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)
03/2002
03/20/2002EP1189204A2 HMM-based noisy speech recognition
03/20/2002EP1016073B1 Method and apparatus for suppressing noise in a digital speech signal
03/20/2002EP0993670B1 Method and apparatus for speech enhancement in a speech communication system
03/19/2002US6360199 Speech coding rate selector and speech coding apparatus
03/19/2002US6359988 Process for introduce realistic pitch variation in artificial larynx speech
03/14/2002WO2002021505A2 System and method for processing audio data
03/14/2002WO2001010102A3 Acoustical echo cancellation device
03/14/2002US20020032744 Entertainment apparatus having image and sound controlling system
03/14/2002US20020032571 Method and apparatus for storing digital audio and playback thereof
03/14/2002DE10041512A1 Artificial broadening of voice signal bandwidth involves analysis filtering of narrowband voice signal, residual signal expansion and synthesis filtering with estimated filter coefficients
03/13/2002EP1187128A2 Audio signal processing apparatus and method thereof
03/13/2002EP1185976A1 Speech recognition device with reference transformation means
03/13/2002CN2482183Y Finger tough height measuring device
03/13/2002CN2482182Y 数据语音插座 Data Voice socket
03/13/2002CN2481575Y Advertisement voice prompting device on car
03/13/2002CN1339933A Sounding equipment and method for radio communication system mobile terminal
03/13/2002CN1339774A Method for controlling equipment, particularly the equipment in automobile by voice signal
03/12/2002US6356872 Method and apparatus for storing digital audio and playback thereof
03/12/2002US6356639 Audio decoding apparatus, signal processing device, sound image localization device, sound image control method, audio signal processing device, and audio signal high-rate reproduction method used for audio visual equipment
03/12/2002CA2228952C Noise cancellation and noise reduction apparatus
03/07/2002WO2002019319A1 Speech processing device and speech processing method
03/07/2002WO2002019318A1 Noise suppressor and noise suppressing method
03/07/2002US20020029148 Audio signal processing apparatus and method thereof
03/07/2002US20020029141 Speech enhancement with gain limitations based on speech activity
03/07/2002DE10041885A1 Speech signal transmission system e.g. for motor vehicle hands-free telephone, adjusts filter so that difference signal is minimum for given harmonic frequency
03/07/2002DE10041456A1 Verfahren zum Steuern von Geräten mittels Sprachsignalen, insbesondere bei Kraftfahrzeugen A method for controlling the device by means of speech signals, especially in motor vehicles
03/06/2002EP1077013B1 Method and device for operating voice-controlled systems in motor vehicles
03/06/2002CN2480952Y Sounding-lighting safety badge
03/06/2002CN1338727A Acoustic vector generator, and acoustic encoding and decoding device
03/06/2002CN1338726A Acoustic vector, and acoustic encoding and decoding device
03/06/2002CN1338725A Acoustic vector generator, and acoustic encoding and decoding device
03/06/2002CN1338724A Acoustic vector generator, and acoustic encoding and decoding device
03/06/2002CN1338723A Acoustic vector generator, and acoustic encoding and decoding apparatus
03/06/2002CN1338722A Acoustic vector generator, and acoustic encoding and decoding device
02/2002
02/28/2002WO2002017678A1 Sound-processing strategy for cochlear implants
02/28/2002WO2002017487A1 Partioned block frequency domain adaptive filter
02/28/2002WO2002017303A1 Method and device for artificially enhancing the bandwidth of speech signals
02/28/2002WO2002017299A1 Method for noise robust classification in speech coding
02/28/2002WO2002005537A8 Speech quality estimation for off-line speech recognition
02/28/2002US20020026318 Method of synthesizing voice
02/28/2002US20020025137 Audeo reproducing apparatus, audeo reproducing method, video-audio reproducing apparatus, and video-audio reproducing method
02/28/2002US20020025048 Method of transmitting voice information and an electronic communications device for transmission of voice information
02/28/2002US20020025003 Apparatus for processing a bit stream
02/28/2002CA2419319A1 Sound-processing strategy for cochlear implants
02/27/2002EP1182647A2 Method of voice control over devices in noisy environments
02/27/2002EP1182644A2 Method of synthesizing voice
02/27/2002CN2479605Y Plasma panel Chinese graphic and speech intelligent display
02/27/2002CN1338104A Data framing for adaptive-block-length coding system
02/26/2002US6351732 Tactile and visual hearing aids utilizing sonogram pattern
02/26/2002US6351731 Adaptive filter featuring spectral gain smoothing and variable noise multiplier for noise reduction, and method therefor
02/26/2002US6351532 Echo canceler employing multiple step gains
02/26/2002US6351010 Electrooptical device, substrate for driving electrooptical device and methods for making the same
02/21/2002WO2002015395A1 Voice enhancement system
02/21/2002WO2002015169A1 Multi-device audio-video with common echo canceling
02/21/2002US20020022957 Voice feature extraction device
02/21/2002US20020021799 Multi-device audio-video combines echo canceling
02/20/2002EP1180896A1 Sound generating device and method for a mobile terminal of a wireless telecommuniation system
02/20/2002EP1180300A1 Acoustic echo cancellation
02/20/2002EP1008138A4 System for fourier transform-based modification of audio
02/20/2002CN2478204Y Timing speech indication recording/playback device
02/20/2002CN1337043A Wideband audio transmission system
02/19/2002US6349197 Method and radio communication system for transmitting speech information using a broadband or a narrowband speech coding method depending on transmission possibilities
02/14/2002WO2002013540A2 System and method for enabling audio speed conversion
02/14/2002WO2002013196A2 Memory addressing method suitable for systems having a variable speed data reproduction capability
02/14/2002WO2002013185A1 Method and system for enabling audio speed conversion
02/14/2002WO2002013184A1 Computer system with integrated telephony, handwriting and speech recognition functions
02/14/2002WO2002013183A1 Voice data processing device and processing method
02/14/2002WO2002013182A1 Digital signal processing method, learning method, apparatuses for them, and program storage medium
02/14/2002WO2002013180A1 Digital signal processing method, learning method, apparatuses for them, and program storage medium
02/14/2002US20020019734 Recording apparatus for recording speech information for a subsequent off-line speech recognition
02/13/2002CN2476861Y Speaking machine with central processing unit
02/13/2002CN1335980A Wide band speech synthesis by means of a mapping matrix
02/07/2002WO2002011125A1 Attenuation of background noise and echoes in audio signal
02/07/2002WO2001073751A8 Speech presence measurement detection techniques
02/07/2002US20020016698 Device and method for audio frequency range expansion
02/07/2002US20020015500 Method and device for acoustic echo cancellation combined with adaptive beamforming
02/06/2002EP1178465A2 Method for noise adaptation in automatic speech recognition using transformed matrices
02/05/2002US6345247 Excitation vector generator, speech coder and speech decoder
02/05/2002CA2108663C Filtering method and device for reducing digital audio signal pre-echoes
01/2002
01/31/2002WO2002009090A2 Continuously variable time scale modification of digital audio signals
01/31/2002WO2001047335A3 Method for the elimination of noise signal components in an input signal for an auditory system, use of said method and a hearing aid
01/31/2002WO2001026420A3 Apparatus and method for mitigating hearing impairments
01/31/2002US20020013701 Virtual zero task time speech and voice recognition multifunctioning device
01/31/2002US20020013695 Method for noise suppression in an adaptive beamformer
01/30/2002EP1062659B1 Method and device for processing a sound signal
01/30/2002EP0941597B1 Interactive apparatus and method
01/30/2002CN1333994A Binaural signal processing techniques
01/30/2002CN1333624A Method and supplying selective dialect to user through changing speech sound
01/29/2002US6343267 Dimensionality reduction for speaker normalization and speaker and environment adaptation using eigenvoice techniques
01/29/2002US6342903 User selectable input devices for speech applications
01/24/2002WO2002007151A2 Method and apparatus for removing noise from speech signals
01/24/2002WO2001039370A3 Signal processing system and method
01/24/2002US20020010584 Interactive voice communication method and system for information and entertainment
01/24/2002US20020010583 Feature extraction apparatus and method and pattern recognition apparatus and method
01/24/2002US20020010581 Voice recognition device
01/24/2002US20020010580 Signal dependent method for bandwith savings in voice over packet networks
01/24/2002US20020010543 Method and system for route guiding
01/24/2002US20020009700 Multiple listening training device and a multiple listening training recording medium
01/24/2002US20020009203 Method and apparatus for voice signal extraction
01/24/2002CA2416926A1 Method and apparatus for removing noise from speech signals