System and method for three-way call detection
First Claim
1. A system for detecting three-way calls in a monitored telephone conversation, the system comprising:
- a speech recognition processor that transcribes the monitored telephone conversation and associates at least two characteristics of the monitored telephone conversation with a transcript of the monitored telephone conversation;
a database that stores at least the transcript of the monitored telephone conversation and the at least two characteristics associated therewith; and
a three-way call detection processor that analyzes the at least two characteristics associated with the transcript of the monitored telephone conversation to detect the addition of one or more third parties to the monitored telephone conversation, wherein the at least one characteristic includes at least one network characteristic and one speech characteristic.
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Accused Products
Abstract
A system for detecting three-way calls in a monitored telephone conversation includes a speech recognition processor that transcribes the monitored telephone conversation and associates characteristics of the monitored telephone conversation with a transcript thereof, a database to store the transcript and the characteristics associated therewith, and a three-way call detection processor to analyze the characteristics of the conversation and to detect therefrom the addition of one or more parties to the conversation. The system preferably includes at least one domain-specific language model that the speech recognition processor utilizes to transcribe the conversation. The system may operate in real-time or on previously recorded conversations. A query and retrieval system may be used to retrieve and review call records from the database.
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Citations
27 Claims
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1. A system for detecting three-way calls in a monitored telephone conversation, the system comprising:
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a speech recognition processor that transcribes the monitored telephone conversation and associates at least two characteristics of the monitored telephone conversation with a transcript of the monitored telephone conversation; a database that stores at least the transcript of the monitored telephone conversation and the at least two characteristics associated therewith; and a three-way call detection processor that analyzes the at least two characteristics associated with the transcript of the monitored telephone conversation to detect the addition of one or more third parties to the monitored telephone conversation, wherein the at least one characteristic includes at least one network characteristic and one speech characteristic. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of detecting three-way calls in a monitored telephone conversation, comprising:
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transcribing the monitored telephone conversation; extracting a plurality of characteristics of the monitored telephone conversation; associating the extracted plurality of characteristics with a transcript of the monitored telephone conversation; utilizing a scoring algorithm to assign a score to the monitored telephone conversation based on the extracted plurality of characteristics, wherein the score is indicative of a likelihood that at least one third party was added to the monitored telephone conversation, wherein the plurality of characteristics includes at least one network characteristic and one speech characteristic; and generating information regarding addition of a third party to the monitored telephone conversation. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21)
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22. A method of detecting three-way calls in a monitored telephone conversation, comprising:
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transcribing the monitored telephone conversation; extracting a plurality of characteristics of the monitored telephone conversation, wherein the plurality of characteristics extracted are indicators of a third party being added to the monitored telephone conversation; calculating a score for the monitored telephone conversation based upon at least two of the plurality of characteristics extracted from the monitored telephone conversation, wherein the score is indicative of a likelihood that at least one third party was added to the monitored telephone conversation, wherein the plurality of characteristics includes at least one network characteristic and one speech characteristic; and generating information regarding addition of a third party to the monitored telephone conversation. - View Dependent Claims (23, 24)
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25. A query and retrieval system for monitored telephone conversations, comprising:
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a database of monitored telephone conversations including a plurality of call records, wherein at least some of the call records comprise; a sound recording of the monitored telephone conversation; a transcript of the monitored telephone conversation; and a score assigned to the monitored telephone conversation, wherein the score assigned to the monitored telephone conversation reflects a likelihood that the monitored telephone conversation included one or more three-way calls, and wherein the score is based upon one or more characteristics of the monitored telephone conversation indicative of adding a third party thereto, wherein the one or more characteristics includes at least one network characteristic and one speech characteristic; an query interface that accepts search criteria input by a user, wherein the search criteria include at least a score criterion; a processor that retrieves one or more call records from the database based upon the search criteria; a selection interface that permits user selection of a call record from the retrieved one or more call records; and an output device that provides synchronized playback and visualization, respectively, of the recording and transcript comprising the selected call record. - View Dependent Claims (26, 27)
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Specification