Blonder Tongue – HDE-ASI-D51 – HD/SD/NTSC-to-ASI Encoder with Dolby 5.1 Audio

  • Three available input modes: 1xHD(1080i), 1xHD(720p)+2xSD/NTSC, and 4xSD/NTSC
  • GUI-based monitoring and control menu via Web browser
  • Multi-channel preview via front-panel DVI interface
  • Standard real-time Dolby AC-3 audio encoding
  • Optional real-time Dolby 5.1 audio encoding
  • Supports EIA-608 and EIA-708 Closed Captioning
  • Supports PSIP configuration


HDE-ASI (HD Encoder-ASI) accepts and 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.

HDE-ASI Spec Sheet