Dolby® Virtual Speaker is a propriety algorithm from Dolby Laboratories intended for creating realistic 5.1 surround effects with as few as two speakers. The Dolby Virtual Speaker uses the directional and phase characteristics of the audio data as well as room-modeling technologies to simulate a 5.1 Virtual surround sound reproduction system. Dolby Virtual Speaker can also produce surround effects from stereo sources when used in combination with Dolby Pro Logic II. This module can only be shipped to pre-approved Dolby "qualified recipients."
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Each module supports the Analog Devices, Inc. (ADI) Blackfin or SHARC Processor family and is a licensed product that is available in object code format. Recipients must sign or accept a license agreement with ADI prior to being shipped or downloading the modules identified in the license agreement.