Matches 251 - 300 out of 354 < 1 2 3 4 5 6 7 8 >
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5708759 Speech recognition using phoneme waveform parameters  
A method and apparatus for computer speech recognition based on time-domain phoneme waveform identification. In Mainwave-Ripple Model (MRM) analysis, the waveform is located in a short interval...
5706398 Method and apparatus for compressing and decompressing voice signals, that includes a predetermined set of syllabic sounds capable of representing all possible syllabic sounds  
A method and apparatus for compressing voice signals for storage and later retrieval is disclosed. The apparatus includes a microphone, a voice processor, a speaker and data storage. The apparatus...
5704005 Speech recognition apparatus and word dictionary therefor  
A speech recognition apparatus is provided with a word dictionary managing subword sequences of words that have possibility of being input together with information indicating importance of each of...
5694520 Method and device for speech recognition  
A method and device for recognizing dialectal variations in a language. From an incoming speech is on one hand a speech recognition procedure being performed, and on the other hand the fundamental...
5687288 System with speaking-rate-adaptive transition values for determining words from a speech signal  
Speech recognition produces test signals from the speech signal which are compared with predetermined reference signals so as to form scores. Each subsequent test signal is compared with reference...
5684925 Speech representation by feature-based word prototypes comprising phoneme targets having reliable high similarity  
Digitized speech utterances are converted into phoneme similarity data and regions of high similarity are then extracted and used in forming the word prototype. By alignment across speakers...
5679001 Children's speech training aid  
A children's speech training aid compares a child's speech with models of speech, stored as sub-word acoustic models, and a general speech model to give an indication of whether or not the child...
5675707 Automated call router system and method  
An automated call routing system and method which operates on a call-routing objective of a calling party expressed in natural speech of the calling party. The system incorporates a speech...
5675705 Spectrogram-feature-based speech syllable and word recognition using syllabic language dictionary  
A speech recognizing device performing speech syllable recognition and language word identification. The speech syllable recognition is performed on an ensemble composed of nearly one thousand...
5675706 Vocabulary independent discriminative utterance verification for non-keyword rejection in subword based speech recognition  
A verification system to determine unknown input speech contains a recognized keyword or consists of speech or other sounds that do not contain any of the keywords. The verification system is...
5638486 Method and system for continuous speech recognition using voting techniques  
In a speech-recognition system having a plurality of classifiers, a voting window includes a sequence of outputs from each of the classifiers. For each classifier, a voting sum is generated...
5625749 Segment-based apparatus and method for speech recognition by analyzing multiple speech unit frames and modeling both temporal and spatial correlation  
Phonetic recognition is provided by capturing dynamical behavior and statistical dependencies of the acoustic attributes used to represent a subject speech waveform. A segment based framework is...
5615301 Automated language translation system  
A language translation system receives audio output from a television, a radio, or some other electronic device designed to present a program to a user, so as to identify any speech signal...
5615299 Speech recognition using dynamic features  
A speech recognition technique utilizes a set of N different principal discriminant matrices. Each principal discriminant matrix is associated with a distinct class. The class is an indication of...
5611019 Method and an apparatus for speech detection for determining whether an input signal is speech or nonspeech  
The speech detection apparatus comprises: a reference model maker for extracting a plurality of parameters for a speech detection from training data, and for making a reference model based on the...
5602960 Continuous mandarin chinese speech recognition system having an integrated tone classifier  
A speech recognition system for continuous Mandarin Chinese speech comprises a microphone, an A/D converter, a syllable recognition system, an integrated tone classifier, and a confidence score...
5596679 Method and system for identifying spoken sounds in continuous speech by comparing classifier outputs  
In a speech-recognition system having a plurality of classifiers, a voting window includes a sequence of outputs from each of the classifiers. At each interval in the voting window, the outputs are...
5583969 Speech signal processing apparatus for amplifying an input signal based upon consonant features of the signal  
An apparatus for processing a speech signal includes a coefficient calculating circuit for receiving an input signal, and for generating a first value for suppressing a change of level of the input...
5528728 Speaker independent speech recognition system and method using neural network and DTW matching technique  
Improved speaker independent speech recognition system and method are disclosed in which an utterance by an unspecified person into an electrical signal is input through a device such as a...
5526259 Method and apparatus for inputting text  
By inputting an input text in voice or phonogram and also the source information which is a source of the input text, extracting candidate words composing the input text by analyzing the source...
5515475 Speech recognition method using a two-pass search  
A method of recognizing speech comprises searching a vocabulary of words for a match to an unknown utterance. Words in the vocabulary are represented by concatenated allophone models and the...
5502790 Speech recognition method and system using triphones, diphones, and phonemes  
A speech recognition system starts by training hidden Markov models for all triphones, diphones, and phonemes occurring in a small training vocabulary. Hidden Markov models of a target vocabulary...
5475796 Pitch pattern generation apparatus  
A pitch pattern defining intonation for a text-to-speech system is generated in accordance with a part of speech (e.g., noun, verb, adjective, adverb, etc.) of each word which can be determined...
5475792 Telephony channel simulator for speech recognition application  
A telephony channel simulation process is disclosed for training a speech recognizer to respond to speech obtained from telephone systems. An input speech data set is provided to a speech...
5459815 Speech recognition method using time-frequency masking mechanism  
A speech recognition method in which input speech signals are converted to digital signals and then time sequentially converted to cepstrum coefficients or logarithmic spectra. Dynamic spectrum...
5455889 Labelling speech using context-dependent acoustic prototypes  
The present invention relates to labelling of speech in a context-dependent speech recognition system. When labelling speech using context-dependent prototypes the phone context of a frame of...
5454062 Method for recognizing spoken words  
A method for identifying any one of a plurality of utterances using a programmed digital computing system, each utterance having an audible form representable by a sequence of speech elements each...
5444817 Speech recognizing apparatus using the predicted duration of syllables  
A speech recognizing apparatus designed to predicate a duration of a recognition unit to be subsequently recognized with the use of both of the duration of the recognition unit already recognized...
5390278 Phoneme based speech recognition  
A flexible vocabulary speech recognition system is provided for recognizing speech transmitted via the public switched telephone network. The flexible vocabulary recognition (FVR) system is a...
5369728 Method and apparatus for detecting words in input speech data  
An apparatus and method for recognizing speech includes a memory for storing data representing a reference pattern composed of the combination of a word reference pattern and a silence pattern, and...
5347612 Voice recognition system and method involving registered voice patterns formed from superposition of a plurality of other voice patterns  
After sampling a voice signal by a microphone (31), a voice interval is detected by a voice interval detector (32). Then, the voice signal is processed by a frequency analyzer (33) having a...
5329608 Automatic speech recognizer  
Apparatus and method for recording data in a speech recognition system and recognizing spoken data corresponding to the recorded data. The apparatus and method responds to entered data by...
5313522 Apparatus for generating from an audio signal a moving visual lip image from which a speech content of the signal can be comprehended by a lipreader  
A device for facilitating comprehension by a hearing impaired person of a telephone conversation includes a cord coupling to a telephone line a circuit which can convert the received audio speech...
5218668 Keyword recognition system and method using template concantenation model  
Similarity is measured between incoming speech and a plurality of candidate strings of filler and keyword templates to test the hypothesis of a keyword being present against the hypothesis of a...
5202926 Phoneme discrimination method  
To improve the accuracy of phoneme discrimination, a first phoneme discrimination method composes analyzing, not only static information on a voice but also dynamic information on the voice, power...
5195167 Apparatus and method of grouping utterances of a phoneme into context-dependent categories based on sound-similarity for automatic speech recognition  
Symbol feature values and contextual feature values of each event in a training set of events are measured. At least two pairs of complementary subsets of observed events are selected. In each pair...
5170432 Method of speaker adaptive speech recognition  
A method for recognizing spoken words of a speech includes extracting feature vectors from a speech signal which corresponds to a spoken phrase, and segmenting and classifying the successive...
5146539 Method for utilizing formant frequencies in speech recognition  
A speech recognizer which utilizes hypothesis testing to determine formant frequencies for use in speech recognition. A pre-processor (36) receives speech signal frames and utilizes linear...
5140668 Phoneme recognition utilizing relative positions of reference phoneme patterns and input vectors in a feature space  
In a phoneme recognition apparatus, first distances between input vectors and reference vectors are determined. If the first distances are lower than a threshold value, the input vectors are...
5131043 Method of and apparatus for speech recognition wherein decisions are made based on phonemes  
Linear prediction coefficients of a speech signal including unknown words are derived for each of successive periodic frame intervals. For every frame over the duration of an individual phoneme of...
5058166 Method of recognizing coherently spoken words  
During the recognition, speech values which are derived from sample values of the speech signals are compared with reference values, the words of a given vocabulary each time being given by a...
5054084 Syllable recognition system  
Syllables are recognized in voice data obtained from an input voice signal. Character arrays are used to represent the types and time frames of syllables with which the voice data are compared.
5027408 Speech-recognition circuitry employing phoneme estimation  
A phoneme estimator (12) in a speech-recognition system (10) includes trigger circuitry (18, 22) for identifying the segments of speech that should be analyzed for phoneme content. Speech-element...
4998280 Speech recognition apparatus capable of discriminating between similar acoustic features of speech  
A speech recognition apparatus including a memory for storing with respect to each feature specific to a particular phoneme a name of a process and a procedure of the process which is performed in...
4991216 Method for speech recognition  
Phoneme standard patterns are prepared beforehand using speech sounds from a number of individual speakers. Unknown input speech sounds are divided into continuous frames and then some of these...
4987596 Knowledge-guided automatic speech recognition apparatus and method  
An acoustic pattern of continuous input speech is divided by an acoustic analyzer into frames of a predetermined time interval. A similarity calculator calculates similarities between frame data...
4985924 Speech recognition apparatus  
A similarity memory stores a syllable recognition candidate and its similarity (j) supplied from a syllable recognition section at a specific storage position defined by reference syllable data and...
4980917 Method and apparatus for determining articulatory parameters from speech data  
A system and method for determining from continuous speech, the instantaneous values of a set of articulatory parameters. The continuous speech data is a sequence of spectral profiles obtained by...
4975959 Speaker independent speech recognition process  
According to this process, a speech signal is analyzed in a vector quantizer (1) in which the acoustic parameters are calculated for each interval of time of a predetermined value and are compared...
4937869 Phonemic classification in speech recognition system having accelerated response time  
An acoustic processing unit for a speech recognition system is characterized in that the parameters are extracted from the speech data, including correlation functions, the zero crossing number of...
Matches 251 - 300 out of 354 < 1 2 3 4 5 6 7 8 >