HDE-ASI (HD Encoder-SDI) accepts & auto-detects input streams in HD-SDI, SD-SDI, and analog NTSC formats, and delivers one HD/SD MPEG-2 encoded output in ASI format. Additionally, a multi-channel output in DVI format is available for preview and testing purposes. The standard audio program of the digital inputs is encoded in Dolby AC-3 format. Optional Dolby 5.1 is available. Remote monitoring and control is accomplished using any standard Web browser.