- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech or audio coding or decoding
- G10L 21/0316 - Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
Patent holdings for IPC class G10L 21/0316
Total number of patents in this class: 256
10-year publication summary
|
26
|
23
|
24
|
29
|
29
|
36
|
26
|
23
|
15
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4052 |
16 |
| Samsung Electronics Co., Ltd. | 138729 |
9 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4799 |
9 |
| Apple Inc. | 52680 |
8 |
| Huawei Technologies Co., Ltd. | 106664 |
8 |
| Qualcomm Incorporated | 81758 |
6 |
| Toyota Motor Corporation | 30398 |
6 |
| Dolby International AB | 1050 |
6 |
| Google LLC | 40800 |
6 |
| Harman International Industries, Incorporated | 2538 |
5 |
| Biamp Systems, LLC | 230 |
5 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6134 |
5 |
| Electronics and Telecommunications Research Institute | 9012 |
4 |
| Bose Corporation | 2921 |
4 |
| Tencent Technology (Shenzhen) Company Limited | 14027 |
4 |
| 3m Innovative Properties Company | 17951 |
3 |
| NEC Corporation | 34371 |
3 |
| Google Inc. | 4298 |
3 |
| Mitsubishi Electric Corporation | 44794 |
3 |
| Cirrus Logic, Inc. | 1749 |
3 |
| Other owners | 140 |