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23 lines
622 B
C++
23 lines
622 B
C++
Sample *process_data(Samples samples)
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{
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constexpr float alpha = 0.75;
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constexpr unsigned int D = 100;
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static Sample output[samples.size()];
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static Sample prev[D]; // prev[0] = output[0 - D]
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// Do calculations with previous output
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for (unsigned int i = 0; i < D; i++)
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output[i] = samples[i] + alpha * (prev[i] - 2048);
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// Do calculations with current samples
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for (unsigned int i = D; i < samples.size(); i++)
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output[i] = samples[i] + alpha * (output[i - D] - 2048);
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// Save outputs for next computation
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for (unsigned int i = 0; i < D; i++)
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prev[i] = output[samples.size() - (D - i)];
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return output;
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}
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