Description

Scales incoming value to user-definable range. Similar to scale object found in popular dataflow languages.

Syntax

kscl scale kinput, kmax, kmin[, kimax, kimin]

Performance

kin -- Input value. Can originate from any k-rate source as long as that source's output is in range kimin to kimax.

kmin -- Minimum value of the resultant scale operation.

kmax -- Maximum value of the resultant scale operation.

kimin -- Optional; Minimum of the incoming value range, defaulting to zero.

kimax -- Optional; Maximum of the incoming value range, defaulting to one.

	Warning
	Take care with the order of the arguments which has maximum before minimum

Examples

Here is an example of the scale opcode. Play scale.csd

<CsoundSynthesizer>
<CsOptions>
; Select audio/midi flags here according to platform
; Audio out   Audio in    Silent
-odac           -iadc     -d    ;;;realtime output
</CsOptions>
<CsInstruments>

sr	=	44100
ksmps	=	10
nchnls	=	2

/*--- ---*/

	instr	1	; scale test

kmod	ctrl7	1, 1, 0, 1
	printk2	kmod

kout	scale	kmod, 0, -127
	printk2	kout

	endin

/*--- ---*/
</CsInstruments>
<CsScore>

i1	0	8888

e
</CsScore>
</CsoundSynthesizer>

See Also

gainslider, logcurve, expcurve

Credits