ENVELOPE By N., Sam M.S. - 6 Accoustics. The slowly variation or smooth change in amplitude. ENVELOPE: "An envelope is used in accoustics to describe smooth cahnges of sound." Related Psychology Terms BRAIN WAVES (Electroencephalogram, EEG) AUDITORY SPACE PERCEPTIO HEARING (AUDITION) HEARING REACTION TIME (Response Latency) ATARACTIC (Atanndc) STIMULUS (literally “goad”) READING DISABILITY (Paralexia, Dyslexia) CASE ALTERNATION SYNESTHESIA (literally, “feeling to- gether”) Cite this page: N., Sam M.S., "ENVELOPE," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/envelope/ (accessed August 9, 2022).