HDMI is a standard for hooking audio and video playback devices to a display device. Sometimes, audio or video equipment may not have enough HDMI connectors. In such an instance, a splitter can be used to output an HDMI signal to multiple devices from one connection.
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A primary concern when splitting an HDMI signal is determining what type of splitter to use. A passive splitter merely outputs one HDMI signal to two connectors. An active splitter, or switch, turns off the portion of the splitter that is not currently in use.
Dual Display Problems
If a passive splitter is used, display problems are likely if the signal is output to two devices at the same time. To avoid this, ensure that only one display device is used at a time with a passive splitter.
HDMI devices must handshake with one another, which allows each device to display data over the cable. Powering devices on at the same time can lead to corrupted video or audio. To avoid these problems, power devices on one at a time with a delay between each device of at least 10 seconds.
HDMI is a developing standard. Even when devices are hooked up properly, some HDMI devices simply may not function with certain splitters. Try hooking up the devices without the splitter to eliminate this potential problem.
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