HDMI Digital Output The DR-MH300 comes with HDMI (High-Definition Multimedia Interface), a next-generation digital interface. Advantages include: 1) A single cable connection for transmitting uncompressed video and audio signals. 2) Digital-to-digital transmission for lossless, high-quality pictures. 3) Video signal conversion from 480i (interlaced)/480p (progressive) to 720p or 1080i. 4) HDCP (High-bandwidth Digital Content Protection) is supported.