Sony HT-9900M Operating Instructions - Page 71
Normal Surround, Enhanced Surround, Virtual Rear Shift, Virtual Multi Rear, Virtual Multi Dimension
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◆NORMAL SURROUND Software with 2 channel audio signals is decoded with the Dolby Surround (Pro Logic) decoder to create surround effects. The rear speakers will emit identical monaural sounds. If you are using a center speaker, the appropriate sounds for the center speaker will be delivered. L R The position of the virtual rear speakers differs according to "REAR" or "SIDE" settng of the rear speakers (page 92). REAR L R LS RS SIDE L R LS RS ◆ENHANCED SURROUND Provides a greater sense of presence from a Dolby Surround (Pro Logic) source with a monaural rear channel signal. Produces a stereo like effect in the rear channels. ◆VIRTUAL REAR SHIFT Shifts the sound of the rear speakers away from the actual speaker position. The shift position differs according to "REAR" or "SIDE" setting of the rear speakers (page 92). REAR L R LS RS ◆VIRTUAL MULTI DIMENSION Creates an array of virtual rear speaker positions higher than the listener from a single set of actual rear speakers. This mode creates five sets of virtual speakers surrounding the listener at approximately 30º of elevation. The effect differs according to "REAR" or "SIDE" setting of the rear speakers (page 92). REAR L R Sound Adjustments LS RS SIDE L R LS RS ◆VIRTUAL MULTI REAR Creates an array of virtual rear speakers from a single set of actual rear speakers. LS RS SIDE L R LS RS c continued 71