Direction of audio arrival from Ambisonics channels using azimuth and elevation segments
US-12490040-B2 · Dec 2, 2025 · US
with means for eliminating undesired waves, e.g. disturbing noises
with means for eliminating undesired waves, e.g. disturbing noises · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01S3/86 |
| Official title | with means for eliminating undesired waves, e.g. disturbing noises |
| Display label | with means for eliminating undesired waves, e.g. disturbing noises |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 3 |
| 2019 | 9 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Orientation measurement method and terminal device
US-2025314732-A1 · Oct 9, 2025 · US
Sound source positioning method and apparatus
US-12298425-B2 · May 13, 2025 · US
Wideband DOA improvements for fixed and dynamic beamformers
US-12231843-B2 · Feb 18, 2025 · US
High-resolution sound source map obtaining and analyzing method and system using artificial intelligence neural network
US-12222430-B2 · Feb 11, 2025 · US
Direction of audio arrival from ambisonics channels using azimuth and elevation segments
US-2024406652-A1 · Dec 5, 2024 · US
Method and apparatus for voice perception management in a multi-user environment
US-11978467-B2 · May 7, 2024 · US
Determining Spatial Audio Parameters
US-2024040317-A1 · Feb 1, 2024 · US
Electronic device for speech recognition and control method thereof
US-11887617-B2 · Jan 30, 2024 · US
Method and apparatus for voice perception management in a multi-user environment
US-2024029750-A1 · Jan 25, 2024 · US
Methods and apparatus to detect the location of sound sources external to computing devices
US-11860288-B2 · Jan 2, 2024 · US
Sound source positioning method and apparatus
US-2023333205-A1 · Oct 19, 2023 · US
Audio-based detection and tracking of emergency vehicles
US-11711648-B2 · Jul 25, 2023 · US
High-resolution sound source map obtaining and analyzing method and system using artificial intelligence neural network
US-2023160993-A1 · May 25, 2023 · US
Beam rejection in multi-beam microphone systems
US-11624800-B1 · Apr 11, 2023 · US
Wideband DOA Improvements for Fixed and Dynamic Beamformers
US-2023050677-A1 · Feb 16, 2023 · US
Sound collecting apparatus, arrival direction estimating apparatus, and vibration information collecting apparatus
US-2022326332-A1 · Oct 13, 2022 · US
Wave source direction estimation apparatus, wave source direction estimation system, wave source direction estimation method, and wave source direction estimation program
US-11454694-B2 · Sep 27, 2022 · US
Active towed array surface noise cancellation using a triplet cardioid
US-11450304-B2 · Sep 20, 2022 · US
Method for enhancing far-field speech recognition rate, system and readable storage medium
US-2022159373-A1 · May 19, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01S3/86?
- CPC G01S3/86 is the Cooperative Patent Classification code for “with means for eliminating undesired waves, e.g. disturbing noises.”
- How many patents are filed under CPC G01S3/86 (with means for eliminating undesired waves, e.g. disturbing noises)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC G01S3/86 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).