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The Audio menu allows you to set the system's Main Mix Channel Configuration according to one of the following options:
Use Audio Device: The speaker setup configuration for your system. 例如，在 Windows 系统下，可在“控制面板”中定义此项。
2.0 (Speaker Panning): A stereo setup optimized for speakers.
2.0 (Headphone Panning): A stereo setup optimized for headphones.
5.1: A surround speaker setup using L, R, C, SL, SR, and LFE channels.
7.1: A surround speaker setup using L, R, C, SL, SR, BL, BR, and LFE channels.