product Mathematical Operations:Opcode Equivalents of Functions product product Multiplies any number of a-rate signals. Description Multiplies any number of a-rate signals. Syntax ares product asig1, asig2 [, asig3] [...] Performance asig1, asig2, asig3, ... -- a-rate signals to be multiplied. Credits Author: &namegabriel; Italy April 1999 New in Csound version 3.54