G10H 2250/261 Window, i.e. apodization function or tapering function amounting to the selection and appropriate weighting of a group of samples in a digital signal within some chosen time interval, outside of which it is zero valued
Full Title
Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing > Mathematical functions for musical analysis, processing, synthesis or composition > Window, i.e. apodization function or tapering function amounting to the selection and appropriate weighting of a group of samples in a digital signal within some chosen time interval, outside of which it is zero valued
Filing statistics
CPC G10H 2250/261 belongs to the parent subclass G10H, which recorded 17,124 patent applications worldwide between 2013 and 2023. Annual filings grew from 1,186 in 2013 to 1,533 in 2023 (+29%), peaking at 1,888 applications in 2020. The most active applicants in class G10 are SAMSUNG ELECTRONICS COMPANY (6,277 applications), GOOGLE (5,429 applications) and FRAUNHOFER (4,984 applications).
Source: EPO PATSTAT, worldwide filings
6 direct subcodes
Child Classifications
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- G10H 2250/265 Blackman Harris window
- G10H 2250/271 Chebyshev window
- G10H 2250/275 Gaussian window
- G10H 2250/281 Hamming window
- G10H 2250/285 Hann or Hanning window
- G10H 2250/291 Kaiser windows; Kaiser-Bessel Derived [KBD] windows, e.g. for MDCT
Top Applicants
Top 10 applicants by patent filingsfor 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