Sound envelope

Sound envelope

Sound envelopes are sound packages extracted from video files. Video editing tools, such as the freeware program Zwei-Stein, isolate the audio portion of the avi, mpeg (whatever clip) and "envelope" it for podcast or other distribution.

Components of a sound envelope: Attack, Decay, Sustain, Release.

The term "sound envelope" can also refer to a phenomenon in cognitive neuroscience where incoming sounds are stored very briefly in a person's short term memory. The amount of sound stored at any point in time is called the sound envelope, and it is responsible for a person's ability to remember the beginning, middle, and end of a word for the time that it takes the brain to compile the sounds into a meaningful representation.


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