diff --git a/CppDataProcess/F0Preprocess.cpp b/CppDataProcess/F0Preprocess.cpp
deleted file mode 100644
index d6bd6f3..0000000
--- a/CppDataProcess/F0Preprocess.cpp
+++ /dev/null
@@ -1,153 +0,0 @@
-#include "F0Preprocess.hpp"
-
-
-void F0PreProcess::compute_f0(const double* audio, int64_t len)
-{
-	DioOption Doption;
-	InitializeDioOption(&Doption);
-	Doption.f0_ceil = 800;
-	Doption.frame_period = 1000.0 * hop / fs;
-	f0Len = GetSamplesForDIO(fs, (int)len, Doption.frame_period);
-	const auto tp = new double[f0Len];
-	const auto tmpf0 = new double[f0Len];
-	rf0 = new double[f0Len];
-	Dio(audio, (int)len, fs, &Doption, tp, tmpf0);
-	StoneMask(audio, (int)len, fs, tp, tmpf0, (int)f0Len, rf0);
-	delete[] tmpf0;
-	delete[] tp;
-}
-
-std::vector<double> arange(double start,double end,double step = 1.0,double div = 1.0)
-{
-	std::vector<double> output;
-	while(start<end)
-	{
-		output.push_back(start / div);
-		start += step;
-	}
-	return output;
-}
-
-void F0PreProcess::InterPf0(int64_t len)
-{
-	const auto xi = arange(0.0, (double)f0Len * (double)len, (double)f0Len, (double)len);
-	const auto tmp = new double[xi.size() + 1];
-	interp1(arange(0, (double)f0Len).data(), rf0, static_cast<int>(f0Len), xi.data(), (int)xi.size(), tmp);
-	for (size_t i = 0; i < xi.size(); i++)
-		if (isnan(tmp[i]))
-			tmp[i] = 0.0;
-	delete[] rf0;
-    rf0 = nullptr;
-	rf0 = tmp;
-	f0Len = (int64_t)xi.size();
-}
-
-long long* F0PreProcess::f0Log()
-{
-	const auto tmp = new long long[f0Len];
-	const auto f0_mel = new double[f0Len];
-	for (long long i = 0; i < f0Len; i++)
-	{
-		f0_mel[i] = 1127 * log(1.0 + rf0[i] / 700.0);
-		if (f0_mel[i] > 0.0)
-			f0_mel[i] = (f0_mel[i] - f0_mel_min) * (f0_bin - 2.0) / (f0_mel_max - f0_mel_min) + 1.0;
-		if (f0_mel[i] < 1.0)
-			f0_mel[i] = 1;
-		if (f0_mel[i] > f0_bin - 1)
-			f0_mel[i] = f0_bin - 1;
-		tmp[i] = (long long)round(f0_mel[i]);
-	}
-	delete[] f0_mel;
-	delete[] rf0;
-    rf0 = nullptr;
-	return tmp;
-}
-
-std::vector<long long> F0PreProcess::GetF0AndOtherInput(const double* audio, int64_t audioLen, int64_t hubLen, int64_t tran)
-{
-	compute_f0(audio, audioLen);
-	for (int64_t i = 0; i < f0Len; ++i)
-	{
-		rf0[i] = rf0[i] * pow(2.0, static_cast<double>(tran) / 12.0);
-		if (rf0[i] < 0.001)
-			rf0[i] = NAN;
-	}
-	InterPf0(hubLen);
-	const auto O0f = f0Log();
-	std::vector<long long> Of0(O0f, O0f + f0Len);
-    delete[] O0f;
-	return Of0;
-}
-
-std::vector<long long> getAligments(size_t specLen, size_t hubertLen)
-{
-	std::vector<long long> mel2ph(specLen + 1, 0);
-
-	size_t startFrame = 0;
-	const double ph_durs = static_cast<double>(specLen) / static_cast<double>(hubertLen);
-	for (size_t iph = 0; iph < hubertLen; ++iph)
-	{
-		const auto endFrame = static_cast<size_t>(round(static_cast<double>(iph) * ph_durs + ph_durs));
-		for (auto j = startFrame; j < endFrame + 1; ++j)
-			mel2ph[j] = static_cast<long long>(iph) + 1;
-		startFrame = endFrame + 1;
-	}
-
-	return mel2ph;
-}
-
-std::vector<float> F0PreProcess::GetF0AndOtherInputF0(const double* audio, int64_t audioLen, int64_t tran)
-{
-	compute_f0(audio, audioLen);
-	for (int64_t i = 0; i < f0Len; ++i)
-	{
-		rf0[i] = log2(rf0[i] * pow(2.0, static_cast<double>(tran) / 12.0));
-		if (rf0[i] < 0.001)
-			rf0[i] = NAN;
-	}
-	const int64_t specLen = audioLen / hop;
-	InterPf0(specLen);
-
-    std::vector<float> Of0(specLen, 0.0);
-
-    double last_value = 0.0;
-    for (int64_t i = 0; i < specLen; ++i)
-    {
-        if (rf0[i] <= 0.0)
-        {
-            int64_t j = i + 1;
-            for (; j < specLen; ++j)
-            {
-                if (rf0[j] > 0.0)
-                    break;
-            }
-            if (j < specLen - 1)
-            {
-                if (last_value > 0.0)
-                {
-                    const auto step = (rf0[j] - rf0[i - 1]) / double(j - i);
-                    for (int64_t k = i; k < j; ++k)
-                        Of0[k] = float(rf0[i - 1] + step * double(k - i + 1));
-                }
-                else
-                    for (int64_t k = i; k < j; ++k)
-                        Of0[k] = float(rf0[j]);
-                i = j;
-            }
-            else
-            {
-                for (int64_t k = i; k < specLen; ++k)
-                    Of0[k] = float(last_value);
-                i = specLen;
-            }
-        }
-        else
-        {
-            Of0[i] = float(rf0[i - 1]);
-            last_value = rf0[i];
-        }
-    }
-    delete[] rf0;
-    rf0 = nullptr;
-	return Of0;
-}