add PatrickvL comments
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@ -33,8 +33,8 @@ static inline int32_t converter_freq2pitch(uint32_t freq) {
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// Edit hertz variable to see the result.
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// Edit hertz variable to see the result.
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float hertz = 12000.0f;
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float hertz = 12000.0f;
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float hertzRatio = 48000.0f;
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float hertzRatio = 48000.0f; // base frequency
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float pitchRatio = 4096.0f;
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float pitchRatio = 4096.0f; // pitch per octave
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// Convert hertz to pitch
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// Convert hertz to pitch
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float pitch = log2(hertz / hertzRatio) * pitchRatio;
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float pitch = log2(hertz / hertzRatio) * pitchRatio;
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