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Completely redesigned decoder

DTMF Decoder

by dreadtech.com

What is it about?

Completely redesigned decoder!

App Details

Version
1.11.1
Rating
(14)
Size
4Mb
Genre
Utilities
Last updated
August 9, 2023
Release date
February 25, 2009
More info

App Store Description

Completely redesigned decoder!

Turns your iPhone into a simple DTMF decoder. Simply hold the iPhone's microphone near to a clear source of DTMF tones (telephone "Touch Tones") and it will display the numbers being dialed. The decoded digits are also placed into a text area from which you can copy them to the clipboard.

A row of LEDs indicate which frequencies are present in the signal - each LED corresponds to a single frequency.

See it in action here:
https://www.youtube.com/watch?v=l_QD8KFCJPw

Source code freely available:
https://github.com/veghead/ios-dtmf-decoder

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