The HDSD9155Q Afterburner is a powerful device designed to facilitate the creation of off-line videotapes from telecine or field acquired 4:4:4 or 4:2:2 HDTV or 4:2:2 SDTV masters. The HDSD9155Q can be operated as a high quality downconverter or as a character inserter on the native HDTV or SDTV signal. Embedded audio present on the input video is reinserted on the serial digital outputs in time with the picture. The Afterburner can operate in a 'film mode' working with telecine masters or a 'video mode' working with field acquired HDTV.

As a high quality downconverter the Afterburner provides two clean (characters optional) SDI downconverted outputs with VITC, suitable for creation of high quality viewing copies, and two SDI and one analog monitoring output with VITC and characters suitable for monitoring or creation of tapes for non-linear editing systems. When the input video is in the 1080p/24sF format the Afterburner also creates a 2:3 pulldown on the output video to create a 30 Fps output. The Afterburner automatically generates video timecode for the standard definition VTR that is converted from 24 to 30 Fps, and delayed to match the complete A frame cycle of delay through the Afterburner. When outputting the native HDTV or SDTV input, the Afterburner provides two clean 4:2:2 program outputs (with optional characters for virtual slates, etc.) and two 4:2:2 monitor outputs with characters burned in.

In 'film mode', the Afterburner reads the RP215 VANC (HDTV) or RP201 3-line VITC (SDTV) Film transfer data that was recorded by the Evertz Film Footage Encoder during the telecine transfer, and makes burn-in windows. When operating as a downconverter, the essential timecode and KeyKode data is also converted into RP201 3-line VITC inserted on the SDTV outputs. The 2:3 cadence can be controlled from the VANC data or from the LTC. The 2:3 cadence can also be locked to an external 6Hz reference where the Afterburner is directly reading the HD Film Footage Encoder output.

In 'video mode' the Afterburner reads the LTC or SMPTE ST 12-2 ancillary timecode (ATC) and makes burn-in windows and new timecode that is in sync with the downconverted video. The original 24 Fps timecode numbers can be placed in the user bits of the VITC and displayed as a burned-in window. The 2:3 cadence can be controlled from the input video timecode, or by applying a 6Hz reference pulse.

The HDSD9155Q can be easily configured using version 3 of Evertz popular KeyLog Tracker™ software (included) using RS-232 or Ethernet communications. The Tracker graphical interface software allows the user to store multiple configurations for the HDSD9155Q. For stand alone applications the Afterburner can also be controlled from the local front panel using the built-in on screen menu system.

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