G10L 21/043 by changing speed
Introduced: January 2013
Full Title
Full titles differ between systems:
Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility > Time compression or expansion > by changing speed
Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility (G10L19/00 takes precedence) > Time compression or expansion > by changing speed
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 2013.
Child Classifications
Navigate with arrow keys, Enter to open
- G10L 21/045 using thinning out or insertion of a waveform since 2013 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class G10,2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 5,218
- GOOGLE US 4,644
- FRAUNHOFER DE 4,601
- SONY CORPORATION JP 2,380
- HUAWEI TECHNOLOGIES COMPANY CN 2,179
- YAMAHA CORPORATION 2,120
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 1,974
- MICROSOFT TECHNOLOGY LICENSING US 1,916
- AMAZON TECHNOLOGIES US 1,866
- DOLBY LABORATORIES LICENSING CORPORATION US 1,843
Top Applicants (CPC)
Class G10,2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 6,277
- GOOGLE US 5,429
- FRAUNHOFER DE 4,984
- SONY CORPORATION JP 2,808
- HUAWEI TECHNOLOGIES COMPANY CN 2,577
- MICROSOFT TECHNOLOGY LICENSING US 2,382
- DOLBY LABORATORIES LICENSING CORPORATION US 2,123
- QUALCOMM US 2,117
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,049
- AMAZON TECHNOLOGIES US 1,924