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5687287 |
Speaker verification method and apparatus using mixture decomposition discrimination
A new speaker verification method, termed Mixture Decomposition Discrimination (MDD), and a new apparatus for using MDD are presented. MDD takes mixture component score information from a speaker...
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5598507 |
Method of speaker clustering for unknown speakers in conversational audio data
A method for clustering speaker data from a plurality of unknown speakers. The method includes steps of providing a portion of audio data containing speech from at least all the speakers in the...
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5311575 |
Telephone signal classification and phone message delivery method and system
A method of processing a signal having characteristics and received from a telephone line is presented. The method includes defining a frame by measuring a plurality of samples from the signal over...
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5265191 |
Technique for voice-based security systems
A voice-based security system requires that a series of utterances to be uttered by the requester contain at least one repeated utterance. The system compares a representation of each instance of...
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5095508 |
Identification of voice pattern
A voice pattern identifying system includes a library for storing therein a plurality of registered voice patterns and a register array into which a sampled voice pattern is temporarily stored for...
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5033089 |
Methods for forming reference voice patterns, and methods for comparing voice patterns
A method for forming a reference voice pattern to be stored in a library for use in identifying an unknown input sound. The method comprises the steps of inputting a first sound pronounced for a...
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4922538 |
Multi-user speech recognition system
A multi-user speech recognition system includes several speech recognizers which are shared between many user terminals. When a user terminal is activated, one of the recognizers is assigned to...
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4903306 |
Voice recognition using an eigenvector
A voice pattern in the form of a matrix and comprised of a plurality of frames, each including time-spectral information and temporal information, is formed from an unknown input voice signal. The...
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4864622 |
Voice recognizing telephone
Correction of a voice reference pattern of a so-called voice recognizing telephone having a voice recognizing function, whereby the frequency of voices inputted before the voices are correctly...
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4833713 |
Voice recognition system
A voice or sound recognition system including a microphone for converting a voice into an electrical voice signal, a frequency analyzer for generating a voice pattern in the form of a...
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4773093 |
Text-independent speaker recognition system and method based on acoustic segment matching
The invention provides a method and system for speaker enrollment, as well as for speaker recognition. Speaker enrollment creates for each candidate speaker a set of short acoustic segments, or...
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4720863 |
Method and apparatus for text-independent speaker recognition
A method and apparatus for recognizing an unknown speaker from a plurality of speaker candidates. Portions of speech from the speaker candidates and from the unknown speaker are sampled and...
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4716593 |
Identity verification system
An input pattern of an individual requesting identity verification, such as a speech pattern, is compared with reference patterns of a plurality of categories in a category recognition unit to...
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4694493 |
Speaker verification system
A voice verification system in which multiple generic reference patterns are obtained by speaking the password in a number of different ways and in which a speaker specific reference pattern is...
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4581755 |
Voice recognition system
There is provided a voice recognition system comprising a standard pattern memory in which a voice pattern of a predetermined word is stored as a positive reference pattern and also voice patterns...
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4060695 |
Speaker identification system using peak value envelop lines of vocal waveforms
Voice verfication of individuals is carried out by utilizing the peak value envelope of voice signals. The voice signal is separated into its positive and negative polarity portions and stepped...
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4054749 |
Method for verifying identity or difference by voice
In a voice verification system, voice parameters which are highly characteristic of particular voices but have only a limited effectiveness life time (such as pitch) are used. The lifetime or...
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3466394 |
VOICE VERIFICATION SYSTEM
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3249898 |
Adjustable modulator apparatus
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