Oberheim GM 400
Digital Signal Processor
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VIRTUAL CHAMBER
A reverberation effect which offers the user an interface in which he can define all the
characteristics of the room to be simulated. For example, he can decide the size of the room
and the absorption capacity of its walls, the position of the sound source, and the listener's
position and the direction in which he is facing. Setting these programming parameters will
enable you to create surprising effects, absolutely beyond the capabilities of normal reverbs:
the GM 400 will introduce you to the world of "psycho-acoustics", normally the domain of
extremely expensive sound processors used only by large recording studios.
Chamber Width parameter. Range: 1 - 40 metres
Chamber Depth parameter. Range: 1 - 40 metres
Chamber Height parameter. Range: 1 - 20 metres
They set the dimensions (in metres) of the reverberation chamber to be simulated.
Level parameter. Range: 0 - 100
Regulates the level of the output signal in the context of the effects chain
Listener X parameter. Range: 0 - Chamber Width
Listener Y parameter. Range: 0 - Chamber depth.
They set the positioner of the listener inside the reverberation chamber.
Listener D (
)parameter. Range: 0, Human, 1 M
Regulates the distance between the left and right listening points. This parameter is useful
above all when a microphone recording is to be simulated.
Listener parameter. Range: Mikes, Ears
Sets the listener type: pair of microphones or ears.
Source X parameter. Range: 0 - Chamber Width
Summary of Contents for GM-400
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