| 1. | Clear description of the referenced document: | 
                                
                                    |  |  | 
                                
                                    | 2. | Status of approval: | 
                                
                                    |  | Approved Standard | 
                                
                                    | 3. | Justification for the specific reference: | 
                                
                                    |  | This standard defines the video coding and transport constraints on ITU-T Rec. H.264 | ISO/IEC 14496-10 video compression (hereafter called "AVC") for Cable Television. In particular, this document describes the transmission of AVC coded video elementary streams  in an MPEG-2 service multiplex (single or multi-program Transport Stream). | 
                                
                                    | 4. | Current information, if any, about IPR issues: | 
                                
                                    |  | No known issues. | 
                                
                                    | 5. | Other useful information describing the "Quality" of the document: | 
                                
                                    |  | The standard is implemented and widely deployed | 
                                
                                    | 6. | The degree of stability or maturity of the document: | 
                                
                                    |  | See item 5. | 
                                
                                    | 7. | Relationship with other existing or emerging documents: | 
                                
                                    |  | None known | 
                                
                                    | 8. | Any explicit references within that referenced document should also be listed: | 
                                
                                    |  | [1] ANSI/SCTE 54 (2006), Digital Video Service Multiplex and Transport System Standard for Cable Television. / [2] ATSC A/65C, Program and System Information Protocol for Terrestrial Broadcast and Cable, Revision C, with Amendment No. 1, May 9, 2006; Section 6.9.2. /
 [3] ISO/IEC 13818-1, (2007), “Information Technology – Generic coding of moving pictures and associated audio – Part 1: Systems.” /
 [4] ITU-T Rec. H.264 | ISO/IEC 14496-10, (2005), “Information Technology – Coding of audio visual objects – Part 10: Advanced Video Coding.”  /
 [5] CEA-608-C (2005), Line 21 Data Services. /
 [6] CEA-708-C (2006), Digital Television (DTV) Closed Captioning.  /
 [7] ATSC A/53 Part 4:2007, Digital Television Standard, MPEG-2 Video System Characteristics, 3 January  2007. /
 [8] ETSI TS 101 154 V1.8.1 Digital Video Broadcasting (DVB): Specification for the use of Video and Audio Coding in Broadcasting Applications based on the MPEG-2 Transport Stream, July, 2007.  /
 [9] SMPTE 2016-1:  Standard for Television – Format for Active Format Description and Bar Data. /
 [10] ISO/IEC 13818-2 (2000), Information Technology – Generic coding of moving pictures and associated audio - Part 2: Video
 | 
                                
                                    | 9. | Qualification of
                                        SCTE: | 
                                
                                    |  | SCTE is recognized under the provisions of ITU-T Recommendation A.5. Qualifying information is on file with TSB. | 
                                
                                    | 10. | Other (for any supplementary information): | 
                                
                                    |  | None |