| Patents for H03H 17 - Networks using digital techniques (9,654) |
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| 02/24/1998 | US5721696 Method and system for performing an FIR filtering operation |
| 02/19/1998 | WO1998007101A1 Method for inharmonic tone generation using a coupled mode digital filter |
| 02/17/1998 | US5719994 Determination of an excitation vector in CELP encoder |
| 02/17/1998 | US5719571 Sampling rate converting method and apparatus |
| 02/12/1998 | DE19643900C1 Audio signal post filter, especially for speech signals |
| 02/11/1998 | EP0823149A2 Method and arrangement for coding and decoding signals |
| 02/11/1998 | EP0823146A2 Reduced complexity signal converter |
| 02/10/1998 | US5717727 Digital filter and apparatus for reproducing sound using the digital filter |
| 02/10/1998 | US5717726 Digital filter |
| 02/10/1998 | US5717715 Signal processing apparatus and method |
| 02/10/1998 | US5717618 Method for digital interpolation |
| 02/10/1998 | US5717617 Rate change filter and method |
| 02/04/1998 | EP0822666A2 1-bit digital signal processing device, recording device and reproducing device |
| 02/03/1998 | US5715365 Method of analyzing a digitized speech signal |
| 02/03/1998 | US5715276 Symbol-matched filter having a low silicon and power requirement |
| 02/03/1998 | US5714951 Method and apparatus of reproducing digital data |
| 02/03/1998 | US5714918 Equalizer for digitized signals |
| 01/28/1998 | EP0624302B1 Cosmetics filter for smoothing regenerated pictures, e.g. after signal compressing for transmission in a narrowband network |
| 01/28/1998 | CN1171660A Method and equipment for simplifying data by using digital signal processing unit to process signal |
| 01/27/1998 | US5712874 Noise shaper capable of generating a predetermined output pattern in no-signal condition |
| 01/27/1998 | US5712873 Multi-mode equalizer in a digital video signal processing system |
| 01/27/1998 | US5712808 Digital signal processing |
| 01/27/1998 | US5712635 Digital to analog conversion using nonuniform sample rates |
| 01/27/1998 | CA2081923C Method and arrangement of estimating data sequences transmitted using viterbi algorithm |
| 01/21/1998 | EP0820145A2 Interpolation filter |
| 01/21/1998 | CN1171013A Multi-mode equalizer in digital video signal processing system |
| 01/20/1998 | US5710996 Adaptive noise canceling system and FM radio communication receiver using said system |
| 01/20/1998 | US5710794 Initial phase-loading circuit for a fractionally-spaced linear equalizer |
| 01/20/1998 | US5710729 Filtering method and digital over sampler filter with a finite impulse response having a simplified control unit |
| 01/20/1998 | US5709598 Abrasive tape and method of producing the same |
| 01/14/1998 | EP0818887A2 Median filter |
| 01/14/1998 | EP0818886A2 Switchable frequency combining circuit |
| 01/14/1998 | EP0818740A2 Signal interpolation and decimation exploiting filter symmetry |
| 01/14/1998 | EP0818739A2 Signal interpolation and decimation exploiting filter symmetry |
| 01/14/1998 | EP0818738A2 Signal interpolation and decimation exploiting filter symmetry |
| 01/14/1998 | EP0818737A2 Signal interpolation and decimation exploiting filter symmetry |
| 01/14/1998 | EP0818078A1 Digital filter |
| 01/14/1998 | EP0623269B1 Signal sampling |
| 01/13/1998 | US5708842 Apparatus for changing coefficients utilized to perform a convolution operation having address generator which uses initial count number and up/down count inputs received from external |
| 01/13/1998 | US5708596 Filter circuit |
| 01/13/1998 | US5708595 Efficient median filter and method therefor |
| 01/13/1998 | US5706817 Filtering method for ultrasonic color doppler imaging system |
| 01/08/1998 | DE19625855A1 Data reduction method for digital transmission system |
| 01/07/1998 | EP0817398A2 Intelligent near-end speech detection |
| 01/07/1998 | EP0815707A1 Signal quality determining device and method |
| 01/07/1998 | EP0815706A1 Signal quality determining device and method |
| 01/07/1998 | EP0815705A1 Signal quality determining device and method |
| 01/07/1998 | EP0815647A1 Digital phase-locked loop utilizing a high order sigma-delta modulator |
| 01/07/1998 | CN1169800A Wireless digital communication device, and pulse shaping network |
| 01/07/1998 | CN1169570A Pitch extracting method in speech processing unit |
| 01/06/1998 | US5706216 System for data compression of an image using a JPEG compression circuit modified for filtering in the frequency domain |
| 01/06/1998 | CA2122108C Multiple adaptive filter active noise canceller |
| 01/02/1998 | DE19624362A1 Schaltungsanordnung zur Frequenzgangbeeinflussung eines digitalen Audiosignals A circuit arrangement for influencing the frequency response of a digital audio signal |
| 12/31/1997 | WO1997050174A1 Rom-based finite impulse response filter for use in mobile telephone |
| 12/31/1997 | WO1997050173A1 Efficient multichannel filtering for cdma modems |
| 12/31/1997 | CN1169082A Noise reduction in correlated digital signals |
| 12/31/1997 | CN1169074A Line equalizer control method, and integrating circuit, frequency shift circuit and transmission device |
| 12/31/1997 | CN1169073A Receiver |
| 12/31/1997 | CA2434522A1 Efficient multichannel filtering for cdma |
| 12/30/1997 | US5703514 Digital frequency divider phase shifter |
| 12/30/1997 | CA2179620C Adaptative feedforward and feedback control system |
| 12/29/1997 | EP0814458A2 Improvements in or relating to speech coding |
| 12/24/1997 | WO1997049216A1 Improved coding system for digital transmission compression |
| 12/24/1997 | WO1997049179A1 Circuit arrangement for influencing the frequency response of a digital audio signal |
| 12/24/1997 | CA2258682A1 Improved coding system for digital transmission compression |
| 12/23/1997 | US5701262 Tab coefficient updating device of finite impulse-responding adaptive digital filter |
| 12/23/1997 | US5701261 Dynamic filter |
| 12/23/1997 | CA2045963C Method and apparatus for detecting recorded signals on a magnetic recording medium |
| 12/17/1997 | EP0813301A1 Adaptive digital filter |
| 12/17/1997 | EP0813300A1 Signal conditioner with symbol addressed lookup table based transversal filters |
| 12/17/1997 | EP0813299A2 Charge domain signal filter |
| 12/16/1997 | US5699480 Apparatus for improving disturbed speech signals |
| 12/16/1997 | US5699382 Method for noise weighting filtering |
| 12/16/1997 | US5698984 Adaptive digital filter for improved measurement accuracy in an electronic instrument |
| 12/11/1997 | WO1997047084A1 Method and apparatus for performing bandedge equalization |
| 12/11/1997 | CA2178664A1 Signal conditioner with symbol addressed lookup table based transversal filters |
| 12/10/1997 | EP0812105A2 Multi-mode equalizer in a digital video signal processing system |
| 12/10/1997 | EP0742941A4 Tracking filter for periodic signals |
| 12/10/1997 | CN1167388A Digital signal transmission system and transmitter and receiver thereof |
| 12/10/1997 | CN1167383A Transmission system for digital audio-frequency broadcasting |
| 12/09/1997 | US5696830 Circuit arrangement for deriving a quality signal dependent on the quality of a received multiplex signal |
| 12/09/1997 | CA2112020C Adaptive equalizer |
| 12/04/1997 | WO1997045998A2 Method and apparatus for time shared finite impulse response filter with multiple signal stream capability |
| 12/03/1997 | EP0810729A1 Frequency conversion & modulation circuits |
| 12/03/1997 | EP0809882A1 Combination d/a converter and fir filter utilizing active current division and method |
| 12/03/1997 | EP0809842A1 Adaptive speech filter |
| 12/03/1997 | CN1166669A Speech synthesis method and apparatus |
| 12/02/1997 | US5694489 Image signal processing apparatus with no change of signal processing mode in compression/expansion processing loop |
| 12/02/1997 | US5694345 Hardware efficient interpolation filter |
| 11/26/1997 | CN1166097A Signal interpolator |
| 11/25/1997 | US5692020 Signal processing apparatus and method |
| 11/25/1997 | US5691929 90-degree phase shift network, system for controlling a 90-degree phase shift characteristic of the network, linearizer using all-pass filters, and system for controlling the linearizer |
| 11/25/1997 | US5690321 Vibration damping system for vehicle |
| 11/20/1997 | DE19701779A1 Digital filter for multiple addition and multiplication operation |
| 11/19/1997 | EP0807307A1 A pitch post-filter |
| 11/19/1997 | CN1165596A Transmission system using time dependent filter banks |
| 11/19/1997 | CN1165447A Data receiving apparatus |
| 11/19/1997 | CN1165441A Asymmetric filter combination for digital transmission system |
| 11/19/1997 | CN1165434A Digital wave filter set structure and its implementing method |
| 11/19/1997 | CN1165365A Pitch extraction method and device |