music/proof/diffs/MPX_TITLE_MAIN_r1.diff.json
{
"sample_id": "MPX_TITLE_MAIN",
"revision": 1,
"target_card": "EX_110",
"generated_card": "NOCORPUS__MPX_TITLE_MAIN_r1",
"job_bpm": 99,
"scalars": [
{
"dimension": "total_length_s",
"target": 141.584,
"generated": 142.0,
"error": 0.0029,
"scale": "rel:10.0"
},
{
"dimension": "section_count",
"target": 7,
"generated": 5,
"error": 0.2857,
"scale": "rel:3.0"
},
{
"dimension": "global_bpm",
"target": 99.38,
"generated": 99.38,
"error": 0.0,
"scale": "rel:40.0"
},
{
"dimension": "time_to_hook_s",
"target": 0.035,
"generated": 0.07,
"error": 0.0018,
"scale": "abs:20.0"
},
{
"dimension": "time_to_full_texture_s",
"target": 3.808,
"generated": 20.619,
"error": 0.6724,
"scale": "abs:25.0"
},
{
"dimension": "flow_peak_position",
"target": 0.3799,
"generated": 0.8656,
"error": 0.4857,
"scale": "abs:1.0"
},
{
"dimension": "mean_lanes",
"target": 7.269,
"generated": 4.712,
"error": 0.3518,
"scale": "rel:2.0"
},
{
"dimension": "max_lanes",
"target": 9,
"generated": 9,
"error": 0.0,
"scale": "rel:3.0"
},
{
"dimension": "silence_fraction",
"target": 0.0307,
"generated": 0.0482,
"error": 0.175,
"scale": "abs:0.1"
},
{
"dimension": "drops_per_min",
"target": 11.0182,
"generated": 17.7465,
"error": 0.6107,
"scale": "rel:4.0"
},
{
"dimension": "raises_per_min",
"target": 6.7804,
"generated": 13.9437,
"error": 1.0,
"scale": "rel:4.0"
},
{
"dimension": "breaks_per_min",
"target": 2.5427,
"generated": 1.2676,
"error": 0.5015,
"scale": "rel:1.0"
},
{
"dimension": "tuttis_per_min",
"target": 12.2895,
"generated": 0.0,
"error": 1.0,
"scale": "rel:3.0"
},
{
"dimension": "complexity_steps_per_min",
"target": 9.3231,
"generated": 5.9155,
"error": 0.3655,
"scale": "rel:6.0"
},
{
"dimension": "boundary_step_share",
"target": 0.182,
"generated": 0.357,
"error": 0.175,
"scale": "abs:1.0"
},
{
"dimension": "dynamic_range_db",
"target": 10.59,
"generated": 23.15,
"error": 1.0,
"scale": "rel:6.0"
},
{
"dimension": "dynamics_peak_position",
"target": 0.4829,
"generated": 0.0,
"error": 0.4829,
"scale": "abs:1.0"
},
{
"dimension": "note_rate_per_s",
"target": 2.232,
"generated": 2.359,
"error": 0.0569,
"scale": "rel:1.5"
},
{
"dimension": "melodic_salience",
"target": 0.8372,
"generated": 0.9533,
"error": 0.1161,
"scale": "abs:1.0"
},
{
"dimension": "spectral_centroid_hz",
"target": 2351.9,
"generated": 1403.5,
"error": 0.4032,
"scale": "rel:1200.0"
},
{
"dimension": "onset_type",
"target": "fade_in",
"generated": "fade_in",
"error": 0.0,
"scale": "cat:1.0"
}
],
"curves": {
"flow_curve": {
"available": true,
"rmse": 0.2922,
"target_mean": 0.6131,
"generated_mean": 0.3713,
"note": "energy = f(density, simultaneity, register); each already normalised to its own track's maximum, so this compares SHAPE, not loudness"
},
"simultaneity_curve": {
"available": true,
"rmse": 0.3518,
"target_mean": 0.7232,
"generated_mean": 0.4766,
"note": "lanes sounding at time t, divided by the 10-band ceiling"
},
"tempo_curve": {
"available": true,
"rmse": 0.3635,
"target_mean": 0.7279,
"generated_mean": 0.4784,
"note": "the tempo FUNCTION of section 11.3, divided by a 240 bpm ceiling"
},
"dynamics_arc": {
"available": true,
"rmse": 0.1964,
"target_mean": -0.1985,
"generated_mean": -0.3312,
"note": "the dB arc, divided by a 60 dB window"
},
"complexity_curve": {
"available": true,
"rmse": 0.2318,
"target_mean": 0.8436,
"generated_mean": 0.761,
"note": "the per-bar complexity index of section 11.6, each normalised to its own track's maximum"
},
"register_balance": {
"available": true,
"l1_distance": 0.7249,
"note": "total absolute difference across the 10 octave bands; 0 = identical spectral weighting, 2 = disjoint"
}
},
"scalar_distance": 0.3661,
"curve_distance": 0.2997,
"distance": 0.3395,
"distance_definition": "0.6 * mean scalar error + 0.4 * mean curve error. Each scalar error is the absolute miss divided by its own scale and clipped at 1, so no single runaway dimension can dominate; each curve error is an RMSE on already-unit-normalised curves. 0 is identical grammar, 1 is maximally different on every axis. It is a DISTANCE, not a quality score -- it says nothing about whether either track is good."
}