PDXT8: IP Transcoder (4 HD / 8 SD)

The PDXT8 is an advanced IP transcoding system designed for use in digital headends. The unit is ideal for conversion of MPEG-4/H.264 program for MPEG-2 systems, or for conversion of MPEG-2 inputs to MPEG-4 for bandwidth savings. Audio transcoding includes AAC, MP2 and AC-3 – any to any. HD to SD downconversion is also supported. The unit supports 4 HD to 4 HD or 8 HD to 8 SD or 8 SD to 8 SD input streams. The input has 6 ASI input ports and up to 8 IP streams. The IP input can be MPTS or SPTS. Output is available as MPTS on ASI, MPTS on IP or up to 8 IP SPTS streams.


  • 4 HD or 8 SD input programs
  • MPEG-2 to MPEG-4/H.264 transcoding
  • MPEG-4/H.264 to MPEG-2 transcoding
  • AC-3 / MPEG-1 Layer II / AAC – any to any transcoding
  • HD to SD downconversion
  • 1080i to 720p
  • CBR and VBR rate control
  • Null packet stuffing or filtering
  • IP input MPTS or SPTS
  • IP output MPTS or SPTS
  • 6 ASI inputs
  • ASI MPTS outputs or 1 SPTS output
  • 8 channels audio transcoding
    2 audio per HD
    1 audio per SD
  • Additional audio pass-through
  • Closed captions supported