ABSTRACT

A continuous signal is used in many types of synthesis as the basis for sound generation, such as periodic oscillators (Chapter 14) or noise generators (Chapter 18). These signals are then shaped by the application of amplitude envelopes to form finite length sonic events. For example, figure 13.8 (p.407) has an oscillator that produces a continuous signal, with an envelope multiplied by the output to achieve a changing amplitude over the length of the sound.