U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Examiner: Knepper, David D.


Primary examiner statistics: 497 patents; average approval time: 1260 days
Assistant examiner statistics: 95 patents; average approval time: 831 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
7454342 Coupled hidden Markov model (CHMM) for continuous audiovisual spe...
7447634 Speech recognizing apparatus having optimal phoneme series compar...
7424424 Communication system noise cancellation power signal calculation ...
7424423 Method and apparatus for formant tracking using a residual model
7415408 Speech recognizing apparatus with noise model adapting processing...
7412388 Language-enhanced programming tools
7409341 Speech recognizing apparatus with noise model adapting processing...
7392179 LPC vector quantization apparatus
7392183 Schedule event context for speech recognition
7392176 Encoding device, decoding device and audio data distribution syst...
7386447 Speech coder and method
7383184 Method for determining a characteristic data record for a data si...
7369990 Reducing acoustic noise in wireless and landline based telephony
RE40281 Signal processing utilizing a tree-structured array
7346498 Fast paired method of a 1-D cyclic convolution realization
7318025 Method for improving speech quality in speech transmission tasks
7315819 Apparatus for performing speaker identification and speaker searc...
7310596 Method and system for embedding and extracting data from encoded ...
7299179 Three-stage individual word recognition
7283966 Scalable audio communications utilizing rate-distortion based end...
7272552 Voice activity detection and silence suppression in a packet netw...
7263479 Determining characteristics of received voice data packets to ass...
7260540 Encoding device, decoding device, and system thereof utilizing ba...
7260527 Speech recognizing apparatus and speech recognizing method
7257531 Speech to text system using controlled vocabulary indices
7257536 Audio request interaction system
7254544 Speech processing unit with priority assigning function to output...
7254532 Method for making a voice activity decision
7254542 Portal data passing through non-persistent browser cookies
7251597 Method for tracking a pitch signal
7251604 Systems and method for archiving and retrieving navigation points...
7243072 Providing assistance to a subscriber device over a network
7243061 Multistage inverse quantization having a plurality of frequency b...
7240007 Speaker authentication by fusion of voiceprint match attempt resu...
7240002 Speech recognition apparatus
7236928 Joint optimization of speech excitation and filter parameters
7231349 Method and apparatus for compressing asymmetric clustering langua...
7225129 Visual display methods for in computer-animated speech production...
7222071 Audio data receipt/exposure measurement with code monitoring and ...
7219057 Speech recognition method

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
5193141 Vehicular voice storage, playback, and broadcasting device
5193142 Training module for estimating mixture gaussian densities for ...
5189727 Method and apparatus for language and speaker recognition
5170433 Active vibration control
5167004 Temporal decorrelation method for robust speaker verification
5165007 Feneme-based Markov models for words
5163110 Pitch control in artificial speech
5161210 Coder for incorporating an auxiliary information signal in a digi...
5159636 Audio signal expander apparatus
5157760 Digital signal encoding with quantizing based on masking from mul...
5157759 Written language parser system
5151968 Vector quantization encoder and vector quantization decoder
5150413 Extraction of phonemic information
5148525 Microprogram-controlled type bus control circuit
5148484 Signal processing apparatus for separating voice and non-voice au...
5146539 Method for utilizing formant frequencies in speech recognition
5146504 Speech selective automatic gain control
5146503 Speech recognition
5142585 Speech processing apparatus and methods
5140668 Phoneme recognition utilizing relative positions of reference pho...
5140639 Speech generation using variable frequency oscillators
5134658 Apparatus for discriminating information signals from noise signa...
5131043 Method of and apparatus for speech recognition wherein decisions ...
5129001 Method and apparatus for modeling words with multi-arc markov mod...
5119424 Speech coding system using excitation pulse train
5115468 SSB digital modulator
5105463 System for subband coding of a digital audio signal and coder and...
5091947 Speech recognition method and apparatus
5091945 Source dependent channel coding with error protection
5091877 Data processing apparatus
5068899 Transmission of wideband speech signals
5067158 Linear predictive residual representation via non-iterative spect...
5058166 Method of recognizing coherently spoken words
5056145 Digital sound data storing device
5056143 Speech processing system
5054072 Coding of acoustic waveforms
5054085 Preprocessing system for speech recognition
5050215 Speech recognition method
5046100 Adaptive multivariate estimating apparatus
5045327 Digital recording and playback module system
 
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