music/proof/control_surface.json
{
"_doc": "Control-surface probe result. A dimension that does not respond cannot be reached by prompt revision on this generator, and its contribution to the distance is a CEILING, not a failure of the loop.",
"generator": "ACE-Step 1.5 XL-SFT, no LM, 60 steps, cfg 7.5, 45s",
"positive_controls_responded": false,
"admissible": false,
"dimensions": [
{
"dimension": "spectral_centroid_hz",
"role": "positive control -- brightness is the least ambiguous instruction in the set",
"measured_at_low_pole": 1385.4,
"measured_at_high_pole": 1389.1,
"spread": 3.7,
"normalised_spread": 0.0027,
"direction_correct": true,
"responds": false
},
{
"dimension": "global_bpm",
"role": "positive control -- tempo is also a numeric meta, so it has two routes in",
"measured_at_low_pole": 123.05,
"measured_at_high_pole": 123.05,
"spread": 0.0,
"normalised_spread": 0.0,
"direction_correct": false,
"responds": false
},
{
"dimension": "silence_fraction",
"role": "the dimension the exploration sample could not reach",
"measured_at_low_pole": 0.0,
"measured_at_high_pole": 0.0,
"spread": 0.0,
"normalised_spread": 0.0,
"direction_correct": false,
"responds": false
},
{
"dimension": "mean_lanes",
"role": "arrangement density -- the simultaneity curve of section 11.1",
"measured_at_low_pole": 7.05,
"measured_at_high_pole": 6.977,
"spread": 0.073,
"normalised_spread": 0.0104,
"direction_correct": false,
"responds": false
},
{
"dimension": "dynamic_range_db",
"role": "the restraint mechanism of section 4",
"measured_at_low_pole": 14.1,
"measured_at_high_pole": 14.11,
"spread": 0.01,
"normalised_spread": 0.0007,
"direction_correct": true,
"responds": false
},
{
"dimension": "note_rate_per_s",
"role": "written material against wash",
"measured_at_low_pole": 0.222,
"measured_at_high_pole": 0.222,
"spread": 0.0,
"normalised_spread": 0.0,
"direction_correct": false,
"responds": false
}
]
}