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
Machine learning-based audio manipulation using virtual backgrounds...
- Patent number 12,368,820
- Issue date Jul 22, 2025
- Cisco Technology, Inc.
- Urmil Dave
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for encoding or decoding an encoded multichannel signal u...
- Patent number 12,367,886
- Issue date Jul 22, 2025
- Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
- Jan Büthe
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for transmitting/receiving voice signal on bas...
- Patent number 12,367,889
- Issue date Jul 22, 2025
- Samsung Electronics Co., Ltd.
- Hakju Lee
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Colorless generation of elevation perceptual cues using all-pass fi...
- Patent number 12,363,499
- Issue date Jul 15, 2025
- Boomcloud 360 Inc.
- Zachary Seldess
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Backward-compatible integration of harmonic transposer for high fre...
- Patent number 12,308,040
- Issue date May 20, 2025
- DOLBY INTERNATIONAL AB
- Lars Villemoes
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Server and method for controlling server
- Patent number 12,301,909
- Issue date May 13, 2025
- Samsung Electronics Co., Ltd.
- Yong-wook Shin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Phase reconstruction in a speech decoder
- Patent number 12,300,253
- Issue date May 13, 2025
- Microsoft Technology Licensing, LLC
- Soren Skak Jensen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Backward-compatible integration of high frequency reconstruction te...
- Patent number 12,288,564
- Issue date Apr 29, 2025
- DOLBY INTERNATIONAL AB
- Kristofer Kjoerling
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Data sequence generation
- Patent number 12,283,280
- Issue date Apr 22, 2025
- Telefonaktiebolaget LM Ericsson (publ)
- Mengqiu Zhang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Model based prediction in a critically sampled filterbank
- Patent number 12,277,945
- Issue date Apr 15, 2025
- DOLBY INTERNATIONAL AB
- Lars Villemoes
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cross product enhanced subband block based harmonic transposition
- Patent number 12,266,374
- Issue date Apr 1, 2025
- DOLBY INTERNATIONAL AB
- Lars Villemoes
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio decoding device, audio encoding device, audio decoding method...
- Patent number 12,223,971
- Issue date Feb 11, 2025
- NTT DoCoMo, Inc.
- Kei Kikuiri
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Encoding method, decoding method, encoding apparatus, and decoding...
- Patent number 12,217,764
- Issue date Feb 4, 2025
- Huawei Technologies Co., Ltd.
- Bin Wang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Hearing device comprising an adaptive filter bank
- Patent number 12,205,611
- Issue date Jan 21, 2025
- Oticon A/S
- Michael Syskind Pedersen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Backward-compatible integration of high frequency reconstruction te...
- Patent number 12,205,602
- Issue date Jan 21, 2025
- DOLBY INTERNATIONAL AB
- Kristofer Kjoerling
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Differentiable wavetable synthesizer using plurality of machine lea...
- Patent number 12,198,673
- Issue date Jan 14, 2025
- Lemon Inc.
- Lamtharn Hantrakul
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus and method for encoding a spatial audio representation or...
- Patent number 12,198,709
- Issue date Jan 14, 2025
- Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
- Fabian Küch
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Apparatus and method for processing an audio signal using a harmoni...
- Patent number 12,190,897
- Issue date Jan 7, 2025
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Emmanuel Ravelli
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Decoding apparatus and method, and program
- Patent number 12,183,353
- Issue date Dec 31, 2024
- Sony Group Corporation
- Yuki Yamamoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Digital encapsulation of audio signals
- Patent number 12,183,356
- Issue date Dec 31, 2024
- Lenbrook Industries Limited
- Peter Graham Craven
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
System and method for non-destructively normalizing loudness of aud...
- Patent number 12,183,355
- Issue date Dec 31, 2024
- Dolby Laboratories Licensing Corporation
- Jeffrey Riedmiller
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Parametric reconstruction of audio signals
- Patent number 12,175,990
- Issue date Dec 24, 2024
- DOLBY INTERNATIONAL AB
- Lars Villemoes
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Apparatus and methods for processing an audio signal
- Patent number 12,175,988
- Issue date Dec 24, 2024
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Patrick Gampp
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio coder window and transform implementations
- Patent number 12,175,989
- Issue date Dec 24, 2024
- DTS, Inc.
- Michael M. Goodwin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Backward-compatible integration of harmonic transposer for high fre...
- Patent number 12,175,993
- Issue date Dec 24, 2024
- DOLBY INTERNATIONAL AB
- Lars Villemoes
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Cross product enhanced harmonic transposition
- Patent number 12,165,666
- Issue date Dec 10, 2024
- DOLBY INTERNATIONAL AB
- Lars Villemoes
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for processing an audio signal, audio decoder,...
- Patent number 12,165,665
- Issue date Dec 10, 2024
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Emmanuel Ravelli
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Digital filterbank for spectral envelope adjustment
- Patent number 12,159,642
- Issue date Dec 3, 2024
- DOLBY INTERNATIONAL AB
- Per Ekstrand
- G06 - COMPUTING CALCULATING COUNTING
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
Efficient combined harmonic transposition
- Patent number 12,142,251
- Issue date Nov 12, 2024
- DOLBY INTERNATIONAL AB
- Per Ekstrand
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR INCREASING STABILITY OF AN INTER-CHANNEL T...
- Publication number 20250232781
- Publication date Jul 17, 2025
- Telefonaktiebolaget LM Ericsson (publ)
- Erik NORVELL
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Encoding Method, Decoding Method, Encoding Apparatus, and Decoding...
- Publication number 20250210053
- Publication date Jun 26, 2025
- Huawei Technologies Co., Ltd
- Bin Wang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
HIGH FREQUENCY RECONSTRUCTION USING NEURAL NETWORK SYSTEM
- Publication number 20250191598
- Publication date Jun 12, 2025
- DOLBY INTERNATIONAL AB
- Per Ekstrand
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DIGITAL FILTERBANK FOR SPECTRAL ENVELOPE ADJUSTMENT
- Publication number 20250174241
- Publication date May 29, 2025
- DOLBY INTERNATIONAL AB
- Per Ekstrand
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR NEURAL SPATIAL SPEECH CODING FOR MULTI-CHA...
- Publication number 20250166639
- Publication date May 22, 2025
- Tencent America LLC
- Yong Xu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUDIO DECODING DEVICE, AUDIO ENCODING DEVICE, AUDIO DECODING METHOD...
- Publication number 20250140274
- Publication date May 1, 2025
- NTT DoCoMo, Inc.
- Kei KIKUIRI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
AUDIO ENCODER AND DECODER USING A FREQUENCY DOMAIN PROCESSOR, A TIM...
- Publication number 20250124935
- Publication date Apr 17, 2025
- Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
- Sascha Disch
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
BACKWARD-COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TE...
- Publication number 20250118312
- Publication date Apr 10, 2025
- DOLBY INTERNATIONAL AB
- Kristofer KJOERLING
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
BACKWARD-COMPATIBLE INTEGRATION OF HIGH FREQUENCY RECONSTRUCTION TE...
- Publication number 20250118311
- Publication date Apr 10, 2025
- DOLBY INTERNATIONAL AB
- Kristofer KJOERLING
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
BACKWARD-COMPATIBLE INTEGRATION OF HARMONIC TRANSPOSER FOR HIGH FRE...
- Publication number 20250118315
- Publication date Apr 10, 2025
- DOLBY INTERNATIONAL AB
- Lars VILLEMOES
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
APPARATUS AND METHOD FOR PROCESSING AN AUDIO SIGNAL USING A HARMONI...
- Publication number 20250118316
- Publication date Apr 10, 2025
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- Emmanuel RAVELLI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
HEARING DEVICE COMPRISING AN ADAPTIVE FILTER BANK
- Publication number 20250111860
- Publication date Apr 3, 2025
- OTICON A/S
- Michael Syskind PEDERSEN
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
BACKWARD-COMPATIBLE INTEGRATION OF HARMONIC TRANSPOSER FOR HIGH FRE...
- Publication number 20250087226
- Publication date Mar 13, 2025
- DOLBY INTERNATIONAL AB
- Lars VILLEMOES
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
METHOD AND APPARATUS FOR PROCESSING AN AUDIO SIGNAL, AUDIO DECODER,...
- Publication number 20250078850
- Publication date Mar 6, 2025
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- Emmanuel RAVELLI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SYSTEM AND METHOD FOR NON-DESTRUCTIVELY NORMALIZING LOUDNESS OF AUD...
- Publication number 20250078849
- Publication date Mar 6, 2025
- Dolby Laboratories Licensing Corporation
- Jeffrey Riedmiller
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DIGITAL ENCAPSULATION OF AUDIO SIGNALS
- Publication number 20250061907
- Publication date Feb 20, 2025
- MQA Limited
- Peter Graham Craven
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
STEREO AUDIO ENCODER AND DECODER
- Publication number 20250054506
- Publication date Feb 13, 2025
- DOLBY INTERNATIONAL AB
- Heiko PURNHAGEN
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Method, Apparatus, and System for Processing Audio Data
- Publication number 20250054504
- Publication date Feb 13, 2025
- Huawei Technologies Co., Ltd
- Zhe Wang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
CROSS PRODUCT ENHANCED HARMONIC TRANSPOSITION
- Publication number 20250054507
- Publication date Feb 13, 2025
- DOLBY INTERNATIONAL AB
- Lars Villemoes
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODEC
- Publication number 20250046324
- Publication date Feb 6, 2025
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- Markus Lohwasser
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DECODING APPARATUS AND METHOD, AND PROGRAM
- Publication number 20250046320
- Publication date Feb 6, 2025
- SONY GROUP CORPORATION
- Yuki Yamamoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
EFFICIENT COMBINED HARMONIC TRANSPOSITION
- Publication number 20250037688
- Publication date Jan 30, 2025
- DOLBY INTERNATIONAL AB
- Per Ekstrand
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Apparatus and Method for encoding or Decoding Directional Audio Cod...
- Publication number 20240428806
- Publication date Dec 26, 2024
- Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
- Guillaume FUCHS
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Method and System for Data-Hiding Within Audio Transmissions
- Publication number 20240428808
- Publication date Dec 26, 2024
- Massachusetts Institute of Technology
- Ishwarya Ananthabhotla
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
METHOD AND APPARATUS FOR SPECTROTEMPORALLY IMPROVED SPECTRAL GAP FI...
- Publication number 20240420710
- Publication date Dec 19, 2024
- Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
- Christian HELMRICH
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
EFFICIENT DRC PROFILE TRANSMISSION
- Publication number 20240395270
- Publication date Nov 28, 2024
- DOLBY INTERNATIONAL AB
- Holger HOERICH
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
APPARATUS AND METHOD TO TRANSFORM AN AUDIO STREAM
- Publication number 20240395263
- Publication date Nov 28, 2024
- Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
- Dominik WECKBECKER
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Machine-Learned Differentiable Digital Signal Processing
- Publication number 20240395277
- Publication date Nov 28, 2024
- Google LLC
- Jesse Engel
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR MULTI-BAND AUDIO CODING
- Publication number 20240371384
- Publication date Nov 7, 2024
- QUALCOMM Incorporated
- Zisis Iason SKORDILIS
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SYSTEM AND METHOD FOR VOICE MORPHING IN A DATA ANNOTATOR TOOL
- Publication number 20240370667
- Publication date Nov 7, 2024
- SoundHound AI IP, LLC
- Dylan H. Ross
- G06 - COMPUTING CALCULATING COUNTING

Pre-filtering or post-filtering

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Machine learning-based audio manipulation using virtual backgrounds...

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

Method and apparatus for transmitting/receiving voice signal on bas...

Colorless generation of elevation perceptual cues using all-pass fi...

Backward-compatible integration of harmonic transposer for high fre...

Server and method for controlling server

Phase reconstruction in a speech decoder

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

Data sequence generation

Model based prediction in a critically sampled filterbank

Cross product enhanced subband block based harmonic transposition

Audio decoding device, audio encoding device, audio decoding method...

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

Hearing device comprising an adaptive filter bank

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

Differentiable wavetable synthesizer using plurality of machine lea...

Apparatus and method for encoding a spatial audio representation or...

Apparatus and method for processing an audio signal using a harmoni...

Decoding apparatus and method, and program

Digital encapsulation of audio signals

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

Parametric reconstruction of audio signals

Apparatus and methods for processing an audio signal

Audio coder window and transform implementations

Backward-compatible integration of harmonic transposer for high fre...

Cross product enhanced harmonic transposition

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

Digital filterbank for spectral envelope adjustment

Resampling output signals of QMF based audio codecs

Efficient combined harmonic transposition

Patents Applicationslast 30 patents

METHOD AND APPARATUS FOR INCREASING STABILITY OF AN INTER-CHANNEL T...

Encoding Method, Decoding Method, Encoding Apparatus, and Decoding...

HIGH FREQUENCY RECONSTRUCTION USING NEURAL NETWORK SYSTEM

DIGITAL FILTERBANK FOR SPECTRAL ENVELOPE ADJUSTMENT

METHOD AND APPARATUS FOR NEURAL SPATIAL SPEECH CODING FOR MULTI-CHA...

AUDIO DECODING DEVICE, AUDIO ENCODING DEVICE, AUDIO DECODING METHOD...

AUDIO ENCODER AND DECODER USING A FREQUENCY DOMAIN PROCESSOR, A TIM...

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

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

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

APPARATUS AND METHOD FOR PROCESSING AN AUDIO SIGNAL USING A HARMONI...

HEARING DEVICE COMPRISING AN ADAPTIVE FILTER BANK

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

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

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

DIGITAL ENCAPSULATION OF AUDIO SIGNALS

STEREO AUDIO ENCODER AND DECODER

Method, Apparatus, and System for Processing Audio Data

CROSS PRODUCT ENHANCED HARMONIC TRANSPOSITION

RESAMPLING OUTPUT SIGNALS OF QMF BASED AUDIO CODEC

DECODING APPARATUS AND METHOD, AND PROGRAM

EFFICIENT COMBINED HARMONIC TRANSPOSITION

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

Method and System for Data-Hiding Within Audio Transmissions

METHOD AND APPARATUS FOR SPECTROTEMPORALLY IMPROVED SPECTRAL GAP FI...

EFFICIENT DRC PROFILE TRANSMISSION

APPARATUS AND METHOD TO TRANSFORM AN AUDIO STREAM

Machine-Learned Differentiable Digital Signal Processing

SYSTEMS AND METHODS FOR MULTI-BAND AUDIO CODING

SYSTEM AND METHOD FOR VOICE MORPHING IN A DATA ANNOTATOR TOOL