In the Waveform Editor, select the audio data you want to copy or cut. Or, to copy or cut the entire waveform, deselect all audio data.
Copy or cut audio data
Paste audio data
Mix audio data when pasting
Invert Copied Audio
Reverses the phase of copied audio, either exaggerating or reducing phase cancellation if the existing audio contains similar content. (To understand phase cancellation, see How sound waves interact.)
Applies a crossfade to the beginning and end of the pasted audio, producing smoother transitions. Specify the fade length in milliseconds.