Quadrature mirror filters

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CPC
H03H17/0272

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Parent Industries

HELECTRICITY H03Electronic circuits H03HIMPEDANCE NETWORKS H03H17/00Networks using digital techniques

Current Industry

H03H17/0272Quadrature mirror filters

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Patents Grantslast 30 patents

Information Patent Grant
Resampling output signals of QMF based audio codecs
- Patent number 12,154,583
- Issue date Nov 26, 2024
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
System and method for processing audio data into a plurality of fre...
- Patent number 12,080,303
- Issue date Sep 3, 2024
- IMMERSION NETWORKS, INC.
- James David Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Resampling output signals of QMF based audio codec
- Patent number 11,961,531
- Issue date Apr 16, 2024
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
System and method for processing audio data into a plurality of fre...
- Patent number 11,823,691
- Issue date Nov 21, 2023
- IMMERSION NETWORKS, INC.
- James David Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Resampling output signals of QMF based audio codecs
- Patent number 11,810,584
- Issue date Nov 7, 2023
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Resampling output signals of QMF based audio codecs
- Patent number 11,804,232
- Issue date Oct 31, 2023
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Resampling output signals of QMF based audio codecs
- Patent number 11,790,928
- Issue date Oct 17, 2023
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Resampling output signals of QMF based audio codec
- Patent number 11,676,615
- Issue date Jun 13, 2023
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for processing multimedia signals
- Patent number 11,622,218
- Issue date Apr 4, 2023
- WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
- Hyunoh Oh
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
System and method for processing audio data into a plurality of fre...
- Patent number 11,562,758
- Issue date Jan 24, 2023
- IMMERSION NETWORKS, INC.
- James David Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Resampling output signals of QMF based audio codec
- Patent number 11,475,905
- Issue date Oct 18, 2022
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Resampling output signals of QMF based audio codecs
- Patent number 11,361,779
- Issue date Jun 14, 2022
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
System and method for processing audio data
- Patent number 11,289,108
- Issue date Mar 29, 2022
- IMMERSION NETWORKS, INC.
- James David Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for processing multimedia signals
- Patent number 11,096,000
- Issue date Aug 17, 2021
- WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
- Hyunoh Oh
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
System and method for processing audio data
- Patent number 10,861,474
- Issue date Dec 8, 2020
- IMMERSION NETWORKS, INC.
- James David Johnston
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and apparatus for processing multimedia signals
- Patent number 10,469,969
- Issue date Nov 5, 2019
- WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
- Hyunoh Oh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for audio signal processing
- Patent number 10,455,346
- Issue date Oct 22, 2019
- WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
- Taegyu Lee
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
System and method for processing audio data
- Patent number 10,354,667
- Issue date Jul 16, 2019
- IMMERSION NETWORKS, INC.
- James David Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
System and method for processing audio data
- Patent number 10,354,668
- Issue date Jul 16, 2019
- IMMERSION NETWORKS, INC.
- James David Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
System and method for processing audio data
- Patent number 10,354,669
- Issue date Jul 16, 2019
- IMMERSION NETWORKS, INC.
- James David Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
System and method for processing audio data
- Patent number 10,339,947
- Issue date Jul 2, 2019
- IMMERSION NETWORKS, INC.
- James David Johnston
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Resampling output signals of QMF based audio codecs
- Patent number 10,311,886
- Issue date Jun 4, 2019
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and device for audio signal processing
- Patent number 9,961,469
- Issue date May 1, 2018
- WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
- Taegyu Lee
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and apparatus for quadrature mirror filtering
- Patent number 9,812,140
- Issue date Nov 7, 2017
- Samsung Electronics Co., Ltd.
- Kang-eun Lee
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Orthogonal transform apparatus, orthogonal transform method, orthog...
- Patent number 9,632,982
- Issue date Apr 25, 2017
- Fujitsu Limited
- Yohei Kishi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Resampling output signals of QMF based audio codecs
- Patent number 9,595,265
- Issue date Mar 14, 2017
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Markus Lohwasser
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and apparatus for processing audio signals
- Patent number 9,584,943
- Issue date Feb 28, 2017
- WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
- Hyunoh Oh
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Sub-band signal processing
- Patent number 9,148,126
- Issue date Sep 29, 2015
- Harman Becker Automotive Systems GmbH
- Markus Christoph
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low complexity spectral band replication (SBR) filterbanks
- Patent number 8,392,200
- Issue date Mar 5, 2013
- QUALCOMM Incorporated
- Ravi Kiran Chivukula
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Filter compressor and method for manufacturing compressed subband f...
- Patent number 8,255,212
- Issue date Aug 28, 2012
- Dolby International AB
- Lars Villemoes
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR PROCESSING AUDIO DATA
- Publication number 20240087583
- Publication date Mar 14, 2024
- IMMERSION NETWORKS, INC.
- James David Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS
- Publication number 20240046942
- Publication date Feb 8, 2024
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SYSTEM AND METHOD FOR PROCESSING AUDIO DATA
- Publication number 20230162747
- Publication date May 25, 2023
- IMMERSION NETWORKS, INC.
- James David Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODEC
- Publication number 20220262382
- Publication date Aug 18, 2022
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODEC
- Publication number 20220262381
- Publication date Aug 18, 2022
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODEC
- Publication number 20220262380
- Publication date Aug 18, 2022
- Fraunhofer-Gesellschaft zur Foerderung der angewandfen Forschung e.V.
- Markus LOHWASSER
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODEC
- Publication number 20220262383
- Publication date Aug 18, 2022
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SYSTEM AND METHOD FOR PROCESSING AUDIO DATA
- Publication number 20220223164
- Publication date Jul 14, 2022
- IMMERSION NETWORKS, INC.
- James David Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
METHOD AND APPARATUS FOR PROCESSING MULTIMEDIA SIGNALS
- Publication number 20210337335
- Publication date Oct 28, 2021
- WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
- Hyunoh OH
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS
- Publication number 20210174816
- Publication date Jun 10, 2021
- Fraunhofer-Gesellschaft zur foerderung der Angewandten Forschung e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS
- Publication number 20210166709
- Publication date Jun 3, 2021
- Fraunhofer-Gesellschaft zur foerderung der Angewandten Forschung e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS
- Publication number 20210166710
- Publication date Jun 3, 2021
- Fraunhofer-Gesellschaft zur foerderung der Angewandten Forschung e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SYSTEM AND METHOD FOR PROCESSING AUDIO DATA
- Publication number 20210090585
- Publication date Mar 25, 2021
- IMMERSION NETWORKS, INC.
- James David Johnston
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
METHOD AND APPARATUS FOR PROCESSING MULTIMEDIA SIGNALS
- Publication number 20200021936
- Publication date Jan 16, 2020
- WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
- Hyunoh OH
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SYSTEM AND METHOD FOR PROCESSING AUDIO DATA
- Publication number 20190279653
- Publication date Sep 12, 2019
- IMMERSION NETWORKS, INC.
- James David Johnston
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS
- Publication number 20190259405
- Publication date Aug 22, 2019
- Fraunhofer-Gesellschaft zur foerderung der Angewandten Forschung e.V.
- Markus Lohwasser
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SYSTEM AND METHOD FOR PROCESSING AUDIO DATA
- Publication number 20180278241
- Publication date Sep 27, 2018
- IMMERSION SERVICES LLC dba IMMERSION NETWORKS
- James David Johnston
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND DEVICE FOR AUDIO SIGNAL PROCESSING
- Publication number 20180227692
- Publication date Aug 9, 2018
- WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
- Taegyu LEE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS
- Publication number 20170148462
- Publication date May 25, 2017
- Fraunhofer-Gesellschaft zur foerderung der Angewandten Forschung e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ORTHOGONAL TRANSFORM APPARATUS, ORTHOGONAL TRANSFORM METHOD, ORTHOG...
- Publication number 20140297706
- Publication date Oct 2, 2014
- Fujitsu Limited
- Yohei KISHI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS
- Publication number 20130151262
- Publication date Jun 13, 2013
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
LOW COMPLEXITY SPECTRAL BAND REPLICATION (SBR) FILTERBANKS
- Publication number 20100262427
- Publication date Oct 14, 2010
- QUALCOMM Incorporated
- Ravi Kiran Chivukula
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SUB-BAND SIGNAL PROCESSING
- Publication number 20100146026
- Publication date Jun 10, 2010
- Markus Christoph
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Filter Unit and Method for Generating Subband Filter Impulse Responses
- Publication number 20100017195
- Publication date Jan 21, 2010
- Lars Villemoes
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SAMPLE RATE CONVERTER AND METHOD TO PERFORM SAMPLE RATE CONVERSION
- Publication number 20080034161
- Publication date Feb 7, 2008
- Creative Technology Ltd.
- Thomas C. Savell
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Receiver and a signal processing circuit therefor
- Publication number 20040043748
- Publication date Mar 4, 2004
- Theng Tee Yeo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Quadrature mirror filters

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Resampling output signals of QMF based audio codecs

System and method for processing audio data into a plurality of fre...

Resampling output signals of QMF based audio codec

System and method for processing audio data into a plurality of fre...

Resampling output signals of QMF based audio codecs

Resampling output signals of QMF based audio codecs

Resampling output signals of QMF based audio codecs

Resampling output signals of QMF based audio codec

Method and apparatus for processing multimedia signals

System and method for processing audio data into a plurality of fre...

Resampling output signals of QMF based audio codec

Resampling output signals of QMF based audio codecs

System and method for processing audio data

Method and apparatus for processing multimedia signals

System and method for processing audio data

Method and apparatus for processing multimedia signals

Method and device for audio signal processing

System and method for processing audio data

System and method for processing audio data

System and method for processing audio data

System and method for processing audio data

Resampling output signals of QMF based audio codecs

Method and device for audio signal processing

Method and apparatus for quadrature mirror filtering

Orthogonal transform apparatus, orthogonal transform method, orthog...

Resampling output signals of QMF based audio codecs

Method and apparatus for processing audio signals

Sub-band signal processing

Low complexity spectral band replication (SBR) filterbanks

Filter compressor and method for manufacturing compressed subband f...

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR PROCESSING AUDIO DATA

RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS

SYSTEM AND METHOD FOR PROCESSING AUDIO DATA

RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODEC

RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODEC

RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODEC

RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODEC

SYSTEM AND METHOD FOR PROCESSING AUDIO DATA

METHOD AND APPARATUS FOR PROCESSING MULTIMEDIA SIGNALS

RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS

RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS

RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS

SYSTEM AND METHOD FOR PROCESSING AUDIO DATA

METHOD AND APPARATUS FOR PROCESSING MULTIMEDIA SIGNALS

SYSTEM AND METHOD FOR PROCESSING AUDIO DATA

RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS

SYSTEM AND METHOD FOR PROCESSING AUDIO DATA

METHOD AND DEVICE FOR AUDIO SIGNAL PROCESSING

RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS

ORTHOGONAL TRANSFORM APPARATUS, ORTHOGONAL TRANSFORM METHOD, ORTHOG...

RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS

LOW COMPLEXITY SPECTRAL BAND REPLICATION (SBR) FILTERBANKS

SUB-BAND SIGNAL PROCESSING

Filter Unit and Method for Generating Subband Filter Impulse Responses

SAMPLE RATE CONVERTER AND METHOD TO PERFORM SAMPLE RATE CONVERSION

Receiver and a signal processing circuit therefor