| 摘要 |
A signal output device of an HDMI device and a method thereof, which can automatically determine a type of an HDMI cable such that a display device such as a television set can always display an optimal screen. The signal output method of a digital interface device to output a signal of a device connected to a digital interface cable includes determining the type of the digital interface cable, and comparing a resolution which can be supported by the digital interface cable with an output resolution of the device which is set and outputting whether the digital interface cable can support the output resolution. |
