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/*############################################################################*/
/*# #*/
/*# Ambisonic C++ Library #*/
/*# CAmbisonicMicrophone - Ambisonic Microphone #*/
/*# Copyright © 2007 Aristotel Digenis #*/
/*# #*/
/*# Filename: AmbisonicMicrophone.cpp #*/
/*# Version: 0.1 #*/
/*# Date: 19/05/2007 #*/
/*# Author(s): Aristotel Digenis #*/
/*# Licence: MIT #*/
/*# #*/
/*############################################################################*/
#include "AmbisonicMicrophone.h"
CAmbisonicMicrophone::CAmbisonicMicrophone()
{
m_fDirectivity = 1.f;
}
CAmbisonicMicrophone::~CAmbisonicMicrophone()
{ }
void CAmbisonicMicrophone::Refresh()
{
CAmbisonicSource::Refresh();
m_pfCoeff[0] *= (2.f - m_fDirectivity) * sqrtf(2.f);
}
void CAmbisonicMicrophone::Process(CBFormat* pBFSrc, unsigned nSamples, float* pfDst)
{
unsigned niChannel = 0;
unsigned niSample = 0;
float fTempA = 0;
float fTempB = 0;
for(niSample = 0; niSample < nSamples; niSample++)
{
fTempA = pBFSrc->m_ppfChannels[0][niSample] * m_pfCoeff[0];
fTempB = 0;
for(niChannel = 1; niChannel < m_nChannelCount; niChannel++)
{
fTempB += pBFSrc->m_ppfChannels[niChannel][niSample] * m_pfCoeff[niChannel];
}
pfDst[niSample] = 0.5f * (fTempA + fTempB * m_fDirectivity);
}
}
void CAmbisonicMicrophone::SetDirectivity(float fDirectivity)
{
m_fDirectivity = fDirectivity;
}
float CAmbisonicMicrophone::GetDirectivity()
{
return m_fDirectivity;
}
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