@@ -611,10 +611,11 @@ int32_t Channel::Interpolate()

 		double kernel[LANCZOS_WIDTH * 2], kernel_sum = 0.0;

 		int i = LANCZOS_WIDTH, shift = static_cast<int>(std::floor(ratio * LANCZOS_RESOLUTION));

 		int step = this->reg.sampleIncrease > 1.0 ? static_cast<int>(LANCZOS_RESOLUTION / this->reg.sampleIncrease) : LANCZOS_RESOLUTION;

+		int shift_adj = shift * step / LANCZOS_RESOLUTION;

 		for (; i >= -static_cast<int>(LANCZOS_WIDTH - 1); --i)

 		{

 			int pos = i * step;

-			kernel_sum += kernel[i + LANCZOS_WIDTH - 1] = this->lanczos_lut[std::abs(shift - pos)];

+			kernel_sum += kernel[i + LANCZOS_WIDTH - 1] = this->lanczos_lut[std::abs(shift_adj - pos)];

 		}

 		double sum = 0.0;

 		for (i = 0; i < static_cast<int>(LANCZOS_WIDTH * 2); ++i)

@@ -42,7 +42,7 @@ public:

 unsigned XSFConfig::initSampleRate = 44100;

 std::wstring XSFConfig::commonName = L"NCSF Decoder";

-std::wstring XSFConfig::versionNumber = L"1.7";

+std::wstring XSFConfig::versionNumber = L"1.7.1";

 unsigned XSFConfig_NCSF::initInterpolation = 5;

 std::wstring XSFConfig_NCSF::initMutes = L"0000000000000000";