Method for terminating a telephone call by voice command

Details Method for terminating a telephone call by voice command Method for terminating a telephone call by voice command

H - Electricity

04

B

325/17, 379/73

H04B 1/46 (2006.01) G10L 15/22 (2006.01) H04M 1/27 (2006.01) H04M 9/08 (2006.01)

Patent

CA 1290871

ABSTRACT OF THE DISCLOSURE A reliable method for terminating a telephone call is disclosed using a specific sequence of steps performed by the hands-free control system. The invention requires that the call terminating command sequence be recognized as : (1) two separate speech utterances ( e.g., TERMINATE and CONVERSATION); (2) in proper sequence (e.g., TERMINATE first, then CONVERSATION); (3) with a maximum pause time interval between the end of the first utterance and the start of the second utterance (e.g., 300 millisecond); and (4) which meet predefined speech recognition matching criteria. Moreover, the present invention provides the user with a means to continue the telephone call in progress should the speech recognizer false, or if the user did not intend to speak the proper command. As a result, present invention enables a user to disconnect a telephone call by voice command with a high degree of reliability, even under high ambient noise conditions.

574301

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