Sound Field Models - WAF ORFEUSZ206 User Manual

Sound Field Models

In order to cover all your possible needs, 4 different sound field models were made available (see Virtual
Sound Field window for how to switch between these models).
In Panning Only mode, the only spatial cue to be rendered is the source azimuth, through
appropriate panning. Sources are displayed on circles centered on the listener. In this mode, you can
freely rotate the listener, or both sources individually, or eventually both sources together thanks to
the cross (X) control linking both sources. Be aware that in this simplest mode Automove and Spatial
Effects are not available. Panning Only mode doesn't entail any sound coloration.
To move sources, drag them individually with the mouse to the desired location, or displace them
together dragging the cross (X) symbol. To rotate the listener, place mouse cursor on the green spot
to have the following symbol
is facing 'North' when positioned upwards, as depicted in the screenshot below.
Trick: to lock the angle between the two sources while moving them collectively, double-click on
the cross (X) symbol.
Free Field model emulates sound propagation of sources in a free field. This mode renders all
spatial attributes – azimuth, distance and speed – in a virtual anechoic environment. A circle of
adjustable size surrounds the listener and shows the reference distance. At
reference distance, source loudness is maximal, and will not increase if source is
moved closer to listener. This is to avoid clipping signals, but should also be used
to tailor the depth of the acoustic environment. To increase or decrease reference
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displayed, and rotate in the appropriate direction. Note that listener
source linking
control
17
listener
sources
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