scale

scale — Arbitrary signal scaling.

Description

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

Syntax

kscl scale kinput, kmax, kmin

Performance

kin -- Input value. Can originate from any k-rate source as long as that source's output is in range 0-1.

kmin -- Minimum value of the resultant scale operation.

kmax -- Maximum value of the resultant scale operation.

Examples

Here is an example of the scale opcode. It uses the file scale.csd.

Example 755. Example of the scale 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    Silent
-odac           -iadc     -d    ;;;realtime output
</CsOptions>
<CsInstruments>

sr	=	22050
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

Author: David Akbari
October
2006