- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech or audio coding or decoding
- G10L 19/04 - Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocodersCoding 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: 542
10-year publication summary
|
40
|
24
|
37
|
27
|
19
|
30
|
25
|
22
|
29
|
18
|
| 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. | 5269 |
83 |
| Huawei Technologies Co., Ltd. | 124115 |
45 |
| Qualcomm Incorporated | 92859 |
38 |
| Samsung Electronics Co., Ltd. | 158442 |
31 |
| Dolby Laboratories Licensing Corporation | 4351 |
21 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6111 |
20 |
| Electronics and Telecommunications Research Institute | 9684 |
17 |
| LG Electronics Inc. | 75855 |
16 |
| Dolby International AB | 1012 |
16 |
| Ericsson | 22880 |
15 |
| Nokia Technologies Oy | 21475 |
13 |
| Dolby International AB | 915 |
12 |
| Telefonaktiebolaget LM Ericsson (publ) | 28872 |
11 |
| Industry-Academic Cooperation Foundation, Yonsei University | 2442 |
10 |
| Microsoft Technology Licensing, LLC | 54510 |
9 |
| Kwangwoon University Industry-academic Collaboration Foundation | 495 |
9 |
| Google LLC | 44614 |
8 |
| Nippon Telegraph and Telephone Corporation | 15939 |
7 |
| Cirrus Logic, Inc. | 1803 |
5 |
| Tencent Technology (Shenzhen) Company Limited | 16062 |
5 |
| Other owners | 151 |