Episode Details
Back to EpisodesWatch the Ball: The Band-Pass Filter That Beat Two GPUs
Season 1
Episode 259
Published 1 month, 1 week ago
Description
What happens when you stop trying to see the hands and start tracking the ball instead? The lab abandons explanation and embraces detection—building a five-link experimental chain to catch contact misses that fooled expensive AI models. Spoiler: a simple filter outperformed them both.
00:00 - Intro: From explanation to detection
02:15 - The core insight: Watch the ball, not the hands
04:30 - Building the experimental chain: Five linked premises
06:00 - Link 1: Is the ball even visible when it matters?
08:45 - Link 2: Detecting which rallies matter (with zero GPU calls)
11:20 - The signature pattern: When labels inherit errors
14:00 - Four links hold, one breaks—here's what replaces it
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Sources & further reading:
• game-senser-fable — docs/podcast/LEARNING-CONTEXT.md §12 (§§12.7, 12.8, 12.9)
• game-senser-fable — docs/touch-arc/frontier-touches/EXP-26-30-BALL-REPAIR.md (the chain
• the free gate, the failed search and its bimodal errors, the deliberately-unrun variant, the
• saturated pre-declared test, and its own correction footer)
• game-senser-fable — docs/touch-arc/frontier-touches/EXP-31-AUDIO-GATED-RESULT.md (the
• signal swap, the held-out 6/9 at the boundary, the chance floor and shifted null, the repair
• under both matchers, the per-type deltas, the six-second reproduction, the not-adopted
• status, and the two corrections it makes to the record)
• game-senser-fable — docs/touch-arc/frontier-touches/EXP-22-POSE-CORPUS.md (audio 6/7 vs
• pose 3/7 at matched density; the lane dies, the corpus survives)
• game-senser-fable — src/exp31audiogated.py / src/exp31_verify.py (the search and the
• checks run against its own headline before it was quoted)
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