Abbreviation for the envelope characteristics of a waveform: attack, decay, sustain, and release.

  An electronic music score providing a detailed visual representation of the form and substance of a work to a degree of specificity that could be faithfully reproduced by others; in a graphic score, [..]

additive synthesis

  Musical style consisting of electronic textures, often dominated by sustained harmonies rather than beats, played quietly with a continuity of energy that conveys a suspension of tension.

The loudness or volume of a sound and its constituent harmonics; the strength of an audio waveform signal during synthesis, as represented graphically by wave height.

  In digital audio sampling, a device used to convert analog sound to digital form by sampling the analog signal many times per second and storing it as numeric values. The resulting values can be pla [..]

  In relation to the envelope of a sound, the start of a sound as defined by the time that it takes for the signal to go from zero amplitude to peak amplitude.

  An audio filter that allows only those sounds above or below specified high- and low-frequency cutoff points to be heard. It removes the midrange frequencies from a signal. 

  In relation to tape recorders, a tiny rotating, motor-driven spindle that pinches the tape against a rubber roller and pulls it from the supply reel to the take-up reel; changing the diameter of the [..]

  In a MIDI performance setup, a signal that direct a MIDI command to any one of the 16 available channels.