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#X text 39 67 There are some math objects dedicated to audio signals
\, ilike the arithmetic ones:;
#X text 42 175 As a classic example \, we've seen that multiplying
and audio signal is like changing its volume.;
#X text 44 366 Another interessanting one is the Ring Modulation \,
which consists of multipying two audio signals.;
#X text 51 594 On the left above we have two oscilators being multiplied
by each other. On the right above an oscilator multiplies your audio
input (a Mic or someting). Try both and play with it.;
#X obj 86 746 cos~;
#X obj 129 746 atan2~;
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#X text 46 785 ============================================================
;
#X text 56 707 These are trigonometry objects:;
#X text 267 736 remember [sin~] is an abstraction \; from do pd-extended
;
#X text 321 767 click to open it;
#X text 53 810 [log~] is a logarithm at any base \, defined by the
argument or cold inlet. It's different than [log] \, which is only
for natural logarithm.;
#X text 52 670 ============================================================
;
#X text 38 155 ============================================================
;
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