| 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) |
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| 06/14/2000 | EP1008141A1 Reducing sparseness in coded speech signals |
| 06/14/2000 | EP1008138A1 System for fourier transform-based modification of audio |
| 06/13/2000 | US6076052 Message playback device and message playback method |
| 06/13/2000 | CA2147772C Method of and apparatus for signal recognition that compensates for mismatching |
| 06/07/2000 | EP1006511A1 Sound processing method and device for adapting a hearing aid for hearing impaired |
| 06/07/2000 | EP1006510A2 Signal encoding and decoding system |
| 06/07/2000 | CN1256000A Method and device forr emphasizing pitch |
| 06/06/2000 | US6073103 Display accessory for a record playback system |
| 06/06/2000 | US6073101 Text independent speaker recognition for transparent command ambiguity resolution and continuous access control |
| 06/06/2000 | US6073100 Method and apparatus for synthesizing signals using transform-domain match-output extension |
| 06/06/2000 | US6071123 Method and device for enhancing the recognition of speech among speech-impaired individuals |
| 05/31/2000 | EP0970466A4 Voice conversion system and methodology |
| 05/30/2000 | US6070137 Integrated frequency-domain voice coding using an adaptive spectral enhancement filter |
| 05/30/2000 | US6070135 Method and apparatus for discriminating non-sounds and voiceless sounds of speech signals from each other |
| 05/25/2000 | WO2000030287A1 Processing received data in a distributed speech recognition process |
| 05/25/2000 | WO2000030264A1 Signal processing apparatus and method |
| 05/25/2000 | DE19844223A1 Telephone-based information retrieval device by voice input recognises input speech, searches local database and connects to different information source if information is not present |
| 05/24/2000 | CN1254433A A high resolution post processing method for speech decoder |
| 05/24/2000 | CN1254221A Method and device for producing wide-band signal based on narrow-band signal and its technical equipment |
| 05/24/2000 | CN1254160A Electronic equipment with recording and playback function |
| 05/23/2000 | US6067519 Waveform speech synthesis |
| 05/23/2000 | US6067518 Linear prediction speech coding apparatus |
| 05/23/2000 | US6067095 Method for generating mouth features of an animated or physical character |
| 05/22/2000 | WO2000030404A1 Binaural signal processing techniques |
| 05/18/2000 | WO2000027284A1 System and method for processing low signal-to-noise ratio signals |
| 05/18/2000 | CA2362357A1 System and method for processing low signal-to-noise ratio signals |
| 05/17/2000 | EP1001541A1 Sound decoder and sound decoding method |
| 05/17/2000 | CN1253353A By using intrinsic tone technique to make speaker standardization and conform with circumstances |
| 05/16/2000 | US6064964 Data processing apparatus having breath detecting function and image display control method using breath detection |
| 05/10/2000 | EP0998741A2 Transmission system with improved speech encoder |
| 05/09/2000 | US6061648 Speech coding apparatus and speech decoding apparatus |
| 05/09/2000 | US6061456 Noise cancellation apparatus |
| 05/04/2000 | WO2000025489A1 Signal separation method and device for non-linear mixing of unknown signals |
| 05/04/2000 | DE19859174C1 Method of signal processing a noisy acoustic signal determining the correlation between signal profiles using non linear noise reduction in deterministic systems |
| 05/03/2000 | EP0998166A1 Device for audio processing,receiver and method for filtering the wanted signal and reproducing it in presence of ambient noise |
| 05/03/2000 | EP0997003A2 A method of noise reduction in speech signals and an apparatus for performing the method |
| 05/02/2000 | US6058362 System and method for masking quantization noise of audio signals |
| 05/02/2000 | US6056552 Language analysis instrument |
| 04/27/2000 | WO2000023984A1 Speech processing |
| 04/27/2000 | CA2346967A1 Speech processing |
| 04/26/2000 | EP0996111A2 Speech processing apparatus and method |
| 04/26/2000 | EP0995189A1 Combined speech coder and echo canceler |
| 04/26/2000 | EP0995188A1 Methods and apparatus for measuring signal level and delay at multiple sensors |
| 04/26/2000 | EP0713597B1 Method for recognizing a spoken word in the presence of interfering speech |
| 04/20/2000 | WO2000022743A1 Method and apparatus for digital signal compression without decoding |
| 04/20/2000 | WO2000022611A1 Method and apparatus to prepare listener-interest-filtered works |
| 04/20/2000 | WO2000022605A1 Efficient watermark method and apparatus for digital signals |
| 04/20/2000 | WO2000022444A1 A method and system for updating noise estimates during pauses in an information signal |
| 04/20/2000 | DE19948038A1 Device for playing back a waveform applies a phase vocoder for smooth compression and expansion of a sound signal without thinning out or repeating a sound signal's specified segments enabling compression of variable sound signals. |
| 04/19/2000 | EP0994464A1 Method and apparatus for generating a wide-band signal from a narrow-band signal and telephone equipment comprising such an apparatus |
| 04/19/2000 | EP0994462A1 Excitation vector generator, speech coder & speech decoder |
| 04/19/2000 | EP0993671A1 Method for searching a noise model in noisy sound signals |
| 04/19/2000 | EP0993670A1 Method and apparatus for speech enhancement in a speech communication system |
| 04/19/2000 | CN1251195A Method for enhancing 3-D localization of speech |
| 04/19/2000 | CN1251192A Audio processing arrangement with multiple sources |
| 04/18/2000 | US6052665 Speech input terminal and speech synthesizing terminal for television conference system |
| 04/18/2000 | US6052659 Nonlinear filter for noise suppression in linear prediction speech processing devices |
| 04/13/2000 | DE19845560A1 Virtual call partner method, e.g. for call centres, involves using PC, speech recognition algorithm, image and sound documents, media for inputting/outputting them, telephone connection |
| 04/12/2000 | EP0993197A2 A method and an apparatus for the animation, driven by an audio signal, of a synthesised model of human face |
| 04/12/2000 | EP0992982A2 Vector quantization codebook generation method |
| 04/12/2000 | EP0992981A2 Vector quantization codebook generation method |
| 04/12/2000 | EP0992978A1 Noise reduction device and a noise reduction method |
| 04/12/2000 | EP0992933A2 Method for generating realistic facial animation directly from speech utilizing hidden markov models |
| 04/12/2000 | EP0912974B1 Method of reducing voice signal interference |
| 04/12/2000 | CN1051393C Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals |
| 04/11/2000 | US6049766 Time-domain time/pitch scaling of speech or audio signals with transient handling |
| 04/06/2000 | WO2000019407A1 Method and device of sampling pitch period of voice signal and device for time-axis compression/decompression of voice signal |
| 04/06/2000 | CA2345712A1 Method of sampling pitch period of voice signal and device for time-axis compression/decompression of voice signal |
| 04/05/2000 | EP0991054A2 Vector quantisation codebook generation method |
| 04/05/2000 | EP0990306A1 Methods and apparatus for blind signal separation |
| 04/05/2000 | CN1249889A Device and method for processing speech |
| 04/05/2000 | CN1249517A System for insertion of additional information in audio data |
| 04/04/2000 | CA2180065C Noise cancelling method and noise canceller |
| 03/30/2000 | WO2000017859A1 Noise suppression for low bitrate speech coder |
| 03/30/2000 | WO2000017855A1 Noise suppression for low bitrate speech coder |
| 03/30/2000 | CA2344695A1 Noise suppression for low bitrate speech coder |
| 03/30/2000 | CA2310491A1 Noise suppression for low bitrate speech coder |
| 03/28/2000 | US6044340 Accelerated convolution noise elimination |
| 03/28/2000 | US6044338 Signal processing method and apparatus and signal recording medium |
| 03/22/2000 | EP0986807A1 Method and apparatus for reproducing a recorded voice with alternative performance attributes and temporal properties |
| 03/22/2000 | CN1248339A Apparatus and method for rate determination in commuincation system |
| 03/16/2000 | WO2000014731A1 Apparatus and method for transmitting an improved voice signal over a communications device located in a vehicle with adaptive vibration noise cancellation |
| 03/16/2000 | WO2000014725A1 Speech detection with noise suppression based on principal components analysis |
| 03/16/2000 | WO2000014724A1 Method for reducing noise distortions in a speech recognition system |
| 03/16/2000 | WO2000014649A1 Signal processing |
| 03/16/2000 | WO1999062189A3 System and method for masking quantization noise of audio signals |
| 03/14/2000 | US6038532 Signal processing device for cancelling noise in a signal |
| 03/09/2000 | WO1999062253A3 Scalable audio coder and decoder |
| 03/09/2000 | WO1999062052A3 System and method for entropy encoding quantized transform coefficients of a signal |
| 03/08/2000 | EP0984433A2 Noise suppresser speech communications unit and method of operation |
| 03/08/2000 | EP0984429A2 Dimensionality reduction for speaker normalization and speaker and environment adaption using eigenvoice techniques |
| 03/08/2000 | EP0984354A2 Method for creating dictation macros |
| 03/08/2000 | EP0983575A1 Improvements in, or relating to, visual speech synthesis |
| 03/08/2000 | EP0807305B1 Spectral subtraction noise suppression method |
| 03/08/2000 | EP0797824B1 Speech processing |
| 03/08/2000 | CN1246686A Method for forming dictation macro |
| 03/07/2000 | US6035009 Apparatus for processing audio signal |
| 03/02/2000 | WO2000011781A1 Methods for adjusting audio signals responsive to changes in a power supply level and related communications devices |
| 03/02/2000 | WO2000011662A1 Method and apparatus for separation of impulsive and non-impulsive components in a signal |
| 03/02/2000 | WO2000011661A1 Adaptive gain reduction to produce fixed codebook target signal |