{
  "$schema": "/api/schemas/documents.schema.json",
  "apiVersion": "1.0.0",
  "generatedAt": "2026-06-17T23:49:39.838Z",
  "sourcePath": "src/main/data/docs",
  "docId": "10.5594-j18367",
  "document": {
    "abbrevTitle": "SMPTE Mot. Imag. J.",
    "abbrevTitle$meta": {
      "confidence": "high",
      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
      "source": "parsed",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "abstract": "With the advent of multiple screens for viewing media, transcoding is becoming a key component of content delivery ecosystems. But transcoding implies that copies and versions of the same content can proliferate across various storage devices. It also means that keeping track of content becomes a major problem from both copyright and recording/indexing perspectives. Video-based techniques for content indexing, where the aim is to extract robust signatures from video, have emerged as a major area of research. On the other hand, audio-based techniques have received less focus, but audio could provide robust signatures for indexing media while it undergoes transformations. This paper presents an investigation of audio signatures under typical transcoding operations. Specifically, mel-frequency cepstral coefficients (MFCCs) are examined as a signature, which has been widely used in audio recognition systems. Initial results indicate that MFCCs are quite robust.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
      "source": "parsed",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "articleType": "orig-research",
    "articleType$meta": {
      "confidence": "high",
      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
      "source": "parsed",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "authors": [
      "Dinkar Bhat"
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
      "source": "parsed",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "copyright": {
      "holder": "Society of Motion Picture and Television Engineers, Inc.",
      "holder$meta": {
        "confidence": "high",
        "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
        "source": "parsed",
        "updated": "2026-05-22T23:54:08.922Z",
        "version": "smpte-journal-issue-xml@v1"
      },
      "year": "2014",
      "year$meta": {
        "confidence": "high",
        "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
        "source": "parsed",
        "updated": "2026-05-22T23:54:08.922Z",
        "version": "smpte-journal-issue-xml@v1"
      }
    },
    "copyright$meta": {
      "confidence": "high",
      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
      "source": "parsed",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "docId": "10.5594-j18367",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from DOI 10.5594/j18367",
      "source": "parsed",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "docLabel": "SMPTE Motion Imaging Journal ( Volume: 123, Issue: 1, 2014)",
    "docLabel$meta": {
      "confidence": "medium",
      "note": "Composed from journal title, volume, issue and date",
      "source": "inferred",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "docTitle": "Toward Using Audio for Matching Transcoded Content",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
      "source": "parsed",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "docType": "Journal Article",
    "docType$meta": {
      "confidence": "high",
      "note": "journal_metadata XML — SMPTE journal paper",
      "source": "inferred",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "doi": "10.5594/j18367",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
      "source": "parsed",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "href": "https://doi.org/10.5594/j18367",
    "href$meta": {
      "confidence": "high",
      "note": "Constructed from DOI 10.5594/j18367",
      "source": "inferred",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "issn": {
      "electronic": "2160-2492",
      "electronic$meta": {
        "confidence": "high",
        "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
        "source": "parsed",
        "updated": "2026-05-22T23:54:08.922Z",
        "version": "smpte-journal-issue-xml@v1"
      },
      "print": "1545-0279",
      "print$meta": {
        "confidence": "high",
        "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
        "source": "parsed",
        "updated": "2026-05-22T23:54:08.922Z",
        "version": "smpte-journal-issue-xml@v1"
      }
    },
    "issn$meta": {
      "confidence": "high",
      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
      "source": "parsed",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "journalAcronym": "MIJR",
    "journalAcronym$meta": {
      "confidence": "high",
      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
      "source": "parsed",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "number": "1",
    "number$meta": {
      "confidence": "high",
      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
      "source": "parsed",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "pages": "14–19",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
      "source": "parsed",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "publicationDate": "2014-01-01",
    "publicationDate$meta": {
      "confidence": "low",
      "note": "Month/day absent in source — padded to 01-01",
      "source": "parsed",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "publisher": "SMPTE",
    "publisher$meta": {
      "confidence": "high",
      "note": "Normalised to registry \"SMPTE\" convention from publisher-name (Society of Motion Picture and Television Engineers, Inc.)",
      "source": "inferred",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "publisherLocation": {
      "city": "White Plains, NY",
      "city$meta": {
        "confidence": "high",
        "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
        "source": "parsed",
        "updated": "2026-05-22T23:54:08.922Z",
        "version": "smpte-journal-issue-xml@v1"
      },
      "country": "USA",
      "country$meta": {
        "confidence": "high",
        "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
        "source": "parsed",
        "updated": "2026-05-22T23:54:08.922Z",
        "version": "smpte-journal-issue-xml@v1"
      }
    },
    "publisherLocation$meta": {
      "confidence": "high",
      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
      "source": "parsed",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Mapped from article_status=\"active\"",
        "source": "parsed",
        "updated": "2026-05-22T23:54:08.922Z",
        "version": "smpte-journal-issue-xml@v1"
      }
    },
    "volume": "123",
    "volume$meta": {
      "confidence": "high",
      "note": "Parsed from journal_metadata XML (_source/SMPTE/APTARA/DL Project Files/04092015 CONVERTED SAMPLES/JOURNAL/smptej_123_1/i1545-0279-123-1-14.xml)",
      "source": "parsed",
      "updated": "2026-05-22T23:54:08.922Z",
      "version": "smpte-journal-issue-xml@v1"
    }
  }
}