{ "$schema": "/api/schemas/documents.schema.json", "apiVersion": "1.0.0", "generatedAt": "2026-07-09T21:16:49.031Z", "sourcePath": "src/main/data/docs", "docId": "10.5594-J00527", "document": { "abbrevTitle": "J SMPTE", "abbrevTitle$meta": { "confidence": "high", "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J00527.xml)", "source": "parsed", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" }, "abstract": "Broadly speaking, the fundamental picture performance of a motion picture system in one location in the world is generally the same as in any other location. Thus, international exchange of film programming is comparatively straightforward. Not so in the case of broadcast color television systems. The lack of compatibility has its origins in communications channel allocations and techniques, differences in power source characteristics, network requirements, pickup and display technology, and political considerations relating to international telecommunication agreements. A tutorial discussion is presented summarizing the NTSC, PAL, and SECAM color television system standards pointing out the basic similarities as well as main differences in areas such as bandwidths, field and frame rates, synchronizing approaches, and color encoding techniques. The intent of this material is not to compare system performances but rather to review the technical standardization characteristics pertinent to the topic of international exchange of images.", "abstract$meta": { "confidence": "high", "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J00527.xml)", "source": "parsed", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" }, "authors": [ { "affiliation": "RCA Laboratories, David Sarnoff Research Center, Princeton, NJ 08540.", "name": "D. H. Pritchard" }, { "affiliation": "RCA Laboratories, David Sarnoff Research Center, Princeton, NJ 08540.", "name": "J. J. Gibson" } ], "authors$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 ++", "source": "parsed", "updated": "2026-06-23T00:04:25.562Z", "version": "authors-migrate-object-form@v1" }, "contentType": "orig-research", "contentType$meta": { "confidence": "high", "note": "Cross-filled from SMPTE canonical repository import (smpte-canonical-audit/canonicalLibrary.*.json); previous value was a placeholder", "originalValue": "other", "source": "parsed", "updated": "2026-07-07T23:39:31.295Z", "version": "smpte-canonical-repo@v1" }, "copyright": { "holder": "Society of Motion Picture and Television Engineers, Inc.", "holder$meta": { "confidence": "high", "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J00527.xml)", "source": "parsed", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" }, "year": "1980", "year$meta": { "confidence": "high", "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J00527.xml)", "source": "parsed", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" } }, "copyright$meta": { "confidence": "high", "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J00527.xml)", "source": "parsed", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" }, "docId": "10.5594-J00527", "docId$meta": { "confidence": "high", "note": "Derived from DOI 10.5594/J00527", "source": "parsed", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" }, "docLabel": "SMPTE Journal ( Volume: 89, Issue: 2, February 1980)", "docLabel$meta": { "confidence": "medium", "note": "Composed from journal title, volume, issue and date", "source": "inferred", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" }, "docTitle": "Worldwide Color Television — Standards Similarities and Differences", "docTitle$meta": { "confidence": "high", "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J00527.xml)", "source": "parsed", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" }, "docType": "Journal Article", "docType$meta": { "confidence": "high", "note": "NLM
— SMPTE journal paper", "source": "inferred", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" }, "doi": "10.5594/J00527", "doi$meta": { "confidence": "high", "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J00527.xml)", "source": "parsed", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" }, "href": "https://doi.org/10.5594/J00527", "href$meta": { "confidence": "high", "note": "Constructed from DOI 10.5594/J00527", "source": "inferred", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" }, "issn": { "print": "0036-1682", "print$meta": { "confidence": "high", "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J00527.xml)", "source": "parsed", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" } }, "issn$meta": { "confidence": "high", "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J00527.xml)", "source": "parsed", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" }, "journalAcronym": "MIJR", "journalAcronym$meta": { "confidence": "high", "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/08202015 BACKFILE JOURNAL FRESH/smptej_89_2/MIJR15Vol89No2.xml)", "source": "parsed", "updated": "2026-06-16T00:32:03.060Z", "version": "smpte-journal-issue-xml@v1" }, "journalTitle": "SMPTE Journal", "journalTitle$meta": { "confidence": "high", "note": "Era-accurate journal title from SMPTE canonical repository (periodical parent at time of publication) (smpte-canonical-audit/canonicalLibrary.*.json)", "originalValue": null, "source": "parsed", "updated": "2026-07-08T00:35:38.133Z", "version": "smpte-canonical-repo@v1" }, "number": "2", "number$meta": { "confidence": "high", "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J00527.xml)", "source": "parsed", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" }, "pages": "111–120", "pages$meta": { "confidence": "high", "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J00527.xml)", "source": "parsed", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" }, "publicationDate": "1980-02-01", "publicationDate$meta": { "confidence": "high", "note": "Day absent in NLM source — padded to 01", "source": "parsed", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" }, "publisher": "SMPTE", "publisher$meta": { "confidence": "high", "note": "Normalised to registry \"SMPTE\" convention from NLM publisher-name (The Society of Motion Picture and Television Engineers)", "source": "inferred", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" }, "publisherLocation": { "city": "White Plains, NY", "city$meta": { "confidence": "high", "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J00527.xml)", "source": "parsed", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" }, "country": "USA", "country$meta": { "confidence": "high", "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/08202015 BACKFILE JOURNAL FRESH/smptej_89_2/MIJR15Vol89No2.xml)", "source": "parsed", "updated": "2026-06-16T00:32:03.060Z", "version": "smpte-journal-issue-xml@v1" } }, "publisherLocation$meta": { "confidence": "high", "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J00527.xml)", "source": "parsed", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" }, "references": { "bibliographic": [ "orphan/10.5594-J00527/bibr1-10.5594_J00527", "orphan/10.5594-J00527/bibr2-10.5594_J00527", "orphan/10.5594-J00527/bibr3-10.5594_J00527", "orphan/10.5594-J00527/bibr4-10.5594_J00527", "orphan/10.5594-J00527/bibr5-10.5594_J00527", "orphan/10.5594-J00527/bibr6-10.5594_J00527", "orphan/10.5594-J00527/bibr7-10.5594_J00527" ], "bibliographic$meta": { "confidence": "medium", "note": "Extracted from NLM via extractSmpteJournalRefs.js (orphan-slug-mint)", "source": "parsed", "updated": "2026-07-06T17:47:19.108Z" } }, "resolvedHref": "https://journal.smpte.org/periodicals/SMPTE%20Journal/89/2/9/", "resolvedHref$meta": { "confidence": "high", "note": "Backfilled from url.validate report #resolvedHref", "originalValue": null, "source": "resolved", "updated": "2026-06-19T20:59:07.401Z" }, "status": { "active": true, "active$meta": { "confidence": "medium", "note": "No explicit status in NLM source — journal articles default active", "source": "inferred", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" } }, "volume": "89", "volume$meta": { "confidence": "high", "note": "Parsed from NLM article XML (_source/SMPTE/HIGHWIRE/Source Bak/smptej/10.5594_J00527.xml)", "source": "parsed", "updated": "2026-05-22T18:56:53.245Z", "version": "smpte-journal-article-nlm@v1" } } }