| 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) |
|---|
| 03/02/2000 | WO2000011660A1 Adaptive tilt compensation for synthesized speech residual |
| 03/02/2000 | WO2000011659A1 Speech encoder using gain normalization that combines open and closed loop gains |
| 03/02/2000 | WO2000011658A1 Speech classification and parameter weighting used in codebook search |
| 03/02/2000 | WO2000011657A1 Completed fixed codebook for speech encoder |
| 03/02/2000 | WO2000011656A1 Comb codebook structure |
| 03/02/2000 | WO2000011655A1 Low complexity random codebook structure |
| 03/02/2000 | WO2000011654A1 Speech encoder adaptively applying pitch preprocessing with continuous warping |
| 03/02/2000 | WO2000011653A1 Speechencoder using continuous warping combined with long term prediction |
| 03/02/2000 | WO2000011652A1 Pitch determination using speech classification and prior pitch estimation |
| 03/02/2000 | WO2000011651A1 Synchronized encoder-decoder frame concealment using speech coding parameters |
| 03/02/2000 | WO2000011650A1 Speech codec employing speech classification for noise compensation |
| 03/02/2000 | WO2000011649A1 Speech encoder using a classifier for smoothing noise coding |
| 03/02/2000 | WO2000011648A1 Speech encoder using voice activity detection in coding noise |
| 03/02/2000 | CA2341551A1 Method and apparatus for separation of impulsive and non-impulsive components in a signal |
| 03/01/2000 | EP0982713A2 Voice converter with extraction and modification of attribute data |
| 03/01/2000 | EP0982684A1 Moving picture generating device and image control network learning device |
| 03/01/2000 | EP0981816A1 Audio coding systems and methods |
| 03/01/2000 | EP0560931B1 Methods for speech quantization and error correction |
| 02/29/2000 | US6032115 Apparatus and method for correcting the difference in frequency characteristics between microphones for analyzing speech and for creating a recognition dictionary |
| 02/29/2000 | US6032114 Method and apparatus for noise reduction by filtering based on a maximum signal-to-noise ratio and an estimated noise level |
| 02/24/2000 | WO2000010280A1 Adaptive rate wireless communication system and method |
| 02/22/2000 | US6029125 Reducing sparseness in coded speech signals |
| 02/22/2000 | US6028542 Digital signal processing apparatus |
| 02/16/2000 | EP0979506A1 Apparatus and method for rate determination in a communication system |
| 02/16/2000 | EP0979503A1 Targeted vocal transformation |
| 02/15/2000 | US6026067 Method and apparatus for reproducing audio signals at various speeds by dividing original audio signals into a sequence of frames based on zero-cross points |
| 02/10/2000 | WO2000007178A1 Method and apparatus for noise elimination through transformation of the output of the speech decoder |
| 02/10/2000 | WO1998057436A3 Source coding enhancement using spectral-band replication |
| 02/09/2000 | EP0978119A1 Non-uniform time scale modification of recorded audio |
| 02/09/2000 | CN1244085A Device and method for reproducing accoustic signals by voice generator of image displaying apparatus |
| 02/03/2000 | WO2000005923A1 Hearing aid having an improved speech intelligibility by means of frequency selective signal processing, and a method for operating such a hearing aid |
| 02/02/2000 | EP0977176A2 Speech processing method and apparatus, and recording medium |
| 02/02/2000 | EP0976125A2 Removing periodicity from a lengthened audio signal |
| 02/02/2000 | CN1049062C Method of converting speech |
| 01/27/2000 | WO1999062057A3 Transmission system with improved speech encoder |
| 01/26/2000 | EP0974221A1 Radiotelephone voice control device, in particular for use in a motor vehicle |
| 01/18/2000 | CA2170811C Noise cancelling device capable of achieving a reduced convergence time and a reduced residual error after convergence |
| 01/12/2000 | EP0971337A1 Method and device for emphasizing pitch |
| 01/12/2000 | EP0970467A2 Method of speech synthesis |
| 01/12/2000 | EP0970466A2 Voice conversion system and methodology |
| 01/12/2000 | EP0970465A2 Device and method for prosody generation at visual synthesis |
| 01/12/2000 | EP0970464A1 A method for enhancing 3-d localization of speech |
| 01/05/2000 | EP0969692A1 Device and method for processing speech |
| 01/04/2000 | US6011846 Methods and apparatus for echo suppression |
| 12/29/1999 | WO1999067774A1 A noise suppressor having weighted gain smoothing |
| 12/29/1999 | EP0655158B1 Method and apparatus for attenuating an unwanted audio signal in a mix of signals |
| 12/28/1999 | US6009396 Method and system for microphone array input type speech recognition using band-pass power distribution for sound source position/direction estimation |
| 12/28/1999 | US6009386 Speech playback speed change using wavelet coding, preferably sub-band coding |
| 12/28/1999 | US6009385 Speech processing |
| 12/28/1999 | US6009181 Method of controlling sound in computer monitor with sound processing functions |
| 12/23/1999 | WO1999066638A1 Adaptive state space signal separation, discrimination and recovery architectures and their adaptations for use in dynamic environments |
| 12/23/1999 | CA2334861A1 Adaptive state space signal separation, discrimination and recovery architectures and their adaptations for use in dynamic environments |
| 12/22/1999 | EP0966108A2 Dynamic bit allocation and apparatus and method for audio coding |
| 12/22/1999 | EP0965123A1 A high resolution post processing method for a speech decoder |
| 12/22/1999 | EP0870298A4 Noise cancellation and noise reduction apparatus |
| 12/22/1999 | CN1239368A Dynamic bit allocation apparatus and method for audio coding |
| 12/21/1999 | US6006180 Method and apparatus for recognizing deformed speech |
| 12/16/1999 | DE19826389A1 Signalkomprimierer für Audiogerät Signal compressor for audio equipment |
| 12/15/1999 | EP0964512A2 Signal compression for audio device |
| 12/14/1999 | US6002950 Satellite communication apparatus |
| 12/14/1999 | US6001131 Automatic target noise cancellation for speech enhancement |
| 12/08/1999 | EP0963041A2 Noise cancelling method and noise cancelling unit |
| 12/07/1999 | US5999956 Separation system for non-stationary sources |
| 12/07/1999 | US5999901 Telephone network apparatus and method using echo delay and attenuation |
| 12/02/1999 | WO1999062253A2 Scalable audio coder and decoder |
| 12/02/1999 | WO1999062189A2 System and method for masking quantization noise of audio signals |
| 12/02/1999 | WO1999062057A2 Transmission system with improved speech encoder |
| 12/02/1999 | WO1999062055A1 Sound decoder and sound decoding method |
| 12/02/1999 | WO1999062054A1 Signal noise reduction by spectral subtraction using linear convolution and causal filtering |
| 12/02/1999 | WO1999062053A1 Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging |
| 12/02/1999 | WO1999062052A2 System and method for entropy encoding quantized transform coefficients of a signal |
| 12/01/1999 | EP0961414A2 Method and apparatus for encoding, decoding and compression of audio-type data |
| 11/30/1999 | US5995935 Language information processing apparatus with speech output of a sentence example in accordance with the sex of persons who use it |
| 11/30/1999 | US5995925 Voice speed converter |
| 11/23/1999 | US5991725 System and method for enhanced speech quality in voice storage and retrieval systems |
| 11/23/1999 | US5991724 Apparatus and method for changing reproduction speed of speech sound and recording medium |
| 11/18/1999 | WO1999059136A1 Channel estimation system and method for use in automatic speaker verification systems |
| 11/17/1999 | CN1235320A Speech control command generator in noiseful environment |
| 11/17/1999 | CN1046607C 噪声抑制装置 Noise suppression apparatus |
| 11/16/1999 | US5987413 Envelope-invariant analytical speech resynthesis using periodic signals derived from reharmonized frame spectrum |
| 11/11/1999 | WO1999057938A1 Method and device for operating voice-controlled systems in motor vehicles |
| 11/11/1999 | WO1999057715A1 A system and method to improve the quality of coded speech coexisting with background noise |
| 11/10/1999 | EP0954852A1 Speech detection system employing multiple determinants |
| 11/10/1999 | EP0954850A2 Audio processing arrangement with multiple sources |
| 11/10/1999 | EP0954849A2 A method and apparatus for audio representation of speech that has been encoded according to the lpc principle, through adding noise to constituent signals therein |
| 11/10/1999 | CN1234935A Method and device for blind equalizing of transmission channel effects on digital speech signal |
| 11/10/1999 | CN1234895A Noise cancellation and noise reduction apparatus |
| 11/10/1999 | CN1046366C Discriminating between stationary and non-stationary signals |
| 11/09/1999 | US5983181 Method and apparatus for reading-out/collating a table document, and computer-readable recording medium with program making computer execute method stored therein |
| 11/09/1999 | US5982906 Noise suppressing transmitter and noise suppressing method |
| 11/09/1999 | US5982891 Systems and methods for secure transaction management and electronic rights protection |
| 11/03/1999 | EP0953969A1 Method for rendering speech with silence regulation |
| 11/03/1999 | EP0653091B1 Discriminating between stationary and non-stationary signals |
| 11/02/1999 | US5978824 Noise canceler |
| 11/02/1999 | US5978764 Speech synthesis |
| 11/02/1999 | US5978759 Apparatus for expanding narrowband speech to wideband speech by codebook correspondence of linear mapping functions |
| 11/02/1999 | CA2192498C Microphone expansion for background noise reduction |
| 10/28/1999 | DE19818609A1 Noise filtering method for handsfree system |
| 10/27/1999 | CN1233338A System and methods for communicating desired audio information over a communications medium |
| 10/27/1999 | CN1233025A Audio signal processor |