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    "abstract": "It might be asked, why am I here and why does Australia, a country of 7,682,300 square kilometers (2,966,138 square miles) that is, about as big as the continental U.S., but with a population of only about 18 million, take such an active part in DTTB studies? The answer is national interest — the same force that is driving European, Japanese, and North American developments in HDTV and Advanced TV systems.",
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      "confidence": "high",
      "note": "Backfilled from SMPTE canonical repository (smpte-canonical-audit/canonicalLibrary.*.json)",
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    "authors": [
      {
        "affiliation": "Department of Transport and Communications Australia",
        "name": "Keith G. Malcolm"
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      "confidence": "high",
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      "note": "Title review 2026-07-09: not a research paper — reclassified 'discussion'",
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      "updated": "2026-07-09T19:12:47.628Z",
      "version": "contenttype-fixes@v1"
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    "copyright": {
      "holder": "Society of Motion Picture and Television Engineers, Inc.",
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        "confidence": "high",
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        "source": "parsed",
        "updated": "2026-05-22T21:44:19.125Z",
        "version": "smpte-conference-paper-nlm@v1"
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      "year": "1994",
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        "confidence": "high",
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        "source": "parsed",
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        "version": "smpte-conference-paper-nlm@v1"
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    "copyright$meta": {
      "confidence": "high",
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      "source": "parsed",
      "updated": "2026-05-22T21:44:19.125Z",
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    "docId": "10.5594-M001286",
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      "confidence": "high",
      "note": "Derived from DOI 10.5594/M001286",
      "source": "parsed",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
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    "docLabel": "SMPTE Meetings and Conferences ( January 1994)",
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      "confidence": "medium",
      "note": "Composed from venue title, volume/issue and date",
      "source": "inferred",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
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    "docTitle": "ITU/SMPTE Tutorial Workshop on Digital Terrestrial Television Broadcasting Panel Discussion Opening Remarks",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/ORIGINAL SAMPLES/Conferences/smptem_1994_1/smptem_1994_1.xml/10.5594_M001286.xml)",
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      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
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    "docType": "Conference Paper",
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      "confidence": "high",
      "note": "NLM <article> — SMPTE conference paper",
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      "updated": "2026-05-22T21:44:19.125Z",
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    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/ORIGINAL SAMPLES/Conferences/smptem_1994_1/smptem_1994_1.xml/10.5594_M001286.xml)",
      "source": "parsed",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
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      "confidence": "high",
      "note": "Constructed from DOI 10.5594/M001286",
      "source": "inferred",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
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    "number": "1",
    "number$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/ORIGINAL SAMPLES/Conferences/smptem_1994_1/smptem_1994_1.xml/10.5594_M001286.xml)",
      "source": "parsed",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
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    "pages": "85–86",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/ORIGINAL SAMPLES/Conferences/smptem_1994_1/smptem_1994_1.xml/10.5594_M001286.xml)",
      "source": "parsed",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
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    "publicationDate": "1994-01-01",
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      "confidence": "high",
      "note": "Day absent in NLM source — padded to 01",
      "source": "parsed",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
    },
    "publisher": "SMPTE",
    "publisher$meta": {
      "confidence": "high",
      "note": "Normalised to registry \"SMPTE\" convention from NLM publisher-name (The Society of Motion Picture and Television Engineers)",
      "source": "inferred",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
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    "publisherLocation": {
      "city": "White Plains, NY",
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        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/ORIGINAL SAMPLES/Conferences/smptem_1994_1/smptem_1994_1.xml/10.5594_M001286.xml)",
        "source": "parsed",
        "updated": "2026-05-22T21:44:19.125Z",
        "version": "smpte-conference-paper-nlm@v1"
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    "publisherLocation$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/ORIGINAL SAMPLES/Conferences/smptem_1994_1/smptem_1994_1.xml/10.5594_M001286.xml)",
      "source": "parsed",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
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    "resolvedHref": "https://journal.smpte.org/conferences/ITU/SMPTE%20Tutorial%20on%20Digital%20Terrestrial%20Broadcasting%20(DTTB)/11/",
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      "confidence": "high",
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      "originalValue": null,
      "source": "resolved",
      "updated": "2026-06-19T20:59:07.438Z"
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      "active$meta": {
        "confidence": "medium",
        "note": "No explicit status in NLM source — conference papers default active",
        "source": "inferred",
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        "version": "smpte-conference-paper-nlm@v1"
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    "volume": "1994",
    "volume$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/ORIGINAL SAMPLES/Conferences/smptem_1994_1/smptem_1994_1.xml/10.5594_M001286.xml)",
      "source": "parsed",
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