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i had this for a while great tool ....
Ultrafunk Sonitus Surround Sound
FIG. 3: You can specify your signal’s position in the sound field with Fx:surround, which encodes surround- and center-channel information into the stereo output (click for larger image).
In contrast to Fx hase, the Fx:surround plug-in (see Fig. 3) is the most complex of the effects and offers the most unusual features. This plug-in lets you position your signal anywhere within the sound field, even behind the listener. It achieves this by creating a stereo signal that contains encoded surround and center channel information. You need a surround-sound-capable decoder and speaker setup to hear the full effect of the Surround plug-in, but even with a plain set of stereo speakers, the effect is noticeable.
The plug-in’s Panning Area allows you to set the position of your signal in the sound field. Drag the signal indicator left or right to pan the signal as such or drag the indicator up and down to move the signal front to back. A Joystick option lets you use a gaming joystick to manipulate the signal position—pretty cool. The Panning Area can be zoomed to three different levels, which allows you to place the signal “outside” the actual speaker boundaries. You can also choose from four input types: Mono, Stereo, Left, and Right.
Fx:surround lets you define a Focal Point within the sound field, which is similar to specifying the location of a virtual listener. When used with different Attenuation and Doppler effects, that can make the surround-sound experience more realistic.
The plug-in’s best feature, however, is the Path. The Path function lets you draw a path in the Panning Area along which your signal will move. This allows you to animate your signal in the sound field. For example, if you had a helicopter sound in your audio proj-ect, you could make it move all around the sound field by drawing a flight path for it in the Panning Area. You can create some very convincing sound effects with the Focal Point, Attenuation, and Doppler features. I had a lot of fun playing with Fx:surround.
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