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)
07/2004
07/15/2004US20040136546 Tone converter and tone converting method of the same
07/15/2004US20040136545 System and method for distributed gain control
07/15/2004US20040136544 Method for eliminating an unwanted signal from a mixture via time-frequency masking
07/15/2004DE10216322B4 Stimmenkonverter Voices Converter
07/14/2004EP1216474B1 Efficient spectral envelope coding using variable time/frequency resolution
07/14/2004EP0996111B1 Speech processing apparatus and method
07/14/2004CN1512490A Method and device for inputing control signal
07/14/2004CN1512489A Method and device for selecting coding speed in variable speed vocoder
07/14/2004CN1512488A Method and device for selecting coding speed in variable speed vocoder
07/14/2004CN1512487A Method and device for selecting coding speed in variable speed vocoder
07/14/2004CN1512483A Method for realizing state conversion
07/14/2004CN1157976C Sounding equipment and method for radio communication system mobile terminal
07/13/2004US6763329 Method of converting the speech rate of a speech signal, use of the method, and a device adapted therefor
07/08/2004WO2004056298A1 Method and apparatus for removing noise from electronic signals
07/08/2004US20040133427 Computing distortion of media signals using embedded data with repetitive structure and log-polar mapping
07/08/2004US20040133426 Vocal sound input apparatus for automotive vehicle
07/08/2004US20040133423 Transient performance of low bit rate audio coding systems by reducing pre-noise
07/08/2004US20040133421 Voice activity detector (VAD) -based multiple-microphone acoustic noise suppression
07/08/2004US20040133292 Generalized envelope matching technique for fast time-scale modification
07/08/2004US20040131203 Spectral translation/ folding in the subband domain
07/08/2004US20040131197 Method for adaptive control of multichannel acoustic echo cancellation system and device therefor
07/07/2004EP1435089A1 Method and system for reducing a voice signal noise
07/07/2004CN1511312A High quality time-scaling and pitch-scaling of audio signals
07/07/2004CN1511311A Method for comparing audio signal by characterisation based on auditory events
07/07/2004CN1510661A Method and apparatus for using time frequency related coding and/or decoding digital audio frequency
07/07/2004CN1156819C Method of producing individual characteristic speech sound from text
07/07/2004CN1156751C Method and system for automatic generating speech SML file
07/06/2004US6760698 System for coding speech information using an adaptive codebook with enhanced variable resolution scheme
07/01/2004WO2004055782A1 Method and system for separating plurality of acoustic signals generated by plurality of acoustic sources
07/01/2004US20040128140 Determining context for speech recognition
07/01/2004US20040125973 Subband acoustic feedback cancellation in hearing aids
07/01/2004US20040125922 Communications device with sound masking system
07/01/2004US20040125878 Source coding enhancement using spectral-band replication
07/01/2004DE10196989T5 Verbessertes Sprachumwandlungssystem und -vorrichtung Enhanced voice conversion system and apparatus
06/2004
06/30/2004EP1433166A1 Speech extender and method for estimating a broadband speech signal from a narrowband speech signal
06/30/2004EP1433046A1 LOW POWER DIGITAL AUDIO DECODING/PLAYING SYSTEM FOR COMPUTING DEVICES
06/30/2004CN1508773A Voice letter box system and recording-playing method
06/29/2004US6757650 Excitation vector generator, speech coder and speech decoder
06/29/2004US6757575 Systems and methods for implementing audio de-clicking
06/29/2004US6757395 Noise reduction apparatus and method
06/24/2004WO2004054216A1 Avatar database for mobile video communications
06/24/2004WO2004053839A1 System and method for speech processing using independent component analysis under stability constraints
06/24/2004WO2004053838A2 Method and apparatus for noise reduction
06/24/2004US20040123129 Trusted infrastructure support systems, methods and techniques for secure electronic commerce transaction and rights management
06/24/2004US20040122664 System and method for speech enhancement
06/24/2004US20040122662 High quality time-scaling and pitch-scaling of audio signals
06/24/2004US20040120554 System and method for real time lip synchronization
06/24/2004US20040120309 Methods for changing the size of a jitter buffer and for time alignment, communications system, receiving end, and transcoder
06/24/2004US20040119889 Audio information transforming method, video/audio format, encoder, audio information transforming program, and audio information transforming device
06/23/2004EP1431962A2 Wideband speech coding system and method
06/23/2004EP1431864A2 Systems and methods for secure transaction management and electronic rights protection
06/23/2004EP1430749A2 Audio reproducing device
06/23/2004EP1430674A1 Device and method for suppressing periodic interference signals
06/23/2004EP1430630A2 Multi modal communications system
06/23/2004EP1430475A1 Bandwidth extension of a sound signal
06/23/2004EP1430472A2 Selective sound enhancement
06/23/2004CN1507689A Audio signal processing for speech communication
06/23/2004CN1507618A Encoding and decoding device
06/23/2004CN1154976C Method and apparatus for reproducing speech signals and method for transmitting same
06/22/2004US6754632 Methods and devices for delivering exogenously generated speech signals to enhance fluency in persons who stutter
06/22/2004US6754623 Methods and apparatus for ambient noise removal in speech recognition
06/22/2004US6754355 Digital hearing device, method and system
06/22/2004US6753882 Wrist audio player system and wrist audio player device
06/22/2004CA2281696C Apparatus and method for rate determination in a communication system
06/22/2004CA2131221C Method and apparatus for rendering objects on a display with added realism
06/17/2004WO2004051626A1 A system and method for generating simulated speech
06/17/2004US20040117188 Speech based personal information manager
06/17/2004US20040117186 Multi-channel transcription-based speaker separation
06/16/2004EP1429316A1 System and method for multi-referenced correction of spectral voice distortions introduced by a communication network
06/16/2004EP1429315A1 Method and system for suppressing echoes and noises in environments under variable acoustic and highly fedback conditions
06/16/2004EP1428315A1 Unobtrusive removal of periodic noise
06/16/2004EP1019906B1 A system and methodology for prosody modification
06/16/2004CN2620913Y Voice controlled remote controller for domestic electric equipment
06/16/2004CN1505783A Low power digital audio decoding/playing system for computing devices
06/16/2004CN1504993A Audio decoding method and apparatus for reconstructing high frequency components with less computation
06/16/2004CN1154087C Method of improving sound quality of low bit-rate audio coding systems, coder and decoder
06/10/2004WO2004049743A1 Method of providing various service with a particular person’s voice and image, managed by a altering and composing technology
06/10/2004WO2004049312A1 Method and apparatus for providing an animated display with translated speech
06/10/2004WO2004049303A1 Analysis of the vocal signal quality according to quality criteria
06/10/2004WO2004049283A1 A method, system and software for teaching pronunciation
06/10/2004WO2004034376A3 Methods for interoperation between adaptive multi-rate wideband (amr-wb) and multi-mode variable bit-rate wideband (wmr-wb) speech codecs
06/10/2004WO2004010417A3 System and method for distributed gain control for spectrum enhancement
06/10/2004WO2003096031A9 Voice activity detection (vad) devices and methods for use with noise suppression systems
06/10/2004US20040111260 Methods and apparatus for signal source separation
06/10/2004US20040111258 Method and apparatus for noise reduction
06/09/2004EP1426926A2 Apparatus and method for changing the playback rate of recorded speech
06/09/2004EP1425738A2 System and apparatus for speech communication and speech recognition
06/09/2004CN2620352Y Speech playing apparatus for repeater
06/09/2004CN1504042A Audio signal quality enhancement in a digital network
06/09/2004CN1503968A Bandwidth extension of acoustic signals
06/09/2004CN1503223A Sound source vector generator, voice encoder, and voice decoder
06/09/2004CN1153399C Method for improving current phonetic frame quality and radio system
06/09/2004CN1153207C Electronic equipment with recording and playback function
06/08/2004US6748357 Device and method for reproduction of sounds with independently variable duration and pitch
06/08/2004US6748356 Methods and apparatus for identifying unknown speakers using a hierarchical tree structure
06/08/2004US6748088 Method and device for operating a microphone system, especially in a motor vehicle
06/03/2004WO2004004297A3 Stationary spectral power dependent audio enhancement system
06/03/2004US20040107106 Apparatus and methods for generating visual representations of speech verbalized by any of a population of personas
06/03/2004US20040107103 Assessing consistency between facial motion and speech signals in video
06/03/2004US20040107090 Audio decoding method and apparatus for reconstructing high frequency components with less computation