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Digital Audio Editing by Simon Langford

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Chapter 15

Editing in the Third Dimension

Introducing the Idea of Spectral Editing

So far, when it comes to actual hands-on editing and not the behind-the-scenes processing of time-stretching or pitch-shifting algorithms, we have been dealing with standard “two-dimensional” editing. Perhaps that concept isn’t familiar to you, but what I mean by it is simply that we work mostly on no more than two aspects of a sound at any given time. When we copy or move a region, we are moving the whole sound—all frequencies and all amplitudes—along the time axis. So that is what I would consider to be a “one dimensional” edit. When we change the gain of a particular region as a whole, that would also be a one-dimensional edit, as we are changing the amplitude ...

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