- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech or audio coding or decoding
- G10L 19/20 - Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
Patent holdings for IPC class G10L 19/20
Total number of patents in this class: 601
10-year publication summary
|
72
|
41
|
49
|
40
|
28
|
20
|
31
|
25
|
32
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5285 |
102 |
| Dolby Laboratories Licensing Corporation | 4369 |
87 |
| Dolby International AB | 1012 |
62 |
| Qualcomm Incorporated | 93172 |
41 |
| Samsung Electronics Co., Ltd. | 158842 |
30 |
| Electronics and Telecommunications Research Institute | 9711 |
28 |
| Dolby International AB | 919 |
27 |
| Huawei Technologies Co., Ltd. | 124630 |
23 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6102 |
16 |
| Ericsson | 22995 |
15 |
| Kwangwoon University Industry-academic Collaboration Foundation | 496 |
15 |
| Nippon Telegraph and Telephone Corporation | 15933 |
11 |
| Nokia Technologies Oy | 21624 |
11 |
| Sony Corporation | 30080 |
9 |
| LG Electronics Inc. | 75973 |
8 |
| Crystal Clear Codec, LLC | 26 |
8 |
| Telefonaktiebolaget LM Ericsson (publ) | 28880 |
7 |
| Orange S.A. | 1681 |
6 |
| Gcoa Co., Ltd. | 27 |
6 |
| Top Quality Telephony, LLC | 42 |
6 |
| Other owners | 83 |