{ "schemaVersion": 1, "wave": 2, "generatedAt": "2026-07-15T16:52:36.119Z", "result": "PASS", "benchmarkSourceSha256": "255e0793b3bb774f98d1f3229488a55e643bf698f9a2d7903a8a4cc51f21494b", "license": { "id": "CC0-1.0", "name": "CC0 1.0 Universal", "provenance": "Synthetic, deterministic signals generated from mathematical functions by this benchmark; no recording or copyrighted composition is used." }, "environment": { "runner": "Playwright driving public tool pages", "browser": "Chromium 149.0.7827.55", "server": "local Wrangler Pages" }, "methodology": [ "Generate deterministic mono PCM16 WAV fixtures from mathematical signals; record SHA-256 provenance.", "Load each public tool page through local Wrangler Pages and select every fixture through the real file input.", "Read visible UI results; for loudness also invoke normalization, download the real WAV and independently parse its PCM samples.", "Record every request from immediately before file selection through completion; separately count fetch/XHR/WebSocket/EventSource, cross-origin and non-GET traffic.", "Keep exact key labels exact, and label known BPM folding as half/double ambiguity rather than raw-tempo success.", "Use compact 24 kHz source WAV files whose Nyquist frequency remains well above the highest synthesized 1.8 kHz component; score the real browser-decoded signal." ], "fixtures": [ { "id": "bpm-80", "file": "assets/benchmark-fixtures/bpm-80.wav", "bytes": 384044, "sha256": "045458d0d62e8936a6d3024c49184ceb9b158e7dca7345b031d6a704bef83eda", "license": "CC0-1.0", "synthesis": { "kind": "periodic-decaying-click-train", "sampleRate": 24000, "channels": 1, "durationSeconds": 8, "knownBpm": 80, "formula": "0.55 * exp(-t/0.008) * (sin(2*pi*110*t) + 0.3*sin(2*pi*1800*t)) at each beat" } }, { "id": "bpm-100", "file": "assets/benchmark-fixtures/bpm-100.wav", "bytes": 384044, "sha256": "7bc553c7d3514a6e1afad3e3cebc83e4538217ff571a807874cdeb71e445893a", "license": "CC0-1.0", "synthesis": { "kind": "periodic-decaying-click-train", "sampleRate": 24000, "channels": 1, "durationSeconds": 8, "knownBpm": 100, "formula": "0.55 * exp(-t/0.008) * (sin(2*pi*110*t) + 0.3*sin(2*pi*1800*t)) at each beat" } }, { "id": "bpm-128", "file": "assets/benchmark-fixtures/bpm-128.wav", "bytes": 384044, "sha256": "833d8dcecb506d77716d1f1e53cb95f2e42696c9ef37f63e41f92a060132f8f9", "license": "CC0-1.0", "synthesis": { "kind": "periodic-decaying-click-train", "sampleRate": 24000, "channels": 1, "durationSeconds": 8, "knownBpm": 128, "formula": "0.55 * exp(-t/0.008) * (sin(2*pi*110*t) + 0.3*sin(2*pi*1800*t)) at each beat" } }, { "id": "bpm-160", "file": "assets/benchmark-fixtures/bpm-160.wav", "bytes": 384044, "sha256": "6efc80b08a4d3c535dda26a6983adc0028a29c7aaa660d935e1d8721dc7088fc", "license": "CC0-1.0", "synthesis": { "kind": "periodic-decaying-click-train", "sampleRate": 24000, "channels": 1, "durationSeconds": 8, "knownBpm": 160, "formula": "0.55 * exp(-t/0.008) * (sin(2*pi*110*t) + 0.3*sin(2*pi*1800*t)) at each beat" } }, { "id": "bpm-60-double-time", "file": "assets/benchmark-fixtures/bpm-60-double-time.wav", "bytes": 384044, "sha256": "904854ff1f5a09f07002f921a714380209529193d3e229846f24760b95371143", "license": "CC0-1.0", "synthesis": { "kind": "periodic-decaying-click-train", "sampleRate": 24000, "channels": 1, "durationSeconds": 8, "knownBpm": 60, "formula": "0.55 * exp(-t/0.008) * (sin(2*pi*110*t) + 0.3*sin(2*pi*1800*t)) at each beat" } }, { "id": "bpm-200-half-time", "file": "assets/benchmark-fixtures/bpm-200-half-time.wav", "bytes": 384044, "sha256": "dc067796f767f8d939ae58452fb702e006427d8acfbe6e97b05174294982dccd", "license": "CC0-1.0", "synthesis": { "kind": "periodic-decaying-click-train", "sampleRate": 24000, "channels": 1, "durationSeconds": 8, "knownBpm": 200, "formula": "0.55 * exp(-t/0.008) * (sin(2*pi*110*t) + 0.3*sin(2*pi*1800*t)) at each beat" } }, { "id": "key-c-major", "file": "assets/benchmark-fixtures/key-c-major.wav", "bytes": 480044, "sha256": "c2608705cb23257d7c8516e962c1ead723660f9449447786bed35f566136bdf9", "license": "CC0-1.0", "synthesis": { "kind": "equal-note-sine-triad-progression", "sampleRate": 24000, "channels": 1, "durationSeconds": 10, "expectedKey": "C major", "progression": "I-IV-V-I-I in C major", "chords": [ [ "C", "E", "G" ], [ "F", "A", "C" ], [ "G", "B", "D" ], [ "C", "E", "G" ], [ "C", "E", "G" ] ], "formula": "equal-amplitude triad fundamentals + 0.22 octave harmonic, 20 ms segment-edge fade" } }, { "id": "key-d-major", "file": "assets/benchmark-fixtures/key-d-major.wav", "bytes": 480044, "sha256": "7d1f54f5a5f1439d3c2b4d5b87f90cecb6c6cdf84f35c1a193138e0db549dd09", "license": "CC0-1.0", "synthesis": { "kind": "equal-note-sine-triad-progression", "sampleRate": 24000, "channels": 1, "durationSeconds": 10, "expectedKey": "D major", "progression": "I-IV-V-I-I in D major", "chords": [ [ "D", "F#", "A" ], [ "G", "B", "D" ], [ "A", "C#", "E" ], [ "D", "F#", "A" ], [ "D", "F#", "A" ] ], "formula": "equal-amplitude triad fundamentals + 0.22 octave harmonic, 20 ms segment-edge fade" } }, { "id": "key-f-major", "file": "assets/benchmark-fixtures/key-f-major.wav", "bytes": 480044, "sha256": "b9c8676d0e976d449743adf2b580d18947ceb5c4d27abcd4a186c72ed6769853", "license": "CC0-1.0", "synthesis": { "kind": "equal-note-sine-triad-progression", "sampleRate": 24000, "channels": 1, "durationSeconds": 10, "expectedKey": "F major", "progression": "I-IV-V-I-I in F major", "chords": [ [ "F", "A", "C" ], [ "A#", "D", "F" ], [ "C", "E", "G" ], [ "F", "A", "C" ], [ "F", "A", "C" ] ], "formula": "equal-amplitude triad fundamentals + 0.22 octave harmonic, 20 ms segment-edge fade" } }, { "id": "key-g-major", "file": "assets/benchmark-fixtures/key-g-major.wav", "bytes": 480044, "sha256": "31a220b3c3d35fb7b9c5fb386be716ea45fdeca585a267d4b0af0d9b20887f99", "license": "CC0-1.0", "synthesis": { "kind": "equal-note-sine-triad-progression", "sampleRate": 24000, "channels": 1, "durationSeconds": 10, "expectedKey": "G major", "progression": "I-IV-V-I-I in G major", "chords": [ [ "G", "B", "D" ], [ "C", "E", "G" ], [ "D", "F#", "A" ], [ "G", "B", "D" ], [ "G", "B", "D" ] ], "formula": "equal-amplitude triad fundamentals + 0.22 octave harmonic, 20 ms segment-edge fade" } }, { "id": "key-a-minor", "file": "assets/benchmark-fixtures/key-a-minor.wav", "bytes": 480044, "sha256": "e2f2da8c6eb448d992e29a6e0e797c99fa39b6dd8b1bbc371349f48a3b3cdd96", "license": "CC0-1.0", "synthesis": { "kind": "equal-note-sine-triad-progression", "sampleRate": 24000, "channels": 1, "durationSeconds": 10, "expectedKey": "A minor", "progression": "i-iv-V-i-i in A harmonic minor", "chords": [ [ "A", "C", "E" ], [ "D", "F", "A" ], [ "E", "G#", "B" ], [ "A", "C", "E" ], [ "A", "C", "E" ] ], "formula": "equal-amplitude triad fundamentals + 0.22 octave harmonic, 20 ms segment-edge fade" } }, { "id": "key-e-minor", "file": "assets/benchmark-fixtures/key-e-minor.wav", "bytes": 480044, "sha256": "ee94aa07e67b4d07d49bbc8ec6238f463b1ba902ea2c342fdf49f73b0114dfab", "license": "CC0-1.0", "synthesis": { "kind": "equal-note-sine-triad-progression", "sampleRate": 24000, "channels": 1, "durationSeconds": 10, "expectedKey": "E minor", "progression": "i-iv-v-i-i in E natural minor", "chords": [ [ "E", "G", "B" ], [ "A", "C", "E" ], [ "B", "D", "F#" ], [ "E", "G", "B" ], [ "E", "G", "B" ] ], "formula": "equal-amplitude triad fundamentals + 0.22 octave harmonic, 20 ms segment-edge fade" } }, { "id": "loudness-sine-minus12-to-minus23", "file": "assets/benchmark-fixtures/loudness-sine-minus12-to-minus23.wav", "bytes": 192044, "sha256": "745a344cde80bd092cf7b27d3773dd126b1774cb4dce869f5cef6f2fbf689122", "license": "CC0-1.0", "synthesis": { "kind": "steady-sine", "sampleRate": 24000, "channels": 1, "durationSeconds": 4, "frequencyHz": 1000, "requestedSamplePeakDbfs": -12, "actualSamplePeakDbfs": -11.9999, "actualRmsDbfs": -15.0107, "independentSineEnergyReferenceLufs": -15.7017 } }, { "id": "loudness-sine-minus24-to-minus16", "file": "assets/benchmark-fixtures/loudness-sine-minus24-to-minus16.wav", "bytes": 192044, "sha256": "edace713908a887d5a5d37ad00116fbf0093eeda36982ff3e7ac4666642f5453", "license": "CC0-1.0", "synthesis": { "kind": "steady-sine", "sampleRate": 24000, "channels": 1, "durationSeconds": 4, "frequencyHz": 1000, "requestedSamplePeakDbfs": -24, "actualSamplePeakDbfs": -23.998, "actualRmsDbfs": -27.0103, "independentSineEnergyReferenceLufs": -27.7013 } } ], "tools": [ { "slug": "bpm-detector", "result": "PASS", "summary": "6/6 synthetic tempo cases matched; slow/fast folding is reported as declared half/double ambiguity, not exact raw-tempo recovery.", "networkDataFlow": { "requestsDuringWorkflow": 0, "payloadRequests": 0, "crossOriginRequests": 0, "nonGetRequests": 0, "badResponses": 0, "failedRequests": 0 }, "cases": [ { "id": "bpm-80", "result": "PASS", "inputFixture": "assets/benchmark-fixtures/bpm-80.wav", "expected": { "knownTempoBpm": 80, "displayedTempoBpm": 80, "classification": "exact" }, "observed": { "displayedTempoBpm": 80, "absoluteErrorBpm": 0, "statusText": "Done — 8.0s analyzed, bpm-80." }, "tolerance": { "absoluteBpm": 1, "rationale": "Fixed before execution from 200 Hz envelope-frame quantization plus one-decimal UI reporting." }, "assertions": [ { "name": "real UI workflow completed", "pass": true, "evidence": "Done — 8.0s analyzed, bpm-80." }, { "name": "known tempo matched", "pass": true, "evidence": "known 80 BPM; expected UI 80 BPM; observed 80 BPM; absolute error 0 BPM" }, { "name": "no workflow network request", "pass": true, "evidence": "0 request(s) after file selection" }, { "name": "no console or page error", "pass": true, "evidence": "0 console error(s), 0 page error(s)" } ], "networkDataFlow": { "requestsDuringWorkflow": 0, "payloadRequests": 0, "crossOriginRequests": 0, "nonGetRequests": 0, "badResponses": 0, "failedRequests": 0, "requests": [] }, "limitations": [] }, { "id": "bpm-100", "result": "PASS", "inputFixture": "assets/benchmark-fixtures/bpm-100.wav", "expected": { "knownTempoBpm": 100, "displayedTempoBpm": 100, "classification": "exact" }, "observed": { "displayedTempoBpm": 100, "absoluteErrorBpm": 0, "statusText": "Done — 8.0s analyzed, bpm-100." }, "tolerance": { "absoluteBpm": 1, "rationale": "Fixed before execution from 200 Hz envelope-frame quantization plus one-decimal UI reporting." }, "assertions": [ { "name": "real UI workflow completed", "pass": true, "evidence": "Done — 8.0s analyzed, bpm-100." }, { "name": "known tempo matched", "pass": true, "evidence": "known 100 BPM; expected UI 100 BPM; observed 100 BPM; absolute error 0 BPM" }, { "name": "no workflow network request", "pass": true, "evidence": "0 request(s) after file selection" }, { "name": "no console or page error", "pass": true, "evidence": "0 console error(s), 0 page error(s)" } ], "networkDataFlow": { "requestsDuringWorkflow": 0, "payloadRequests": 0, "crossOriginRequests": 0, "nonGetRequests": 0, "badResponses": 0, "failedRequests": 0, "requests": [] }, "limitations": [] }, { "id": "bpm-128", "result": "PASS", "inputFixture": "assets/benchmark-fixtures/bpm-128.wav", "expected": { "knownTempoBpm": 128, "displayedTempoBpm": 128, "classification": "exact" }, "observed": { "displayedTempoBpm": 127.7, "absoluteErrorBpm": 0.3, "statusText": "Done — 8.0s analyzed, bpm-128." }, "tolerance": { "absoluteBpm": 1, "rationale": "Fixed before execution from 200 Hz envelope-frame quantization plus one-decimal UI reporting." }, "assertions": [ { "name": "real UI workflow completed", "pass": true, "evidence": "Done — 8.0s analyzed, bpm-128." }, { "name": "known tempo matched", "pass": true, "evidence": "known 128 BPM; expected UI 128 BPM; observed 127.7 BPM; absolute error 0.29999999999999716 BPM" }, { "name": "no workflow network request", "pass": true, "evidence": "0 request(s) after file selection" }, { "name": "no console or page error", "pass": true, "evidence": "0 console error(s), 0 page error(s)" } ], "networkDataFlow": { "requestsDuringWorkflow": 0, "payloadRequests": 0, "crossOriginRequests": 0, "nonGetRequests": 0, "badResponses": 0, "failedRequests": 0, "requests": [] }, "limitations": [] }, { "id": "bpm-160", "result": "PASS", "inputFixture": "assets/benchmark-fixtures/bpm-160.wav", "expected": { "knownTempoBpm": 160, "displayedTempoBpm": 160, "classification": "exact" }, "observed": { "displayedTempoBpm": 160, "absoluteErrorBpm": 0, "statusText": "Done — 8.0s analyzed, bpm-160." }, "tolerance": { "absoluteBpm": 1, "rationale": "Fixed before execution from 200 Hz envelope-frame quantization plus one-decimal UI reporting." }, "assertions": [ { "name": "real UI workflow completed", "pass": true, "evidence": "Done — 8.0s analyzed, bpm-160." }, { "name": "known tempo matched", "pass": true, "evidence": "known 160 BPM; expected UI 160 BPM; observed 160 BPM; absolute error 0 BPM" }, { "name": "no workflow network request", "pass": true, "evidence": "0 request(s) after file selection" }, { "name": "no console or page error", "pass": true, "evidence": "0 console error(s), 0 page error(s)" } ], "networkDataFlow": { "requestsDuringWorkflow": 0, "payloadRequests": 0, "crossOriginRequests": 0, "nonGetRequests": 0, "badResponses": 0, "failedRequests": 0, "requests": [] }, "limitations": [] }, { "id": "bpm-60-double-time", "result": "PASS_WITH_DECLARED_AMBIGUITY", "inputFixture": "assets/benchmark-fixtures/bpm-60-double-time.wav", "expected": { "knownTempoBpm": 60, "displayedTempoBpm": 120, "classification": "declared-double-time-ambiguity" }, "observed": { "displayedTempoBpm": 120, "absoluteErrorBpm": 0, "statusText": "Done — 8.0s analyzed, bpm-60-double-time." }, "tolerance": { "absoluteBpm": 1, "rationale": "Fixed before execution from 200 Hz envelope-frame quantization plus one-decimal UI reporting." }, "assertions": [ { "name": "real UI workflow completed", "pass": true, "evidence": "Done — 8.0s analyzed, bpm-60-double-time." }, { "name": "declared half/double interpretation matched", "pass": true, "evidence": "known 60 BPM; expected UI 120 BPM; observed 120 BPM; absolute error 0 BPM" }, { "name": "no workflow network request", "pass": true, "evidence": "0 request(s) after file selection" }, { "name": "no console or page error", "pass": true, "evidence": "0 console error(s), 0 page error(s)" } ], "networkDataFlow": { "requestsDuringWorkflow": 0, "payloadRequests": 0, "crossOriginRequests": 0, "nonGetRequests": 0, "badResponses": 0, "failedRequests": 0, "requests": [] }, "limitations": [ "The detector intentionally folds estimates below 70 BPM upward, so a 60 BPM pulse train is displayed as its 120 BPM double-time interpretation." ] }, { "id": "bpm-200-half-time", "result": "PASS_WITH_DECLARED_AMBIGUITY", "inputFixture": "assets/benchmark-fixtures/bpm-200-half-time.wav", "expected": { "knownTempoBpm": 200, "displayedTempoBpm": 100, "classification": "declared-half-time-ambiguity" }, "observed": { "displayedTempoBpm": 100, "absoluteErrorBpm": 0, "statusText": "Done — 8.0s analyzed, bpm-200-half-time." }, "tolerance": { "absoluteBpm": 1, "rationale": "Fixed before execution from 200 Hz envelope-frame quantization plus one-decimal UI reporting." }, "assertions": [ { "name": "real UI workflow completed", "pass": true, "evidence": "Done — 8.0s analyzed, bpm-200-half-time." }, { "name": "declared half/double interpretation matched", "pass": true, "evidence": "known 200 BPM; expected UI 100 BPM; observed 100 BPM; absolute error 0 BPM" }, { "name": "no workflow network request", "pass": true, "evidence": "0 request(s) after file selection" }, { "name": "no console or page error", "pass": true, "evidence": "0 console error(s), 0 page error(s)" } ], "networkDataFlow": { "requestsDuringWorkflow": 0, "payloadRequests": 0, "crossOriginRequests": 0, "nonGetRequests": 0, "badResponses": 0, "failedRequests": 0, "requests": [] }, "limitations": [ "The detector intentionally folds estimates above 180 BPM downward, so a 200 BPM pulse train is displayed as its 100 BPM half-time interpretation." ] } ] }, { "slug": "key-finder", "result": "PASS", "summary": "6/6 authored triad-progression keys matched exact root, mode and Camelot code. Mismatches remain FAIL and expose the estimator's current tonal-profile limitations.", "networkDataFlow": { "requestsDuringWorkflow": 0, "payloadRequests": 0, "crossOriginRequests": 0, "nonGetRequests": 0, "badResponses": 0, "failedRequests": 0 }, "cases": [ { "id": "key-c-major", "result": "PASS", "inputFixture": "assets/benchmark-fixtures/key-c-major.wav", "expected": { "musicalKey": "C major", "camelotCode": "8B", "progression": "I-IV-V-I-I in C major", "chords": [ [ "C", "E", "G" ], [ "F", "A", "C" ], [ "G", "B", "D" ], [ "C", "E", "G" ], [ "C", "E", "G" ] ] }, "observed": { "musicalKey": "C major", "camelotCode": "8B", "incidentalBpmEstimate": 107, "statusText": "Done — 10.0s analyzed, key-c-major." }, "tolerance": { "rootAndMode": "exact", "camelotCode": "exact" }, "assertions": [ { "name": "real UI workflow completed", "pass": true, "evidence": "Done — 10.0s analyzed, key-c-major." }, { "name": "root and mode matched exactly", "pass": true, "evidence": "expected C major; observed C major" }, { "name": "Camelot code matched expected key", "pass": true, "evidence": "expected 8B; observed 8B" }, { "name": "no workflow network request", "pass": true, "evidence": "0 request(s) after file selection" }, { "name": "no console or page error", "pass": true, "evidence": "0 console error(s), 0 page error(s)" } ], "networkDataFlow": { "requestsDuringWorkflow": 0, "payloadRequests": 0, "crossOriginRequests": 0, "nonGetRequests": 0, "badResponses": 0, "failedRequests": 0, "requests": [] }, "limitations": [] }, { "id": "key-d-major", "result": "PASS", "inputFixture": "assets/benchmark-fixtures/key-d-major.wav", "expected": { "musicalKey": "D major", "camelotCode": "10B", "progression": "I-IV-V-I-I in D major", "chords": [ [ "D", "F#", "A" ], [ "G", "B", "D" ], [ "A", "C#", "E" ], [ "D", "F#", "A" ], [ "D", "F#", "A" ] ] }, "observed": { "musicalKey": "D major", "camelotCode": "10B", "incidentalBpmEstimate": 95, "statusText": "Done — 10.0s analyzed, key-d-major." }, "tolerance": { "rootAndMode": "exact", "camelotCode": "exact" }, "assertions": [ { "name": "real UI workflow completed", "pass": true, "evidence": "Done — 10.0s analyzed, key-d-major." }, { "name": "root and mode matched exactly", "pass": true, "evidence": "expected D major; observed D major" }, { "name": "Camelot code matched expected key", "pass": true, "evidence": "expected 10B; observed 10B" }, { "name": "no workflow network request", "pass": true, "evidence": "0 request(s) after file selection" }, { "name": "no console or page error", "pass": true, "evidence": "0 console error(s), 0 page error(s)" } ], "networkDataFlow": { "requestsDuringWorkflow": 0, "payloadRequests": 0, "crossOriginRequests": 0, "nonGetRequests": 0, "badResponses": 0, "failedRequests": 0, "requests": [] }, "limitations": [] }, { "id": "key-f-major", "result": "PASS", "inputFixture": "assets/benchmark-fixtures/key-f-major.wav", "expected": { "musicalKey": "F major", "camelotCode": "7B", "progression": "I-IV-V-I-I in F major", "chords": [ [ "F", "A", "C" ], [ "A#", "D", "F" ], [ "C", "E", "G" ], [ "F", "A", "C" ], [ "F", "A", "C" ] ] }, "observed": { "musicalKey": "F major", "camelotCode": "7B", "incidentalBpmEstimate": 94, "statusText": "Done — 10.0s analyzed, key-f-major." }, "tolerance": { "rootAndMode": "exact", "camelotCode": "exact" }, "assertions": [ { "name": "real UI workflow completed", "pass": true, "evidence": "Done — 10.0s analyzed, key-f-major." }, { "name": "root and mode matched exactly", "pass": true, "evidence": "expected F major; observed F major" }, { "name": "Camelot code matched expected key", "pass": true, "evidence": "expected 7B; observed 7B" }, { "name": "no workflow network request", "pass": true, "evidence": "0 request(s) after file selection" }, { "name": "no console or page error", "pass": true, "evidence": "0 console error(s), 0 page error(s)" } ], "networkDataFlow": { "requestsDuringWorkflow": 0, "payloadRequests": 0, "crossOriginRequests": 0, "nonGetRequests": 0, "badResponses": 0, "failedRequests": 0, "requests": [] }, "limitations": [] }, { "id": "key-g-major", "result": "PASS", "inputFixture": "assets/benchmark-fixtures/key-g-major.wav", "expected": { "musicalKey": "G major", "camelotCode": "9B", "progression": "I-IV-V-I-I in G major", "chords": [ [ "G", "B", "D" ], [ "C", "E", "G" ], [ "D", "F#", "A" ], [ "G", "B", "D" ], [ "G", "B", "D" ] ] }, "observed": { "musicalKey": "G major", "camelotCode": "9B", "incidentalBpmEstimate": 107, "statusText": "Done — 10.0s analyzed, key-g-major." }, "tolerance": { "rootAndMode": "exact", "camelotCode": "exact" }, "assertions": [ { "name": "real UI workflow completed", "pass": true, "evidence": "Done — 10.0s analyzed, key-g-major." }, { "name": "root and mode matched exactly", "pass": true, "evidence": "expected G major; observed G major" }, { "name": "Camelot code matched expected key", "pass": true, "evidence": "expected 9B; observed 9B" }, { "name": "no workflow network request", "pass": true, "evidence": "0 request(s) after file selection" }, { "name": "no console or page error", "pass": true, "evidence": "0 console error(s), 0 page error(s)" } ], "networkDataFlow": { "requestsDuringWorkflow": 0, "payloadRequests": 0, "crossOriginRequests": 0, "nonGetRequests": 0, "badResponses": 0, "failedRequests": 0, "requests": [] }, "limitations": [] }, { "id": "key-a-minor", "result": "PASS", "inputFixture": "assets/benchmark-fixtures/key-a-minor.wav", "expected": { "musicalKey": "A minor", "camelotCode": "8A", "progression": "i-iv-V-i-i in A harmonic minor", "chords": [ [ "A", "C", "E" ], [ "D", "F", "A" ], [ "E", "G#", "B" ], [ "A", "C", "E" ], [ "A", "C", "E" ] ] }, "observed": { "musicalKey": "A minor", "camelotCode": "8A", "incidentalBpmEstimate": 107, "statusText": "Done — 10.0s analyzed, key-a-minor." }, "tolerance": { "rootAndMode": "exact", "camelotCode": "exact" }, "assertions": [ { "name": "real UI workflow completed", "pass": true, "evidence": "Done — 10.0s analyzed, key-a-minor." }, { "name": "root and mode matched exactly", "pass": true, "evidence": "expected A minor; observed A minor" }, { "name": "Camelot code matched expected key", "pass": true, "evidence": "expected 8A; observed 8A" }, { "name": "no workflow network request", "pass": true, "evidence": "0 request(s) after file selection" }, { "name": "no console or page error", "pass": true, "evidence": "0 console error(s), 0 page error(s)" } ], "networkDataFlow": { "requestsDuringWorkflow": 0, "payloadRequests": 0, "crossOriginRequests": 0, "nonGetRequests": 0, "badResponses": 0, "failedRequests": 0, "requests": [] }, "limitations": [] }, { "id": "key-e-minor", "result": "PASS", "inputFixture": "assets/benchmark-fixtures/key-e-minor.wav", "expected": { "musicalKey": "E minor", "camelotCode": "9A", "progression": "i-iv-v-i-i in E natural minor", "chords": [ [ "E", "G", "B" ], [ "A", "C", "E" ], [ "B", "D", "F#" ], [ "E", "G", "B" ], [ "E", "G", "B" ] ] }, "observed": { "musicalKey": "E minor", "camelotCode": "9A", "incidentalBpmEstimate": 107, "statusText": "Done — 10.0s analyzed, key-e-minor." }, "tolerance": { "rootAndMode": "exact", "camelotCode": "exact" }, "assertions": [ { "name": "real UI workflow completed", "pass": true, "evidence": "Done — 10.0s analyzed, key-e-minor." }, { "name": "root and mode matched exactly", "pass": true, "evidence": "expected E minor; observed E minor" }, { "name": "Camelot code matched expected key", "pass": true, "evidence": "expected 9A; observed 9A" }, { "name": "no workflow network request", "pass": true, "evidence": "0 request(s) after file selection" }, { "name": "no console or page error", "pass": true, "evidence": "0 console error(s), 0 page error(s)" } ], "networkDataFlow": { "requestsDuringWorkflow": 0, "payloadRequests": 0, "crossOriginRequests": 0, "nonGetRequests": 0, "badResponses": 0, "failedRequests": 0, "requests": [] }, "limitations": [] } ] }, { "slug": "loudness-normalizer", "result": "PASS", "summary": "2/2 known-level sine cases passed visible measurement, normalization, downloaded-WAV and data-flow assertions.", "networkDataFlow": { "requestsDuringWorkflow": 0, "payloadRequests": 0, "crossOriginRequests": 0, "nonGetRequests": 0, "badResponses": 0, "failedRequests": 0 }, "cases": [ { "id": "loudness-sine-minus12-to-minus23", "result": "PASS", "inputFixture": "assets/benchmark-fixtures/loudness-sine-minus12-to-minus23.wav", "expected": { "generatedSamplePeakDbfs": -11.9999, "generatedRmsDbfs": -15.0107, "independentSineEnergyReferenceLufs": -15.7017, "normalizationTargetLufs": -23, "measurementKind": "integrated-LUFS estimate and sample peak" }, "observed": { "visibleInputLufs": -15, "visibleInputSamplePeakDbfs": -12, "visibleOutputLufs": -23, "visibleOutputSamplePeakDbfs": -20, "downloadedWavBytes": 384044, "downloadedWavSamplePeakDbfs": -19.9598, "downloadedWavRmsDbfs": -22.9862, "downloadedWavSineEnergyReferenceLufs": -23.6772 }, "tolerance": { "inputSamplePeakDb": 0.15, "inputVsIndependentSineReferenceLu": 1, "normalizedUiVsTargetLu": 0.2, "downloadedWavVsIndependentSineReferenceLu": 1, "rationale": "Fixed before execution: one-decimal UI rounding for sample peak; a 1 LU allowance compares the in-browser K-weighted estimate with an intentionally simpler independent 1 kHz steady-sine energy reference." }, "assertions": [ { "name": "real UI measurement, normalize and WAV download completed", "pass": true, "evidence": "valid PCM16 WAV, 384044 bytes" }, { "name": "visible input sample peak matched generated fixture", "pass": true, "evidence": "fixture -12 dBFS; UI -12 dBFS; error 0 dB" }, { "name": "visible LUFS matched independent steady-sine energy reference", "pass": true, "evidence": "reference -15.7 LUFS; UI -15 LUFS; error 0.7 LU" }, { "name": "visible post-normalization LUFS reached target", "pass": true, "evidence": "target -23 LUFS; UI after -23 LUFS; error 0 LU" }, { "name": "downloaded WAV energy remained near target", "pass": true, "evidence": "target -23 LUFS; independent WAV reference -23.68 LUFS; error 0.68 LU" }, { "name": "visible output sample peak matched downloaded WAV", "pass": true, "evidence": "UI -20 dBFS; WAV -19.96 dBFS; error 0.04 dB" }, { "name": "no workflow network request", "pass": true, "evidence": "0 request(s) after file selection" }, { "name": "no console or page error", "pass": true, "evidence": "0 console error(s), 0 page error(s)" } ], "networkDataFlow": { "requestsDuringWorkflow": 0, "payloadRequests": 0, "crossOriginRequests": 0, "nonGetRequests": 0, "badResponses": 0, "failedRequests": 0, "requests": [] }, "limitations": [ "The independent cross-check is a controlled 1 kHz steady-sine energy reference, not a certified broadcast meter.", "Peak assertions are sample-peak assertions only and do not cover inter-sample overs.", "This wave does not benchmark speech, music dynamics, multichannel weighting or codec round trips." ] }, { "id": "loudness-sine-minus24-to-minus16", "result": "PASS", "inputFixture": "assets/benchmark-fixtures/loudness-sine-minus24-to-minus16.wav", "expected": { "generatedSamplePeakDbfs": -23.998, "generatedRmsDbfs": -27.0103, "independentSineEnergyReferenceLufs": -27.7013, "normalizationTargetLufs": -16, "measurementKind": "integrated-LUFS estimate and sample peak" }, "observed": { "visibleInputLufs": -27, "visibleInputSamplePeakDbfs": -24, "visibleOutputLufs": -16, "visibleOutputSamplePeakDbfs": -13, "downloadedWavBytes": 384044, "downloadedWavSamplePeakDbfs": -12.9585, "downloadedWavRmsDbfs": -15.9855, "downloadedWavSineEnergyReferenceLufs": -16.6765 }, "tolerance": { "inputSamplePeakDb": 0.15, "inputVsIndependentSineReferenceLu": 1, "normalizedUiVsTargetLu": 0.2, "downloadedWavVsIndependentSineReferenceLu": 1, "rationale": "Fixed before execution: one-decimal UI rounding for sample peak; a 1 LU allowance compares the in-browser K-weighted estimate with an intentionally simpler independent 1 kHz steady-sine energy reference." }, "assertions": [ { "name": "real UI measurement, normalize and WAV download completed", "pass": true, "evidence": "valid PCM16 WAV, 384044 bytes" }, { "name": "visible input sample peak matched generated fixture", "pass": true, "evidence": "fixture -24 dBFS; UI -24 dBFS; error 0 dB" }, { "name": "visible LUFS matched independent steady-sine energy reference", "pass": true, "evidence": "reference -27.7 LUFS; UI -27 LUFS; error 0.7 LU" }, { "name": "visible post-normalization LUFS reached target", "pass": true, "evidence": "target -16 LUFS; UI after -16 LUFS; error 0 LU" }, { "name": "downloaded WAV energy remained near target", "pass": true, "evidence": "target -16 LUFS; independent WAV reference -16.68 LUFS; error 0.68 LU" }, { "name": "visible output sample peak matched downloaded WAV", "pass": true, "evidence": "UI -13 dBFS; WAV -12.96 dBFS; error 0.04 dB" }, { "name": "no workflow network request", "pass": true, "evidence": "0 request(s) after file selection" }, { "name": "no console or page error", "pass": true, "evidence": "0 console error(s), 0 page error(s)" } ], "networkDataFlow": { "requestsDuringWorkflow": 0, "payloadRequests": 0, "crossOriginRequests": 0, "nonGetRequests": 0, "badResponses": 0, "failedRequests": 0, "requests": [] }, "limitations": [ "The independent cross-check is a controlled 1 kHz steady-sine energy reference, not a certified broadcast meter.", "Peak assertions are sample-peak assertions only and do not cover inter-sample overs.", "This wave does not benchmark speech, music dynamics, multichannel weighting or codec round trips." ] } ] } ], "limitations": [ "Synthetic fixtures isolate deterministic behavior; they do not represent the full diversity of mastered music or noisy field recordings.", "BPM coverage is a controlled click grid; syncopation, swing, changing tempo and rubato are outside this wave.", "Key coverage uses six authored triad progressions. A wrong root or mode remains FAIL even when the observed label is harmonically related.", "Loudness coverage uses steady mono 1 kHz tones and sample-peak checks; it is not a certified meter conformance suite.", "The browser may resample a source WAV to its AudioContext rate; this benchmark intentionally measures the public browser behavior rather than a direct Node-only DSP invocation." ], "fatalError": null }