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)
03/2003
03/20/2003WO2003023764A1 Controlling a weighting filter based on the spectral content of a speech signal
03/20/2003US20030055647 Voice converter with extraction and modification of attribute data
03/20/2003US20030055646 Voice converter with extraction and modification of attribute data
03/20/2003US20030055636 System and method for enhancing speech components of an audio signal
03/20/2003US20030055635 Segmented mapping converter system and method
03/20/2003US20030055627 Multi-channel speech enhancement system and method based on psychoacoustic masking effects
03/20/2003US20030053640 Unobtrusive removal of periodic noise
03/20/2003US20030053639 Method for improving near-end voice activity detection in talker localization system utilizing beamforming technology
03/20/2003US20030053618 Synchronization of echo cancellers in a voice processing system
03/19/2003EP1293054A2 Noise reduction method and apparatus
03/19/2003CN2540335Y Integral microphone and earphone for preventing having whistler and echo
03/19/2003CN1404033A Voice compressing method for quasi-periodical waveform
03/19/2003CN1404031A Method of reducing storage space via altering the voice speed of similar data
03/18/2003US6535843 Automatic detection of non-stationarity in speech signals
03/13/2003WO2003022003A2 Audio reproducing device
03/13/2003WO2003021796A2 Multi modal communications system
03/13/2003WO2003021572A1 Noise reduction system and method
03/13/2003WO2002093876A3 Final signal from a near-end signal and a far-end signal
03/13/2003WO2002087137A3 Methods for changing the size of a jitter buffer and for time alignment, communications system, receiving end, and transcoder
03/13/2003WO2002021505A3 System and method for processing audio data
03/13/2003US20030050786 Method and apparatus for synthetic widening of the bandwidth of voice signals
03/13/2003US20030050785 System and method for eye-tracking controlled speech processing with generation of a visual feedback signal
03/13/2003US20030050780 Speaker and environment adaptation based on linear separation of variability sources
03/13/2003US20030050767 Noise reducing/resolution enhancing signal processing method and system
03/12/2003EP1291846A2 Voice synthesizing apparatus capable of adding vibrato effect to synthesized voice
03/12/2003EP1290912A2 Method for noise suppression in an adaptive beamformer
03/12/2003EP1290816A1 Method of extracting a signal
03/12/2003EP1290681A1 Transmitter for transmitting a signal encoded in a narrow band, and receiver for extending the band of the encoded signal at the receiving end, and corresponding transmission and receiving methods, and system
03/12/2003EP1290680A1 Transmitter for transmitting a signal encoded in a narrow band, and receiver for extending the band of the signal at the receiving end
03/12/2003CN1402591A Voice modulating talking system and headphone therefor
03/12/2003CN1402221A Device for modulating sound into multiple form sound
03/06/2003WO2003019924A1 System for text assisted telephony
03/06/2003WO2003019775A2 Audio processing device
03/06/2003WO2003019535A1 Data structure, generating method, reproducing method, recording method, recording medium and distributing method of voice data, and reproducing method of multimedia
03/06/2003WO2003019534A1 Bandwidth extension of a sound signal
03/06/2003WO2003019527A1 Apparatus and method for generating pitch waveform signal and apparatus and method for compressing/decompressing and synthesizing speech signal using the same
03/06/2003US20030046080 Method and apparatus to determine and use audience affinity and aptitude
03/06/2003US20030046079 Voice synthesizing apparatus capable of adding vibrato effect to synthesized voice
03/06/2003US20030046069 Noise reduction system and method
03/06/2003US20030044032 Audio reproducing device
03/06/2003US20030044024 Method and device for processing sound signals
03/06/2003CA2804058A1 System for text assisted telephony
03/06/2003CA2761343A1 System for text assisted telephony
03/05/2003EP1288914A2 Method for the correction of measured speech quality values
03/05/2003EP1287672A2 Method and device for acoustic echo cancellation combined with adaptive beamforming
03/05/2003EP1287521A1 Perceptual spectral weighting of frequency bands for adaptive noise cancellation
03/05/2003EP1287520A1 Spectrally interdependent gain adjustment techniques
03/04/2003US6529868 Communication system noise cancellation power signal calculation techniques
03/04/2003US6529866 Speech recognition system and associated methods
03/04/2003US6529606 Method and system for reducing undesired signals in a communication environment
02/2003
02/27/2003WO2003017719A1 Integrated sound input system
02/27/2003WO2003017201A1 Increasing the size of a data-set and watermarking
02/27/2003WO2003015884A1 Massively online game comprising a voice modulation and compression system
02/27/2003US20030040916 Voice driven mouth animation system
02/26/2003EP1286334A2 Method and circuit arrangement for reducing noise during voice communication in communications systems
02/26/2003EP1286333A1 Method and apparatus for processing a sound signal
02/26/2003EP1286332A1 Sound processing method and device for modifying a sound characteristic, such as an impression of age associated to a voice
02/26/2003EP1286328A2 Method for improving near-end voice activity detection in talker localization system utilizing beamforming technology
02/26/2003EP1285436A1 Improved spectral translation/folding in the subband domain
02/26/2003EP1285433A1 Speech synthesis from interpolated voices
02/26/2003EP1090382A4 A noise suppressor having weighted gain smoothing
02/26/2003EP0979503B1 Targeted vocal transformation
02/26/2003CN1399247A Electronic equipment capable of avoiding error in phonetic recognization and raising phonetic recognization rate
02/25/2003US6526385 System for embedding additional information in audio data
02/25/2003US6526378 Method and apparatus for processing sound signal
02/25/2003US6526325 Pitch-Preserved digital audio playback synchronized to asynchronous clock
02/25/2003US6526140 Consolidated voice activity detection and noise estimation
02/25/2003US6526139 Consolidated noise injection in a voice processing system
02/21/2003CA2397826A1 Method for improving near-end voice activity detection in talker localization system utilizing beamforming technology
02/20/2003WO2003015467A1 Spacing for microphone elements
02/20/2003WO2003015464A2 Directional audio signal processing using an oversampled filterbank
02/20/2003WO2003015082A1 Sound intelligibilty enchancement using a psychoacoustic model and an oversampled fiolterbank
02/20/2003WO2002103999A3 Bit stream conversion system
02/20/2003US20030035549 Signal processing system and method
02/19/2003CN1398126A Method for implementing multi-language coding-decoding in universal mobile communication system
02/19/2003CN1398052A Rate variable voice coder
02/18/2003US6523003 Spectrally interdependent gain adjustment techniques
02/18/2003US6522863 Multiple listening training device and a multiple listening training recording medium
02/18/2003US6522746 Synchronization of voice boundaries and their use by echo cancellers in a voice processing system
02/13/2003US20030033149 Methods and systems of simulating movement accompanying speech
02/13/2003US20030033148 Spacing for microphone elements
02/13/2003US20030033144 Integrated sound input system
02/13/2003US20030033140 Time-scale modification of signals
02/13/2003US20030033139 Method and circuit arrangement for reducing noise during voice communication in communications systems
02/13/2003US20030033094 Empirical mode decomposition for analyzing acoustical signals
02/13/2003US20030031317 Increasing the size of a data-set and watermarking
02/13/2003DE10137395C1 Noise interference suppression method in hearing aid, involves performing non-linear modification of instant amplitude signal to obtain modified signal for linking with instant phase signal to output voice signal
02/12/2003CN2535897Y 语音控制装置 Voice control device
02/12/2003CN1397064A System and method for modifying speech signals
02/12/2003CN1397063A Method for control of unit comprising acoustic output device
02/12/2003CN1397062A Voice-controlled television set and control method thereof
02/12/2003CN1101581C Speeking speed changing method and device thereof
02/11/2003US6519567 Time-scale modification method and apparatus for digital audio signals
02/11/2003US6519559 Apparatus and method for the enhancement of signals
02/11/2003US6519558 Audio signal pitch adjustment apparatus and method
02/07/2003CA2354755A1 Sound intelligibilty enhancement using a psychoacoustic model and an oversampled filterbank
02/06/2003WO2003010752A1 Speech bandwidth extension apparatus and speech bandwidth extension method
02/06/2003WO2001073751A9 Speech presence measurement detection techniques
02/06/2003US20030028374 Method for suppressing noise as well as a method for recognizing voice signals
02/06/2003US20030028372 Signal enhancement for voice coding