Composition Application Identification The ApplicationIdentification element, as specified in SMPTE ST 2067-2, shall include exactly one instance of the value listed in Table 4 below. The ApplicationIdentification element shall additionally include a value that identifies compliance with the ProRes IMF Application document. Table 4. Application Identification tag:dpp.com,2017:imf:PILOTSPECIFICATIONxx:2017 Access Services Closed Subtitles/Captions Captions shall be delivered as an IMF package as an IMSC1.0 constrained TTML document encapsulated in MXF. The IMSC1.0 shall additionally be constrained to meet the requirements of EBU-TT (EBU-Tech 3350/3390). If EBU STL (EBU-Tech 3264) is to be carried in addition to the IMSC1.0 TTML, it shall be encapsulated as an MXF Track File according to SMPTE ST 2075. Audio Description (AD) / Described Video Service (DVS) Need some re use of additional audio track files detail will be in the operational guidance document – Option 1 fully rendered Soundfield(s)/Groups/ – Option 2 clean voice and control (requires SMPTE reference - possibly IMFUG discussion if needed) – Open Signing Need some words re use supplemental package detail will be in the operational document – Option 1 Fully rendered supplementary – Option 2 Overlay – Bibliography TBD _______________________________________
Composition Application Identification The ApplicationIdentification element, as specified in SMPTE ST 2067-2, shall include exactly one instance of the value listed in Table 4 below. The ApplicationIdentification element shall additionally include a value that identifies compliance with the ProRes IMF Application document. Table 4. Application Identification tag:dpp.com,2017:imf:PILOTSPECIFICATIONxx:2017 Access Services Closed Subtitles/Captions Captions shall be delivered as an IMF package as an IMSC1.0 constrained TTML document encapsulated in MXF. The IMSC1.0 shall additionally be constrained to meet the requirements of EBU-TT (EBU-Tech 3350/3390). If EBU STL (EBU-Tech 3264) is to be carried in addition to the IMSC1.0 TTML, it shall be encapsulated as an MXF Track File according to SMPTE ST 2075. Audio Description (AD) / Described Video Service (DVS) Need some re use of additional audio track files – detail will be in the operational guidance document Option 1 – fully rendered Soundfield(s)/Groups/ Option 2 – clean voice and control (requires SMPTE reference - possibly IMFUG discussion if needed) Open Signing Need some words re use supplemental package – detail will be in the operational document Option 1 – Fully rendered supplementary Option 2 – Overlay Bibliography TBD _______________________________________
DPP_SP_IMF_APP_CONSTRAINTS_DRAFT_V2.0.docx