Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators › H03H 17 - Networks using digital techniques
Patents for H03H 17 - Networks using digital techniques (9,654)
06/1998
06/03/1998EP0845891A2 A windowing technique for blind equalisation
06/03/1998EP0845868A2 Signal processors
06/03/1998EP0845173A1 Circuit arrangement for influencing the frequency response of a digital audio signal
06/03/1998CN1183885A Signal quality determining device and method
06/03/1998CN1183884A Signal quality determining device and method
06/03/1998CN1183883A Signal quality determining device and method
06/03/1998CN1183680A 1-bit digital signal processing device, recording device and reproducing device
06/02/1998US5761635 Method and apparatus for implementing a long-term synthesis filter
06/02/1998US5761210 Signal processing apparatus and method
06/02/1998US5760641 Controllable filter arrangement
05/1998
05/28/1998WO1998023030A1 Signal processing system and method for enhanced cascaded integrator-comb interpolation filter stabilization
05/28/1998WO1998023029A1 Reduced power fir filter
05/28/1998CA2220604A1 Method and filter for reducing the blocking effect
05/27/1998EP0844150A1 Method for generating crash signals
05/27/1998EP0843933A2 Transmission of a digital information signal having a specific first sampling frequency
05/26/1998USRE35809 Digital signal encoding with quantizing based on masking from multiple frequency bands
05/26/1998US5758311 Vibration/noise active control system for vehicles
05/26/1998US5757937 Acoustic noise suppressor
05/26/1998US5757867 Digital mixing to baseband decimation filter
05/26/1998US5757794 Digital down converter and method
05/26/1998US5757683 Digital receive filter for communications systems
05/20/1998EP0842586A1 Jpeg compression circuit with filtering
05/20/1998CN1182307A Sampling frequency converting apparatus
05/19/1998US5754874 Digital signal processor with selective sound operation
05/19/1998US5754794 Subband coding using local bases in multiple dimensions
05/19/1998US5754665 Noise Canceler
05/19/1998US5754455 Method and apparatus for setting a bit-serial filter to an all-zero state
05/13/1998EP0841786A2 Technique for improving the blind convergence of an adaptive equalizer using a transition algorithm
05/12/1998US5752229 Intelligent near-end speech detection
05/12/1998US5751862 Self-timed two-dimensional filter
05/12/1998US5751768 Fractionally spaced equalizing circuits and method
05/12/1998US5751615 Implementation of a digital decimation filter and method
05/08/1998CA2217093A1 Technique for improving the blind convergence of an adaptive equalizer using a transition algorithm
05/07/1998WO1998019396A2 Sample rate conversion
05/07/1998WO1998019298A1 Postfiltering audio signals, especially speech signals
05/06/1998EP0840466A2 Echo canceller control in a satellite communication system
05/06/1998EP0840318A2 Waveform equalizer
05/05/1998US5748786 Apparatus for compression using reversible embedded wavelets
05/05/1998US5748748 Apparatus and method for influencing oscillations in the passenger compartment of a motor vehicle and apparatus and method for detecting defects in a motor vehicle
05/05/1998US5748513 Method for inharmonic tone generation using a coupled mode digital filter
05/05/1998US5748491 Deconvolution method for the analysis of data resulting from analytical separation processes
05/05/1998US5748126 Sigma-delta digital-to-analog conversion system and process through reconstruction and resampling
05/05/1998US5748120 Sampling frequency converting device and memory address control device
05/05/1998CA2097059C Viterbi equalizer for radio receiver
04/1998
04/29/1998CN1180268A Efficient digital filter and method using coefficient precombining
04/28/1998US5745743 Digital signal processor integrally incorporating a coefficient interpolator structured on a hardware basis
04/28/1998US5745581 Tracking filter for periodic signals
04/28/1998US5745396 Pipelined adaptive IIR filter
04/28/1998US5745395 Signal processing apparatus and method
04/28/1998CA2132006C Method for generating a spectral noise weighting filter for use in a speech coder
04/23/1998DE19745391A1 Decimating filter arrangement with analogue processing FIR filter
04/22/1998EP0837561A2 Sampling frequency converting apparatus
04/16/1998WO1998016007A1 Use of single channel fir filter architecture to perform combined/parallel filtering of multiple (quadrature) signals
04/15/1998EP0712549A4 Data-directed scrambler for multi-bit noise-shaping d/a converters
04/14/1998US5740317 For source coding digitized audio signals
04/14/1998US5740096 Filter circuit for communication
04/14/1998US5740091 IIR type digital filter
04/14/1998US5740090 Filter, repetitive control system and learning control system both provided with such filter
04/09/1998WO1998015083A2 Signal transformation method and apparatus
04/07/1998US5737718 Method, apparatus and recording medium for a coder with a spectral-shape-adaptive subband configuration
04/07/1998US5737410 Method for determining the location of echo in an echo canceller
04/07/1998US5737368 Matched filter
04/07/1998US5737254 Symmetrical filtering apparatus and method therefor
04/07/1998US5737251 Rank order filter
04/02/1998WO1998013933A1 Parallel decimator method and apparatus
04/01/1998EP0833302A2 Sound field reproducing device
03/1998
03/31/1998US5734715 Process and device for adaptive identification and adaptive echo canceller relating thereto
03/31/1998US5734681 Process and system for transferring vector signal with precoding for signal power reduction
03/31/1998US5734577 Adaptive IIR multitone detector
03/26/1998WO1998012810A2 Method and apparatus for producing a deterministic sequence from an iir filter
03/25/1998EP0831480A1 Data processing apparatus and methods
03/25/1998EP0831479A1 Data processing apparatus and methods
03/25/1998EP0831478A1 Data processing apparatus and methods
03/24/1998US5732188 Method for the modification of LPC coefficients of acoustic signals
03/24/1998US5732107 Fir interpolator with zero order hold and fir-spline interpolation combination
03/24/1998US5732003 Sawtooth phase filter
03/24/1998US5732002 Multi-rate IIR decimation and interpolation filters
03/24/1998US5731770 Digital data buffering device
03/24/1998US5731769 Multi-rate digital filter apparatus and method for sigma-delta conversion processes
03/18/1998EP0663118B1 Asynchronous digital sample rate converter
03/17/1998US5729613 Reverberators for use in wide band assisted reverberation systems
03/17/1998US5729574 Method of processing a signal
03/17/1998US5729486 Digital dividing apparatus using a look-up table
03/17/1998US5729477 Method and apparatus for eliminating a disturbing component from a periodic signal, and application to an electronic capacitor voltage transformer
03/11/1998EP0827647A1 Analysis/synthesis filtering system with efficient oddly-stacked single-sideband filter bank using time-domain aliasing cancellation
03/05/1998WO1998009477A1 Signal correcting device, signal correcting method, and coefficient adjusting device and coefficient adjusting method for signal correcting device
03/05/1998DE19647920C1 Crash signal generation method for vehicle testing
03/04/1998EP0827361A2 Three-dimensional sound processing system
03/04/1998EP0827276A2 Coefficients setting method for comb filters
03/04/1998CN1175182A Method and device for producing multi-way sound channel from single sound channel
03/04/1998CN1175145A Timed inner-inserting device for digital demodulator
03/04/1998CN1175135A Bit serial digital expander
03/04/1998CN1175054A Digital signal processor
03/03/1998US5724395 Method and apparatus for filtering digital signals
03/03/1998US5724390 MLSE before derotation and after derotation
03/03/1998US5724269 Single clock cycle two-dimensional median filter
03/03/1998US5724037 Data acquisition system for computed tomography scanning and related applications
02/1998
02/26/1998WO1998008313A1 Symbol-matched filter having a low silicon and power requirement
02/25/1998EP0825800A2 Method and apparatus for generating multi-audio signals from a mono audio signal
02/24/1998US5721809 Maximum value selector
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