Patents
Patents for G10L 21 - Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility (18,985)
12/2004
12/14/2004US6832188 System and method of enhancing and coding speech
12/11/2004CA2462009A1 System and method for providing rules-based directory assistance automation
12/09/2004WO2004107319A1 Method and device for removing known acoustic signal
12/09/2004WO2004084181A3 Simple noise suppression model
12/09/2004US20040250078 Quantization -based data hiding employing calibration and locally adaptive quantization
12/09/2004US20040249862 Sync signal insertion/detection method and apparatus for synchronization between audio file and text
12/09/2004US20040247060 Impulse noise suppression device
12/09/2004US20040247037 Signal encoding device, method, signal decoding device, and method
12/09/2004US20040246862 Method and apparatus for signal discrimination
12/08/2004EP1484747A1 Audio level control for compressed audio signals
12/08/2004EP1483908A1 Audio frequency scaling during video trick modes utilizing digital signal processing
12/08/2004EP1483591A2 Voice activity detection (vad) devices and methods for use with noise suppression systems
12/08/2004EP1381955A4 Low power digital audio decoding/playing system for computing devices
12/08/2004CN1179325C Audio coding
12/08/2004CN1178810C Short message sending method in vehicular terminal
12/07/2004US6829360 Method and apparatus for expanding band of audio signal
12/07/2004CA2117587C System for adaptively reducing noise in speech signals
12/02/2004WO2004105343A2 Server apparatus and a data communications system
12/02/2004WO2004104987A1 Method and device for extending the audio signal band
12/02/2004US20040243416 Speech recognition
12/02/2004US20040243405 Service method for providing autonomic manipulation of noise sources within computers
12/02/2004US20040243404 Method and apparatus for improving voice quality of encoded speech signals in a network
12/02/2004US20040243402 Speech bandwidth extension apparatus and speech bandwidth extension method
12/02/2004US20040243400 Speech extender and method for estimating a wideband speech signal using a narrowband speech signal
12/02/2004US20040242157 Device and method for supressing periodic interference signals
12/02/2004US20040240680 System and process for robust sound source localization
12/02/2004CA2526261A1 Method and apparatus for extending band of audio signal using higher harmonic wave generator
12/01/2004EP1482483A2 Speech rate conversion apparatus, method and program thereof
12/01/2004EP1482482A1 Frequency expansion for Synthesiser
12/01/2004EP1481392A1 Trick mode audio playback
12/01/2004EP1481372A1 Method and system for generating caricaturized talking heads
12/01/2004EP1480589A1 Method and apparatus for removing noise from electronic signals
12/01/2004EP1329131A4 Sound-processing strategy for cochlear implants
12/01/2004EP0919096B1 Method for cancelling multichannel acoustic echo and multichannel acoustic echo canceller
12/01/2004CN2660651Y Noise preventing complex mic
12/01/2004CN1552171A Audio reproducing device
12/01/2004CN1552164A Method for conducting code conversion to audio-frequency signals code converter, network unit, wivefree communication network and communication system
12/01/2004CN1552146A Apparatus and method for inhibiting periodic interference signals
12/01/2004CN1552060A Improving transient performance of low bit rate audio coding systems by reducing pre-noise
12/01/2004CN1178204C Acoustic vector genrating device, and acoustic encoding and decoding device
12/01/2004CN1178202C Method for making speaker standarization and conform with circumstances
12/01/2004CN1178201C Information retrieving method and device, information storing method and device
11/2004
11/30/2004US6826528 Weighted frequency-channel background noise suppressor
11/25/2004WO2004102532A1 Improved audio coding systems and methods using spectral component coupling and spectral component regeneration
11/25/2004WO2004064039A3 Method and apparatus for artificial bandwidth expansion in speech processing
11/25/2004WO2004032816A3 Frequency altered feedback for treating non-stuttering pathologies
11/25/2004WO2004017163A3 System and method for selecting a music channel
11/25/2004US20040237044 Synchronization of web site content between languages
11/25/2004US20040236582 Server apparatus and a data communications system
11/25/2004US20040236572 Device and method for processing and audio signal
11/25/2004US20040236570 Method for pre-processing speech
11/25/2004US20040235531 Portable terminal, and image communication program
11/25/2004DE10319751A1 Headset used by person in vehicle, has adder combines air-borne noise and audio signals picked up by microphones
11/25/2004CA2521601A1 Improved audio coding systems and methods using spectral component coupling and spectral component regeneration
11/24/2004EP1480425A1 Portable terminal and program for generating an avatar based on voice analysis
11/24/2004EP1479163A2 Method of blind signal separation
11/24/2004EP1308050B1 System and method for enabling audio speed conversion
11/24/2004CN1550002A Bandwidth extension of a sound signal
11/24/2004CN1549999A Run time synthesizer adaptation to improve intelligibility of synthesized speech
11/23/2004US6823312 Personalized system for providing improved understandability of received speech
11/23/2004US6823310 Audio signal processing device and audio signal high-rate reproduction method used for audio visual equipment
11/23/2004US6823303 Speech encoder using voice activity detection in coding noise
11/23/2004US6822507 Adaptive speech filter
11/18/2004WO2004100602A2 Method and system for communication enhancement ina noisy environment
11/18/2004WO2004100128A1 System for generating a timed phomeme and visem list
11/18/2004US20040230428 Method and apparatus for blind source separation using two sensors
11/18/2004US20040230422 Method and related apparatus for determining vocal channel by occurrences frequency of zeros-crossing
11/18/2004US20040230421 Intonation transformation for speech therapy and the like
11/18/2004DE3943797B4 Vorrichtung zum Verarbeiten von Quelltondaten An apparatus for processing Quelltondaten
11/18/2004DE202004010382U1 Valve device for restoration of the natural breathing functions of a patient with a larynx prosthesis is located in a lower zone of the prosthesis, and is fixed by sewing
11/18/2004DE202004010360U1 Epiglottis prosthesis, fixed in an upper zone of the larynx prosthesis by sewing, is made of a biologically compatible material, in particular, a material with fungicidal and/or bactericidal properties
11/18/2004DE202004010342U1 Larynx prosthesis with means for reproduction of natural speech sounds comprises devices for acquisition speech nerve pulses and transformation of them into audible speech pulses
11/18/2004DE202004010341U1 Digital conservation and management of individual voice parts e.g. for human voice, has database for sound sample administration and for administration of filtered relevant correct information of voice
11/18/2004DE19753453B4 System zum Synchronisieren eines Films mit einem Text/Sprache-Umsetzer A system for synchronizing a film with a text / speech converter
11/17/2004EP1121764A4 Method and apparatus for digital signal compression without decoding
11/17/2004CN1547803A Audio processing device
11/16/2004US6820054 Audio signal processing for speech communication
11/16/2004US6820053 Method and apparatus for suppressing audible noise in speech transmission
11/11/2004WO2004098159A2 Telephone call handling center where operators utilize synthesized voices generated or modified to exhibit or omit prescribed speech characteristics
11/11/2004WO2004098158A2 Usb dictation device
11/11/2004WO2004097800A1 Audio reproducing program, audio reproducing method and audio reproducing apparatus
11/11/2004WO2004097799A1 System and method for spectral enhancement employing compression and expansion
11/11/2004WO2004097798A1 Speech decoder, speech decoding method, program, recording medium
11/11/2004WO2004097795A2 Adaptive voice enhancement for low bit rate audio coding
11/11/2004US20040225505 Audio coding systems and methods using spectral component coupling and spectral component regeneration
11/11/2004US20040225502 Record button on a computer system
11/11/2004DE10318598A1 Verfahren und Vorrichtung zur Echokompensation bei Sprachsignalen Method and device for echo cancellation for speech signals
11/11/2004CA2523599A1 Usb dictation device
11/10/2004EP1475997A2 Method and system for communication enhancement in a noisy environment
11/10/2004EP1475781A2 Voice recognition system and method
11/10/2004EP1475777A2 Keyword recognition apparatus and method, program for keyword recognition, including keyword and non-keyword model adaptation
11/10/2004EP1279166B1 Robust parameters for noisy speech recognition
11/10/2004CN1545368A Device and method for processing speech
11/10/2004CN1545086A Voice signal time delay estimating method based on ear hearing characteristics
11/04/2004WO2004095425A1 Method for isolating sound source by independent component analysis, sound source isolation processing system, and computer software program for the same
11/04/2004US20040220893 User interface for managing semantic objects
11/04/2004US20040220812 Speech-controlled animation system
11/04/2004US20040220800 Microphone array method and system, and speech recognition method and system using the same
11/04/2004US20040220769 System and process for tracking an object state using a particle filter sensor fusion technique
11/03/2004EP1473964A2 Microphone array, method to process signals from this microphone array and speech recognition method and system using the same