2:3 pulldown cadence: which film frames land in which video fields and frames wh...
https://video-calc.x402tookit.com/pulldown-32Overview
2:3 pulldown cadence: which film frames land in which video fields and frames when 24 fps film is telecined.
Protocol
x402
Price
$0.02
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
Video & Timecode Calc
Source
bazaar
Indexed
2026-10-20 21:22:46
Health
Status
healthy
Latency (p50)
608ms
Uptime (30d)
93.8%
Reliability Score
86.9/100
Last Checked
2026-10-28 06:41:28
Last Healthy
2026-10-28 06:41:28
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"filmFrames": 4
},
"type": "http"
}
Output Schema
{
"example": {
"asOf": "2026-10-12T00:51:07.691Z",
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"fieldSequence": "AABBBCCDDD",
"fields": 10,
"filmFpsAfterSlowdown": 23.976,
"filmFrames": 4,
"mixedFrameCount": 2,
"notChecked": [
"field dominance (upper or lower field first)",
"reverse telecine of real video",
"…1 more"
],
"reasons": [
"Film frames alternate 2 fields, 3 fields, 2, 3, so 24 film fps becomes 60 fields per second, then 59.94 after the 0.1% NTSC slowdown (24 fps becomes 23.976)."
],
"source": "computed locally (2:3 cadence)",
"startPhase": 0,
"summary": "4 film frame(s) become 10 fields = 5 video frame(s); every 4 film frames make 5 video frames, 2 frame(s) here mix two film frames.",
"verdict": "MAPPED",
"videoFpsAfterSlowdown": 29.97,
"videoFrameCount": 5,
"videoFrames": [
"AA",
"BB",
"…3 more"
]
},
"type": "json"
}