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Chapter SEVEN. CHRISTINA MANNING POEM DE... > STEP 03 optimizing audio—NOISE GATES

STEP 03 optimizing audio—NOISE GATES

The natural rhythm of speaking and reading often brings a fair number of pauses into a voiceover. Unless you are recording in a professional sound booth, you'll pick up a great deal of ambient noise during a pause. That ambient noise is distracting and always seems to get louder during MP3 (or ACDM, for that matter) encoding. Although it's possible to edit out all the pauses, that process tends to also remove the natural cadences of speech—particularly important in the example voiceover, a poem. A better solution for handling noise during pauses is to apply an effect known as a noise gate. A noise gate takes all sound below a set threshold and totally attenuates it, reducing the audio to silence. In SoundForge, you can set how fast the gate opens and closes, thus affecting how the sound fades out and back in on either side of the silenced portion. Again, applying a noise gate takes practice and experimentation to achieve the right effect without clipping the surrounding audio.

To apply a noise gate in SoundForge, follow these steps:


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