- 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: 1514
10-year publication summary
|
91
|
74
|
121
|
144
|
138
|
187
|
224
|
185
|
171
|
100
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4135 |
65 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4969 |
62 |
| Samsung Electronics Co., Ltd. | 146811 |
54 |
| Huawei Technologies Co., Ltd. | 113064 |
40 |
| Google LLC | 42333 |
38 |
| Tencent Technology (Shenzhen) Company Limited | 14810 |
33 |
| Dolby International AB | 1030 |
27 |
| Qualcomm Incorporated | 85833 |
26 |
| NEC Corporation | 35778 |
25 |
| Nokia Technologies Oy | 18116 |
22 |
| Dolby International AB | 646 |
21 |
| Amazon Technologies, Inc. | 26762 |
19 |
| Nippon Telegraph and Telephone Corporation | 17362 |
19 |
| Gracenote, Inc. | 469 |
19 |
| Ping An Technology (Shenzhen) Co., LTD. | 5846 |
19 |
| META Platforms, Inc. | 7097 |
19 |
| Ericsson | 21804 |
18 |
| Cirrus Logic, Inc. | 1775 |
17 |
| Sony Corporation | 31025 |
12 |
| Microsoft Technology Licensing, LLC | 53786 |
12 |
| Other owners | 947 |