The HDMI 18 Gbps Audio Embedder allows audio signals from digital optical or analog stereo line inputs to be embedded into the HDMI output. Both HDMI input and output support video resolutions up to 4K@50/60Hz (YUV 4:4:4). It also supports 10-bit HDR pass-through and high-resolution digital audio formats, including LPCM 2CH, Dolby TrueHD, Dolby Digital