{ "result": "PASS", "checkedAt": "2026-11-15T03:50:01.468059+00:00", "originalSentences": 15, "totalSentences": 39, "originalPercent": 38.46153846153846, "freshRepairEvidenceSentences": 5, "notGoogleMetric": true, "newArticles": 0, "pageSha256": "89e829f5950873fd2548e297fff31dd73645eb887fb0e2d7a24942ac848ea9f2", "scope": "Complete article main including original baseline, new repair section, methods, limitations and CTA; headings/navigation/raw table fields excluded. Historical baseline evidence distinguished from fresh repair findings; ratio is internal bookkeeping, not product correctness or a Google metric.", "sentences": [ { "id": "S001", "text": "To convert M4A to MIDI, use Local note transcription for a short recording of one instrument, then check and edit the downloaded notes; the tested AAC and sixteen-bit ALAC examples now complete locally, while an unsupported codec may still need a local WAV copy.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "browser-verification.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "R001", "text": "The repaired default Local note transcription path produced twelve nonempty browser downloads from the same twelve inputs that previously produced six files, with three ALAC decoding failures and three no-note outcomes.", "originalUsefulEvidence": true, "freshRepairEvidence": true, "evidence": "native-retest.json", "scope": "fresh same-input repair measurement" }, { "id": "R002", "text": "This is three reused human-performance windows through four paths each, all with Balanced sensitivity, rather than twelve independent recordings or a measured real-user conversion rate.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "repair-validation.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "R003", "text": "Across the four guitar paths, the saved MIDI now matches sixteen of sixteen reference attacks, misses none and contains twenty-seven unmatched events out of forty-three outputs.", "originalUsefulEvidence": true, "freshRepairEvidence": true, "evidence": "native-retest.json", "scope": "fresh same-input repair measurement" }, { "id": "R004", "text": "The first piano window now matches twenty-four of twenty-five reference attacks and misses one, with sixty AAC-path outputs versus sixty-two ALAC-path outputs and thirty-six versus thirty-eight unmatched events.", "originalUsefulEvidence": true, "freshRepairEvidence": true, "evidence": "native-retest.json", "scope": "fresh same-input repair measurement" }, { "id": "R005", "text": "The second piano window now matches twenty-one of twenty-four reference attacks and misses three, with fifty-five outputs in three paths and fifty-six in the AAC-decoded WAV path, leaving thirty-four or thirty-five unmatched events.", "originalUsefulEvidence": true, "freshRepairEvidence": true, "evidence": "native-retest.json", "scope": "fresh same-input repair measurement" }, { "id": "R006", "text": "Exact MIDI pitch and an onset within fifty milliseconds are still required in reference order, without a fitted shift or octave credit, so a successful download does not mean that every generated event is correct.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "repair-validation.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "R007", "text": "The local ALAC fallback returned exactly 242550 samples for each of the three controlled inputs, with zero PCM differences against the corresponding decoded WAV, after correcting the decoder’s final-frame padding.", "originalUsefulEvidence": true, "freshRepairEvidence": true, "evidence": "decoder-pcm-verification.json", "scope": "fresh same-input repair measurement" }, { "id": "R008", "text": "That fallback currently handles sixteen-bit ALAC, while twenty-four-bit ALAC and other untested M4A profiles may still need a browser-supported local WAV copy rather than an unsupported compatibility promise.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "THIRD-PARTY-NOTICES.txt", "scope": "definition, methods, scope, limits or CTA" }, { "id": "R009", "text": "Silence and the declared broadband white-noise control produced no notes after the signal guard was added, while all three real windows remained eligible, which does not establish rejection of every possible noise recording.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "integration-report.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "R010", "text": "The model, decoder and note analysis run locally, with same-site software downloads kept separate from audio-file processing, a source-verified application path that does not make claims about browser extensions or operating-system traffic.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "local-processing-review.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "R011", "text": "The default path uses Spotify Basic Pitch with pinned settings and may create simultaneous note events, but these one-instrument excerpts do not establish reliable full-mix separation or eliminate the editing indicated by the unmatched counts.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "THIRD-PARTY-NOTICES.txt", "scope": "definition, methods, scope, limits or CTA" }, { "id": "R012", "text": "The Original single-note detector remains selectable for comparison, and the earlier measurements below retain their original files, hashes, labels and scoring rather than being rewritten as repaired results.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "repair-validation.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "S002", "text": "Our controlled files put AAC or Apple Lossless audio in an M4A container and make a local PCM16 WAV counterpart, so the comparison changes the decoding path without claiming an authentic iPhone recording.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "input-generation.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "S003", "text": "All three ALAC M4A inputs stopped with the browser’s decode error, whereas their WAV counterparts reached note detection, identifying a codec-entry failure separately from the notes found afterward.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "browser-verification.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "S004", "text": "The guitar’s compatible paths each returned six events against sixteen scored attacks, with one strict match, fifteen missed references and five outputs not matched as new attacks.", "originalUsefulEvidence": true, "freshRepairEvidence": false, "evidence": "prose-findings.json", "scope": "preserved explicitly dated baseline" }, { "id": "S005", "text": "The accepted pitch-62 attack arrived 24.06 milliseconds early under the unchanged fifty-millisecond rule, giving one concrete timing check instead of a general accuracy promise.", "originalUsefulEvidence": true, "freshRepairEvidence": false, "evidence": "prose-findings.json", "scope": "preserved explicitly dated baseline" }, { "id": "S006", "text": "Its stored duration was 81.18 milliseconds shorter than the reference duration, so acceptance of that attack did not establish the correct release.", "originalUsefulEvidence": true, "freshRepairEvidence": false, "evidence": "prose-findings.json", "scope": "preserved explicitly dated baseline" }, { "id": "S007", "text": "The first saved pitch-58 event lasted 1.068 seconds from the crop boundary, while the same-pitch carried-in reference ended after 0.106 seconds, exposing a held-note length discrepancy outside the new-attack score.", "originalUsefulEvidence": true, "freshRepairEvidence": false, "evidence": "prose-findings.json", "scope": "preserved explicitly dated baseline" }, { "id": "S008", "text": "The saved guitar events ended at 4.086 seconds, before the two annotated pitch-53 attacks at 4.356 and 4.598 seconds, so a file that downloads can still omit the phrase’s tail.", "originalUsefulEvidence": true, "freshRepairEvidence": false, "evidence": "prose-findings.json", "scope": "preserved explicitly dated baseline" }, { "id": "S009", "text": "Carried-in notes are retained separately from newly annotated attacks, and an unmatched event under this rule is not automatically a fabricated sound.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "guitar15-aac-reference.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "S010", "text": "The first piano window contains twenty-five scored key attacks, but its AAC M4A and both WAV paths reported no stable melody notes and offered no MIDI download.", "originalUsefulEvidence": true, "freshRepairEvidence": false, "evidence": "browser-verification.json", "scope": "preserved explicitly dated baseline" }, { "id": "S011", "text": "Its ALAC M4A stopped earlier at decoding, so making the WAV copy cleared that entry gate without recovering a note in this example.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "browser-verification.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "S012", "text": "The webpage used the same generic decode-failure heading for this no-note result, but the detailed message and audio duration distinguished it from the ALAC decoder error.", "originalUsefulEvidence": true, "freshRepairEvidence": false, "evidence": "browser-piano36-aac-wav.jpg", "scope": "preserved explicitly dated baseline" }, { "id": "S013", "text": "The second piano window has twenty-four scored attacks, yet its compatible paths each saved one pitch-38 event with zero strict matches, twenty-four missed attacks and one unmatched output.", "originalUsefulEvidence": true, "freshRepairEvidence": false, "evidence": "prose-findings.json", "scope": "preserved explicitly dated baseline" }, { "id": "S014", "text": "That event began at 4.644 seconds and lasted 186.46 milliseconds in the downloaded MIDI, giving a specific location to inspect before editing.", "originalUsefulEvidence": true, "freshRepairEvidence": false, "evidence": "prose-findings.json", "scope": "preserved explicitly dated baseline" }, { "id": "S015", "text": "A separate fifty-millisecond pitch-class check finds references both one and three octaves higher, so the low event has two register candidates rather than a uniquely diagnosed octave error or a correct-pitch credit.", "originalUsefulEvidence": true, "freshRepairEvidence": false, "evidence": "prose-findings.json", "scope": "preserved explicitly dated baseline" }, { "id": "S016", "text": "Three already-held piano keys are retained as crop context rather than counted as new attacks, and hardware key release is not the same measurement as audible pedal decay.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "piano61-aac-reference.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "S017", "text": "For each nonempty clip, the actual AAC M4A, AAC WAV and ALAC WAV downloads were byte-identical, so WAV preparation changed neither the accepted nor rejected note events in these saved results.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "prose-findings.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "S018", "text": "All six actual downloads also matched their corresponding offline MIDI bytes, while the three empty offline MIDI files remain offline artifacts rather than invented browser downloads.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "browser-verification.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "S019", "text": "Reference-order nearest-unused matching requires the exact integer pitch and an onset within fifty milliseconds, without a fitted time shift, octave credit or a relaxed posthoc window.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "experiment-plan.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "S020", "text": "The AAC decoder produced 138 extra tail samples in this fixed FFmpeg path, but that input difference must not be turned into an unmeasured claim about a global Chrome or iPhone onset shift.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "input-generation.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "S021", "text": "The Piano Rolls are generated plots rather than DAW screenshots, and the empty piano plot represents the independently scored offline result because the webpage did not export a file for that case.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "quality-results.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "S022", "text": "Fresh regeneration matched eighty-five common inputs, MIDI files, scores, plots and metadata hashes, validating the offline pipeline separately from the twelve native browser observations.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "offline-reproduction.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "S023", "text": "The batch reuses licensed GuitarSet and Vienna4x22 human performances with declared crops and controlled exports, so it is not three independent performers, natural phone-capture validation or a mobile Safari test.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "ATTRIBUTION.md", "scope": "definition, methods, scope, limits or CTA" }, { "id": "S024", "text": "Guitar string-label uncertainty, piano timing calibration, carried-in notes and acoustic sustain limit what these annotation-relative counts establish, and no overall accuracy percentage is reported.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "experiment-plan.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "S025", "text": "During the observed last WAV selection and one-event MIDI generation, Chrome’s unfiltered Network list remained empty, a scoped local-conversion check that does not cover initial assets, analytics, extensions or other files.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "local-network-verification.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "S026", "text": "Keep a local WAV fallback for a genuine decoder failure, then inspect the saved pitches, attacks and endings; an empty or incomplete single-pitch draft calls for a clearer part or a suitable transcription method rather than another filename change.", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "prose-findings.json", "scope": "definition, methods, scope, limits or CTA" }, { "id": "U39", "text": "Have a clean, isolated melody?", "originalUsefulEvidence": false, "freshRepairEvidence": false, "evidence": "", "scope": "Other main or CTA prose included" } ] }