- All sections
- G - Physics
- G10L - Speech analysis or synthesis; speech recognition; speech or voice processing; speech or audio coding or decoding
- G10L 19/04 - Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
Patent holdings for IPC class G10L 19/04
Total number of patents in this class: 518
10-year publication summary
|
38
|
29
|
38
|
24
|
34
|
27
|
18
|
30
|
23
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
76 |
| Huawei Technologies Co., Ltd. | 100781 |
45 |
| Qualcomm Incorporated | 76576 |
41 |
| Samsung Electronics Co., Ltd. | 131630 |
33 |
| LG Electronics Inc. | 69257 |
30 |
| Dolby Laboratories Licensing Corporation | 3883 |
18 |
| Electronics and Telecommunications Research Institute | 8830 |
14 |
| Nokia Technologies Oy | 15057 |
13 |
| Dolby International AB | 1076 |
10 |
| Industry-Academic Cooperation Foundation, Yonsei University | 2329 |
10 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
10 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
10 |
| Ericsson | 20417 |
9 |
| Microsoft Technology Licensing, LLC | 51439 |
8 |
| Nippon Telegraph and Telephone Corporation | 14195 |
8 |
| Google LLC | 38759 |
8 |
| Kwangwoon University Industry-academic Collaboration Foundation | 323 |
8 |
| Dolby International AB | 422 |
7 |
| Orange | 1759 |
5 |
| Top Quality Telephony, LLC | 40 |
5 |
| Other owners | 150 |