dtmfCode(char)

Generates the DTMF frequency pair that defines the given input character.

Function only- no corresponding object

Syntax

o_dtmfCode(char)

char: scalar string - single character

return: real64 array - 2 elements defining the two frequencies

Usage

This function allows one to easily find the two frequencies that define a given character in DTMF

Location

menu: no menu pick - to access use the Function and Object browser

library: sigLib

Example

o_dtmfCode("A") returns [697,1633]
o_dtmfCode("#") returns [941,1477]

Notes

Reference

DTMF is a very simple standard consisting of two audio frequencies and developed to enable simple data signaling over telephone lines.

Dependencies

Supported On

VEE 7.0+, all platforms

See Also 

dtmfDecode, dtmfPulse, dtmfRcvPulse, dtmfReceiver, dtmfSigGen