Voice & Audio Quality Enhancement

Techniques for improving the perceived quality, synchronization, and moderation of audio and voice streams, often involving codec management, transcoding, and content analysis.

5,070 US filings from 900 companies since 2023 · 2023: 1,607 · 2024: 1,551 · 2025: 1,405 · 2026 YTD: 507

Streaming & Real-Time Media

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.	314	100	123	74	17	-39.8%
2	GOOGLE LLC	245	76	91	56	22	-38.5%
3	Dolby International AB	231	82	62	73	14	+17.7%
4	Huawei Technologies Co., Ltd.	178	56	56	51	15	-8.9%
5	Microsoft Technology Licensing, LLC	141	39	53	34	15	-35.8%
6	DOLBY LABORATORIES LICENSING CORPORATION	128	30	44	45	9	+2.3%
7	Nippon Telegraph and Telephone Corporation	107	51	31	24	1	-22.6%
8	Telefonaktiebolaget LM Ericsson (publ)	104	31	35	28	10	-20.0%
9	Amazon Technologies, Inc.	98	23	30	35	10	+16.7%
10	International Business Machines Corporation	96	37	37	18	4	-51.4%
11	SAMSUNG ELECTRONICS CO., LTD.	86	28	22	21	15	-4.5%
12	Rovi Guides, Inc.	78	45	33	·	·	—
13	Zoom Video Communications, Inc.	70	21	33	14	2	-57.6%
14	TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED	69	15	27	17	10	-37.0%
15	Sonos, Inc.	68	25	16	23	4	+43.8%
16	Cisco Technology, Inc.	66	14	20	25	7	+25.0%
17	Comcast Cable Communications, LLC	56	13	22	15	6	-31.8%
18	ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE	56	18	20	15	3	-25.0%
19	SONY GROUP CORPORATION	54	22	18	10	4	-44.4%
20	Apple Inc.	53	18	13	19	3	+46.2%
21	QUALCOMM Incorporated	47	12	20	10	5	-50.0%
22	Adeia Guides Inc.	43	·	2	32	9	+1500.0%
23	Beijing Zitiao Network Technology Co., Ltd.	36	·	7	18	11	+157.1%
24	Zoom Communications, Inc.	36	·	·	23	13	—
25	Bose Corporation	35	11	9	12	3	+33.3%