a(x) (control-rate args only)
where the argument within the parentheses may be an expression. Value converters perform arithmetic translation from units of one kind to units of another. The result can then be a term in a further expression.
Here is an example of the a opcode. It uses the files a.orc and a.sco.
Example 21. Example of the a opcode.
/* a.orc */ ; Initialize the global variables. sr = 44100 kr = 4410 ksmps = 10 nchnls = 1 ; Instrument #1. instr 1 ; Create a sine wave at k-rate. kwave oscil 20000, 440, 1 ; Convert the k-rate sine wave to the audio-rate. awave = a(kwave) ; Output the audio-rate version of sine wave. out awave endin /* a.orc */
/* a.sco */ ; Table #1, a sine wave. f 1 0 16384 10 1 ; Play Instrument #1 for one second. i 1 0 1 e /* a.sco */