- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech or audio coding or decoding
- G10L 25/81 - Detection of presence or absence of voice signals for discriminating voice from music
Patent holdings for IPC class G10L 25/81
Total number of patents in this class: 155
10-year publication summary
|
11
|
13
|
26
|
17
|
19
|
20
|
20
|
17
|
17
|
4
|
| 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 |
15 |
| The Nielsen Company (US), LLC | 2549 |
8 |
| Qualcomm Incorporated | 76576 |
7 |
| Samsung Electronics Co., Ltd. | 131630 |
6 |
| Roku, Inc. | 1151 |
6 |
| Huawei Technologies Co., Ltd. | 100781 |
5 |
| Amazon Technologies, Inc. | 24422 |
5 |
| Ericsson | 20417 |
4 |
| ZTE Corporation | 39218 |
4 |
| Spotify AB | 880 |
4 |
| Sony Corporation | 32931 |
3 |
| Panasonic Intellectual Property Corporation of America | 7230 |
3 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
3 |
| Lemon Inc. | 936 |
3 |
| Apple Inc. | 50209 |
2 |
| International Business Machines Corporation | 60644 |
2 |
| Panasonic Corporation | 20786 |
2 |
| A9.com, Inc. | 535 |
2 |
| Continental Automotive GmbH | 5573 |
2 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
2 |
| Other owners | 67 |