I3DL2Reverb
~~~~~~~~~~~
Reverb
is a stream of reflections that are more or less delayed with respect
to the direct sound.
Early
reflections reflections
arriving up to about 25 ms after the direct sound will most likely
produce comb filtering, beneficial for bass instruments but
ineligible for most of the others.
00-10ms - change in tonal
coloration
10-20ms - area of maximal Haas effect
20-40ms - tail
of the Haas effect, most of the early reflections should be right
here
40-100ms - late reflections should be diffused
Room:
Volume of low frequencies and master volume level of this
reverb
RoomHF:
Volume of high frequencies, controls brightness of the reverb and is
very dependent on the Quality setting.
RoomRolloffFactor:
Has no effect in Modplug.
DecayTime:
defined as a time (in seconds) the reverb level at HFReference
drops by 60 db. Concert halls have about 1.5-2 sec decay at
4khz.
DecayHFRatio:
Rate between low and high frequency decay. Human year is supposed to
notice a +/- 10% imperfection in a concert hall. Use low values for a
special effect
Reflections:
Early reflections volume level.
ReflectionsDelay:
Early reflections delay (in miliseconds)
Reverb:
Late reverbation volume level. Late reflections are more silent than
early echoes but arrive in much higher amounts and for a longer
period of time. They're the basic parameter which defines the
character of the reverb.
ReverbDelay:
Late reverbation delay (in miliseconds, adds to
ReflectionsDelay)
Diffusion:
Controls volume of random (well, not completely - their tap to tap
distance depends on corellated reflection tap to tap distance
contolled by Density) uncorellated reflections in reverb.
Maximum value sounds artificial, something between 70 and 90 should
work. If you want a room ambience (down to about 40) or a special
effect, go lower.
Density:
Distance between reverb reflections, the higher the value, the lower
the distance. Use low values for a special effect.
HFReference:
High frequency absorption reference frequency.
Quality:
3 = 44khz processing, 2 = 22khz
and so on. The highest quality doesn't always give the best results,
especially if you want to get rid of high frequensies.
Setting
examples:
Concert
hall
Room:
-800
RoomHF: -800
RoomRolloffFactor:
N/A
DecayTime: 2
DecayHFRatio: 0.9
Reflections:
-1700
ReflectionsDelay: 0.15
Reverb:
200
ReverbDelay: 0.05
Diffusion: 80
Density:
100
HFReference: 5000
Quality: 1