{
  "id": "LK-SP-TAM-003",
  "slug": "tamil-general-conversation",
  "title": "Tamil general conversation",
  "modality": "speech",
  "speechType": "conversational",
  "kind": "conversations",
  "unit": "conversations",
  "collection": "general-conversation",
  "language": {
    "name": "Tamil",
    "native": "தமிழ்",
    "iso": "tam",
    "bcp47": "ta-IN",
    "script": "Tamil"
  },
  "languages": [
    {
      "name": "Tamil",
      "native": "தமிழ்",
      "iso": "tam",
      "bcp47": "ta-IN",
      "script": "Tamil"
    }
  ],
  "region": "India",
  "domain": "Open topic",
  "scripted": false,
  "parties": null,
  "hours": 105.4,
  "transcribed": true,
  "channels": "mono",
  "source": "Recorded for the dataset",
  "review": "Every recording has a complete, segment-level transcript",
  "personalData": "Redacted",
  "licence": "Custom",
  "sheetRows": [
    4
  ],
  "sample": {
    "key": "conversations-ta-gc-99",
    "slug": "tamil-general-conversation",
    "dual": false,
    "audio": {
      "sampleRateHz": 16000,
      "bitDepth": 16,
      "codec": "pcm_s16le",
      "container": "flac",
      "filesPerConversation": 1,
      "measured": true
    },
    "metrics": {
      "durationS": 1478.7,
      "conversations": 6,
      "turns": 384,
      "words": 3333,
      "talkTimeS": {
        "1": 825,
        "2": 566.7
      },
      "speechShare": 0.941,
      "overlapShare": 0,
      "silenceShare": 0.059,
      "wordsPerMinute": 143.7,
      "turnDurationS": {
        "median": 2.58,
        "p90": 7.98
      },
      "floorTransfer": {
        "count": 202,
        "medianS": 0,
        "p10S": 0,
        "p90S": 0.929,
        "overlappedShare": 0,
        "histogram": {
          "edgesS": [
            -2,
            -1,
            -0.5,
            -0.2,
            0,
            0.2,
            0.5,
            1,
            2,
            4
          ],
          "counts": [
            0,
            0,
            0,
            0,
            0,
            172,
            0,
            12,
            11,
            4,
            3
          ]
        }
      },
      "backchannels": {
        "count": 61,
        "perMinute": 2.48
      },
      "codeMix": {
        "latinTokens": 1188,
        "nativeTokens": 2143,
        "latinShare": 0.357
      },
      "events": {
        "[filler]": 108,
        "[silence]": 3,
        "[unintelligible]": 43,
        "[suppressed]": 4
      },
      "overlapEvents": 0
    },
    "quality": {
      "snrDb": {
        "median": 42.1,
        "min": 29.4,
        "max": 56.4
      },
      "noiseFloorDb": -60.2,
      "speechLevelDb": -15.6,
      "bandwidthHz": 7950,
      "clippingShare": 0,
      "label": "clean",
      "dnsmos": {
        "sig": 3,
        "bak": 3,
        "ovrl": 2.33
      },
      "method": "Frame RMS at 20 ms on the channels mixed to mono. Noise floor is the 10th percentile, speech level the 90th; SNR is their difference. Bandwidth is the highest frequency at which speech still rises 6 dB above the recording's own noise spectrum."
    },
    "speakers": [
      {
        "role": "Speaker 1",
        "id": "ta-gc-99-s0041",
        "gender": "female",
        "ageBand": null
      },
      {
        "role": "Speaker 2",
        "id": "ta-gc-99-s0113",
        "gender": "female",
        "ageBand": null
      }
    ],
    "speakerSummary": {
      "distinctIds": 12,
      "genders": {
        "female": 9,
        "male": 3
      },
      "ageBands": null
    },
    "conversations": [
      {
        "index": 1,
        "sourceId": "conv-a3c409b986",
        "title": "Open conversation",
        "durationS": 246.7,
        "turns": 40,
        "words": 580,
        "speakers": [
          {
            "role": "Speaker 1",
            "id": "ta-gc-99-s0041",
            "gender": "female",
            "ageBand": null
          },
          {
            "role": "Speaker 2",
            "id": "ta-gc-99-s0113",
            "gender": "female",
            "ageBand": null
          }
        ],
        "flagged": 0,
        "silenceShare": 0,
        "overlapShare": 0,
        "latinShare": 0.357,
        "wordsPerMinute": 141.1,
        "specimen": null,
        "quality": {
          "noiseFloorDb": -59.6,
          "speechLevelDb": -11.7,
          "snrDb": 47.9,
          "clippingShare": 0,
          "bandwidthHz": 8000
        },
        "qualityLabel": "clean",
        "excerptSnrDb": 51.7
      },
      {
        "index": 2,
        "sourceId": "conv-fb7c7e4e4f",
        "title": "Open conversation",
        "durationS": 239.2,
        "turns": 66,
        "words": 549,
        "speakers": [
          {
            "role": "Speaker 1",
            "id": "ta-gc-99-s0064",
            "gender": "female",
            "ageBand": null
          },
          {
            "role": "Speaker 2",
            "id": "ta-gc-99-s0151",
            "gender": "male",
            "ageBand": null
          }
        ],
        "flagged": 0,
        "silenceShare": 0,
        "overlapShare": 0,
        "latinShare": 0.477,
        "wordsPerMinute": 137.7,
        "specimen": {
          "id": "tamil-general-conversation--4",
          "windowS": 43.453,
          "offsetS": 61.411,
          "segments": 14,
          "bytes": 282653,
          "sha256": "e5156a130e789b7480f4b9cf999b858fec88069501d9495e82730dbd71743be1",
          "dnsmos": {
            "sig": 3.4,
            "bak": 2.46,
            "ovrl": 2.41
          }
        },
        "quality": {
          "noiseFloorDb": -44.2,
          "speechLevelDb": -14.8,
          "snrDb": 29.4,
          "clippingShare": 0,
          "bandwidthHz": 8000
        },
        "qualityLabel": "some background",
        "excerptSnrDb": 28
      },
      {
        "index": 3,
        "sourceId": "conv-ba19422555",
        "title": "Open conversation",
        "durationS": 248.1,
        "turns": 83,
        "words": 563,
        "speakers": [
          {
            "role": "Speaker 1",
            "id": "ta-gc-99-s0176",
            "gender": "female",
            "ageBand": null
          },
          {
            "role": "Speaker 2",
            "id": "ta-gc-99-s0177",
            "gender": "female",
            "ageBand": null
          }
        ],
        "flagged": 0,
        "silenceShare": 0.121,
        "overlapShare": 0,
        "latinShare": 0.361,
        "wordsPerMinute": 154.8,
        "specimen": {
          "id": "tamil-general-conversation--1",
          "windowS": 44.686,
          "offsetS": 0,
          "segments": 19,
          "bytes": 279885,
          "sha256": "5f6ca60c1d7ed0e2558383d4cbe91fab14a5be6c3f80729d49c058744a8fbba7",
          "dnsmos": {
            "sig": 2.63,
            "bak": 3.22,
            "ovrl": 2.17
          }
        },
        "quality": {
          "noiseFloorDb": -60.8,
          "speechLevelDb": -24.8,
          "snrDb": 36.1,
          "clippingShare": 0,
          "bandwidthHz": 7900
        },
        "qualityLabel": "clean",
        "excerptSnrDb": 37.1
      },
      {
        "index": 4,
        "sourceId": "conv-e1da4b6c7a",
        "title": "Open conversation",
        "durationS": 248.4,
        "turns": 82,
        "words": 502,
        "speakers": [
          {
            "role": "Speaker 1",
            "id": "ta-gc-99-s0122",
            "gender": "male",
            "ageBand": null
          },
          {
            "role": "Speaker 2",
            "id": "ta-gc-99-s0087",
            "gender": "female",
            "ageBand": null
          }
        ],
        "flagged": 0,
        "silenceShare": 0.158,
        "overlapShare": 0,
        "latinShare": 0.371,
        "wordsPerMinute": 144.1,
        "specimen": {
          "id": "tamil-general-conversation--3",
          "windowS": 43.973,
          "offsetS": 30.119,
          "segments": 18,
          "bytes": 277216,
          "sha256": "c9acd1c66a11e3b0d01d493343f44ae7f945e104861db205f9738aed1b42a0a9",
          "dnsmos": {
            "sig": 3.11,
            "bak": 2.76,
            "ovrl": 2.27
          }
        },
        "quality": {
          "noiseFloorDb": -57.2,
          "speechLevelDb": -16.4,
          "snrDb": 40.8,
          "clippingShare": 0,
          "bandwidthHz": 7900
        },
        "qualityLabel": "clean",
        "excerptSnrDb": 29.2
      },
      {
        "index": 5,
        "sourceId": "conv-04ba9496c8",
        "title": "Open conversation",
        "durationS": 248.4,
        "turns": 64,
        "words": 659,
        "speakers": [
          {
            "role": "Speaker 1",
            "id": "ta-gc-99-s0057",
            "gender": "male",
            "ageBand": null
          },
          {
            "role": "Speaker 2",
            "id": "ta-gc-99-s0211",
            "gender": "female",
            "ageBand": null
          }
        ],
        "flagged": 0,
        "silenceShare": 0.054,
        "overlapShare": 0,
        "latinShare": 0.302,
        "wordsPerMinute": 168.3,
        "specimen": {
          "id": "tamil-general-conversation--2",
          "windowS": 41.389,
          "offsetS": 0,
          "segments": 18,
          "bytes": 265996,
          "sha256": "a4e0b13600118823602c2c1e2473d88e322f194bcd5ab58e6f061ba6263cdf78",
          "dnsmos": {
            "sig": 2.85,
            "bak": 3.54,
            "ovrl": 2.48
          }
        },
        "quality": {
          "noiseFloorDb": -68.9,
          "speechLevelDb": -12.5,
          "snrDb": 56.4,
          "clippingShare": 0,
          "bandwidthHz": 8000
        },
        "qualityLabel": "clean",
        "excerptSnrDb": 57.9
      },
      {
        "index": 6,
        "sourceId": "conv-7a7bb2a2de",
        "title": "Open conversation",
        "durationS": 247.9,
        "turns": 49,
        "words": 480,
        "speakers": [
          {
            "role": "Speaker 1",
            "id": "ta-gc-99-s0248",
            "gender": "female",
            "ageBand": null
          },
          {
            "role": "Speaker 2",
            "id": "ta-gc-99-s0247",
            "gender": "female",
            "ageBand": null
          }
        ],
        "flagged": 1,
        "silenceShare": 0.017,
        "overlapShare": 0,
        "latinShare": 0.273,
        "wordsPerMinute": 118.2,
        "specimen": null,
        "quality": {
          "noiseFloorDb": -66.5,
          "speechLevelDb": -23,
          "snrDb": 43.5,
          "clippingShare": 0,
          "bandwidthHz": 7900
        },
        "qualityLabel": "clean",
        "excerptSnrDb": 44.6
      }
    ],
    "specimens": [
      "tamil-general-conversation--1",
      "tamil-general-conversation--2",
      "tamil-general-conversation--3",
      "tamil-general-conversation--4"
    ],
    "transcriptFormat": "json",
    "piiFlaggedSegments": 1,
    "withheld": false
  },
  "utterances": null,
  "gaps": [],
  "bundleId": "conversations-ta-gc-99",
  "relatedSlugs": [
    "tamil-speech-recognition-utterances",
    "tamil-speaker-diarization"
  ],
  "measured": {
    "id": "ta-gc-99",
    "files": 464,
    "conversations": 464,
    "channels": "464 mono conversation",
    "bandwidth": "wideband (8 kHz)",
    "bandwidthCounts": {
      "wideband (8 kHz)": 464
    },
    "telephoneBandFiles": 0,
    "utterances": null,
    "turns": null,
    "speakers": 279,
    "speakerGender": {
      "female": 208,
      "male": 47
    },
    "transcripts": 464,
    "segments": 79560,
    "words": 958275,
    "snrMedianDb": 25.7,
    "container": "flac",
    "sampleRateHz": 16000,
    "bitDepth": 16,
    "pii": "Numbers of 4 or more digits, digit strings spoken as words, and email addresses are masked as [pii] in text and replaced by a tone in audio. First names are not masked.",
    "release": "v1.0",
    "updatedAt": "2026-09-28T23:34",
    "profile": {
      "conversations": 464,
      "medianConversationMin": 14.67,
      "talkShareByRank": [
        0.673,
        0.327
      ],
      "silenceShare": 0.173,
      "overlapShare": 0,
      "turnsPerMin": 8.96,
      "wordsPerMin": 151.5,
      "codeMixShare": 0.328,
      "twoChannel": null
    },
    "provisional": false
  },
  "url": "https://kenpathlabs.com/lokah/datasets/tamil-general-conversation"
}