Matches 301 - 350 out of 353 < 1 2 3 4 5 6 7 8 >
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4888823 System for continuous speech recognition through transition networks  
Phoneme feature parameters are extracted from input digital speech signals by means of LPC analysis. Phonetic segments having phonetical meanings are obtained together with similarities to...
4885791 Apparatus for speech recognition  
Disclosed is a speech recognition apparatus comprising: a speech analysis portion for extracting parameters necessary for determination of spoken words; a speech period detecting portion for...
4866778 Interactive speech recognition apparatus  
A speech recognition system which can perform multiple recognition passes on each word. If the recognizer is correct in its first pass, the operator may abort later passes by either pressing a key...
4852170 Real time computer speech recognition system  
Speech may be analyzed digitally and recognized in real time by a system which includes a spectrum analyzer which determines the frequency content of successive segments of speech. Each speech...
4833714 Speech recognition apparatus  
A word speech recognition apparatus recognizes a speech inputted to a microphone (11). A feature extracting portion (20) extracts a feature parameter based on a aural signal waveform outputted from...
4829572 Speech recognition system  
The present invention provides a system for recognizing speech in which a profile is constructed of a related characteristic of each significant phoneme in a language. A difference profile is...
4827522 Pattern recognition apparatus for determining a reference pattern by K-L expansion utilizing a power method  
Disclosed is a pattern recognition and learning apparatus which compares an input pattern with a reference patterns to recognize a category of the input pattern, and learns a reference pattern from...
4820059 Speech processing apparatus and methods  
Speech processing apparatus and methods utilizing a circuit for electronically deriving from speech over time a series of coordinate values representing positions of points on a path in a...
4817159 Method and apparatus for speech recognition  
Speech parameters (P h and P l ) are derived for consonant classification and recognition by separating a speech signal into Low and High frequency bands, then in each band obtaining the time...
4813074 Method of and device for segmenting an electric signal derived from an acoustic signal  
A method and device for segmenting an electric (acoustic) signal. A number of parameters, for example "log area" parameters, are derived as a function of time from the electric signal (block 2)....
4805218 Method for speech analysis and speech recognition  
A method of speech analysis calculates one or more difference parameters for each of a sequence of acoustic frames, where each difference parameter is a function of the difference between an...
4803729 Speech recognition method  
Smoothed frame labeling associates phonetic frame labels with a given speech frame as a function of (a) the closeness with which the given frame compares to each of a plurality of acoustic models,...
4783807 System and method for sound recognition with feature selection synchronized to voice pitch  
Speech signals are transformed into phoneme identification signals which represent the first two positive slope durations following the maximum peak amplitude of a pitch cycle.
4769844 Voice recognition system having a check scheme for registration of reference data  
A voice recognition system includes a microphone for converting a voice in the form of pressure waves into an electrical voice signal and a keyboard for inputting the phonetic spelling of the...
4759068 Constructing Markov models of words from multiple utterances  
Speech recognition is improved by splitting each feneme string at a consistent point into a left portion and a right portion. The present invention addresses the problem of constructing fenemic...
4757541 Audio visual speech recognition  
A method and apparatus for indicating at least some of a sequence of spoken phonemes in which detected sounds are analyzed to determine a group of phonemes to which a phoneme belongs, the lipshape...
4736429 Apparatus for speech recognition  
Apparatus for speech recognition, having each phoneme as a fundamental recognition unit, recognizes input speech by discriminating phonemes in the input speech. The apparatus comprises a memory for...
4723290 Speech recognition apparatus  
Speech recognition is improved by first recognizing a sequence of phonemes, then generating a compatibility coefficient between two continuous phonemes to modify the similarity measurements. The...
4720864 Speech recognition apparatus  
This invention relates to a speech recognition apparatus for raising the recognition speed, which is provided with first and second processors, the first processor mainly carrying out feature...
4703504 Method and apparatus for the phonetic recognition of words  
The method consists in analyzing phonemes of the phonetic signal at regular intervals of time, comparing the phonemes with a series of reference phonemes, selecting the reference phoneme closest to...
4696042 Syllable boundary recognition from phonological linguistic unit string data  
The present invention provides syllable boundaries from a string of phonological linguistic unit indicia and word boundary data. The syllable boundary recognizer places a syllable boundary either...
4665548 Speech analysis syllabic segmenter  
A speech pattern is partitioned into its syllabic subunits by generating signals representative of the speech energy and autocorrelation features of the time frames portions thereof. The peak...
4661915 Allophone vocoder  
An allophone vocoder which utilizes the inherent redundancy of the spoken language together with the automatic human filtering of speech so as to obtain a speech compression and recognition system....
4625287 Monosyllable recognition apparatus  
A monosyllabic recognition apparatus is disclosed which includes a first memory which stores reference vowel patterns respectively representing vowel categories of known reference monosyllables of...
4624010 Speech recognition apparatus  
A speech recognition apparatus includes a speech signal analyzing circuit for time-sequentially generating acoustic parameter patterns representing the phonetic features of speech signals, and...
4624011 Speech recognition system  
An acoustic signal processing circuit extracts input speech pattern data and subsidiary feature data from an input speech signal. The input speech pattern data comprise frequency spectra, whereas...
4592085 Speech-recognition method and apparatus for recognizing phonemes in a voice signal  
Phoneme recognition uses the silence-phoneme and phoneme-phoneme transition spectral information rather than the phoneme information itself. The transition detector features first and second...
4590605 Method for production of speech reference templates  
In this speech recognition system, a set of templates for each phoneme includes clusters of speech patterns based on two speech features: "physical" features (formant spectra of men versus women)...
4581756 Recognition of speech or speech-like sounds using associative memory  
Spoken words are recognized in a sequence of steps: first finding candidate words in the form of mono-syllabic sequences; then associating (correcting) each mono-syllabic sequence to more...
4559604 Pattern recognition method  
In a machine implemented voice recognition method, as a first step speech signals are analyzed for feature vectors which are used to compare input signals with prestored reference signals. Patterns...
4528688 Continuous speech recognition method  
This speech signal recognition system compares the two-dimensionals pattern (time sequence of feature vectors) of an unknown signal to prestored standard references patterns for recognition, thus...
4520501 Speech presentation system and method  
A speech presentation method and apparatus which afford a dual multiple point matrix presentation of speech as patterns of points corresponding to codes representing speech phonemes and the...
4509186 Method and apparatus for speech message recognition  
Speech recognition by first log-compressing the speech signal, then filtering into subband signals which are subtracted to form an indicator of voiced, unvoiced and silence intervals, whereby...
4490840 Oral sound analysis method and apparatus for determining voice, speech and perceptual styles  
Vocal sounds of organisms, particularly humans, may be analyzed for characteristics defined as voice-style (resonance, quality), speech-style (variable-monotone, choppy-smooth, etc.), and...
4489435 Method and apparatus for continuous word string recognition  
A speech recognition method and apparatus for recognizing word strings in a continuous audio signal are disclosed. The word strings are made up of a plurality of elements, and each element,...
4405838 Phoneme information extracting apparatus  
A phoneme information extracting apparatus includes correlation data generators for successively generating correlation data representing the correlation between the acoustic power spectrum data...
4401851 Voice recognition apparatus  
A speech recognition circuit in which acoustic power spectrum data corresponding to an input speech signal are sequentially generated, a vowel segment is determined based on the acoustic power...
4388495 Speech recognition microcomputer  
A simplified, speaker independent, selected vocabulary, word recognizing microcomputer functions without the use of a typical front end filtering network. The microcomputer identifies vowel-like...
4343969 Apparatus and method for articulatory speech recognition  
An apparatus and method are provided for the recognition of speech produced by various vocal pitches capable of recognition and classification of speech articulation at a real time rate. The...
4178472 Voiced instruction identification system  
A voiced instruction identification system understands commands by examining a pattern of changes in short syllable (mora) sounds. Fundamental frequency is used as one symbolic value of mora for...
4177589 Three-dimensional animated facial control  
An artificially animated face with three-dimensional facial features formed of a flexible material is provided with remotely actuable concealed mechanisms for manipulating the jaw, rounding the...
4087632 Speech recognition system  
A speech recognition system is realized by applying a speech signal to a feature extractor wherein a sequence of predetermined features representing the speech signal are determined, and by...
4081607 Keyword detection in continuous speech using continuous asynchronous correlation  
A system for detecting one or more keywords in continuous speech is disclosed wherein a speech processor extracts a plurality of analog speech parameters from the input continuous speech, an STV...
4060694 Speech recognition method and apparatus adapted to a plurality of different speakers  
Speech recognition in prior art uses one extracted characteristic component (x i ) to represent one phoneme (X i ) as spoken by one speaker. This invention provides for recognizing the same phoneme...
3946157 Speech recognition device for controlling a machine  
In an apparatus for speech recognition, intended for controlling machines, spoken words are synthesized from two to twelve phoneme classes. Phonemes are recognized by analysis of speech sounds,...
3864518 Signal conversion apparatus  
Identification of complex signals such as a specific phoneme spoken by different speakers is accomplished by analyzing and normalizing the spoken phoneme's group of frequencies (formants) to a...
3808371 REAL-TIME MECHANICAL DETECTION OF DIPHTHONGS FOR SPEECH CONTROLLED PHONETIC TYPEWRITER  
An alternate and improved method and apparatus detecting and recognizing diphthongs by real-time mechanical means from spoken input. The improvement distinguishes diphthongs from other sounds...
3723667 APPARATUS FOR SPEECH COMPRESSION  
Means for recording and selectively deleting portions of normal speech sound which includes a recorder for receiving and recording speech signals from an input, with a drive means being provided...
3553372 SPEECH RECOGNITION APPARATUS  
Speech recognition is effected by zero crossing analysis of the speech waveform wherein the time interval between consecutive zero crossings is measured, with these intervals and combinations...
3471791 SYLLABIC DETECTOR SYSTEM  
Matches 301 - 350 out of 353 < 1 2 3 4 5 6 7 8 >