The U.S. transmission format is called 8-VSB (for 8-level vestigial sideband), which is more susceptible to multipath distortion than the European system, called coded orthogonal frequency division multiplexing, or COFDM.

• 美国的传送格式是八阶残边带（8-VSB），这种格式比欧洲的编码正交分频多工（COFDM）系统，更容易受到多路径问题影响。