- All sections
- G - Physics
- G10L - Speech analysis techniques or speech synthesisspeech recognitionspeech or voice processing techniquesspeech or audio coding or decoding
- G10L 25/81 - Detection of presence or absence of voice signals for discriminating voice from music
Patent holdings for IPC class G10L 25/81
Total number of patents in this class: 168
10-year publication summary
|
26
|
17
|
19
|
20
|
20
|
17
|
19
|
11
|
7
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4253 |
16 |
| Samsung Electronics Co., Ltd. | 152304 |
7 |
| Qualcomm Incorporated | 89294 |
7 |
| Roku, Inc. | 1524 |
7 |
| Huawei Technologies Co., Ltd. | 118879 |
6 |
| Amazon Technologies, Inc. | 27555 |
6 |
| The Nielsen Company (US), LLC | 2669 |
6 |
| Spotify AB | 996 |
6 |
| Ericsson | 22203 |
4 |
| ZTE Corporation | 43451 |
4 |
| Telefonaktiebolaget LM Ericsson (publ) | 28564 |
4 |
| Apple Inc. | 57432 |
3 |
| Sony Corporation | 30536 |
3 |
| Panasonic Intellectual Property Corporation of America | 7050 |
3 |
| Harman International Industries, Incorporated | 2761 |
3 |
| Lemon Inc. | 2012 |
3 |
| Zoom Communications, Inc. | 1039 |
3 |
| International Business Machines Corporation | 62049 |
2 |
| NEC Corporation | 36475 |
2 |
| Panasonic Corporation | 19853 |
2 |
| Other owners | 71 |