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Institute of Technical Acoustics (ITA)
ITACTC
Commits
bb09c185
Commit
bb09c185
authored
Sep 29, 2016
by
Dipl.-Ing. Jonas Stienen
Browse files
Removing cepstrum
parent
010c9f2d
Changes
1
Hide whitespace changes
Inline
Side-by-side
src/ITANCTC.cpp
View file @
bb09c185
...
...
@@ -262,36 +262,32 @@ bool ITANCTC::CalculateFilter( std::vector< ITAHDFTSpectra* >& vpCTCFilter )
// First, store original energy of HRTF (left channel)
float
fEnergy
=
(
*
pHRTF
)[
0
]
->
getEnergy
();
// Apply WICK factor in cepstrum domain only on magnitudes (left channel)
(
*
pHRTF
)[
0
]
->
log
();
// Apply WICK factor only on magnitudes (left channel)
for
(
int
i
=
0
;
i
<
(
*
pHRTF
)[
0
]
->
getSize
();
i
++
)
{
float
f
Cepstrum
Mag
=
(
*
pHRTF
)[
0
]
->
calcMagnitude
(
i
);
(
*
pHRTF
)[
0
]
->
setMagnitudePreservePhase
(
i
,
fCepstrum
Mag
*
m_fWaveIncidenceAngleCompensationFactor
);
float
fMag
=
(
*
pHRTF
)[
0
]
->
calcMagnitude
(
i
);
(
*
pHRTF
)[
0
]
->
setMagnitudePreservePhase
(
i
,
std
::
powf
(
f
Mag
,
m_fWaveIncidenceAngleCompensationFactor
)
);
}
(
*
pHRTF
)[
0
]
->
exp
();
// Compensate initial HRTF energy when WICK is used (left channel)
assert
(
fEnergy
>
0
);
float
fEnergyCompensation
=
powf
(
fEnergy
,
(
1
-
m_fWaveIncidenceAngleCompensationFactor
)
);
float
fEnergyCompensation
=
std
::
powf
(
fEnergy
,
(
1
-
m_fWaveIncidenceAngleCompensationFactor
)
);
(
*
pHRTF
)[
0
]
->
mul
(
fEnergyCompensation
);
// First, store original energy of HRTF only on magnitudes (right channel)
fEnergy
=
(
*
pHRTF
)[
1
]
->
getEnergy
();
// Apply WICK factor in cepstrum domain (right channel)
(
*
pHRTF
)[
1
]
->
log
();
// Apply WICK factor only on magnitude (right channel)
for
(
int
i
=
0
;
i
<
(
*
pHRTF
)[
1
]
->
getSize
();
i
++
)
{
float
f
Cepstrum
Mag
=
(
*
pHRTF
)[
1
]
->
calcMagnitude
(
i
);
(
*
pHRTF
)[
1
]
->
setMagnitudePreservePhase
(
i
,
fCepstrum
Mag
*
m_fWaveIncidenceAngleCompensationFactor
);
float
fMag
=
(
*
pHRTF
)[
1
]
->
calcMagnitude
(
i
);
(
*
pHRTF
)[
1
]
->
setMagnitudePreservePhase
(
i
,
std
::
powf
(
f
Mag
,
m_fWaveIncidenceAngleCompensationFactor
)
);
}
(
*
pHRTF
)[
1
]
->
exp
();
// Compensate initial HRTF energy when WICK is used (right channel)
assert
(
fEnergy
>
0
);
fEnergyCompensation
=
powf
(
fEnergy
,
(
1
-
m_fWaveIncidenceAngleCompensationFactor
)
);
fEnergyCompensation
=
std
::
powf
(
fEnergy
,
(
1
-
m_fWaveIncidenceAngleCompensationFactor
)
);
(
*
pHRTF
)[
1
]
->
mul
(
fEnergyCompensation
);
...
...
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