- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech or audio coding or decoding
- G10L 21/0364 - Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
Patent holdings for IPC class G10L 21/0364
Total number of patents in this class: 502
10-year publication summary
|
42
|
35
|
48
|
43
|
51
|
52
|
71
|
52
|
50
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 3883 |
43 |
| Samsung Electronics Co., Ltd. | 131630 |
22 |
| Google LLC | 38759 |
18 |
| Bose Corporation | 2880 |
17 |
| Dolby International AB | 1076 |
16 |
| Nippon Telegraph and Telephone Corporation | 14195 |
14 |
| Nokia Technologies Oy | 15057 |
14 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
11 |
| Amazon Technologies, Inc. | 24422 |
9 |
| International Business Machines Corporation | 60644 |
8 |
| Microsoft Technology Licensing, LLC | 51439 |
8 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
7 |
| Dolby International AB | 422 |
7 |
| Cisco Technology, Inc. | 18858 |
6 |
| Starkey Laboratories, Inc. | 1160 |
6 |
| Qualcomm Incorporated | 76576 |
5 |
| Yamaha Corporation | 4054 |
5 |
| eBay Inc. | 3298 |
5 |
| Cirrus Logic, Inc. | 1719 |
5 |
| 3m Innovative Properties Company | 18406 |
4 |
| Other owners | 272 |