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    "abbrevTitle": "SMPTE Mot. Imag J.",
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      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/06042015 PROGRAMMATICALLY CONVERTED SAMPLES/Journals/smptej_5_13/MIJR15Vol5No13.xml)",
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    "abstract": "The photographic emulsion is the basis of the moving picture. Two emulsions of course are necessary—the negative and the positive. The negative emulsion must be exceedingly fast, that is to say it must be very sensitive to light; it must be orthochromatic or color-sensitized and be capable of rendering faithfully all the tones of the scene photographed without sacrificing any detail in highlights or shadow, consequently it must have considerable latitude and be an emulsion of comparatively low contrast. The positive emulsion is slow and must be capable of reproducing all that is in the negative, and at the same time must have the possibility of developing to full rich blacks in order to have proper projection value, therefore it is an emulsion of considerably higher contrast than the negative.",
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      "confidence": "high",
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      "version": "smpte-journal-issue-xml@v1"
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      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J12481.xml)",
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      "updated": "2026-05-22T20:40:11.684Z",
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    "authors": [
      "Alfred B. Hitchins"
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J12481.xml)",
      "source": "parsed",
      "updated": "2026-05-22T20:40:11.684Z",
      "version": "smpte-journal-article-nlm@v1"
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    "copyright": {
      "holder": "Society of Motion Picture and Television Engineers, Inc.",
      "holder$meta": {
        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J12481.xml)",
        "source": "parsed",
        "updated": "2026-05-22T20:40:11.684Z",
        "version": "smpte-journal-article-nlm@v1"
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      "year": "1921",
      "year$meta": {
        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J12481.xml)",
        "source": "parsed",
        "updated": "2026-05-22T20:40:11.684Z",
        "version": "smpte-journal-article-nlm@v1"
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    },
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J12481.xml)",
      "source": "parsed",
      "updated": "2026-05-22T20:40:11.684Z",
      "version": "smpte-journal-article-nlm@v1"
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      "updated": "2026-05-22T20:40:11.684Z",
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    "docLabel": "Transactions of the Society of Motion Picture Engineers ( Volume: 5, Issue: 13, 1921)",
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      "confidence": "medium",
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      "updated": "2026-05-22T20:40:11.684Z",
      "version": "smpte-journal-article-nlm@v1"
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    "docTitle": "Testing and Maintaining Photographic Quality of Cinematographic Emulsions",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J12481.xml)",
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      "updated": "2026-05-22T20:40:11.684Z",
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      "note": "NLM <article> — SMPTE journal paper",
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      "updated": "2026-05-22T20:40:11.684Z",
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    "doi": "10.5594/J12481",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J12481.xml)",
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      "updated": "2026-05-22T20:40:11.684Z",
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    "href": "https://doi.org/10.5594/J12481",
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      "confidence": "high",
      "note": "Constructed from DOI 10.5594/J12481",
      "source": "inferred",
      "updated": "2026-05-22T20:40:11.684Z",
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      "print": "0096-6460",
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        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J12481.xml)",
        "source": "parsed",
        "updated": "2026-05-22T20:40:11.684Z",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J12481.xml)",
      "source": "parsed",
      "updated": "2026-05-22T20:40:11.684Z",
      "version": "smpte-journal-article-nlm@v1"
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    "journalAcronym": "MIJR",
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      "confidence": "high",
      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/06042015 PROGRAMMATICALLY CONVERTED SAMPLES/Journals/smptej_5_13/MIJR15Vol5No13.xml)",
      "source": "parsed",
      "updated": "2026-06-16T18:14:32.753Z",
      "version": "smpte-journal-issue-xml@v1"
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    "number": "13",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J12481.xml)",
      "source": "parsed",
      "updated": "2026-05-22T20:40:11.684Z",
      "version": "smpte-journal-article-nlm@v1"
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    "pages": "136–151",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J12481.xml)",
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      "confidence": "low",
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      "updated": "2026-05-22T20:40:11.684Z",
      "version": "smpte-journal-article-nlm@v1"
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      "confidence": "high",
      "note": "Normalised to registry \"SMPTE\" convention from NLM publisher-name (The Society of Motion Picture and Television Engineers)",
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        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J12481.xml)",
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        "updated": "2026-05-22T20:40:11.684Z",
        "version": "smpte-journal-article-nlm@v1"
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      "country": "USA",
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        "confidence": "high",
        "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/06042015 PROGRAMMATICALLY CONVERTED SAMPLES/Journals/smptej_5_13/MIJR15Vol5No13.xml)",
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        "updated": "2026-06-16T18:14:32.753Z",
        "version": "smpte-journal-issue-xml@v1"
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J12481.xml)",
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      "updated": "2026-05-22T20:40:11.684Z",
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        "confidence": "medium",
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        "updated": "2026-05-22T20:40:11.684Z",
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    "volume": "5",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J12481.xml)",
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