- 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: 161
10-year publication summary
|
11
|
26
|
17
|
19
|
20
|
20
|
17
|
18
|
11
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dolby Laboratories Licensing Corporation | 4152 |
15 |
| Samsung Electronics Co., Ltd. | 147622 |
7 |
| Qualcomm Incorporated | 86553 |
7 |
| Roku, Inc. | 1428 |
7 |
| Huawei Technologies Co., Ltd. | 113853 |
6 |
| Amazon Technologies, Inc. | 26938 |
6 |
| The Nielsen Company (US), LLC | 2657 |
6 |
| Spotify AB | 956 |
6 |
| Ericsson | 21902 |
4 |
| ZTE Corporation | 42721 |
4 |
| Telefonaktiebolaget LM Ericsson (publ) | 28236 |
4 |
| Sony Corporation | 30929 |
3 |
| Panasonic Intellectual Property Corporation of America | 6841 |
3 |
| Harman International Industries, Incorporated | 2663 |
3 |
| Lemon Inc. | 1777 |
3 |
| Zoom Communications, Inc. | 769 |
3 |
| Apple Inc. | 55446 |
2 |
| International Business Machines Corporation | 61471 |
2 |
| NEC Corporation | 36003 |
2 |
| Panasonic Corporation | 20042 |
2 |
| Other owners | 66 |