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Old 14th December 2011, 12:18   #16  |  Link
Gavino
Avisynth language lover
 
Join Date: Dec 2007
Location: Spain
Posts: 3,431
Tone will generate a sine wave of a given frequency.
You can't set the phase, although I suppose you could use Trim() to achieve that.

To subtract the audio of two clips, use
MixAudio(clip1, clip2, 1.0, -1.0)
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