ClassID:

220976

H03H17/0266 - CPC Classification

Classification description:

Networks using digital techniques; Frequency selective networks; Filters characterised by a particular frequency response or filtering method; Filter sets with mutual related characteristics Filter banks

Sub-classes:
Recent Application in this class:
#1
20250174241
2025-05-29

DIGITAL FILTERBANK FOR SPECTRAL ENVELOPE ADJUSTMENT

#2
20250015785
2025-01-09

METHOD AND DEVICE FOR DESIGNING AND OVERSAMPLED LOW DELAY FILTER BANK

#3
20240421801
2024-12-19

METHOD AND APPARATUS FOR ESTIMATING FREQUENCY BAND OF RECEIVED SIGNAL, AND STORAGE MEDIUM STORING INSTRUCTIONS TO PERFORM METHOD FOR ESTIMATING FREQUENCY BAND OF RECEIVED SIGNAL

#4
20240348236
2024-10-17

RECONFIGURABLE MANIFOLD COMBINERS

#5
20240055010
2024-02-15

Digital filterbank for spectral envelope adjustment

#6
20230161586
2023-05-25

Embedded GPU-based wideband parallel channelized receiving method

#7
20220310105
2022-09-29

Analysis filter bank and computing procedure thereof, analysis filter bank based signal processing system and procedure suitable for real-time applications

#8
20220059111
2022-02-24

Digital filterbank for spectral envelope adjustment

#9
20210337335
2021-10-28

Method and apparatus for processing multimedia signals

#10
20210250017
2021-08-12

Device and method for filtering signal

#11
20210091752
2021-03-25

Resource conserving weighted overlap-add channelizer

#12
20210044280
2021-02-11

Transmitter module, receiver module and data transmission system

#13
20200390355
2020-12-17

SYSTEM FOR DETECTING QRS COMPLEXES IN AN ELECTROCARDIOGRAPHY (ECG) SIGNAL

#14
20200380999
2020-12-03

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#15
20200274524
2020-08-27

Resource conserving weighted overlap-add channelizer

#16
20200092146
2020-03-19

Transmitter, receiver and a method for digital multiple sub-band processing

#17
20200066292
2020-02-27

Digital filterbank for spectral envelope adjustment

#18
20200021936
2020-01-16

Method and apparatus for processing multimedia signals

#19
20190362729
2019-11-28

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#20
20190066707
2019-02-28

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#21
20190052959
2019-02-14

Audio signal processing

#22
20180343526
2018-11-29

Distortion free filter bank for a hearing device

#23
20180227692
2018-08-09

Method and device for audio signal processing

#24
20180166089
2018-06-14

Method and system for signal decomposition, analysis and reconstruction

#25
20180146288
2018-05-24

Digital filterbank for spectral envelope adjustment

#26
20180083805
2018-03-22

ELECTRONIC DEVICE IN WIRELESS COMMUNICATIONS SYSTEM, WIRELESS COMMUNICATIONS SYSTEM, AND METHOD

#27
20180082698
2018-03-22

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#28
20180053517
2018-02-22

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#29
20180013387
2018-01-11

High speed sampling of sensors

#30
20170264271
2017-09-14

Complex exponential modulated filter bank for high frequency reconstruction or parametric stereo

#31
20170262409
2017-09-14

Complex exponential modulated filter bank for high frequency reconstruction or parametric stereo

#32
20170238094
2017-08-17

Complex exponential modulated filter bank for high frequency reconstruction or parametric stereo

#33
20170214558
2017-07-27

Transmitter, receiver and a method for digital multiple sub-band processing

#34
20170194942
2017-07-06

Complex exponential modulated filter bank for high frequency reconstruction or parametric stereo

#35
20170169835
2017-06-15

Complex exponential modulated filter bank for high frequency reconstruction or parametric stereo

#36
20170140770
2017-05-18

Complex exponential modulated filter bank for high frequency reconstruction

#37
20170085250
2017-03-23

Complex-valued synthesis filter bank with phase shift

#38
20170076730
2017-03-16

Alias-free subband processing

#39
20170070211
2017-03-09

Low delay modulated filter bank

#40
20170012598
2017-01-12

Variable bandwidth filtering

#41
20170012596
2017-01-12

M-path filter with outer and inner channelizers for passband bandwidth adjustment

#42
20160329062
2016-11-10

Low delay modulated filter bank

#43
20160249149
2016-08-25

Method and apparatus for processing audio signals

#44
20160234620
2016-08-11

Method and device for audio signal processing

#45
20160232913
2016-08-11

System and method for signal decomposition, analysis and reconstruction

#46
20160219388
2016-07-28

Method and apparatus for processing multimedia signals

#47
20160198281
2016-07-07

Method and apparatus for processing audio signals

#48
20160057536
2016-02-25

Audio filtering with virtual sample rate increases

#49
20160057535
2016-02-25

Audio filtering with virtual sample rate increases

#50
20160037252
2016-02-04

Audio filters utilizing sine functions

#51
20150333734
2015-11-19

Complex-valued filter bank with phase shift for high frequency reconstruction or parametric stereo

#52
20150333733
2015-11-19

Low delay modulated filter bank

#53
20150332703
2015-11-19

Low delay modulated filter bank

#54
20150049880
2015-02-19

Low delay real-to-complex conversion in overlapping filter banks for partially complex processing

#55
20140304315
2014-10-09

Low delay modulated filter bank

#56
20140289297
2014-09-25

Method and apparatus for signal decomposition, analysis, reconstruction and tracking

#57
20140278382
2014-09-18

Signal decomposition, analysis and reconstruction using high-resolution filter banks and component tracking

#58
20140169501
2014-06-19

Receiver, transmitter and a method for digital multiple sub-band processing

#59
20140079167
2014-03-20

Multi-function receiver with switched channelizer having high dynamic range active microwave filters using carbon nanotube electronics

#60
20140074462
2014-03-13

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#61
20130108077
2013-05-02

Device and method for processing a real subband signal for reducing aliasing effects

#62
20120308029
2012-12-06

Adaptive filtering system

#63
20120284034
2012-11-08

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#64
20120284033
2012-11-08

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#65
20120269238
2012-10-25

Demultiplexing device, multiplexing device, and relay device

#66
20120063554
2012-03-15

Oversampled synthesizer systems and methods

#67
20110302230
2011-12-08

Low delay modulated filter bank

#68
20110178810
2011-07-21

Audio signal encoding or decoding

#69
20110106541
2011-05-05

Partially complex modulated filter bank

#70
20110054914
2011-03-03

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#71
20110007918
2011-01-13

Filter bank configuration for a hearing device

#72
20100262427
2010-10-14

Low complexity spectral band replication (SBR) filterbanks

#73
20100253447
2010-10-07

Filter banks for enhancing signals using oversampled subband transforms

#74
20100228555
2010-09-09

Partially complex modulated filter bank

#75
20100174767
2010-07-08

Efficient filtering with a complex modulated filterbank

#76
20100158158
2010-06-24

Wide-band signal processor

#77
20100150365
2010-06-17

Signal processing device, echo canceller, and signal processing method

#78
20100023322
2010-01-28

Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples

#79
20100017195
2010-01-21

Filter compressor and method for manufacturing compressed subband filter impulse responses

#80
20100013987
2010-01-21

Device and method for processing a real subband signal for reducing aliasing effects

#81
20090319283
2009-12-24

Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples

#82
20090304031
2009-12-10

Digital signal demultiplexing device and multiplexing device

#83
20090290737
2009-11-26

Method for optimizing a multilevel filter bank and corresponding filter bank and hearing apparatus

#84
20090290736
2009-11-26

Filter bank system for hearing aids

#85
20090259479
2009-10-15

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#86
20090244395
2009-10-01

N DIMENSIONAL NON-LINEAR, STATIC, ADAPTIVE DIGITAL FILTER DESIGN USING D SCALE NON-UNIFORM SAMPLING

#87
20090234646
2009-09-17

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#88
20090216544
2009-08-27

Audio signal encoding or decoding

#89
20090177726
2009-07-09

METHOD FOR PROCESSING A DIGITAL INPUT SIGNAL IN A DIGITAL DOMAIN AND DIGITAL FILTER CIRCUIT FOR PROCESSING A DIGITAL INPUT SIGNAL

#90
20080317113
2008-12-25

System and Method for Run-Time Reconfiguration

#91
20080222228
2008-09-11

BANK OF CASCADABLE DIGITAL FILTERS, AND RECEPTION CIRCUIT INCLUDING SUCH A BANK OF CASCADED FILTERS

#92
20080091760
2008-04-17

Filter bank and method for improving efficiency thereof

#93
20080033730
2008-02-07

Alias-free subband processing

#94
20080015868
2008-01-17

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#95
20080010061
2008-01-10

Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks

#96
20070179781
2007-08-02

Efficient filtering with a complex modulated filterbank

#97
20070121952
2007-05-31

Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods

#98
20070100612
2007-05-03

Partially complex modulated filter bank

#99
20070067162
2007-03-22

Audio signal encoding or decoding

#100
20070027679
2007-02-01

System and method for optimizing the operation of an oversampled discrete Fourier transform filter bank

#101
20060088091
2006-04-27

Equalizer with overlapped filter banks and methods for the same

#102
20060053018
2006-03-09

Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods

#103
20050249313
2005-11-10

Frequency content separation using complex frequency shifting converters

#104
20050216541
2005-09-29

Non-uniform filter bank implementation

#105
20050211077
2005-09-29

Signal processing apparatus and method, recording medium and program

#106
20050143973
2005-06-30

Digital signal sub-band separating/combining apparatus achieving band-separation and band-combining filtering processing with reduced amount of group delay

#107
20050122256
2005-06-09

Signal analysis

#108
20050108002
2005-05-19

Signal analyzing method, signal synthesizing method of complex exponential modulation filter bank, program thereof and recording medium thereof

#109
20050031046
2005-02-10

Multirate digital transceiver

#110
20050018796
2005-01-27

Method of combining an analysis filter bank following a synthesis filter bank and structure therefor

#111
19028818
2025-07-29

Matrix decomposition structure of two-channel quadrature mirror filter bank and coefficient design method thereof

#112
16101439
2020-12-22

Interstitial filter system and method with improved performance

#113
15468689
2017-05-30

Complex exponential modulated filter bank for high frequency reconstruction

#114
12883224
2015-07-14

Method and system of filtering polyphased data