{
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  "document": {
    "abstract": "The discussion on future digital TV services puts some requirements on the design of the next generation of TV receivers. For quite some transition period they must be able to receive both (Analogue as well as digital services).",
    "abstract$meta": {
      "confidence": "high",
      "note": "Backfilled from SMPTE canonical repository (smpte-canonical-audit/canonicalLibrary.*.json)",
      "originalValue": null,
      "source": "parsed",
      "updated": "2026-07-08T00:35:38.133Z",
      "version": "smpte-canonical-repo@v1"
    },
    "authors": [
      {
        "affiliation": "Thomson Consumer Electronics",
        "name": "M. Artigalas"
      },
      {
        "affiliation": "Thomson Consumer Electronics",
        "name": "D. Westerkamp"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Object form (schema 2.3.0) migrated from string form via migrateAuthorsToObjectForm.js; bio/affiliation backfilled from _source/SMPTE/HIGHWIRE/ NLM <contrib-group>+<aff>+<bio>",
      "source": "parsed",
      "updated": "2026-06-23T00:04:25.562Z",
      "version": "authors-migrate-object-form@v1"
    },
    "contentType": "orig-research",
    "contentType$meta": {
      "confidence": "high",
      "note": "Canonical-confirmed full paper (summary-abstract set is orig-research in the SMPTE canonical repos); HIGHWIRE-era abstract label was a delivery artifact",
      "originalValue": "summary-abstract",
      "source": "resolved",
      "updated": "2026-07-09T19:12:47.628Z",
      "version": "contenttype-fixes@v1"
    },
    "copyright": {
      "holder": "Society of Motion Picture and Television Engineers, Inc.",
      "holder$meta": {
        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/ORIGINAL SAMPLES/Conferences/smptem_1994_1/smptem_1994_1.xml/10.5594_M001287.xml)",
        "source": "parsed",
        "updated": "2026-05-22T21:44:19.125Z",
        "version": "smpte-conference-paper-nlm@v1"
      },
      "year": "1994",
      "year$meta": {
        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/ORIGINAL SAMPLES/Conferences/smptem_1994_1/smptem_1994_1.xml/10.5594_M001287.xml)",
        "source": "parsed",
        "updated": "2026-05-22T21:44:19.125Z",
        "version": "smpte-conference-paper-nlm@v1"
      }
    },
    "copyright$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/ORIGINAL SAMPLES/Conferences/smptem_1994_1/smptem_1994_1.xml/10.5594_M001287.xml)",
      "source": "parsed",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
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    "docId": "10.5594-M001287",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from DOI 10.5594/M001287",
      "source": "parsed",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
    },
    "docLabel": "SMPTE Meetings and Conferences ( January 1994)",
    "docLabel$meta": {
      "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"
    },
    "docTitle": "Receiver Characteristics",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/ORIGINAL SAMPLES/Conferences/smptem_1994_1/smptem_1994_1.xml/10.5594_M001287.xml)",
      "source": "parsed",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
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    "docType": "Conference Paper",
    "docType$meta": {
      "confidence": "high",
      "note": "NLM <article> — SMPTE conference paper",
      "source": "inferred",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
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    "doi": "10.5594/M001287",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/ORIGINAL SAMPLES/Conferences/smptem_1994_1/smptem_1994_1.xml/10.5594_M001287.xml)",
      "source": "parsed",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
    },
    "href": "https://doi.org/10.5594/M001287",
    "href$meta": {
      "confidence": "high",
      "note": "Constructed from DOI 10.5594/M001287",
      "source": "inferred",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
    },
    "number": "1",
    "number$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/ORIGINAL SAMPLES/Conferences/smptem_1994_1/smptem_1994_1.xml/10.5594_M001287.xml)",
      "source": "parsed",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
    },
    "pages": "87–93",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/ORIGINAL SAMPLES/Conferences/smptem_1994_1/smptem_1994_1.xml/10.5594_M001287.xml)",
      "source": "parsed",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
    },
    "publicationDate": "1994-01-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Day absent in NLM source — padded to 01",
      "source": "parsed",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
    },
    "publisher": "SMPTE",
    "publisher$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"
    },
    "publisherLocation": {
      "city": "White Plains, NY",
      "city$meta": {
        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/ORIGINAL SAMPLES/Conferences/smptem_1994_1/smptem_1994_1.xml/10.5594_M001287.xml)",
        "source": "parsed",
        "updated": "2026-05-22T21:44:19.125Z",
        "version": "smpte-conference-paper-nlm@v1"
      }
    },
    "publisherLocation$meta": {
      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/ORIGINAL SAMPLES/Conferences/smptem_1994_1/smptem_1994_1.xml/10.5594_M001287.xml)",
      "source": "parsed",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
    },
    "resolvedHref": "https://journal.smpte.org/conferences/ITU/SMPTE%20Tutorial%20on%20Digital%20Terrestrial%20Broadcasting%20(DTTB)/12/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Backfilled from url.validate report #resolvedHref",
      "originalValue": null,
      "source": "resolved",
      "updated": "2026-06-19T20:59:07.438Z"
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    "status": {
      "active": true,
      "active$meta": {
        "confidence": "medium",
        "note": "No explicit status in NLM source — conference papers default active",
        "source": "inferred",
        "updated": "2026-05-22T21:44:19.125Z",
        "version": "smpte-conference-paper-nlm@v1"
      }
    },
    "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_M001287.xml)",
      "source": "parsed",
      "updated": "2026-05-22T21:44:19.125Z",
      "version": "smpte-conference-paper-nlm@v1"
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}