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Spatial Audio Encoding & Compression

Techniques for efficiently representing, compressing, and decompressing spatial audio information, such as inter-channel phase/time differences, directional components, or higher-order ambisonics, for storage or transmission.

5,474 US filings from 674 companies since 2023 · 2023: 1,297 · 2024: 1,756 · 2025: 1,717 · 2026 YTD: 704

Stereophonic Audio

Top companies

Ranked by filings in this theme since 2023. 2026 is partial.

#CompanySince 20232023202420252026 YTDYoY
1Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V.42511016511436-30.9%
2Dolby International AB39810013813228-4.3%
3DOLBY LABORATORIES LICENSING CORPORATION3186111111333+1.8%
4Nokia Technologies Oy307761029930-2.9%
5Huawei Technologies Co., Ltd.21350775432-29.9%
6Apple Inc.21367666218-6.1%
7SONY GROUP CORPORATION17538675119-23.9%
8QUALCOMM Incorporated15730565219-7.1%
9B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.14324315830+87.1%
10TENCENT AMERICA LLC13035373622-2.7%
11Telefonaktiebolaget LM Ericsson (publ)11721383919+2.6%
12ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE10826362719-25.0%
13GOOGLE LLC10025332814-15.2%
14Panasonic Intellectual Property Corporation of America8215223114+40.9%
15SAMSUNG ELECTRONICS CO., LTD.802225249-4.0%
16Nippon Telegraph and Telephone Corporation752926182-30.8%
17HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED67821317+47.6%
18Magic Leap, Inc.63242415·-37.5%
19Microsoft Technology Licensing, LLC6311182311+27.8%
20Sony Interactive Entertainment Inc.5913191611-15.8%
21Sonos, Inc.54925155-40.0%
22Meta Platforms Technologies, LLC50192155-76.2%
23ATOMBEAM TECHNOLOGIES INC.42·72510+257.1%
24BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.41552110+320.0%
25TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED40714136-7.1%