Dolby Pro Logic IIz is a new matrix encoding/decoding system that enables the transmission of a pair of height channels within a conventional surround sound stream (e.g., 5.1). In this paper, we provide guidelines for the use of Pro logic IIz for interactive gaming applications including recommended speaker placement, creation of elevation information, and details on how to embed the additional height channels within a 5 or 7 channel stream. Surround sound with height is already widely available in home-theater receivers. It offers increased immersion for the user and is a perfect fit for 2D or stereoscopic 3D video games.
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