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  "docId": "SMPTE.RP134.1994",
  "document": {
    "abstract": "(1.1) This practice specifies the polarity of the signal on the pin connections from a microphone presented with a positive pressure on the diaphragm. It also specifies the resulting positive magnetization when the positive microphone signal is recorded on any magnetic media. (1.2) This practice also specifies how this positive magnetization should be played back and fed through a reproducing system to provide a positive sound pressure from the loudspeaker.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_rp-134-1994_1/rp0134-1994_stable2010.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.815Z"
    },
    "approvalDate": "1994",
    "approvalDate$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_rp-134-1994_1/rp0134-1994_stable2010.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.815Z"
    },
    "copyright": {
      "holder": "Society of Motion Picture and Television Engineers, Inc.",
      "holder$meta": {
        "confidence": "high",
        "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_rp-134-1994_1/rp0134-1994_stable2010.xml)",
        "source": "parsed",
        "updated": "2026-05-12T21:55:08.815Z"
      },
      "year": "1994",
      "year$meta": {
        "confidence": "high",
        "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_rp-134-1994_1/rp0134-1994_stable2010.xml)",
        "source": "parsed",
        "updated": "2026-05-12T21:55:08.815Z"
      }
    },
    "copyright$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_rp-134-1994_1/rp0134-1994_stable2010.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.815Z"
    },
    "docId": "SMPTE.RP134.1994",
    "docId$meta": {
      "confidence": "high",
      "note": "Calculated from parsed/inferred metadata",
      "originalValue": null,
      "source": "manual",
      "sourceUrl": "https://pub.smpte.org/doc/rp134/19940112-pub/",
      "updated": "2025-10-30T00:00:00Z"
    },
    "docLabel": "SMPTE RP 134:1994",
    "docLabel$meta": {
      "confidence": "medium",
      "source": "manual",
      "updated": "2025-07-01T00:00:00Z"
    },
    "docNumber": "134",
    "docNumber$meta": {
      "confidence": "medium",
      "source": "manual",
      "updated": "2025-07-01T00:00:00Z"
    },
    "docTitle": "Polarity for Analog Audio Magnetic Recording and Reproduction",
    "docTitle$meta": {
      "confidence": "medium",
      "source": "manual",
      "updated": "2025-07-01T00:00:00Z"
    },
    "docType": "Recommended Practice",
    "docType$meta": {
      "confidence": "medium",
      "source": "manual",
      "updated": "2025-07-01T00:00:00Z"
    },
    "doi": "10.5594/SMPTE.RP134.1994",
    "doi$meta": {
      "confidence": "medium",
      "source": "manual",
      "updated": "2025-07-01T00:00:00Z"
    },
    "familyId": "134",
    "familyId$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_rp-134-1994_1/rp0134-1994_stable2010.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.815Z"
    },
    "group": "smpte-10e-tc",
    "group$meta": {
      "confidence": "medium",
      "source": "manual",
      "updated": "2025-07-01T00:00:00Z"
    },
    "href": "https://doi.org/10.5594/SMPTE.RP134.1994",
    "href$meta": {
      "confidence": "medium",
      "source": "manual",
      "updated": "2025-07-01T00:00:00Z"
    },
    "icsCodes": [
      {
        "code": "33.160.01",
        "description": "Audio, video and audiovisual systems in general"
      },
      {
        "code": "33.160.30",
        "description": "Audio systems"
      },
      {
        "code": "33.170",
        "description": "Television and radio broadcasting"
      }
    ],
    "icsCodes$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_rp-134-1994_1/rp0134-1994_stable2010.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.815Z"
    },
    "isbn": "978-1-61482-154-0",
    "isbn$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_rp-134-1994_1/rp0134-1994_stable2010.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.815Z"
    },
    "keywords": [
      "Communication",
      "Networking and Broadcast Technologies",
      "Recording",
      "Television",
      "Magnetic"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_rp-134-1994_1/rp0134-1994_stable2010.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.815Z"
    },
    "pages": "1–2",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_rp-134-1994_1/rp0134-1994_stable2010.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.815Z"
    },
    "productNumber": "SSD001155",
    "productNumber$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_rp-134-1994_1/rp0134-1994_stable2010.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.815Z"
    },
    "publicationDate": "1994-01-12",
    "publicationDate$meta": {
      "confidence": "medium",
      "source": "manual",
      "updated": "2025-07-01T00:00:00Z"
    },
    "publisher": "SMPTE",
    "publisher$meta": {
      "confidence": "medium",
      "source": "manual",
      "updated": "2025-07-01T00:00:00Z"
    },
    "publisherLocation": {
      "city": "White Plains, NY",
      "city$meta": {
        "confidence": "high",
        "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_rp-134-1994_1/rp0134-1994_stable2010.xml)",
        "source": "parsed",
        "updated": "2026-05-12T21:55:08.815Z"
      },
      "country": "USA",
      "country$meta": {
        "confidence": "high",
        "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_rp-134-1994_1/rp0134-1994_stable2010.xml)",
        "source": "parsed",
        "updated": "2026-05-12T21:55:08.815Z"
      }
    },
    "publisherLocation$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_rp-134-1994_1/rp0134-1994_stable2010.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.815Z"
    },
    "releaseTag": "19940112-pub",
    "releaseTag$meta": {
      "confidence": "high",
      "note": "Release tag parsed from URL folder structure",
      "originalValue": null,
      "source": "parsed",
      "updated": "2025-10-12T05:19:32.324Z"
    },
    "resolvedHref": "https://pub.smpte.org/doc/rp134/19940112-pub/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": "https://my.smpte.org/s/product-details?id=a1BVR0000007NaK",
      "overridden": true,
      "source": "resolved",
      "updated": "2025-10-30T22:50:20.714Z",
      "version": "extractDocs.js@commit:ee2844fb1cf2"
    },
    "standardId": "20284",
    "standardId$meta": {
      "confidence": "high",
      "note": "Parsed from sibling XML (_source/SMPTE/APTARA/DL Project Files/08252015 STANDARDS REVISED DEPOSIT/smptes_rp-134-1994_1/rp0134-1994_stable2010.xml)",
      "source": "parsed",
      "updated": "2026-05-12T21:55:08.815Z"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "medium",
        "source": "manual",
        "updated": "2025-07-01T00:00:00Z"
      },
      "amended": false,
      "amended$meta": {
        "confidence": "high",
        "note": "Parsed from wrapper #amendments",
        "originalValue": null,
        "source": "parsed",
        "updated": "2025-10-12T05:19:32.324Z"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Calculated from the releaseTag(s)",
        "originalValue": null,
        "source": "resolved",
        "updated": "2025-10-12T05:19:32.324Z"
      },
      "stabilized": true,
      "stabilized$meta": {
        "confidence": "medium",
        "source": "manual",
        "updated": "2025-07-01T00:00:00Z"
      },
      "stabilizedDate": "2004-07-01",
      "stabilizedDate$meta": {
        "confidence": "medium",
        "source": "manual",
        "updated": "2025-07-01T00:00:00Z"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Calculated from the releaseTag(s)",
        "originalValue": null,
        "source": "resolved",
        "updated": "2025-10-12T05:19:32.324Z"
      }
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}