希望对研究CC的人有点用
CEA Standards
EIA-608-B Line 21 Data Services October 2000
EIA-708-B Digital Television Closed Captioning December 1999
EIA-CEB8 Consideration of EIA-608-B Data Within October 2000
The DTV (EIA-708-B) Construct
Available through Global Engineering Documents
<http://www.global.ihis.com>
SMPTE Standards
SMPTE 333M-1999 Television - DTV Closed-Caption Server to Encoder Interface (24.00)
SMPTE 334M-2000 Television - Vertical Ancillary Data Mapping for
Bit-Serial Interface (20.00)
SMPTE 341M-2000 Television - Format for Non-PCM Audio and Data in an AES3 -- Captioning Data Type (15.00)
(also see SMPTE 337M through 340M)
Contact SMPTE at (914 ) 761 - 1100