Difference between revisions of "DTMF"

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(beep-boop-b00p-b33p)
 
m (Six26 moved page DTMF to Phreaking/DTMF: sub page?)

Revision as of 19:56, 19 September 2014

640px-66a3aDTMFpad.jpg


https://en.wikipedia.org/wiki/Dual-tone_multi-frequency_signaling


https://en.wikipedia.org/wiki/Goertzel_algorithm

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