DirectToAir Screen Capture to DTV

DirectToAir is a software based solution that allows to generate a transport stream directly from images and audio of your computer.
The generated stream can be viewed on any modern Television Set (DekTec modulation board required).

The output configuration is done on its windows GUI allowing to select the output modulation frequency as well as several encoding parameters. You can also customise the channel description of the DVB service as well as its logical channel number (LCN), etc…

Specifications    Screenshot    References


  • DVI / HDMI / VGA
  • Audio card


  • Underscan
  • Dynamic Scaling
  • Cropping

Video Encoding

  • Progressive
  • Ratios: 4:3 / 16:9
  • Formats: PAL / NTSC
  • MPEG-2 (SD/HD)
  • H.264 MP (SD/HD)

Audio Encoding

  • Stereo, Mono Modes
  • Sampling: 32 KHz, 48 KHz
  • MPEG-1 Layer 2, AAC, AAC+, eAAC+


IP Interface

  • UDP/IP unicast or multicast

COFDM Interface (Digital terrestrial)

  • 30-1002 MHz
  • MER > 40 DB, -35..-12 dBm, 75-Ohms “F”

ASI Interface

  • TS-188, EN 50083-9, 75-Ohms BNC
Specifications    Screenshot    References

DirectToAir Capture d'écran

Specifications    Screenshot     References
  • Chooz Cityhall (Local TV)
  • EMSAT (Motor Race chronometer distribution to the paddocks)