Automatic key word or phrase speech recognition for the corrections industry
DCFirst Claim
1. An apparatus for providing an automatic speech recognition system for use in the corrections industry, said apparatus comprising:
- a call controller;
an automatic speech recognizer having an event trigger;
a plurality of first telephone connections; and
a plurality of second telephone connections;
wherein an inmate initiates an outgoing telephone call from one of said second telephone connections;
wherein said outgoing telephone connection is routed through said call controller to one of said first telephone connections;
wherein said call controller uses said automatic speech recognizer to monitor said outgoing telephone call;
wherein said automatic speech recognizer searches for key words or phrases spoken during said outgoing telephone call; and
wherein said event trigger is activated upon detection of said key words or phrases and a warning signal is initiated.
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Abstract
The present invention comprises speaker-independent, continuous speech, multilingual, multi-dialect, Automatic Speech Recognition (ASR) technology. In particular, the present application integrates the ASR technology into call control technology such that it will identify key words in two ways. First, it will "Listen" to live conversations of any or all telephone lines controlled by the call control system. Second, it will "Listen" to recorded conversations of any or all voice recorder channels so that previously recorded telephone conversations can be quickly scanned to find key words or phrases spoken in the past. The unique aspect of this application is that it is being applied to the corrections industry for the purpose of spotting key words or phrases for investigative purposes or inmate control purposes which then can alert or trigger remedial action.
429 Citations
20 Claims
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1. An apparatus for providing an automatic speech recognition system for use in the corrections industry, said apparatus comprising:
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a call controller; an automatic speech recognizer having an event trigger; a plurality of first telephone connections; and a plurality of second telephone connections; wherein an inmate initiates an outgoing telephone call from one of said second telephone connections; wherein said outgoing telephone connection is routed through said call controller to one of said first telephone connections; wherein said call controller uses said automatic speech recognizer to monitor said outgoing telephone call; wherein said automatic speech recognizer searches for key words or phrases spoken during said outgoing telephone call; and wherein said event trigger is activated upon detection of said key words or phrases and a warning signal is initiated. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. An apparatus for providing automatic speech recognition, said apparatus comprising:
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at least one first telephone connection; at least one second telephone connection; call control means for controlling the monitoring of telephone conversations between said first telephone connection and said second telephone connection; speech recognition means for monitoring said telephone conversations, said speech recognition means having means for activating a warning signal; and recording means for recording said telephone conversations; wherein said telephone conversations are initiated by an inmate from said second telephone connection which is routed through said call control means to said first telephone connection; wherein said call control means uses said speech recognition means to search said telephone conversations for key words or phrases; and wherein said warning signal is activated by said means for activating upon detection of said key words or phrases.
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Specification