MacCaption and CaptionMaker software create HD closed captions files for users of Avid Media Composer 5.0, Symphony 5.0, and Newscutter 9.0, or later versions. You can create the Avid AAF file using either PC or Mac, and any AAF file can be used on either PC or Mac based Avid systems.

See our captioning comparison chart to find the configuration that’s right for you.

How it Works

Telestream software generates an Avid-native AAF file that contains HD closed captions formatted for Avid Media Composer. This file is simply dropped onto the "D Track" or data track. When you play the HD sequence out through your Avid Mojo DX or Nitris DX hardware, or export a MXF or AAF file from Media Composer, the output will contain the closed captions. Our software can also generate a line 21 overlay file used to add closed captions to SD video sequences.


File-based Closed Captioning Workflows

MacCaption and CaptionMaker can embed closed captions directly into many kinds of video files for digital delivery:

  • QuickTime:
    • Line 21 onto any QuickTime video
    • QuickTime 608 SD Closed Captions
    • QuickTime DTV 608/708 HD Closed Captions
  • MPEG-2 Elementary, Program, and Transport Streams
  • MXF Files for XDCAM, Omneon and SeaChange servers
  • DVCPRO-HD QuickTime files for Omneon servers and more
  • Common closed caption formatted files such as Cheetah .CAP, SCC, MCC, etc.


MacCaption can create alpha channel subtitle videos to overlay burned-in subtitles for any NLE system.

Closed Caption DV Tape via Firewire

MacCaption and CaptionMaker can encode closed captions directly into DV QuickTime files. You can then print to DV (miniDV, DVCAM, DVCPRO) tape via Firewire using any version of Premiere Pro.

Closed Captioning for Web and Mobile Devices

MacCaption and CaptionMaker can add closed captions to any kind of web video format: Flash, QuickTime (including for iPod/iPhone/iPad/etc.), iTunes, YouTube, Windows Media.

Closed Captioning & Subtitling for DVD and Blu-ray

MacCaption and CaptionMaker can add closed captions and subtitles to DVD, Blu-ray, and most professional authoring programs.