poscil3 — High precision oscillator with cubic interpolation.
ifn -- function table number
iphs (optional, default=0) -- initial phase (in samples)
ares -- output signal
kamp -- the amplitude of the output signal.
kcps -- the frequency of the output signal in cycles per second.
poscil3 uses cubic interpolation.
Here is an example of the poscil3 opcode. It uses the file poscil3.csd.
Example 334. Example of the poscil3 opcode.
See the sections Real-time Audio and Command Line Flags for more information on using command line flags.
<CsoundSynthesizer> <CsOptions> ; Select audio/midi flags here according to platform ; Audio out Audio in No messages -odac -iadc -d ;;;RT audio I/O ; For Non-realtime ouput leave only the line below: ; -o poscil3.wav -W ;;; for file output any platform </CsOptions> <CsInstruments> ; Initialize the global variables. sr = 44100 kr = 4410 ksmps = 10 nchnls = 1 ; Instrument #1 - a basic oscillator. instr 1 kamp = 10000 kcps = 440 ifn = 1 a1 poscil3 kamp, kcps, ifn out a1 endin </CsInstruments> <CsScore> ; Table #1, a sine wave. f 1 0 16384 10 1 ; Play Instrument #1 for 2 seconds. i 1 0 2 e </CsScore> </CsoundSynthesizer>