| 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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| 04/10/2001 | CA2213699C A communication system and method using a speaker dependent time-scaling technique |
| 04/05/2001 | WO2001024416A1 Apparatus and method for de-esser using adaptive filtering algorithms |
| 04/05/2001 | WO2001024167A1 Noise suppressor |
| 04/05/2001 | WO2001003110A3 Off-site detention monitoring system |
| 04/05/2001 | WO2000067414A3 A method and apparatus for providing continuous playback of audio and audio-visual streamed multimedia having non-deterministic delays |
| 04/05/2001 | WO2000048171A8 Speech enhancement with gain limitations based on speech activity |
| 04/04/2001 | EP1089526A2 Telephone with sound customizable to audiological profile of user |
| 04/04/2001 | EP1089258A2 Apparatus for expanding speech bandwidth |
| 04/04/2001 | EP1089242A1 Supply of digital audio and video products |
| 04/04/2001 | EP1088394A1 Adaptive state space signal separation, discrimination and recovery architectures and their adaptations for use in dynamic environments |
| 04/03/2001 | US6212496 Customizing audio output to a user's hearing in a digital telephone |
| 04/03/2001 | CA2192397C Method and system for performing speech recognition |
| 03/29/2001 | WO2001022775A2 Subband acoustic feedback cancellation in hearing aids |
| 03/29/2001 | WO2001022404A1 Speech recognition apparatus and consumer electronics system |
| 03/29/2001 | WO2001022401A1 Processing circuit for correcting audio signals, receiver, communication system, mobile apparatus and related method |
| 03/29/2001 | DE19944467A1 Method of reducing acoustic noise signals enables significant improvement in signal processing based on presence of multi-microphone noise reduction algorithm |
| 03/28/2001 | EP1086453A1 Noise suppression using external voice activity detection |
| 03/28/2001 | CN1289112A Sound card type double-sound track phonetic machine |
| 03/27/2001 | US6208960 Removing periodicity from a lengthened audio signal |
| 03/27/2001 | US6208334 Text reading apparatus, text reading method and computer-readable medium storing text reading program |
| 03/22/2001 | WO2001020779A1 High volume expander circuit |
| 03/22/2001 | WO2001020598A1 Method for suppressing spurious noise in a signal field |
| 03/22/2001 | WO2001020596A1 Method and apparatus to determine and use audience affinity and aptitude |
| 03/22/2001 | DE19944325A1 Verfahren und Vorrichtung zur Spracherkennung Method and apparatus for speech recognition |
| 03/21/2001 | EP1085782A2 Voice control system with a microphone array |
| 03/21/2001 | EP1085781A2 Apparatus for adapting the directional characteristic of microphones for voice control |
| 03/21/2001 | EP1085504A2 Vector quantization codebook generation method |
| 03/21/2001 | EP1085501A2 Client-server based speech recognition |
| 03/21/2001 | CN2424514Y Whole electronic miniature speech re-reader |
| 03/21/2001 | CN1288224A Apparatus and method for speech voice identification |
| 03/21/2001 | CN1288223A Device adaptive for direction characteristic used for speech voice control |
| 03/21/2001 | CN1288222A Speech voice control system having microphone array |
| 03/21/2001 | CN1287934A Safety and intelligent fuel blocking system as anti-theft device of vehicle |
| 03/20/2001 | US6205429 System and method to manipulate information in an audio decoder |
| 03/20/2001 | US6205421 Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus |
| 03/20/2001 | US6205420 Method and device for instantly changing the speed of a speech |
| 03/15/2001 | WO2001018961A1 Digital filter design method and apparatus for noise suppression by spectral substraction |
| 03/15/2001 | WO2001018794A1 Spectral enhancement of acoustic signals to provide improved recognition of speech |
| 03/15/2001 | WO2001018791A1 Pitch variation in artificial speech |
| 03/15/2001 | DE19943875A1 System zur Sprachsteuerung mit einem Mikrofonarray System for voice control with a microphone array |
| 03/15/2001 | DE19943872A1 Vorrichtung zur Anpassung der Richtcharakteristik von Mikrofonen für die Sprachsteuerung Device for adjusting the directivity of microphones for voice control |
| 03/15/2001 | DE19942868A1 Verfahren zum Betrieb einer Mehrfachmikrofonanordnung in einem Kraftfahrzeug sowie Mehrfachmikrofonanordnung selbst Method for operating a multi-microphone array in a motor vehicle and multiple microphone arrangement itself |
| 03/15/2001 | DE10009082A1 Waveform reproducing apparatus has waveform reproducing unit that generates output waveform data which is temporally compressed or expanded version of original waveform data |
| 03/14/2001 | EP1083769A1 Speech converting device and method |
| 03/14/2001 | EP1083656A2 Switched signal processing circuit |
| 03/14/2001 | EP1083548A2 Method for gain control of a CELP speech decoder |
| 03/14/2001 | EP1083544A1 Pattern recognizing device and method, and providing medium |
| 03/14/2001 | EP1083543A2 Method for operating a multiple microphones agencement in a motor vehicle for spoken command input |
| 03/13/2001 | US6201175 Waveform reproduction apparatus |
| 03/08/2001 | WO2001017109A1 Method and system for on-line blind source separation |
| 03/08/2001 | WO2001016937A1 System and method for classification of sound sources |
| 03/08/2001 | WO2001016935A1 Information retrieving/processing method, retrieving/processing device, storing method and storing device |
| 03/08/2001 | DE10029388A1 Appliance and method for signal separation and suitable recording medium employs adaptive filter |
| 03/08/2001 | CA2382122A1 Sound source classification |
| 03/07/2001 | EP1081685A2 System and method for noise reduction using a single microphone |
| 03/07/2001 | EP1081682A2 Method and system for microphone array input type speech recognition |
| 03/07/2001 | EP1080579A2 Scalable audio coder and decoder |
| 03/07/2001 | EP1080542A2 System and method for masking quantization noise of audio signals |
| 03/07/2001 | EP1080465A1 Signal noise reduction by spectral substraction using linear convolution and causal filtering |
| 03/07/2001 | EP1080463A1 Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging |
| 03/07/2001 | EP1080462A2 System and method for entropy encoding quantized transform coefficients of a signal |
| 03/07/2001 | CN1286788A Noise suppression for low bitrate speech coder |
| 03/06/2001 | US6199041 System and method for sampling rate transformation in speech recognition |
| 02/28/2001 | CN1285945A System and method for encoding voice while suppressing acoustic background noise |
| 02/28/2001 | CA2316074A1 Telephone with sound customizable to audiological profile of user |
| 02/22/2001 | WO2001013364A1 Method for enhancement of acoustic signal in noise |
| 02/22/2001 | WO2001013336A1 Method and apparatus for selecting harmonic color using harmonics, and method and apparatus for converting sound to color or color to sound |
| 02/21/2001 | EP1077584A2 Method and device for compensating signal losses |
| 02/21/2001 | EP1077013A1 Method and device for operating voice-controlled systems in motor vehicles |
| 02/21/2001 | EP1076895A1 A system and method to improve the quality of coded speech coexisting with background noise |
| 02/15/2001 | WO2001011604A1 Background energy estimation |
| 02/14/2001 | CN1284192A Electronic watermark applied to one-dimensional data |
| 02/13/2001 | US6188980 Synchronized encoder-decoder frame concealment using speech coding parameters including line spectral frequencies and filter coefficients |
| 02/08/2001 | WO2001010102A2 Acoustical echo cancellation device |
| 02/08/2001 | WO2001003125B1 Bi-directional pitch enhancement in speech coding systems |
| 02/08/2001 | DE19935808A1 Echounterdrückungseinrichtung zum Unterdrücken von Echos in einer Sender/Empfänger-Einheit The echo suppression device for suppressing echoes in a transmitter / receiver unit |
| 02/07/2001 | EP1074978A1 Vector quantization codebook generation method |
| 02/07/2001 | EP1074977A1 Vector quantization codebook generation method |
| 02/07/2001 | EP1038292A4 System and method for auditorially representing pages of sgml data |
| 02/07/2001 | EP1027699A4 System and method for auditorially representing pages of html data |
| 02/07/2001 | CN1283297A System and method for representing complex information auditorially |
| 02/06/2001 | US6185683 Trusted and secure techniques, systems and methods for item delivery and execution |
| 02/06/2001 | US6185525 Method and apparatus for digital signal compression without decoding |
| 02/06/2001 | US6184890 Method and apparatus for rendering objects on a display with added realism |
| 01/31/2001 | CN1282470A Voice recognition unit for audience measurement system |
| 01/31/2001 | CN1282445A Apparatus and methods for detecting emotions |
| 01/31/2001 | CN1282073A Body-temp. monitoring speech calling reporter |
| 01/30/2001 | US6182034 System and method for producing a fixed effort quantization step size with a binary search |
| 01/30/2001 | US6182033 Modular approach to speech enhancement with an application to speech coding |
| 01/25/2001 | DE19947839A1 Speech recognition in hearing aid involves selecting speech and/or noise specific parameters of digital timer signal, processing parameter-related values according to principle of fuzzy logic |
| 01/24/2001 | EP1071081A2 Vector quantization codebook generation method |
| 01/24/2001 | EP1071080A2 Vector quantization codebook generation method |
| 01/24/2001 | EP1071079A2 Vector quantization codebook generation method |
| 01/24/2001 | EP1071078A2 Vector quantization codebook generation method |
| 01/24/2001 | EP1071077A2 Vector quantization codebook generation method |
| 01/24/2001 | CN1281576A Sound signal processing method and sound signal processing device |
| 01/23/2001 | US6178400 Method and apparatus for normalizing speech to facilitate a telephone call |
| 01/23/2001 | US6177928 Flexible synchronization framework for multimedia streams having inserted time stamp |
| 01/23/2001 | CA2207716C Noise canceling method and apparatus therefor |
| 01/16/2001 | US6175602 Signal noise reduction by spectral subtraction using linear convolution and casual filtering |