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7587320 Automatic segmentation in speech synthesis  
Systems and methods for automatically segmenting speech inventories. A set of Hidden Markov Models (HMMs) are initialized using bootstrap data. The HMMs are next re-estimated and aligned to produce...
7529670 Automatic speech recognition system for people with speech-affecting disabilities  
A speech recognition system is provided that, in one embodiment, includes an input 104 operable to receive voice utterances from a user, a speaker monitoring agent 132 operable to determine a...
7523034 Adaptation of Compound Gaussian Mixture models  
Methods and arrangements for enhancing speech recognition in noisy environments, via providing at least one initial Compound Gaussian Mixture model, applying an adaptation algorithm to at least one...
7507894 Sound data encoding apparatus and sound data decoding apparatus  
A processing load at the time of playing back sound data having a loop part is reduced. A sound data encoding apparatus comprises a block dividing means that divides the sound data into blocks...
7493257 Method and apparatus handling speech recognition errors in spoken dialogue systems  
To handle portions of a recognized sentence having an error, a user is questioned about contents associated with portions. According to a user's answer, a result is obtained. Speech recognition...
7478046 Server-client type speech recognition apparatus and method  
To provide a speech recognition apparatus which enables the reduction of transmission time and of costs. A terminal-side apparatus ( 100 ) includes a speech detection portion ( 101 ) for detecting...
7433819 Assessing fluency based on elapsed time  
A computer based method and related system, computer program product and device includes receiving audio input associated with a user reading a sequence of words and determining an approximate...
7366667 Method and device for pause limit values in speech recognition  
Method and device for the recognition of words and pauses in a voice signal. The words (W i ) spoken in a row and pauses (T i ) are thereby combined as to be appertaining to a word group as soon as...
7319960 Speech recognition method and system  
A speech recognition system uses a phoneme counter to determine the length of a word to be recognized. The result is used to split a lexicon into one or more sub-lexicons containing only words...
7319956 Method and apparatus to perform speech reference enrollment based on input speech characteristics  
A speech reference enrollment method involves requesting a user speak a word; detecting a first utterance; requesting the user speak the word; detecting a second utterance; determining a first...
7313526 Speech recognition using selectable recognition modes  
The present invention relates to speech recognition using selectable recognition modes. This includes innovations such as: large vocabulary speech recognition programming that supplies recognized...
7295752 Video cataloger system with audio track extraction  
One aspect of the invention is directed to a system and method for video cataloging. The video is cataloged according to predefined or user definable metadata. The metadata is used to index and...
7289961 Data hiding via phase manipulation of audio signals  
Data are embedded in an audio signal for watermarking, steganography, or other purposes. The audio signal is divided into time frames. In each time frame, the relative phases of one or more...
7277853 System and method for a endpoint detection of speech for improved speech recognition in noisy environments  
According to a disclosed embodiment, an endpointer determines the background energy of a first portion of a speech signal, and a cepstral computing module extracts one or more features of the first...
7266497 Automatic segmentation in speech synthesis  
Systems and methods for automatically segmenting speech inventories. A set of Hidden Markov Models (HMMs) are initialized using bootstrap data. The HMMs are next re-estimated and aligned to produce...
7240002 Speech recognition apparatus  
The present invention provides a speech recognition apparatus having high speech recognition performance and capable of performing speech recognition in a highly efficient manner. A matching unit ...
7231346 Speech section detection apparatus  
A speech section detection apparatus capable of reliably detecting a speech section even for a word containing a glottal stop sound or for a word containing a succession of “s” column sounds or...
7225130 Methods, systems, and programming for performing speech recognition  
The present invention relates to: speech recognition using selectable recognition modes; using choice lists in large-vocabulary speech recognition; enabling users to select word transformations;...
7194409 Method and system for preventing error amplification in natural language dialogues  
A method and system for allowing a user to interface to an interactive voice response system via natural language commands. The system plays a prompt that initiates user interaction. In certain...
7177810 Method and apparatus for performing prosody-based endpointing of a speech signal  
A method and apparatus for finding endpoints in speech by utilizing information contained in speech prosody. Prosody denotes the way speakers modulate the timing, pitch and loudness of phones,...
7146318 Subband method and apparatus for determining speech pauses adapting to background noise variation  
A method for detecting pauses in speech signals is disclosed in which the frequency spectrum is divided into two or more sub-bands. Samples of the signals on the sub-bands are stored at intervals,...
6996525 Selecting one of multiple speech recognizers in a system based on performance predections resulting from experience  
A method for selecting a speech recognizer from a number of speech recognizers in a speech recognition system. The speech recognition system receives an audio stream from an application and derives...
6993481 Detection of speech activity using feature model adaptation  
According to the invention, a method for detecting speech activity for a signal is disclosed. In one step, a plurality of features is extracted from the signal. An active speech probability density...
6947892 Method and arrangement for speech recognition  
A method and arrangement for speech recognition wherein a volume distance is determined between recognized words and the pauses lying between them. When the volume distance of a word is lower than...
6947891 Efficient speech recognition system bases on an auditory model  
A speech recognition system that is insensitive to external noise and applicable to actual life includes an A/D converter that converts analog voice signals to digital signals. An FIR filtering...
6934685 Voice recognition device for toys  
The present invention provides a speech recognition device for toys comprising a storage means for measuring the length in time of a combination of two or more continuous words or expressions and...
6928407 System and method for the automatic discovery of salient segments in speech transcripts  
A system and associated method automatically discover salient segments in a speech transcript and focus on the segmentation of an audio/video source into topically cohesive segments based on...
6928404 System and methods for acoustic and language modeling for automatic speech recognition with large vocabularies  
Systems and methods are provided for generating a language component vocabulary VC for a speech recognition system having a language vocabulary V of a plurality of word forms. One method for...
6892190 Method and apparatus for machine translation and recording medium  
Disclosed herein is a machine translation system which can automatically switch from one or more dictionaries to more appropriate dictionaries for translating a first language to a second language....
6889187 Method and apparatus for improved voice activity detection in a packet voice network  
A method and apparatus for detecting and transmitting voice signals in a packet voice network system. The method and apparatus make use of a voice activity detection (VAD) unit at a transmitter,...
6873953 Prosody based endpoint detection  
A method and apparatus are provided for performing prosody based endpoint detection of speech in a speech recognition system. Input speech represents an utterance, which has an intonation pattern....
6862713 Interactive process for recognition and evaluation of a partial search query and display of interactive results  
A method for presenting to an end-user the intermediate matching search results of a keyword search in an index list of information. The method comprising the steps of: coupling to a search engine...
RE38649 Method and apparatus for word counting in continuous speech recognition useful for reliable barge-in and early end of speech detection  
Speech recognition technology has attained maturity such that the most likely speech recognition result has been reached and is available before an energy based termination of speech has been made....
6782363 Method and apparatus for performing real-time endpoint detection in automatic speech recognition  
A method and apparatus for performing real-time endpoint detection for use in automatic speech recognition. A filter is applied to the input speech signal and the filter output is then evaluated...
6741962 Speech recognition system and standard pattern preparation system as well as speech recognition method and standard pattern preparation method  
A speech recognition system for recognizing an input voice of a narrow frequency band. The speech recognition system includes: a frequency band converting unit for converting the input voice of the...
6718302 Method for utilizing validity constraints in a speech endpoint detector  
A method for utilizing validity constraints in a speech endpoint detector comprises a validity manager that may utilize a pulse width module to validate utterances that include a plurality of...
6711536 Speech processing apparatus and method  
An apparatus is provided for detecting the presence of speech within an input speech signal. Speech is detected by treating the average frame energy of an input speech signal as a sampled signal...
6606599 Method for integrating computing processes with an interface controlled by voice actuated grammars  
According to the present invention, a method for integrating processes with a multi-faceted human centered interface is provided. The interface is facilitated to implement a hands free, voice...
6574601 Acoustic speech recognizer system and method  
An adaptive endpointer system and method are used in speech recognition applications, such as telephone-based Internet browsers, to determine barge-in events during the processing of speech. The...
6539350 Method and circuit arrangement for speech level measurement in a speech signal processing system  
Speech level measurement is particularly significant for successful echo compensation in telecommunications systems, for noise suppression in a noisy environment, for example in military vehicles,...
6496799 End-of-utterance determination for voice processing  
A voice processing system receives spoken input from a user, which is subjected to speech recognition to convert the spoken input into a text equivalent. The semantic and/or prosodic properties of...
6466906 Noise padding and normalization in dynamic time warping  
A speech recognition system includes a token builder, a noise estimator, a template padder, a gain and noise adapter and a dynamic time warping (DTW) unit. The token builder produces a widened test...
6456970 Minimization of search network in speech recognition  
The search network in a speech recognition system is reduced by parsing the incoming speech expanding all active paths ( 101 ), comparing to speech models and scoring the paths and storing...
6453292 Command boundary identifier for conversational natural language  
An apparatus for automatically identifying command boundaries in a conversational natural language system, in accordance with the present invention, includes a speech recognizer for converting an...
6453291 Apparatus and method for voice activity detection in a communication system  
In order for the Voice Activity Detector (VAD) decision to overcome the problem of being over-sensitive to fluctuating, non-stationary background noise conditions, a bias factor is used to increase...
6438521 Speech recognition method and apparatus and computer-readable memory  
A central processing unit determines whether speech separately uttered as a single syllable is included in input speech. On the basis of the determination result, an output unit is used to notify...
6405168 Speaker dependent speech recognition training using simplified hidden markov modeling and robust end-point detection  
A speech recognition training system that provides for model generation to be used within speaker dependent speech recognition systems requiring very limited training data, including single token...
6393395 Handwriting and speech recognizer using neural network with separate start and continuation output scores  
A method and system for recognizing user input information including cursive handwriting and spoken words. A time-delayed neural network having an improved architecture is trained at the word level...
6377923 Speech recognition method and system using compression speech data  
A vocoder based voice recognizer recognizes a spoken word using linear prediction coding (LPC) based, vocoder data without completely reconstructing the voice data. The recognizer generates at...
6324509 Method and apparatus for accurate endpointing of speech in the presence of noise  
An apparatus for accurate endpointing of speech in the presence of noise includes a processor and a software module. The processor executes the instructions of the software module to compare an...
Matches 1 - 50 out of 168 1 2 3 4 >