- 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: 248
10-year publication summary
|
24
|
26
|
23
|
24
|
29
|
29
|
36
|
26
|
22
|
6
|
| 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 |
16 |
| Samsung Electronics Co., Ltd. | 131630 |
9 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
9 |
| Apple Inc. | 50209 |
7 |
| Qualcomm Incorporated | 76576 |
7 |
| Huawei Technologies Co., Ltd. | 100781 |
7 |
| Toyota Motor Corporation | 28582 |
6 |
| Dolby International AB | 1076 |
6 |
| Google LLC | 38759 |
6 |
| Harman International Industries, Incorporated | 2443 |
5 |
| Biamp Systems, LLC | 213 |
5 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
5 |
| Electronics and Telecommunications Research Institute | 8830 |
4 |
| Mitsubishi Electric Corporation | 43934 |
4 |
| Bose Corporation | 2880 |
4 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
4 |
| 3m Innovative Properties Company | 18406 |
3 |
| NEC Corporation | 32703 |
3 |
| Google Inc. | 4362 |
3 |
| Cirrus Logic, Inc. | 1719 |
3 |
| Other owners | 132 |