Websubdub - Experimental System For Creating High-Quality Alternative Audio Track For Tv Broadcasting

This paper deals with a presentation of an experimental system (called WebSubDub) for creating a high-quality alternative audio track for TV broadcasting. The system is used to create subtitles for TV shows in such a format which allows to automatically generate an alternative audio track with multiple voices employing a specially adapted TTS system. This alternative audio track is intended for televiewers with slight hearing impairments, i.e. for a group of televiewers who encounter issues when perceiving the original audio track especially dialogues with background music. background noise or emotional speech. The system was developed in cooperation with Czech television, the public service broadcaster in the Czech Republic.