The USB data cable has become a common and essential digital accessory in daily life. However, with the rapid development of the mobile phone industry, the OTG cable has gradually entered the public's field of vision. The OTG cable is so similar to the USB cable, so what is the difference between them?
The USB data cable is used to connect the mobile phone and the computer. It can access the data such as photos and music in the mobile phone through the computer. At the same time, because the mobile phone has its own memory or expansion card, in a sense, the mobile phone is also another kind of U disk. Of course, it is also an indispensable connection bridge for charging mobile phones, tablets, MP4 and other digital devices.
Both DP and HDMI are commonly used video and audio transmission protocols, which support simultaneous audio and video output, and can be used for computer TV, projection display and other devices. DP and HDMI protocols have their own advantages, and different versions are also catching up with each other in performance. In the last chapter, we popularized the DP2.0 protocol standard. DP2.0 raised the transmission bandwidth to a new level. Compared with the same excellent HDMI2.1 video and audio protocol, which is better, DP2.0 or HDMI2.1? Below we compare DP2.0 and HDMI2.1 from three aspects: physical interface, parameter standards and application advantages.