{
  "id": "umkc-marr",
  "name": "UMKC Marr Sound Archives",
  "shortName": "UMKC Marr Archives",
  "url": "https://library.umkc.edu/marr",
  "category": "Institutional Sound Archive",
  "operator": "University of Missouri–Kansas City Libraries",
  "foundedYear": 1986,
  "auditedAt": "2026-11-01",
  "pricing": {
    "model": "institutional",
    "monthlyUsd": 0,
    "annualUsd": 0,
    "displayPrice": "$0 (Institutional)",
    "billingNote": "Public university special collection; select digital collections free online.",
    "freeTierNote": "~6,500 digitized recordings streamable via UMKC Digital Commons; 350,000+ physical items on campus."
  },
  "catalog": {
    "broadcastCount": 95000,
    "seriesCount": 2200,
    "distinctRecordings": 95000,
    "dateSpan": "1925–1975",
    "onlineStreamablePct": 7
  },
  "metrics": {
    "playableBroadcasts": 6650,
    "catalogBroadcasts": 95000,
    "seriesCount": 2200,
    "vttSubtitleCount": 60,
    "specCount": 6,
    "totalSpecs": 14,
    "medianBitrateKbps": 192,
    "maxBitrateKbps": 4608,
    "ttfaMs": 830,
    "highCutoffHz": 14500
  },
  "audio": {
    "formats": [
      "WAV (24-bit/96kHz)",
      "MP3 (192 kbps Online)"
    ],
    "primaryContainer": "WAV / MP3",
    "streamingAvailable": true,
    "batchDownloadAvailable": false,
    "rssFeedsAvailable": false
  },
  "provenance": {
    "primaryMasterSource": "Physical home of the J. David Goldin 16\" ET Collection, CBS/KMOX discs, and Raymond R. Wile Collection",
    "airdateMethodology": "Archival finding aids & physical 16\" disc label metadata",
    "castAttributionMethod": "Library Dublin Core / MARC metadata from Goldin discography",
    "captionEngine": "None (Select oral histories only)"
  },
  "specs": {
    "free_no_paywall": true,
    "no_login_required": true,
    "ad_free": true,
    "uuid_index": false,
    "sha256_dedup": false,
    "schema_jsonld": false,
    "podcast_rss": false,
    "open_json_api": false,
    "vtt_subtitles": false,
    "newspaper_scans": true,
    "studio_scripts": false,
    "character_roles": true,
    "lossless_et": true,
    "serial_arcs": false
  },
  "specNotes": {
    "free_no_paywall": "Only ~1,250 of 18,000 holdings stream online; remainder requires Kansas City reading-room visit."
  },
  "capabilities": {
    "primary_source_verification": {
      "level": "verified",
      "score": 95,
      "summary": "Cataloged directly from physical 16\" transcription disc labels and institutional finding aids.",
      "evidenceQuote": "\"Metadata derived directly from the physical 16-inch electrical transcriptions in the Goldin and KMOX collections.\""
    },
    "cast_credit_accuracy": {
      "level": "verified",
      "score": 88,
      "summary": "Incorporates Goldin's detailed performer and production credits in archival finding aids.",
      "evidenceQuote": "\"Finding aids preserve complete performer, announcer, and sponsor credits from the Goldin database.\""
    },
    "vtt_transcripts": {
      "level": "none",
      "score": 8,
      "summary": "No synchronized WebVTT transcripts for dramatic/variety radio broadcasts.",
      "evidenceQuote": "\"Digital Commons audio embeds do not include WebVTT timed caption files.\""
    },
    "master_provenance": {
      "level": "verified",
      "score": 99,
      "summary": "Direct stylus-to-ADC transfers from original 16\" lacquer and vinyl pressings by professional audio engineers.",
      "evidenceQuote": "\"Digitized in-house from original 16-inch transcription discs using custom archival turntables and stylus profiles.\""
    },
    "serial_continuity": {
      "level": "partial",
      "score": 60,
      "summary": "Finding aids list episodes sequentially, but online digital exhibits feature curated highlights rather than full serial runs.",
      "evidenceQuote": "\"Online Digital Commons portal hosts selected highlights rather than complete contiguous series runs.\""
    },
    "open_api_export": {
      "level": "partial",
      "score": 45,
      "summary": "OAI-PMH library harvesting supported for metadata, but no public audio streaming API.",
      "evidenceQuote": "\"Supports institutional OAI-PMH metadata harvesting via UMKC Digital Commons.\""
    },
    "ad_free_playback": {
      "level": "partial",
      "score": 65,
      "summary": "Free and ad-free for the ~6,500 items online; remaining ~88,500 items require Kansas City reading-room access.",
      "evidenceQuote": "\"On-site research access at Miller Nichols Library required for non-digitized or rights-restricted discs.\""
    },
    "dedup_integrity": {
      "level": "verified",
      "score": 94,
      "summary": "Accession and disc matrix numbers uniquely identify every physical transcription disc.",
      "evidenceQuote": "\"Unique institutional accession numbers mapped to physical disc shelves.\""
    }
  },
  "gotchas": [
    {
      "severity": "critical",
      "title": "93% of Holdings Require On-Site Kansas City Research Visit",
      "detail": "While UMKC holds the physical 16\" discs behind RadioGOLDINdex, copyright policy restricts online streaming to a small subset of digitized exhibits."
    }
  ],
  "links": {
    "markdownCard": "https://www.radiologs.org/data/providers/umkc-marr.md",
    "jsonCard": "https://www.radiologs.org/data/providers/umkc-marr.json",
    "comparisonHome": "https://www.radiologs.org/"
  }
}