Computer-implemented method and device for generating frequency component vector of time-series data
US-12340303-B2 · Jun 24, 2025 · US
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by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform
by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G10H7/08 |
| Official title | by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform |
| Display label | by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Audio detection method and apparatus, computer device, and readable storage medium
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D/A conversion device, method, storage medium, electronic musical instrument, and information processing apparatus
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Sound signal generation method, generative model training method, sound signal generation system, and recording medium
US-11756558-B2 · Sep 12, 2023 · US
Audio detection method and apparatus, computer device, and readable storage medium
US-2023050565-A1 · Feb 16, 2023 · US
Voice synthesis method, voice synthesis device, and storage medium
US-11410637-B2 · Aug 9, 2022 · US
D/a conversion device, method, storage medium, electronic musical instrument, and information processing apparatus
US-2022224351-A1 · Jul 14, 2022 · US
D/A conversion device, method, storage medium, electronic musical instrument, and information processing apparatus
US-11316529-B2 · Apr 26, 2022 · US
Generative model establishment method, generative model establishment system, recording medium, and training data preparation method
US-2022084492-A1 · Mar 17, 2022 · US
Sound signal generation method, generative model training method, sound signal generation system, and recording medium
US-2021383816-A1 · Dec 9, 2021 · US
Sound signal synthesis method, generative model training method, sound signal synthesis system, and recording medium
US-2021366455-A1 · Nov 25, 2021 · US
Audio waveform display using mapping function
US-11183163-B2 · Nov 23, 2021 · US
Sound source for electronic percussion instrument and sound production control method thereof
US-11127387-B2 · Sep 21, 2021 · US
Sound source for electronic percussion instrument and sound production control method thereof
US-2021201880-A1 · Jul 1, 2021 · US
Computer-implemented method and device for generating frequency component vector of time-series data
US-2021166128-A1 · Jun 3, 2021 · US
Audio waveform display using mapping function
US-2020152163-A1 · May 14, 2020 · US
Audio waveform display using mapping function
US-10565973-B2 · Feb 18, 2020 · US
Audio waveform display using mapping function
US-2019378487-A1 · Dec 12, 2019 · US
D/a conversion device, method, storage medium, electronic musical instrument, and information processing apparatus
US-2019372588-A1 · Dec 5, 2019 · US
Voice synthesis method, voice synthesis device, and storage medium
US-2019251950-A1 · Aug 15, 2019 · US