System and method for providing an audio challenge to distinguish a human from a computer

An "audio challenger" operates by first defining a library of a finite number of discrete audio objects including spoken sounds, such as, for example, individual digits, letters, numbers, words, etc., or combinations of two or more digits, letters, numbers, or words. The spoken sounds are...

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Hauptverfasser:	Herley, Cormac, Droppo, James, Goodman, Joshua, Benaloh, Josh, Calinov, Iulian, Steinbok, Jeff
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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