# 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

© 2015-2021. All Rights Reserved. Stan Bischof (stan@worldbadminton.com). Last updated 09 August 2021 18:20.