17.0

114 Sound Effects
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 For example, if the length of a 44.1 kHz sample is doubled, then the freqency
level of the result will be limited to 11.025 kHz. The sound is the same as
when the playback speed of a record player or tape recorder is changed.
Reverb/Echo (object FX only)
The reverb effect device offers newly developed and very realistic reverb
algorithms to add more room depth to your recording.
Reverb is probably the most important, but also the most difficult effect to
generate.
Fundamentals
Our everyday experience shows that not every room matches every
instrument. Thus we have designed "virtual" rooms. However, it still remains
important to find the correct parameters. Here are some examples of
parameters that are decisive for the sound impression in real and virtual rooms:
 Size of room: The larger the room, the longer the sound travels between walls
or objects. Our brain "calculates" the size from the time difference. The size
impression is mainly determined from so-called first reflections and the
discreet echo. We don’t notice a (diffused) reverb.
 The reverberation time is mainly influenced by the composition of the walls,
ceilings, and floors. This reverb time is highly frequency-dependent. For
instance, the highs and mids are dampened more in rooms with curtains,
carpets, furniture, and some corners than in an empty, tiled room.
 The density of the reflection. The sequence of the first reflection is particularly
important. A room with many individually recognizable echoes feels alive,
especially if they are quite far apart.
The diffusion. Simple reverb machines do not take into account that reflections
become more and more complex as they develop. They blur the first echoes at
the beginning, which sounds artificial and "two-dimensional" for many signals.
Our reverb effect works like a real room instead where individual echoes can
still be heard at the beginning of the reverb but then reflect amongst each
other more and more until they disappear in the signal sustain as a so-called
"diffused hiss".
The presets include many rooms that were designed for certain instruments
and applications and whose internal parameters have been optimized for these