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This standard defines a standard for interoperation of digital television closed-caption (DTVCC) data server devices and video encoders. The caption data server devices provide partially-formatted EIA 708 data to the video encoders using the request/response protocol and interface defined in this standard. The video encoder completes the formatting and includes the EIA 708 data in the video elementary stream picture-level user_data field. This standard describes an interface for transmission of DTVCC data from a caption server to video encoder.

Product Details

Published:

01/01/1999

File Size:

1 file , 33 KB