- 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: 3048
10-year publication summary
221
|
248
|
177
|
216
|
202
|
156
|
175
|
148
|
179
|
99
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4975 |
511 |
Dolby International AB | 1029 |
203 |
Huawei Technologies Co., Ltd. | 113191 |
169 |
Dolby International AB | 649 |
134 |
Samsung Electronics Co., Ltd. | 147003 |
124 |
Qualcomm Incorporated | 85914 |
121 |
Dolby Laboratories Licensing Corporation | 4133 |
121 |
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6126 |
112 |
Ericsson | 21821 |
94 |
Nokia Technologies Oy | 18175 |
62 |
Panasonic Corporation | 20085 |
61 |
Sony Corporation | 31004 |
60 |
Nippon Telegraph and Telephone Corporation | 17367 |
50 |
LG Electronics Inc. | 73383 |
47 |
Electronics and Telecommunications Research Institute | 9408 |
47 |
Nokia Corporation | 5597 |
44 |
Panasonic Intellectual Property Corporation of America | 6825 |
38 |
Microsoft Technology Licensing, LLC | 53805 |
34 |
Tencent Technology (Shenzhen) Company Limited | 14832 |
26 |
Telefonaktiebolaget LM Ericsson (publ) | 28156 |
24 |
Other owners | 966 |