dtmfDecode(freqs)

Converts a pair of DTMF frequencies into the corresponding character

Function only- no corresponding object

Syntax

dtmfDecode(freqs)

freqs: real64 array - set of two frequencies

return: char - character that corresponds to the given frequencies.

Usage

Once one has determined the dual tones that define a given DTMF pulse, the next step is to decode this into the corresponding character. This object accomplishes that task.

Location

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

library: sigLib

Example

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

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 

dtmfCode, dtmfPulse, dtmfRcvPulse, dtmfReceiver, dtmfSigGen