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    "abbrevTitle": "Transactions of the Society of Motion Picture Engineers",
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    "abstract": "Although as far back as 1900 I first dreamed of some day building a new phonograph in which the photographic emulsion should replace wax, and a ray of light the steel or sapphire needle, yet it was not until 1918 that my attention was really focused on the field of talking pictures, or more broadly of recording sound by photographic means.",
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      "confidence": "high",
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    "authors": [
      "Lee de Forest"
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J06629.xml)",
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      "updated": "2026-05-22T19:19:44.900Z",
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      "holder": "Society of Motion Picture and Television Engineers, Inc.",
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        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J06629.xml)",
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      "year": "1926",
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        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J06629.xml)",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J06629.xml)",
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      "updated": "2026-05-22T19:19:44.900Z",
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    "docTitle": "Recent Developments in “The Phonofilm”",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J06629.xml)",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J06629.xml)",
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      "updated": "2026-05-22T19:19:44.900Z",
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      "confidence": "high",
      "note": "Constructed from DOI 10.5594/J06629",
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      "updated": "2026-05-22T19:19:44.900Z",
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        "confidence": "high",
        "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J06629.xml)",
        "source": "parsed",
        "updated": "2026-05-22T19:19:44.900Z",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J06629.xml)",
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      "updated": "2026-05-22T19:19:44.900Z",
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      "confidence": "high",
      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/08182015 BACKFILE JOURNAL FRESH/smptej_10_27/MIJR15Vol10No27.xml)",
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    "number": "27",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J06629.xml)",
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      "updated": "2026-05-22T19:19:44.900Z",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J06629.xml)",
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      "confidence": "high",
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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_J06629.xml)",
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        "updated": "2026-05-22T19:19:44.900Z",
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      "country": "USA",
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        "confidence": "high",
        "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/08182015 BACKFILE JOURNAL FRESH/smptej_10_27/MIJR15Vol10No27.xml)",
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      "confidence": "high",
      "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J06629.xml)",
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      "updated": "2026-05-22T19:19:44.900Z",
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        "confidence": "medium",
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      "confidence": "high",
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