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.

5,582 US filings from 683 companies since 2023 · 2023: 1,405 · 2024: 1,756 · 2025: 1,717 · 2026 YTD: 704

Stereophonic Audio

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V.	434	119	165	114	36	-30.9%
2	Dolby International AB	403	105	138	132	28	-4.3%
3	DOLBY LABORATORIES LICENSING CORPORATION	324	67	111	113	33	+1.8%
4	Nokia Technologies Oy	311	80	102	99	30	-2.9%
5	Huawei Technologies Co., Ltd.	219	56	77	54	32	-29.9%
6	Apple Inc.	216	70	66	62	18	-6.1%
7	SONY GROUP CORPORATION	181	44	67	51	19	-23.9%
8	QUALCOMM Incorporated	157	30	56	52	19	-7.1%
9	B1 INSTITUTE OF IMAGE TECHNOLOGY, INC.	145	26	31	58	30	+87.1%
10	TENCENT AMERICA LLC	133	38	37	36	22	-2.7%
11	Telefonaktiebolaget LM Ericsson (publ)	119	23	38	39	19	+2.6%
12	ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE	113	31	36	27	19	-25.0%
13	GOOGLE LLC	106	31	33	28	14	-15.2%
14	Panasonic Intellectual Property Corporation of America	83	16	22	31	14	+40.9%
15	SAMSUNG ELECTRONICS CO., LTD.	81	23	25	24	9	-4.0%
16	Nippon Telegraph and Telephone Corporation	78	32	26	18	2	-30.8%
17	HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED	67	8	21	31	7	+47.6%
18	Magic Leap, Inc.	66	27	24	15	·	-37.5%
19	Microsoft Technology Licensing, LLC	65	13	18	23	11	+27.8%
20	Sony Interactive Entertainment Inc.	60	14	19	16	11	-15.8%
21	Sonos, Inc.	56	11	25	15	5	-40.0%
22	Meta Platforms Technologies, LLC	51	20	21	5	5	-76.2%
23	ATOMBEAM TECHNOLOGIES INC.	42	·	7	25	10	+257.1%
24	BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.	41	5	5	21	10	+320.0%
25	Bose Corporation	41	11	10	11	9	+10.0%