User talk:FloraC/Proposed standard ear-training waveform: Difference between revisions
Dummy index (talk | contribs) Created page with "== Version Stable 0 == Hello. You can get the semisine (repeated parabola) by integrating a sawtooth function. Note the difference between the amplitude spectrum and the power..." |
Dummy index (talk | contribs) →Version Stable 0: mistake |
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== Version Stable 0 == | == Version Stable 0 == | ||
Hello. You can get the semisine (repeated parabola) by integrating a sawtooth function. Note the difference between the amplitude spectrum and the power spectrum. | Hello. You can get the semisine (repeated parabola) by integrating a sawtooth function. <del>Note the difference between the amplitude spectrum and the power spectrum.</del> (-6 dB/oct is known as stop-band of 1st order LPF, but here we need a pure integral...) | ||
sawtooth: 1, 1/2, 1/3, ... in amplitude but 1, 1/4, 1/9, ... in power, and described as - | sawtooth: 1, 1/2, 1/3, ... in amplitude but 1, 1/4, 1/9, ... in power, and described as -6 dB/oct. | ||
semisine: 1, 1/4, 1/9, ... in amplitude but 1, 1/16, 1/81, ... in power, and described as - | semisine: 1, 1/4, 1/9, ... in amplitude but 1, 1/16, 1/81, ... in power, and described as -12 dB/oct. | ||
Your additive synthesis is interesting. I too sometimes experiment with separating sawtooth waves into odd and even harmonics and shifting the frequencies of each. | Your additive synthesis is interesting. I too sometimes experiment with separating sawtooth waves into odd and even harmonics and shifting the frequencies of each. | ||
440Hz sawtooth = 440Hz square + 880Hz sawtooth = 440Hz square + 880Hz square + 1760Hz sawtooth = ... | 440Hz sawtooth = 440Hz square + 880Hz sawtooth = 440Hz square + 880Hz square + 1760Hz sawtooth = ... | ||
--[[User:Dummy index|Dummy index]] ([[User talk:Dummy index|talk]]) 14:49, 12 April 2022 (UTC) | --[[User:Dummy index|Dummy index]] ([[User talk:Dummy index|talk]]) 14:49, 12 April 2022 (UTC) <small>--[[User:Dummy index|Dummy index]] ([[User talk:Dummy index|talk]]) 16:02, 12 April 2022 (UTC)</small> | ||