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Narration, Music,and Sound > Narration, Music,and Sound - Pg. 240

Extracting Audio from Video Now, there's a pretty good reason the Volume slider doesn't go higher than 150%. As you magnify the sound, you also magnify the hiss, the crackle, and whatever other underlying sonic noise there may have been in the audio. When you try this pasting-on-top trick, you may run into that problem, too. Even so, for insiders who know this technique, many an important line of dialog has been saved from oblivion. ·Reusethesound.You can copy and paste the extracted audio elsewhere in the movie. (You've probably seen this technique used in dozens of Hollywood movies: About 15 minutes before the end of the movie, the main character, lying beaten and defeated in an alley, suddenly pieces together the solution to the central plot mystery, as snippets of dialog we've already heard in the movie foat through his brain, fnally adding up.) ·Cropthescene'saudio. Trim out an unfortunate cough, belch, or background car honk by cropping the audio. Now the video can begin (or end) in silence, with the audio kicking in (or out) only when required. (Of course, complete silence isn't generally what you want either, as described next.) ·Grabsomeambientsound. In real movie-editing suites, it happens all the time: A perfect take is ruined by the sound of a passing bus just during the tender kiss moment--and you don't discover it until you're in the editing room, long after