Uses FM synthesis to create a Fender Rhodes electric piano sound. It comes from a family of FM sounds, all using 4 basic oscillators and various architectures, as used in the TX81Z synthesizer.
All these opcodes take 5 tables for initialization. The first 4 are the basic inputs and the last is the low frequency oscillator (LFO) used for vibrato. The last table should usually be a sine wave.
The initial waves should be:
ifn1 -- sine wave
ifn2 -- sine wave
ifn3 -- sine wave
ifn4 -- fwavblnk.aiff
![]() | Note |
---|---|
The file "fwavblnk.aiff" is also available at ftp://ftp.cs.bath.ac.uk/pub/dream/documentation/sounds/modelling/. |
kamp -- Amplitude of note.
kfreq -- Frequency of note played.
kc1, kc2 -- Controls for the synthesizer:
kc1 -- Mod index 1
kc2 -- Crossfade of two outputs
Algorithm -- 5
kvdepth -- Vibrator depth
kvrate -- Vibrator rate
Here is an example of the fmrhode opcode. It uses the files fmrhode.orc, fmrhode.sco, and fwavblnk.aiff.
Example 1. Example of the fmrhode opcode.
/* fmrhode.orc */
/* Written by Kevin Conder */
; Initialize the global variables.
sr = 22050
kr = 2205
ksmps = 10
nchnls = 1
; Instrument #1.
instr 1
kamp = 30000
kfreq = 220
kc1 = 6
kc2 = 0
kvdepth = 0.01
kvrate = 3
ifn1 = 1
ifn2 = 1
ifn3 = 1
ifn4 = 2
ivfn = 1
a1 fmrhode kamp, kfreq, kc1, kc2, kvdepth, kvrate, ifn1, ifn2, ifn3, ifn4, ivfn
out a1
endin
/* fmrhode.orc */
/* fmrhode.sco */
/* Written by Kevin Conder */
; Table #1, a sine wave.
f 1 0 32768 10 1
; Table #2, the "fwavblnk.aiff" audio file.
f 2 0 256 1 "fwavblnk.aiff" 0 0 0
; Play Instrument #1 for two seconds.
i 1 0 2
e
/* fmrhode.sco */