Correction of CTC-Factor

src/ITANCTC.cpp

@@ -291,44 +291,50 @@ bool ITANCTC::CalculateFilter( std::vector< ITAHDFTSpectra* >& vpCTCFilter )
 		pHRTF->Export( "HRIR_LS" + IntToString( n + 1 ) + "_WICKed" );
 #endif // NCTC_EXPORT_FILTER_TO_HARDDRIVE
 
-		//  --- CTC compensation factor + weighting ---
-		
-		// Weighting
-		float fWeight = float( m_vdWeights[ n ] ); // diag element
-
+		//  --- CTC compensation factor ---
 		// CTC compensation factors
-		int iLSSide = GetLoudspeakerSide( n + 1 );
+		int iLSSide = GetLoudspeakerSide(n + 1);
 
 		float fRightChannelCTC = 1.0f;
-		if( iLSSide == Config::Loudspeaker::LEFT_SIDE )
+		if (iLSSide == Config::Loudspeaker::LEFT_SIDE)
 			fRightChannelCTC *= m_fCrossTalkCancellationFactor; // only apply to left channel if LS is at left side
 
 		float fLeftChannelCTC = 1.0f;
-		if( iLSSide == Config::Loudspeaker::RIGHT_SIDE )
+		if (iLSSide == Config::Loudspeaker::RIGHT_SIDE)
 			fLeftChannelCTC *= m_fCrossTalkCancellationFactor; // only apply to right channel if LS is at right side
-
+		
+		(*pHRTF)[0]->mul(fLeftChannelCTC);
+		(*pHRTF)[1]->mul(fRightChannelCTC);
+		
+#ifdef NCTC_EXPORT_FILTER_TO_HARDDRIVE
+		pHRTF->Export("HRIR_LS" + IntToString(n + 1) + "_WICKedPlusCTCFactor");
+#endif // NCTC_EXPORT_FILTER_TO_HARDDRIVE
+		
+		//  --- Weighting ---
+		float fWeight = float( m_vdWeights[ n ] ); // diag element
+				
 		// Element wise (a and d): HWH* -> 2x2
 		t->copy( ( *pHRTF )[ 0 ] );
-		t->mul( fWeight * fLeftChannelCTC );
+		t->mul( fWeight );
 
 		t->mul_conj( ( *pHRTF )[ 0 ] );
 		n == 0 ? a->copy( t ) : a->add( t );
 
 		t->copy( ( *pHRTF )[ 1 ] );
-		t->mul( fWeight * fRightChannelCTC );
+		t->mul( fWeight );
 
 		t->mul_conj( ( *pHRTF )[ 1 ] );
 		n == 0 ? d->copy( t ) : d->add( t );
 
 		// Cross elements (b and c): HWH*
 		t->copy( ( *pHRTF )[ 1 ] );
-		t->mul( fWeight * fRightChannelCTC );
+		t->mul( fWeight );
 
 		t->mul_conj( ( *pHRTF )[ 0 ] );
 		n == 0 ? b->copy( t ) : b->add( t );
 
 		t->copy( ( *pHRTF )[ 0 ] );
-		t->mul( fWeight * fLeftChannelCTC );
+		t->mul( fWeight );
 
 		t->mul_conj( ( *pHRTF )[ 1 ] );
 		n == 0 ? c->copy( t ) : c->add( t );
@@ -375,38 +381,27 @@ bool ITANCTC::CalculateFilter( std::vector< ITAHDFTSpectra* >& vpCTCFilter )
 
 	for( int n = 0; n < GetN(); n++ )
 	{
-		// Again, apply CTC compensation factors
-		int iLSSide = GetLoudspeakerSide( n + 1 );
-
-		float fRightChannelCTC = 1.0f;
-		if( iLSSide == Config::Loudspeaker::LEFT_SIDE )
-			fRightChannelCTC *= m_fCrossTalkCancellationFactor;
-
-		float fLeftChannelCTC = 1.0f;
-		if( iLSSide == Config::Loudspeaker::RIGHT_SIDE )
-			fLeftChannelCTC *= m_fCrossTalkCancellationFactor;
-
 		ITAHDFTSpectra* pHRTF( m_vpHRTFs[ n ] ); // two-channel, already WICKed
 		ITAHDFTSpectra* pCTCFilter( vpCTCFilter[ n ] ); // two-channel
 		float fWeight = float( m_vdWeights[ n ] ); // diag element
 
 		t->copy( a );
 		t->mul_conj( ( *pHRTF )[ 0 ] );
-		t->mul( fWeight * fLeftChannelCTC );
+		t->mul( fWeight );
 		( *pCTCFilter )[ 0 ]->copy( t );
 
 		t->copy( b );
 		t->mul_conj( ( *pHRTF )[ 1 ] );
-		t->mul( fWeight * fRightChannelCTC );
+		t->mul( fWeight );
 		( *pCTCFilter )[ 0 ]->add( t );
 
 		t->copy( c );
 		t->mul_conj( ( *pHRTF )[ 0 ] );
-		t->mul( fWeight * fLeftChannelCTC );
+		t->mul( fWeight );
 		( *pCTCFilter )[ 1 ]->copy( t );
 		t->copy( d );
 		t->mul_conj( ( *pHRTF )[ 1 ] );
-		t->mul( fWeight * fRightChannelCTC );
+		t->mul( fWeight );
 		( *pCTCFilter )[ 1 ]->add( t );
 
 #ifdef NCTC_EXPORT_FILTER_TO_HARDDRIVE
@@ -415,7 +410,6 @@ bool ITANCTC::CalculateFilter( std::vector< ITAHDFTSpectra* >& vpCTCFilter )
 
 
 		// Time-shift
-
 		m_ifft.execute( ( *pCTCFilter )[ 0 ]->data(), m_sfCTC_temp[ 0 ].data() );
 		m_ifft.execute( ( *pCTCFilter )[ 1 ]->data(), m_sfCTC_temp[ 1 ].data() );