| Patents for H03H 17 - Networks using digital techniques (9,654) |
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| 06/07/2000 | CN1255791A Data transmitting device in CDMA communication system and method thereof |
| 06/07/2000 | CN1255780A Matched filter circuit |
| 06/06/2000 | US6073151 Bit-serial linear interpolator with sliced output |
| 06/06/2000 | US6072879 Sound field control unit and sound field control device |
| 06/06/2000 | US6072844 Gain control in post filtering process using scaling |
| 06/02/2000 | WO2000031879A1 Circuit configuration for quantisation of digital signals and for filtering quantisation noise |
| 06/02/2000 | WO2000031875A1 Method and device for compensating phase delays |
| 05/31/2000 | EP0928518B1 Parallel decimator apparatus |
| 05/31/2000 | EP0815706B1 Signal quality determining device and method |
| 05/31/2000 | EP0642716B1 Circuit for deriving a signal dependent on the direction of change of the reception field intensity |
| 05/31/2000 | EP0642713B1 Circuit for deriving a signal indicating interference in a received stereo multiplex signal |
| 05/31/2000 | EP0642712B1 Circuit for deriving in a signal indicating interference in a received stereo multiplex signal |
| 05/31/2000 | CN1254988A Digital filter for filtering finit input data |
| 05/30/2000 | US6069917 Blind training of a decision feedback equalizer |
| 05/30/2000 | US6069780 Electronic trip device comprising, in series, finite and infinite impulse response filters |
| 05/25/2000 | WO2000030107A1 Multi-rate clock generator and multi-rate digital data reproducing device |
| 05/25/2000 | DE19956088A1 Einseiten-Unterband-Filter One-side sub-band filter |
| 05/25/2000 | DE19855017A1 Error signal generation method for indicating erroneous complex phasor measurement values in AC power transmission line |
| 05/25/2000 | DE19853897A1 Procedure for compensation of phase delays in circuits for conversion of analogue signals into digital signals is by consideration of the sampling signal of the previous sampling period |
| 05/24/2000 | EP1002364A1 Infinite impulse response filter for 3d sound with tap delay lineinitialization |
| 05/24/2000 | EP0663085B1 Method and apparatus for reduced-complexity viterbi-type sequence detectors |
| 05/24/2000 | CN1052838C Receiver for suppressing ghosts in signals modulating carrier in quadrature phasing with video carrier |
| 05/23/2000 | CA2290045A1 Single-sided subband filters |
| 05/18/2000 | WO2000028662A1 Digital filter with parallel architecture and spread-spectrum signal receiver using same |
| 05/17/2000 | CN1253672A Fractional delay digital filter |
| 05/17/2000 | CN1253433A Channel characteristics inference device |
| 05/16/2000 | US6064966 Signal quality determining device and method |
| 05/16/2000 | US6064946 Signal quality determining device and method |
| 05/10/2000 | EP0999651A2 Channel characteristics estimation apparatus |
| 05/10/2000 | EP0998787A1 Adaptive filter system having mixed fixed point or floating point and block scale floating point operators |
| 05/10/2000 | EP0998786A2 Sample rate converter using polynomial interpolation |
| 05/09/2000 | US6061395 Waveform equalizer |
| 05/09/2000 | US6061342 Code division multiple access apparatus |
| 05/04/2000 | WO2000025305A1 High frequency content recovering method and device for over-sampled synthesized wideband signal |
| 05/04/2000 | WO2000025304A1 Perceptual weighting device and method for efficient coding of wideband signals |
| 05/04/2000 | WO2000025303A1 Periodicity enhancement in decoding wideband signals |
| 05/04/2000 | WO2000025298A1 A method and device for adaptive bandwidth pitch search in coding wideband signals |
| 05/03/2000 | EP0998166A1 Device for audio processing,receiver and method for filtering the wanted signal and reproducing it in presence of ambient noise |
| 05/02/2000 | US6058407 FIR (finite impulse response) filter with non-symmetric frequency response characteristics |
| 05/02/2000 | US6058404 Apparatus and method for a class of IIR/FIR filters |
| 05/02/2000 | US6058360 Postfiltering audio signals especially speech signals |
| 05/02/2000 | US6057793 Digital decimation filter and method for achieving fractional data rate reduction with minimal hardware or software overhead |
| 05/02/2000 | US6057792 Signal processors |
| 05/02/2000 | CA2203548C An apparatus and method for filtering a received signal |
| 05/02/2000 | CA2146393C Determining echo return loss in echo cancelling arrangements |
| 04/27/2000 | WO2000024125A1 Odd-transform fast convolution |
| 04/27/2000 | WO2000024122A1 Apparatus for performing a non-integer sampling rate change in a multichannel polyphase filter |
| 04/27/2000 | WO2000024118A1 Integrated frequency translation and selectivity with a variety of filter embodiments |
| 04/20/2000 | WO2000022729A1 Area efficient realization of coefficient architecture for bit-serial fir, iir filters and combinational/sequential logic structure with zero latency clock output |
| 04/20/2000 | WO2000022728A1 Area efficient realization of coefficient architecture for bit-serial fir, iir filters and combinational/sequential logic structure with zero latency clock output |
| 04/19/2000 | EP0993705A1 Multiple-rate direct sequence architecture utilizing a fixed chipping rate and variable spreading code lengths |
| 04/19/2000 | CN1251228A Method and apparatus for forming address |
| 04/19/2000 | CN1251194A Recognition system |
| 04/19/2000 | CN1251192A Audio processing arrangement with multiple sources |
| 04/18/2000 | US6052705 Video signal processor with triple port memory |
| 04/18/2000 | US6052702 Decision feedback filter device in the frequency domain |
| 04/18/2000 | US6052701 Methods of performing interpolation using frequency shifting operations and filters |
| 04/18/2000 | CA2162312C System for, and method of, minimizing noise in an integrated circuit chip |
| 04/18/2000 | CA2017841C Digital transmission system using subband coding of a digital signal |
| 04/11/2000 | US6049814 Spectrum feature parameter extracting system based on frequency weight estimation function |
| 04/11/2000 | US6049573 Efficient polyphase quadrature digital tuner |
| 04/11/2000 | CA2216128C Efficient digital filter and method using coefficient precombining |
| 04/06/2000 | WO2000019675A1 Digital receiver for a signal generated with discrete multi-tone modulation |
| 04/06/2000 | WO2000019654A1 Reduced complexity and increased flexibility modified fast convolution algorithm |
| 04/06/2000 | CA2344634A1 Reduced complexity and increased flexibility modified fast convolution algorithm |
| 04/05/2000 | EP0991187A2 Digital filter for filtering finite input data |
| 04/05/2000 | EP0991184A2 Digital tone control with linear step coefficients |
| 04/05/2000 | EP0990305A1 System for varying the dynamic range of coefficients in a digital filter |
| 04/05/2000 | EP0720799A4 Interference suppression in cdma systems |
| 04/05/2000 | CN1249889A Device and method for processing speech |
| 04/05/2000 | CN1249829A Adaptive dual filter echo cancellation |
| 04/05/2000 | CN1249639A Speech signal filtering device and method, receiver and telephone communication system |
| 04/05/2000 | CN1249567A Digital short-time pulse waveform interference filter |
| 03/29/2000 | EP0989544A1 Device and method for filtering a speech signal, receiver and telephone communications system |
| 03/29/2000 | EP0988699A2 Sharing resources in a digital filter |
| 03/29/2000 | EP0870366B1 Resolution enhancement of fixed point digital filters |
| 03/29/2000 | CN1249093A Sample rate converter |
| 03/29/2000 | CN1249081A Adaptive filter system having mixed fixed point or floating point and block scale floating point operators |
| 03/28/2000 | US6044340 Accelerated convolution noise elimination |
| 03/28/2000 | US6044223 Object code allocation in multiple systems |
| 03/22/2000 | EP0987829A2 Method and apparatus for excision of narrow band interference signal from CDMA signal |
| 03/22/2000 | CN1248356A Digital signal mixing architecture |
| 03/22/2000 | CN1248096A Peak-signal limiting system and method |
| 03/21/2000 | US6041339 Efficient decimation filtering |
| 03/21/2000 | US6041338 Interpolation filter system |
| 03/21/2000 | US6041294 Signal quality determining device and method |
| 03/21/2000 | US6041291 Digital data processing circuit and digital data processing method |
| 03/15/2000 | EP0985328A2 Filterbank structure and method for filtering and separating an information signal into different bands, particularly for audio signals in hearing aids |
| 03/15/2000 | CN1050485C Appts. for conditioning control signal |
| 03/14/2000 | CA2281863A1 Method and apparatus of using a bank of filters for excision of narrow band interference signal from cdma signal |
| 03/09/2000 | WO2000013359A1 Digital communication system, its transmitter and receiver, and frame synchronization detector |
| 03/08/2000 | EP0984556A2 Digital glitch filter |
| 03/08/2000 | EP0746290A4 Improved method and system for on-line system identification |
| 03/08/2000 | CN1246988A Programmable analog bandpass filtering apparatus and method and design method for discrete time filter |
| 03/07/2000 | US6035320 Fir filter architecture |
| 03/07/2000 | US6035312 Adaptive filter |
| 03/07/2000 | US6034628 Comb filter |
| 03/03/2000 | CA2278908A1 Digital glitch filter |
| 03/01/2000 | EP0982875A2 Methods and apparatus for reducing cochannel interference in a mixed-rate communication system |
| 03/01/2000 | EP0982861A2 Method and apparatus for reducing convergence time |