- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech 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: 1649
10-year publication summary
|
75
|
121
|
146
|
139
|
189
|
229
|
189
|
173
|
155
|
69
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4292 |
67 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5201 |
62 |
| Samsung Electronics Co., Ltd. | 154987 |
58 |
| Google LLC | 44015 |
44 |
| Huawei Technologies Co., Ltd. | 120925 |
41 |
| Tencent Technology (Shenzhen) Company Limited | 15738 |
36 |
| Qualcomm Incorporated | 90781 |
31 |
| Dolby International AB | 1028 |
27 |
| NEC Corporation | 36747 |
25 |
| Nokia Technologies Oy | 20694 |
23 |
| Dolby International AB | 786 |
22 |
| Ericsson | 22347 |
21 |
| Gracenote, Inc. | 498 |
21 |
| META Platforms, Inc. | 6868 |
20 |
| Amazon Technologies, Inc. | 27829 |
19 |
| Ping An Technology (Shenzhen) Co., LTD. | 5846 |
19 |
| Cirrus Logic, Inc. | 1793 |
18 |
| Microsoft Technology Licensing, LLC | 54281 |
14 |
| Nippon Telegraph and Telephone Corporation | 15942 |
14 |
| Sony Corporation | 30339 |
12 |
| Other owners | 1055 |