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    "abstract": "This RDD provides the specification for implementing an MXF OP-1b file that encapsulates AVC Long GOP and AVC Intra VBR video essence, uncompressed PCM audio essence in chunk, and data essence originally carried in ancillary packets. — This document specifies the structure of the MXF OP-1b file, partitioning, Essence Containers, and the implementations of the Header Metadata and Index Table.",
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      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08262015 STANDARDS REVISED DEPOSIT/rdd-26-2015/rdd26-2015.xml)",
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      "updated": "2026-05-12T21:55:08.837Z"
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    "approvalDate": "2015-05-06",
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      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08262015 STANDARDS REVISED DEPOSIT/rdd-26-2015/rdd26-2015.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.837Z"
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      "holder": "Society of Motion Picture and Television Engineers, Inc.",
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        "confidence": "high",
        "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08262015 STANDARDS REVISED DEPOSIT/rdd-26-2015/rdd26-2015.xml)",
        "source": "parsed",
        "updated": "2026-05-12T21:55:08.837Z"
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      "year": "2015",
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        "confidence": "high",
        "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08262015 STANDARDS REVISED DEPOSIT/rdd-26-2015/rdd26-2015.xml)",
        "source": "parsed",
        "updated": "2026-05-12T21:55:08.837Z"
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    "copyright$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08262015 STANDARDS REVISED DEPOSIT/rdd-26-2015/rdd26-2015.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.837Z"
    },
    "docId": "SMPTE.RDD26.2015",
    "docId$meta": {
      "confidence": "high",
      "note": "Calculated from parsed/inferred metadata",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://pub.smpte.org/doc/rdd26/20150506-pub/",
      "updated": "2025-10-08T18:56:19.451Z"
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      "confidence": "high",
      "note": "Constructed from parsed/inferred typenumber/number/date",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://pub.smpte.org/doc/rdd26/20150506-pub/",
      "updated": "2025-10-08T18:56:19.451Z"
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    "docNumber": "26",
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      "confidence": "high",
      "note": "Parsed from HTML pubNumber meta tag",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://pub.smpte.org/doc/rdd26/20150506-pub/",
      "updated": "2025-10-08T18:56:19.451Z"
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    "docTitle": "MXF OP-1b Specification for AVC with Chunk Audio",
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      "confidence": "high",
      "note": "Concatenated suite title and publication title",
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      "source": "parsed",
      "sourceUrl": "https://pub.smpte.org/doc/rdd26/20150506-pub/",
      "updated": "2025-10-08T18:56:19.451Z"
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      "confidence": "high",
      "note": "Publication type parsed from HTML",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://pub.smpte.org/doc/rdd26/20150506-pub/",
      "updated": "2025-10-08T18:56:19.451Z"
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      "confidence": "medium",
      "note": "Constructed from parsed/inferred type/date",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://pub.smpte.org/doc/rdd26/20150506-pub/",
      "updated": "2025-10-08T18:56:19.451Z"
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    "familyId": "26",
    "familyId$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08262015 STANDARDS REVISED DEPOSIT/rdd-26-2015/rdd26-2015.xml)",
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      "updated": "2026-05-12T21:55:08.837Z"
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      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08262015 STANDARDS REVISED DEPOSIT/rdd-26-2015/rdd26-2015.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.837Z"
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      "confidence": "high",
      "note": "URL generated and verified via redirect resolution",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://pub.smpte.org/doc/rdd26/20150506-pub/",
      "updated": "2025-10-08T18:56:19.451Z"
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    "icsCodes": [
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        "code": "33.160.99",
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      },
      {
        "code": "33.170",
        "description": "Television and radio broadcasting"
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      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08262015 STANDARDS REVISED DEPOSIT/rdd-26-2015/rdd26-2015.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.837Z"
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      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08262015 STANDARDS REVISED DEPOSIT/rdd-26-2015/rdd26-2015.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.837Z"
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      "Networking and Broadcast Technologies",
      "File Formats",
      "Audio",
      "Compression",
      "MXF",
      "Sound",
      "MPEG",
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      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08262015 STANDARDS REVISED DEPOSIT/rdd-26-2015/rdd26-2015.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.837Z"
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      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08262015 STANDARDS REVISED DEPOSIT/rdd-26-2015/rdd26-2015.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.837Z"
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      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08262015 STANDARDS REVISED DEPOSIT/rdd-26-2015/rdd26-2015.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.837Z"
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      "confidence": "high",
      "note": "Parsed from HTML pubDateTime meta tag",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://pub.smpte.org/doc/rdd26/20150506-pub/",
      "updated": "2025-10-08T18:56:19.451Z"
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      "confidence": "high",
      "note": "Parsed from HTML publisher meta tag",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://pub.smpte.org/doc/rdd26/20150506-pub/",
      "updated": "2025-10-08T18:56:19.451Z"
    },
    "publisherLocation": {
      "city": "White Plains, NY",
      "city$meta": {
        "confidence": "high",
        "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08262015 STANDARDS REVISED DEPOSIT/rdd-26-2015/rdd26-2015.xml)",
        "source": "parsed",
        "updated": "2026-05-12T21:55:08.837Z"
      },
      "country": "USA",
      "country$meta": {
        "confidence": "high",
        "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08262015 STANDARDS REVISED DEPOSIT/rdd-26-2015/rdd26-2015.xml)",
        "source": "parsed",
        "updated": "2026-05-12T21:55:08.837Z"
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    },
    "publisherLocation$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08262015 STANDARDS REVISED DEPOSIT/rdd-26-2015/rdd26-2015.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.837Z"
    },
    "references": {
      "normative": [
        "SMPTE.ST377-1.2011",
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        "SMPTE.ST381-2.2011",
        "SMPTE.ST381-3.2013",
        "SMPTE.ST382.2007",
        "SMPTE.ST391.2004",
        "SMPTE.ST436-1.2013",
        "SMPTE.RP210",
        "SMPTE.RP224"
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        "confidence": "high",
        "note": "Extracted from sibling -ref.xml via extractSmpteSourceRefs.js",
        "source": "parsed",
        "updated": "2026-05-18T22:49:51.525Z"
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      "confidence": "high",
      "note": "Release tag parsed from URL folder structure",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://pub.smpte.org/doc/rdd26/20150506-pub/",
      "updated": "2025-10-08T18:56:19.451Z"
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    "resolvedHref": "https://pub.smpte.org/doc/rdd26/20150506-pub/",
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      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": "https://my.smpte.org/s/product-details?id=a1BVR0000007NZl",
      "overridden": true,
      "source": "resolved",
      "updated": "2025-10-30T22:49:23.282Z",
      "version": "extractDocs.js@commit:ee2844fb1cf2"
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      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08262015 STANDARDS REVISED DEPOSIT/rdd-26-2015/rdd26-2015.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.837Z"
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        "confidence": "high",
        "note": "Calculated from the releaseTag(s) and other status values",
        "originalValue": null,
        "source": "resolved",
        "updated": "2025-10-08T18:56:19.451Z"
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        "confidence": "high",
        "note": "Parsed from wrapper #amendments",
        "originalValue": null,
        "source": "parsed",
        "updated": "2025-10-08T18:56:19.451Z"
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        "confidence": "high",
        "note": "Calculated from the releaseTag(s)",
        "originalValue": null,
        "source": "resolved",
        "updated": "2025-10-08T18:56:19.451Z"
      },
      "superseded": false,
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        "confidence": "high",
        "note": "Calculated from the releaseTag(s)",
        "originalValue": null,
        "source": "resolved",
        "updated": "2025-10-08T18:56:19.451Z"
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