Sample *process_data(Samples samples) { constexpr float alpha = 0.7; static Sample prev = 2048; samples[0] = (1 - alpha) * samples[0] + alpha * prev; for (unsigned int i = 1; i < samples.size(); i++) samples[i] = (1 - alpha) * samples[i] + alpha * samples[i - 1]; prev = samples[samples.size() - 1]; return samples.data(); }