequency spectrum visualizer
3 categories:: GUI>Interfaces
4 related:: Classes/FreqScopeView
7 FreqScope shows the frequency spectrum of the specified audio bus. The scope will remain active after a command-period. To turn it off you must either click off the 'Power' button or close the window.
11 ## Power || Turns the scope on and off. This is useful for freezing the signal on the display or for saving CPU.
12 ## BusIn || The audio bus to be analyzed.
13 ## FrqScl || Determines the mapping of frequencies on the x-axis. Can be linear (lin) or logarithmic (log). Logarithmic is equal spacing per musical octave.
14 ## dbCut || Determines the lowest decibel shown on the y-axis.
25 The number of the audio link::Classes/Bus:: to be monitored.
27 An instance of link::Classes/Color::. The drawing color of the scope.
29 An instance of link::Classes/Color::. The background color of the scope.
33 s = FreqScope.server.boot;
35 // create a new analyzer
36 FreqScope.new(400, 200, 0);
39 { SinOsc.ar(2000, 0, 0.25) }.play(s);
42 { RLPF.ar(Saw.ar(110, 0.2), LFNoise2.kr(1,1e4,1e4), LFNoise2.kr(1, 0.2, 0.22)) }.play(s);
45 { SinOsc.ar(800, SinOsc.ar(XLine.kr(20, 8000, 10), 0, 2pi), 0.25) }.play(s);
48 { Blip.ar(200, Line.kr(1, 100, 10), 0.2) }.play(s);
51 subsection:: Subclassing and Internal Methods
53 The following methods are usually not used directly or are called by a primitive. Programmers can still call or override these as needed.
56 Returns a link::Classes/Boolean::, whether the scope is open.
60 subsection:: Subclassing and Internal Methods
62 The following methods are usually not used directly or are called by a primitive. Programmers can still call or override these as needed.
65 Returns the window in which the link::Classes/FreqScopeView:: is placed.
68 Returns the link::Classes/FreqScopeView::.