| Patents for H03H 21 - Adaptive networks (3,855) |
|---|
| 01/31/2002 | US20020013798 Low-power pulse-shaping digital filters |
| 01/31/2002 | US20020012391 Apparatus and method for adjusting filter tap length of adaptive equalizer by using training sequence |
| 01/30/2002 | EP1176735A1 Adaptive equalizer and adaptive equalizing method |
| 01/30/2002 | EP1176718A2 Hardware accelerator for normal least-mean-square algorithm-based coefficient adaptation |
| 01/29/2002 | US6343268 Estimator of independent sources from degenerate mixtures |
| 01/29/2002 | US6343130 Stereophonic sound processing system |
| 01/17/2002 | US20020006160 Adaptive filter having a small circuit scale with a low power consumption and tap-coefficients updating method of adaptive filter |
| 01/15/2002 | US6339758 Noise suppress processing apparatus and method |
| 01/15/2002 | CA2100110C Auditory prosthesis for adaptively filtering selected auditory component by user activation and method for doing same |
| 01/09/2002 | EP1170864A1 A robust adaptive filter for use in acoustic and network echo cancellation |
| 01/09/2002 | EP1170863A2 Fir filter and setting method of coefficient thereof |
| 01/08/2002 | US6337907 Echo canceller employing dual-H architecture having improved coefficient transfer |
| 01/02/2002 | EP1019847A4 System for dynamically adapting the length of a filter |
| 12/20/2001 | US20010053272 Playback apparatus and adaptive equalizing circuit |
| 12/20/2001 | DE10016620A1 Lowering method for noise components, involves using filter regulated by estimated value composed of estimated noise component multiplied by weight factor which is smaller when voice component is present |
| 12/18/2001 | US6332136 Fuzzy filtering method and associated fuzzy filter |
| 12/18/2001 | US6332028 Dual-processing interference cancelling system and method |
| 12/18/2001 | US6332000 Time division equalizer using system clock signal faster than symbol clock signal in high-speed communication |
| 12/18/2001 | CA2228097C Noise cancelling method and apparatus for the same |
| 12/18/2001 | CA2209409C Adaptive speech filter |
| 12/13/2001 | WO2001095488A1 Method and apparatus for the equalization of linearly distorted signals |
| 12/06/2001 | WO2001052411A3 Generating coefficients for a prediction filter in an encoder |
| 12/04/2001 | US6327302 Fast adaptive equalizer for wireless communication systems |
| 11/28/2001 | CN1324149A Self-adaptive equalizer |
| 11/27/2001 | US6324502 Noisy speech autoregression parameter enhancement method and apparatus |
| 11/27/2001 | US6324232 Adaptive DC-compensation |
| 11/22/2001 | US20010043651 Adaptive equalizer circuit |
| 11/22/2001 | US20010043650 High stability fast tracking adaptive equalizer for use with time varying communication channels |
| 11/21/2001 | EP1155497A1 Antenna treatment method and system |
| 11/14/2001 | EP1154429A2 Playback and adaptive equalizing |
| 11/14/2001 | CN1322427A Methods and apparatus for mitigating efects of microphone overload in echo cancelation systems |
| 11/14/2001 | CN1074871C Adaptative filter, echo cancellation device and method |
| 11/08/2001 | WO2001084708A2 Adaptive filtering method based on sign algoritm and related device |
| 11/07/2001 | CN1321358A Acoustic echo and noise cancellation |
| 11/06/2001 | US6314135 Method and apparatus for updating precoder coefficients in a data communication transmitter |
| 11/06/2001 | CA2234738C Method and apparatus for cancelling multi-channel echo |
| 11/06/2001 | CA2231605C An enhanced echo canceller for digital cellular application |
| 11/01/2001 | WO2001082474A2 Initialization/prewindowing removal postprocessing for fast rls filter adaptation |
| 11/01/2001 | US20010036283 Active noise reduction system |
| 11/01/2001 | US20010036225 Coefficient update method and receive method of time domain equalizer of DMT system, DMT system and DMT modem |
| 10/31/2001 | EP0908018B1 System and method for adaptive interference cancelling |
| 10/30/2001 | CA2204059C Intelligent near-end speech detection |
| 10/25/2001 | US20010033616 Generating coefficients for a prediction filter in an encoder |
| 10/25/2001 | US20010033615 Automatic equalization circuit and receiver circuit using the same |
| 10/23/2001 | US6308192 Methods and apparatus for adaptive filters |
| 10/23/2001 | US6308190 Low-power pulse-shaping digital filters |
| 10/18/2001 | US20010031000 Method and apparatus for reducing convergence time |
| 10/16/2001 | CA2030623C A method and arrangement for avoiding erroneous echo-elimination and/or equalization in a telecommunication system |
| 10/11/2001 | WO2001037435A3 Super directional beamforming design and implementation |
| 10/10/2001 | EP0862777B1 Dsp decoder for decoding analog sr encoded audio signals |
| 10/10/2001 | CN1317194A Digital adaptive filter and acoustic echo canceller using the same |
| 10/04/2001 | EP1139621A2 Digital receiver with automatic equalisation |
| 10/02/2001 | US6298363 Adaptive windowing of FFT data for increased resolution and sidelobe rejection |
| 10/02/2001 | US6298362 Apparatus and method for equalizer filter units responsive to 5-level inputs signals |
| 09/27/2001 | US20010024499 Adaptive filter and echo canceller using the same |
| 09/26/2001 | EP0659312B1 Decision feedback equalizer apparatus and receiver |
| 09/26/2001 | EP0632947B1 Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization |
| 09/20/2001 | WO2001028310A8 An adaptive radio transceiver |
| 09/20/2001 | US20010022812 Adaptive audio equalizer apparatus and method of determining filter coefficient |
| 09/19/2001 | EP0966793B1 Audio coding method and apparatus |
| 09/18/2001 | US6292816 Nonlinear equalizing apparatus |
| 09/18/2001 | US6292510 Automatic equalization method and automatic equalizer |
| 09/13/2001 | WO2001067434A1 Active noise reduction system |
| 09/13/2001 | US20010021940 Method of updating reflection coefficients of lattice filter and apparatus for updating such reflection coefficients |
| 09/12/2001 | EP1131892A1 Signal processing apparatus and method |
| 09/11/2001 | US6289046 Adaptive equalization method |
| 09/11/2001 | US6289045 Training method in a time domain equalizer and a digital data transmission apparatus including an improved training apparatus |
| 09/07/2001 | WO2001065723A1 Adaptive equalizer and adaptive equalizing method |
| 09/04/2001 | US6285768 Noise cancelling method and noise cancelling unit |
| 09/04/2001 | CA2217839C A windowing technique for blind equalization |
| 08/29/2001 | EP0845173B1 Circuit arrangement for influencing the frequency response of a digital audio signal |
| 08/28/2001 | US6282661 Apparatus and method for adaptive reduction of power consumption in integrated circuits |
| 08/23/2001 | WO2001013516A3 Decision feedback equalizer and precoder ramping circuit |
| 08/23/2001 | US20010016041 Echo canceller employing dual-h architecture having split adaptive gain settings |
| 08/22/2001 | EP1126633A1 Radio receiver and adaptive receiving method |
| 08/22/2001 | EP1125405A1 Signal separation method and device for non-linear mixing of unknown signals |
| 08/16/2001 | EP0742971B1 Adaptive feedforward and feedback control system |
| 08/14/2001 | US6275592 Method and an arrangement for attenuating noise in a space by generating antinoise |
| 08/14/2001 | US6275591 Method and apparatus for extracting a component signal from a composite signal |
| 08/14/2001 | CA2164026C Subband echo canceler |
| 08/09/2001 | US20010012368 Stereophonic sound processing system |
| 08/08/2001 | CN1307747A Convolutive blind source separation using multiple decorrelation method |
| 08/08/2001 | CN1069476C Method and device for removing double picture with standered symbol represented digital code |
| 08/07/2001 | CA2174159C Acoustic echo canceler |
| 08/07/2001 | CA2162538C Echo cancelling system suitable for voice conference |
| 08/07/2001 | CA2162413C Optimization of adaptive filter tap settings for subband acoustic echo cancelers in teleconferencing |
| 08/01/2001 | EP1119911A1 Filtering device |
| 08/01/2001 | CN1306694A Adaptive state space signal separation, discrimination and recovery architectures and their adaptations for use in dynamic environments |
| 07/31/2001 | US6269165 Method and apparatus for reduction of unwanted feedback |
| 07/25/2001 | EP1118247A2 Band-limited adaptive feedback canceller for hearing aids |
| 07/24/2001 | US6266422 Noise canceling method and apparatus for the same |
| 07/24/2001 | US6266409 Echo canceller employing dual-H architecture having improved double-talk detection |
| 07/24/2001 | US6266408 Echo controlling apparatus of video conferencing system and control method using the same |
| 07/24/2001 | US6266367 Combined echo canceller and time domain equalizer |
| 07/19/2001 | WO2001052411A2 Generating coefficients for a prediction filter in an encoder |
| 07/18/2001 | EP0736235B1 Method for determining the location of echo in an echo canceller |
| 07/18/2001 | CN1068742C Method for determining location of echo in echo cancellar |
| 07/17/2001 | US6262943 Signal processing system for sensing a periodic signal in noise |
| 07/04/2001 | EP1113588A2 Echo canceling apparatus |
| 07/03/2001 | US6256384 Method and apparatus for cancelling echo originating from a mobile terminal |