The HDMI 1 input 2 output audio splitter can help you connect the signal source device to a display device. At the same time, it can also simultaneously separate the digital audio in the HDMI signal to the SPDIF optical output, or output 2 audio after conversion by the internal audio DAC It supports the output of various digital audio formats such as Dolby Digital AC-3, DTS, LPCM, etc., and can be used with DVD players, Blu-ray players, network players, set-top boxes, PS2, PS3, Xbox360, PC It can be used for docking with HDMI high-definition output terminals of many entertainment devices. This product can be used in places with limited noise, transmission distance and security, data center control, information distribution, conference room presentations, as well as digital environments and corporate training venues.