{
  "scope": "A16 last ~23s only, before last stable sample; baseline is first observed Frame, NOT Start",
  "definition": "relative gap = elapsed wall seconds minus elapsed raw RTP seconds; fixed anchor cancels",
  "limitations": [
    "No Start RTP baseline",
    "Wall clock step not independently instrumented",
    "No browser/video clock measurement"
  ],
  "summary": [
    {
      "camera": 3,
      "samples": 99,
      "redis_elapsed_s": 23.814,
      "rtp_elapsed_s": 25.1,
      "ingress_minus_rtp_change_s": -0.6690000000000005,
      "redis_minus_rtp_change_s": -1.2860000000000014,
      "ingress_drift_s_per_wall_s": -0.006387600223218288,
      "redis_drift_s_per_wall_s": -0.013198273914728139
    },
    {
      "camera": 8,
      "samples": 109,
      "redis_elapsed_s": 23.392,
      "rtp_elapsed_s": 25.5,
      "ingress_minus_rtp_change_s": -1.2620000000000005,
      "redis_minus_rtp_change_s": -2.1080000000000005,
      "ingress_drift_s_per_wall_s": -0.0010336177157898518,
      "redis_drift_s_per_wall_s": -0.022046158591186776
    },
    {
      "camera": 9,
      "samples": 112,
      "redis_elapsed_s": 22.616,
      "rtp_elapsed_s": 24.6,
      "ingress_minus_rtp_change_s": -0.11599999999999966,
      "redis_minus_rtp_change_s": -1.9840000000000018,
      "ingress_drift_s_per_wall_s": 0.0008070884104585784,
      "redis_drift_s_per_wall_s": 0.017675126070640115
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    {
      "camera": 10,
      "samples": 105,
      "redis_elapsed_s": 23.658,
      "rtp_elapsed_s": 22.566666666666666,
      "ingress_minus_rtp_change_s": 1.1773333333333333,
      "redis_minus_rtp_change_s": 1.0913333333333348,
      "ingress_drift_s_per_wall_s": 0.019445932316935616,
      "redis_drift_s_per_wall_s": 0.021183118817888272
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  ],
  "windows": [
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      "camera": 3,
      "from_s": 0,
      "to_s": 5,
      "samples": 21,
      "ingress_relative_gap_mean_s": 1.4364285714285714,
      "redis_relative_gap_mean_s": 0.6543809523809524
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      "redis_relative_gap_mean_s": -0.345875
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      "redis_relative_gap_mean_s": -0.56385
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      "redis_relative_gap_mean_s": 0.571
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      "redis_relative_gap_mean_s": -0.347
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      "redis_relative_gap_mean_s": -0.9589166666666666
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      "redis_relative_gap_mean_s": -0.6515555555555557
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      "redis_relative_gap_mean_s": -0.257047619047619
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}