Method and system for communicating descriptive data in a television broadcast system

摘要

A method and system for communicating text descriptive data has a receiving device that receives a data signal having text description data corresponding to a description of a video signal. A text-to-speech converter associated with the receiving device converts the text description data to a first audio signal. A display device in communication with the text-to-speech converter converts the first audio signal associated with the receiving device to an audible signal.

主权项

1. A method comprising:
communicating a video signal and a broadcast audio signal to a receiving device, said video signal comprising a time code associated therewith; generating a digital data signal in digital packets that comprise a digital packet header portion, a time code trigger and a text descriptive portion that comprises text description data corresponding to a description of the video signal; communicating the digital data signal to the receiving device; converting the text description data to a first audio signal; combining the first audio signal with the broadcast audio signal associated with the video signal to form a combined audio signal when a time code of the video signal corresponding to the trigger is reached; converting the combined audio signal into a first audible signal at a display device associated with the receiving device.