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)
10/2005
10/13/2005US20050228660 Delay free noise suppression
10/13/2005US20050228659 Stealth communication method
10/13/2005US20050226431 Method and apparatus to detect and remove audio disturbances
10/13/2005DE10329055B4 Verfahren und Vorrichtung zur Echokompensation Method and device for echo cancellation
10/13/2005DE10312065B4 Verfahren und Vorrichtung zum Entmischen akustischer Signale Method and apparatus for de-mixing of acoustic signals
10/12/2005EP1585112A1 Delay free noise suppression
10/12/2005CN1682281A Method for controlling duration in speech synthesis
10/12/2005CN1682279A System and method of media file access and retrieval using speech recognition
10/12/2005CN1682278A Method of synthesis for a steady sound signal
10/12/2005CN1681002A Speech synthesis system, speech synthesis method, and program product
10/12/2005CN1223109C Enhancement of near-end voice signals in an echo suppression system
10/12/2005CN1223108C Echo canceling method and echo canceller
10/12/2005CN1223087C Spectrum modeling
10/12/2005CN1222925C Method and system for noise reduction
10/12/2005CN1222924C Voice personalization of speech synthesizer
10/11/2005US6954896 Browser-based arrangement for developing voice enabled web applications using extensible markup language documents
10/11/2005US6954745 Signal processing system
10/06/2005WO2005093714A1 Speech receiving device and viseme extraction method and apparatus
10/06/2005US20050222847 System and method for time domain audio slow down, while maintaining pitch
10/06/2005US20050222845 Device for transmitting speech information
10/06/2005US20050222844 Method and apparatus for generating spatialized audio from non-three-dimensionally aware applications
10/06/2005US20050222842 Acoustic signal enhancement system
10/06/2005US20050222840 Method and system for separating multiple sound sources from monophonic input with non-negative matrix factor deconvolution
10/06/2005US20050220313 Howling frequency component emphasis method and apparatus
10/06/2005US20050220133 Method and system for supporting increased channel density
10/06/2005DE102004012209A1 Noise reducing method for speech recognition system in e.g. mobile telephone, involves selecting noise models based on vehicle parameters for noise reduction, where parameters are obtained from signal that does not represent sound
10/05/2005EP1582089A1 Audio signal processing
10/05/2005EP1581929A2 Method and apparatus for artificial bandwidth expansion in speech processing
10/05/2005CN1679371A 传声器和通信接口系统 A microphone and a communication interface system
10/05/2005CN1679085A System and method for selecting a music channel
10/05/2005CN1679084A Transmission device, transmission method, reception device, reception method, transmission/reception device, communication device, communication method, recording medium, and program
10/05/2005CN1679083A Multichannel voice detection in adverse environments
10/05/2005CN1679082A Controlling loudness of speech in signals that contain speech and other types of audio material
10/05/2005CN1678129A Howling frequency component emphasis method and apparatus
10/05/2005CN1677489A Sound source vector generator, voice encoder, and voice decoder
10/05/2005CN1221942C Character animation
10/04/2005US6952672 Audio source position detection and audio adjustment
10/04/2005US6952668 Method and apparatus for performing packet loss or frame erasure concealment
10/04/2005US6952482 Method and apparatus for noise filtering
09/2005
09/29/2005US20050216258 Sound collecting mehtod and sound collection device
09/29/2005US20050213778 System for detecting and reducing noise via a microphone array
09/29/2005US20050213669 Digital signal processing apparatus and digital signal processing method
09/29/2005DE102004061782A1 Instant messaging communication system for motor vehicle, has communication module which receives instant messaging message that comprises message string, and text-to-speech engine which translates message string to acoustic signal
09/28/2005EP1581026A1 Method for detecting and reducing noise from a microphone array
09/28/2005EP1580730A2 Isolating speech signals utilizing neural networks
09/28/2005EP1287520A4 Spectrally interdependent gain adjustment techniques
09/28/2005CN1675958A 自动风噪声减小电路及其方法 Automatic wind noise reduction circuit and method
09/28/2005CN1675869A Error processing of useful information received via communication network
09/28/2005CN1675686A Trick mode audio playback
09/28/2005CN1675685A Perceptual normalization of digital audio signals
09/28/2005CN1674445A Digital signal processing apparatus and digital signal processing method
09/28/2005CN1674091A Sound identifying method for geographic information and its application in navigation system
09/27/2005US6950799 Speech converter utilizing preprogrammed voice profiles
09/27/2005US6950796 Speech recognition by dynamical noise model adaptation
09/27/2005US6950792 Arrangement for providing international prompts in a unified messaging system
09/27/2005CA2324898C Speech signal decoding method and apparatus, speech signal encoding/decoding method and apparatus, and program product therefor
09/22/2005US20050210268 Off-site detention monitoring system
09/22/2005US20050209856 Dialogue apparatus, dialogue method, and dialogue program
09/22/2005US20050209847 System and method for time domain audio speed up, while maintaining pitch
09/22/2005US20050209846 System and method for frequency domain audio speed up or slow down, while maintaining pitch
09/22/2005US20050207585 Active noise tuning system
09/22/2005US20050207502 Transcoder and code conversion method
09/22/2005US20050204904 Method and apparatus for evaluating and correcting rhythm in audio data
09/22/2005DE102005000818A1 Rauschunterdrückungssystem, Spracherkennungssystem und Fahrzeug-Navigationssystem Noise reduction system, speech recognition system, and vehicle navigation system
09/21/2005EP1577879A1 Active noise tuning system, use of such a noise tuning system and active noise tuning method
09/21/2005EP1576587A2 Method and apparatus for noise reduction
09/21/2005EP1399917B1 Editing of audio signals
09/21/2005EP1279163A4 Speech presence measurement detection techniques
09/21/2005EP1275108A4 Communication system noise cancellation power signal calculation techniques
09/21/2005EP1226578A4 Techniques for improving audio clarity and intelligibility at reduced bit rates over a digital network
09/21/2005CN1672462A Signal strength information dependent control of small electrodynamic transducers in audio systems
09/21/2005CN1670823A Method for detecting and reducing noise from a microphone array
09/21/2005CN1220334C Rate variable voice coder
09/21/2005CN1220179C Apparatus and method for rate determination in communication system
09/20/2005US6947894 User voice based resource saving preemption
09/20/2005US6947889 Excitation vector generator and a method for generating an excitation vector including a convolution system
09/20/2005US6947550 Acoustic echo cancellation
09/20/2005CA2290185C Wavelet-based energy binning cepstral features for automatic speech recognition
09/20/2005CA2140779C Method, apparatus and recording medium for coding of separated tone and noise characteristics spectral components of an acoustic signal
09/17/2005CA2497859A1 Method for detecting and reducing noise via a microphone array
09/15/2005WO2005086536A1 Method for noise reduction in an audio device and hearing aid with means for reducing noise
09/15/2005WO2005086476A1 Video acoustic content recording device and recording method
09/15/2005US20050204286 Speech receiving device and viseme extraction method and apparatus
09/15/2005US20050203744 Method, device and program for extracting and recognizing voice
09/15/2005US20050203736 Excitation vector generator, speech coder and speech decoder
09/15/2005US20050203735 Signal noise reduction
09/15/2005US20050201886 Nanocrystalline bolt and method for manufacturing same
09/14/2005EP1575034A1 Input sound processor
09/14/2005EP1574023A1 Avatar database for mobile video communications
09/14/2005EP1573948A2 Digital audio production device
09/14/2005EP1362342A4 A voice command identifier for a voice recognition system
09/14/2005CN1669074A Voice intensifier
09/14/2005CN1669073A Audio decoding device, decoding method, and program
09/14/2005CN1669070A Audio signal time-scale modification method using variable length synthesis and reduced cross-correlation computation
09/14/2005CN1669065A Method of audio-intonation calibration
09/14/2005CN1668057A Device and method for reducing white noise of mobile communication terminal
09/14/2005CN1667702A Input sound processor
09/13/2005US6944590 Method of iterative noise estimation in a recursive framework
09/13/2005US6944510 Audio signal time scale modification
09/09/2005WO2005083677A2 Method and system for generating training data for an automatic speech recogniser