Pre-filtering or post-filtering

Industry

CPC
G10L19/26

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Parent Industries

GPHYSICS G10Musical instruments G10LSPEECH ANALYSIS OR SYNTHESIS SPEECH RECOGNITION SPEECH OR VOICE PROCESSING SPEECH OR AUDIO CODING OR DECODING G10L19/00Speech or audio signal analysis-synthesis techniques for redundancy reduction

Current Industry

G10L19/26Pre-filtering or post-filtering

Industries

Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for covariance smoothing
- Patent number 11,972,767
- Issue date Apr 30, 2024
- Dolby Laboratories Licensing Corporation
- David S. McGrath
- 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
Backward-compatible integration of high frequency reconstruction te...
- Patent number 11,961,528
- Issue date Apr 16, 2024
- DOLBY INTERNATIONAL AB
- Kristofer Kjoerling
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Encoder, decoder and methods for encoding and decoding data segment...
- Patent number 11,961,530
- Issue date Apr 16, 2024
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Ralf Geiger
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
System and method for non-destructively normalizing loudness of aud...
- Patent number 11,948,592
- Issue date Apr 2, 2024
- Dolby Laboratories Licensing Corporation
- Jeffrey Riedmiller
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Voice activity detection with low-power accelerometer
- Patent number 11,942,107
- Issue date Mar 26, 2024
- STMicroelectronics S.r.l.
- Stefano Paolo Rivolta
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Efficient combined harmonic transposition
- Patent number 11,935,508
- Issue date Mar 19, 2024
- DOLBY INTERNATIONAL AB
- Per Ekstrand
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Cross product enhanced harmonic transposition
- Patent number 11,935,551
- Issue date Mar 19, 2024
- DOLBY INTERNATIONAL AB
- Lars Villemoes
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio encoder and decoder using a frequency domain processor with f...
- Patent number 11,929,084
- Issue date Mar 12, 2024
- Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung E.V.
- Sascha Disch
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio encoder and decoder using a frequency domain processor, a tim...
- Patent number 11,915,712
- Issue date Feb 27, 2024
- Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung E.V.
- Sascha Disch
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Model based prediction in a critically sampled filterbank
- Patent number 11,915,713
- Issue date Feb 27, 2024
- DOLBY INTERNATIONAL AB
- Lars Villemoes
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Audio processing device and audio processing method
- Patent number 11,900,953
- Issue date Feb 13, 2024
- Realtek Semiconductor Corporation
- Chun-Chang Liu
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio coder window and transform implementations
- Patent number 11,894,004
- Issue date Feb 6, 2024
- DTS, Inc.
- Michael M. Goodwin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Enabling sampling rate diversity in a voice communication system
- Patent number 11,894,005
- Issue date Feb 6, 2024
- Dolby Laboratories Licensing Corporation
- Heiko Purnhagen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Compressor target curve to avoid boosting noise
- Patent number 11,894,006
- Issue date Feb 6, 2024
- Dolby Laboratories Licensing Corporation
- Zhongjin Wang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
LPC residual signal encoding/decoding apparatus of modified discret...
- Patent number 11,887,612
- Issue date Jan 30, 2024
- Electronics and Telecommunications Research Institute
- Seung Kwon Beack
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Decoder, encoder and method for informed loudness estimation employ...
- Patent number 11,875,804
- Issue date Jan 16, 2024
- Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
- Jouni Paulus
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio encoder and decoder for interleaved waveform coding
- Patent number 11,875,805
- Issue date Jan 16, 2024
- DOLBY INTERNATIONAL AB
- Kristofer Kjoerling
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for processing an audio signal, audio decoder,...
- Patent number 11,869,525
- Issue date Jan 9, 2024
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Emmanuel Ravelli
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for increasing stability of an inter-channel t...
- Patent number 11,869,518
- Issue date Jan 9, 2024
- Telefonaktiebolaget LM Ericsson
- Erik Norvell
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Encoding method, decoding method, encoding apparatus, and decoding...
- Patent number 11,869,520
- Issue date Jan 9, 2024
- Huawei Technologies Co., Ltd.
- Bin Wang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Low-frequency emphasis for LPC-based coding in frequency domain
- Patent number 11,854,561
- Issue date Dec 26, 2023
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Stefan Doehla
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Encoded output data stream transmission
- Patent number 11,830,512
- Issue date Nov 28, 2023
- BlackBerry Limited
- Joe Mammone
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Phase reconstruction in a speech decoder
- Patent number 11,817,107
- Issue date Nov 14, 2023
- Microsoft Technology Licensing, LLC
- Soren Skak Jensen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Cross product enhanced subband block based harmonic transposition
- Patent number 11,817,110
- Issue date Nov 14, 2023
- DOLBY INTERNATIONAL AB
- Lars Villemoes
- 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
Apparatus for encoding or decoding an encoded multichannel signal u...
- Patent number 11,790,922
- Issue date Oct 17, 2023
- Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
- Jan Büthe
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Apparatus and method for encoding or decoding directional audio cod...
- Patent number 11,783,843
- Issue date Oct 10, 2023
- Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
- Guillaume Fuchs
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR PROCESSING AN AUDIO SIGNAL, AUDIO DECODER,...
- Publication number 20240135943
- Publication date Apr 25, 2024
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- Emmanuel RAVELLI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
LEVEL-OF-DETAIL AUDIO CODEC
- Publication number 20240127834
- Publication date Apr 18, 2024
- Sony Interactive Entertainment LLC
- Mathieu Jean
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
LOW-FREQUENCY EMPHASIS FOR LPC-BASED CODING IN FREQUENCY DOMAIN
- Publication number 20240119953
- Publication date Apr 11, 2024
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- Stefan DOEHLA
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
LPC RESIDUAL SIGNAL ENCODING/DECODING APPARATUS OF MODIFIED DISCRET...
- Publication number 20240105194
- Publication date Mar 28, 2024
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Seung Kwon BEACK
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
PARAMETRIC RECONSTRUCTION OF AUDIO SIGNALS
- Publication number 20240087584
- Publication date Mar 14, 2024
- DOLBY INTERNATIONAL AB
- Lars VILLEMOES
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ENCODED OUTPUT DATA STREAM TRANSMISSION
- Publication number 20240071400
- Publication date Feb 29, 2024
- BlackBerry Limited
- Joe Mammone
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DIGITAL FILTERBANK FOR SPECTRAL ENVELOPE ADJUSTMENT
- Publication number 20240055010
- Publication date Feb 15, 2024
- DOLBY INTERNATIONAL AB
- Per Ekstrand
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PHASE RECONSTRUCTION IN A SPEECH DECODER
- Publication number 20240046937
- Publication date Feb 8, 2024
- Microsoft Technology Licensing, LLC
- Soren Skak Jensen
- 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
CROSS PRODUCT ENHANCED SUBBAND BLOCK BASED HARMONIC TRANSPOSITION
- Publication number 20240046940
- Publication date Feb 8, 2024
- DOLBY INTERNATIONAL AB
- Lars Villemoes
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DIGITAL ENCAPSULATION OF AUDIO SIGNALS
- Publication number 20240029749
- Publication date Jan 25, 2024
- MQA Limited
- Peter Graham Craven
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
BACKWARD-COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TE...
- Publication number 20240029747
- Publication date Jan 25, 2024
- DOLBY INTERNATIONAL AB
- Kristofer KJOERLING
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
EFFICIENT DRC PROFILE TRANSMISSION
- Publication number 20240029748
- Publication date Jan 25, 2024
- DOLBY INTERNATIONAL AB
- Holger HOERICH
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
METHOD AND APPARATUS FOR NEURAL NETWORK BASED PROCESSING OF AUDIO U...
- Publication number 20240021210
- Publication date Jan 18, 2024
- DOLBY INTERNATIONAL AB
- Arijit BISWAS
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Audio Coder Window And Transform Implementations
- Publication number 20240005932
- Publication date Jan 4, 2024
- DTS, Inc.
- Michael M. Goodwin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
AUDIO DECORRELATOR, PROCESSING SYSTEM AND METHOD FOR DECORRELATING...
- Publication number 20230421979
- Publication date Dec 28, 2023
- Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
- Sascha DISCH
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Apparatus for Encoding or Decoding an Encoded Multichannel Signal U...
- Publication number 20230419976
- Publication date Dec 28, 2023
- Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
- Jan BÜTHE
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Apparatus and Method for encoding or Decoding Directional Audio Cod...
- Publication number 20230410819
- Publication date Dec 21, 2023
- Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
- Guillaume FUCHS
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
AUDIO ENCODER AND DECODER USING A FREQUENCY DOMAIN PROCESSOR WITH F...
- Publication number 20230402046
- Publication date Dec 14, 2023
- Sascha DISCH
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
BACKWARD-COMPATIBLE INTEGRATION OF HARMONIC TRANSPOSER FOR HIGH FRE...
- Publication number 20230377589
- Publication date Nov 23, 2023
- DOLBY INTERNATIONAL AB
- Lars VILLEMOES
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
AUDIO ENCODER AND BANDWIDTH EXTENSION DECODER
- Publication number 20230377590
- Publication date Nov 23, 2023
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- Frederik NAGEL
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Method, Apparatus, and System for Processing Audio Data
- Publication number 20230352035
- Publication date Nov 2, 2023
- Huawei Technologies Co., Ltd
- Zhe Wang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
FRAME LOSS CONCEALMENT FOR A LOW-FREQUENCY EFFECTS CHANNEL
- Publication number 20230343344
- Publication date Oct 26, 2023
- DOLBY INTERNATIONAL AB
- Stefan BRUHN
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Machine-Learned Differentiable Digital Signal Processing
- Publication number 20230343348
- Publication date Oct 26, 2023
- Google LLC
- Jesse Engel
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUDIO DECODER FOR AUDIO CHANNEL RECONSTRUCTION
- Publication number 20230345176
- Publication date Oct 26, 2023
- DOLBY INTERNATIONAL AB
- Heiko PURNHAGEN
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SYSTEM AND METHOD FOR NON-DESTRUCTIVELY NORMALIZING LOUDNESS OF AUD...
- Publication number 20230343347
- Publication date Oct 26, 2023
- Dolby Laboratories Licensing Corporation
- Jeffrey Riedmiller
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
METHOD AND APPARATUS FOR PROCESSING AN AUDIO SIGNAL, AUDIO DECODER,...
- Publication number 20230335147
- Publication date Oct 19, 2023
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- Emmanuel RAVELLI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Methods, Encoder And Decoder For Linear Predictive Encoding And Dec...
- Publication number 20230326472
- Publication date Oct 12, 2023
- VOICEAGE EVS LLC
- Redwan SALAMI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DECODER, ENCODER, AND METHOD FOR INFORMED LOUDNESS ESTIMATION IN OB...
- Publication number 20230306973
- Publication date Sep 28, 2023
- Fraunhofer Gesellschaft zur Forderung der angewandten Forschung e. V.
- Jouni Paulus
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Model Based Prediction in a Critically Sampled Filterbank
- Publication number 20230306974
- Publication date Sep 28, 2023
- DOLBY INTERNATIONAL AB
- Lars Villemoes
- G06 - COMPUTING CALCULATING COUNTING

Pre-filtering or post-filtering

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Systems and methods for covariance smoothing

Resampling output signals of QMF based audio codec

Backward-compatible integration of high frequency reconstruction te...

Encoder, decoder and methods for encoding and decoding data segment...

System and method for non-destructively normalizing loudness of aud...

Voice activity detection with low-power accelerometer

Efficient combined harmonic transposition

Cross product enhanced harmonic transposition

Audio encoder and decoder using a frequency domain processor with f...

Audio encoder and decoder using a frequency domain processor, a tim...

Model based prediction in a critically sampled filterbank

Audio processing device and audio processing method

Audio coder window and transform implementations

Enabling sampling rate diversity in a voice communication system

Compressor target curve to avoid boosting noise

LPC residual signal encoding/decoding apparatus of modified discret...

Decoder, encoder and method for informed loudness estimation employ...

Audio encoder and decoder for interleaved waveform coding

Method and apparatus for processing an audio signal, audio decoder,...

Method and apparatus for increasing stability of an inter-channel t...

Encoding method, decoding method, encoding apparatus, and decoding...

Low-frequency emphasis for LPC-based coding in frequency domain

Encoded output data stream transmission

Phase reconstruction in a speech decoder

Cross product enhanced subband block based harmonic transposition

Resampling output signals of QMF based audio codecs

Resampling output signals of QMF based audio codecs

Resampling output signals of QMF based audio codecs

Apparatus for encoding or decoding an encoded multichannel signal u...

Apparatus and method for encoding or decoding directional audio cod...

Patents Applicationslast 30 patents

METHOD AND APPARATUS FOR PROCESSING AN AUDIO SIGNAL, AUDIO DECODER,...

LEVEL-OF-DETAIL AUDIO CODEC

LOW-FREQUENCY EMPHASIS FOR LPC-BASED CODING IN FREQUENCY DOMAIN

LPC RESIDUAL SIGNAL ENCODING/DECODING APPARATUS OF MODIFIED DISCRET...

PARAMETRIC RECONSTRUCTION OF AUDIO SIGNALS

ENCODED OUTPUT DATA STREAM TRANSMISSION

DIGITAL FILTERBANK FOR SPECTRAL ENVELOPE ADJUSTMENT

PHASE RECONSTRUCTION IN A SPEECH DECODER

RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODECS

CROSS PRODUCT ENHANCED SUBBAND BLOCK BASED HARMONIC TRANSPOSITION

DIGITAL ENCAPSULATION OF AUDIO SIGNALS

BACKWARD-COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TE...

EFFICIENT DRC PROFILE TRANSMISSION

METHOD AND APPARATUS FOR NEURAL NETWORK BASED PROCESSING OF AUDIO U...

Audio Coder Window And Transform Implementations

AUDIO DECORRELATOR, PROCESSING SYSTEM AND METHOD FOR DECORRELATING...

Apparatus for Encoding or Decoding an Encoded Multichannel Signal U...

Apparatus and Method for encoding or Decoding Directional Audio Cod...

AUDIO ENCODER AND DECODER USING A FREQUENCY DOMAIN PROCESSOR WITH F...

BACKWARD-COMPATIBLE INTEGRATION OF HARMONIC TRANSPOSER FOR HIGH FRE...

AUDIO ENCODER AND BANDWIDTH EXTENSION DECODER

Method, Apparatus, and System for Processing Audio Data

FRAME LOSS CONCEALMENT FOR A LOW-FREQUENCY EFFECTS CHANNEL

Machine-Learned Differentiable Digital Signal Processing

AUDIO DECODER FOR AUDIO CHANNEL RECONSTRUCTION

SYSTEM AND METHOD FOR NON-DESTRUCTIVELY NORMALIZING LOUDNESS OF AUD...

METHOD AND APPARATUS FOR PROCESSING AN AUDIO SIGNAL, AUDIO DECODER,...

Methods, Encoder And Decoder For Linear Predictive Encoding And Dec...

DECODER, ENCODER, AND METHOD FOR INFORMED LOUDNESS ESTIMATION IN OB...

Model Based Prediction in a Critically Sampled Filterbank