Softel
Softel website: http://www.softelgroup.com
Softel specialises in ancillary data, providing solutions for subtitling and captioning as well as ad insertion, Teletext and audio-description. The Softel Swift family of subtitling and captioning software provides a complete end-to-end solution that performs a whole range of caption and subtitle processes including creation, repurposing, encoding, transcoding, insertion & transmission.