These functions adjust the spectral tilt of the input waveform.
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These functions adjust the spectral tilt of the input waveform.
void pre_emphasis |
( |
EST_Wave & |
sig, |
|
|
float |
a = DEFAULT_PRE_EMPH_FACTOR |
|
) |
| |
Pre-emphasis filtering. This performs simple high pass filtering with a one tap filter of value a
. Normal values of a range between 0.95 and 0.99.
Definition at line 254 of file filter.cc.
void pre_emphasis |
( |
EST_Wave & |
sig, |
|
|
EST_Wave & |
out, |
|
|
float |
a = DEFAULT_PRE_EMPH_FACTOR |
|
) |
| |
Pre-emphasis filtering. This performs simple high pass filtering with a one tap filter of value a
. Normal values of a range between 0.95 and 0.99.
Definition at line 269 of file filter.cc.
void post_emphasis |
( |
EST_Wave & |
sig, |
|
|
float |
a = DEFAULT_PRE_EMPH_FACTOR |
|
) |
| |
Post-emphasis filtering. This performs simple low pass filtering with a one tap filter of value a. Normal values of a range between 0.95 and 0.99. The same values of a
should be used when pre- and post-emphasizing the same signal.
Definition at line 240 of file filter.cc.
void post_emphasis |
( |
EST_Wave & |
sig, |
|
|
EST_Wave & |
out, |
|
|
float |
a = DEFAULT_PRE_EMPH_FACTOR |
|
) |
| |
Post-emphasis filtering. This performs simple low pass filtering with a one tap filter of value a. Normal values of a range between 0.95 and 0.99. The same values of a
should be used when pre- and post-emphasizing the same signal.
Definition at line 282 of file filter.cc.