- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech or audio coding or decoding
- G10L 25/12 - Speech or voice analysis techniques not restricted to a single one of groups characterised by the type of extracted parameters the extracted parameters being prediction coefficients
Patent holdings for IPC class G10L 25/12
Total number of patents in this class: 131
10-year publication summary
|
21
|
11
|
13
|
24
|
17
|
13
|
11
|
9
|
5
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Telegraph and Telephone Corporation | 14195 |
22 |
| Dolby International AB | 1076 |
13 |
| NTT DoCoMo, Inc. | 11501 |
9 |
| Tencent Technology (Shenzhen) Company Limited | 12951 |
8 |
| Microsoft Technology Licensing, LLC | 51439 |
7 |
| The University of Tokyo | 3903 |
6 |
| Qualcomm Incorporated | 76576 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| Inscape Data, Inc. | 102 |
4 |
| AT&T Intellectual Property I, L.P. | 9886 |
3 |
| Continental Automotive Systems, Inc. | 1163 |
3 |
| Google LLC | 38759 |
3 |
| Starkey Laboratories, Inc. | 1160 |
3 |
| International Business Machines Corporation | 60644 |
2 |
| Panasonic Corporation | 20786 |
2 |
| Alibaba Group Holding Limited | 7149 |
2 |
| Amazon Technologies, Inc. | 24422 |
2 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
2 |
| Cirrus Logic, Inc. | 1719 |
2 |
| Nokia Technologies Oy | 15057 |
2 |
| Other owners | 27 |