Jiefanglu HDMI-AV NTSC PAL CVBS HD Switch Adapter Converter box Signal Conversion Make the HDMI high-definition signal processed by SCALE DOWN video, and then turn it into 576I, 480I (PAL / NTSC) video signal output. Automatic identificate HDCP, forcibly release KEY (HDCP) brought by the front HDMI brought. Make the HDMI digital audio processed by digital-analog DAC chip and then transfer it into analog stereo AUDIO. Use the most advanced video processing technology, the image's brightness, contrast and color enhancement processing. After conversion, full brightness CVBS effect.