G10H 2250/055 Filters for musical processing or musical effects; Filter responses, filter architecture, filter coefficients or control parameters therefor
Full Title
Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing > Filters for musical processing or musical effects; Filter responses, filter architecture, filter coefficients or control parameters therefor
Filing statistics
CPC G10H 2250/055 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
11 direct subcodes
Child Classifications
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- G10H 2250/061 Allpass filters
- G10H 2250/071 All pole filter, i.e. autoregressive [AR] filter
- G10H 2250/075 All zero filter, i.e. moving average [MA] filter or finite impulse response [FIR] filter
- G10H 2250/081 Autoregressive moving average [ARMA] filter
- G10H 2250/085 Butterworth filters
- G10H 2250/091 Chebyshev filters
- G10H 2250/095 Filter coefficient interpolation
- G10H 2250/101 Filter coefficient update; Adaptive filters, i.e. with filter coefficient calculation in real time
- G10H 2250/105 Comb filters
- G10H 2250/111 Impulse response, i.e. filters defined or specified by their temporal impulse response features, e.g. for echo or reverberation applications
- G10H 2250/125 Notch filters
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