- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech or audio coding or decoding
- G10L 19/02 - 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 spectral analysis, e.g. transform vocoders or subband vocoders
Patent holdings for IPC class G10L 19/02
Total number of patents in this class: 3090
10-year publication summary
|
259
|
185
|
233
|
209
|
164
|
184
|
152
|
193
|
155
|
92
|
| 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. | 5294 |
539 |
| Dolby International AB | 1012 |
205 |
| Huawei Technologies Co., Ltd. | 124837 |
172 |
| Dolby International AB | 922 |
159 |
| Dolby Laboratories Licensing Corporation | 4379 |
125 |
| Samsung Electronics Co., Ltd. | 159029 |
120 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6102 |
120 |
| Qualcomm Incorporated | 93376 |
119 |
| Ericsson | 23055 |
103 |
| Nokia Technologies Oy | 21721 |
63 |
| Panasonic Corporation | 18716 |
60 |
| Sony Corporation | 30052 |
59 |
| Nippon Telegraph and Telephone Corporation | 15913 |
48 |
| Electronics and Telecommunications Research Institute | 9727 |
46 |
| Panasonic Intellectual Property Corporation of America | 7266 |
39 |
| Nokia Corporation | 4673 |
35 |
| Microsoft Technology Licensing, LLC | 54586 |
34 |
| Tencent Technology (Shenzhen) Company Limited | 16195 |
30 |
| LG Electronics Inc. | 76087 |
24 |
| NTT DoCoMo, Inc. | 15003 |
22 |
| Other owners | 968 |