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15
CHP. 15 LOOPING
CHAPTER
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Looping
Sound Forge is an excellent tool for creating loops and provides the perfect compliment to Sony Pictures
Digital’s revolutionary ACID™ line of loop-based music creation tools.
Creating loop regions in files is useful only when you intend to transfer the files to a hardware sampler that
supports the loop regions.
Loops
A loop is a sample or region in an audio file that is repeated during playback. Samples are finite and
frequently very short in length. Therefore, they must be repeated (or looped) to create longer or sustaining
sounds.
Note:
Loops can also be used to repeat entire sections of
music in Sound Forge, although the playlist is better suited to
this purpose.
Sustaining and release loops
A sound envelope contains four elements: attack, decay, sustain, and release.
Typically, the sustain portion of the envelope is looped to lengthen the duration of a sound. This is referred
to as the sustaining loop.
While sustaining loops are useful, it is frequently necessary to create a second loop, taken from later in the
envelope. This allows you to reproduce longer, more complex sounds, such as a piano chord struck with the
sustain pedal depressed. This second type of loop is referred to as the release loop.
Attack
Decay
Sustain
Release
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