- b -

• BACKGROUND_BLUR : VirtualBackgroundSource
• BACKGROUND_COLOR : VirtualBackgroundSource
• BACKGROUND_IMG : VirtualBackgroundSource
• BACKGROUND_NONE : VirtualBackgroundSource
• BACKGROUND_VIDEO : VirtualBackgroundSource
• Balance : ILocalUser
• BLUR_DEGREE_HIGH : VirtualBackgroundSource
• BLUR_DEGREE_LOW : VirtualBackgroundSource
• BLUR_DEGREE_MEDIUM : VirtualBackgroundSource