- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech or audio coding or decoding
- G10L 25/18 - Speech or voice analysis techniques not restricted to a single one of groups characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
Patent holdings for IPC class G10L 25/18
Total number of patents in this class: 1288
10-year publication summary
|
48
|
93
|
75
|
121
|
146
|
137
|
188
|
220
|
182
|
45
|
| 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 |
59 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
50 |
| Samsung Electronics Co., Ltd. | 131630 |
40 |
| Huawei Technologies Co., Ltd. | 100781 |
36 |
| Google LLC | 38759 |
29 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
29 |
| Dolby International AB | 1076 |
27 |
| NEC Corporation | 32703 |
24 |
| Qualcomm Incorporated | 76576 |
22 |
| Nokia Technologies Oy | 15057 |
21 |
| META Platforms, Inc. | 7514 |
20 |
| Ping An Technology (Shenzhen) Co., LTD. | 5847 |
17 |
| Cirrus Logic, Inc. | 1719 |
16 |
| Dolby International AB | 422 |
15 |
| Ericsson | 20417 |
14 |
| Nippon Telegraph and Telephone Corporation | 14195 |
14 |
| Gracenote, Inc. | 408 |
14 |
| Sony Corporation | 32931 |
12 |
| Amazon Technologies, Inc. | 24422 |
12 |
| Microsoft Technology Licensing, LLC | 51439 |
12 |
| Other owners | 805 |