{"closest_prior_art":[{"name":"Analog motion-picture sound workflow","overlap":"Production audio was recorded on magnetic media that allowed direct monitoring and playback, carried embedded synchronization tones, was divided into selected takes or cues, and ultimately contributed to an optical track negative.","remaining_difference":"The documented workflow does not use a short erasable loop with passage-level overwrite locks, mandatory source-to-film acceptance before erasure, or a corpus organized specifically for literary-prosody research.","source_ids":["SRC3"]},{"name":"Native archival BWF field recording","overlap":"Preserves timing, dynamics, and metadata in a standard archival format while avoiding lossy compression and unnecessary format conversion.","remaining_difference":"It uses direct digital capture rather than an erasable magnetic selection layer followed by chemically fixed optical-film promotion; it is also the principal simpler rival to be tested.","source_ids":["SRC4"]},{"name":"Library of Congress literary-audio archives","overlap":"Large, durable collections of poets and prose writers reading their work have been recorded in laboratory and event settings since 1943.","remaining_difference":"The collection page does not establish co-recorded calibration, immediate loop review, selective optical-film transfer, or source-to-master fidelity reconciliation for prosodic measurement.","source_ids":["SRC2"]},{"name":"Measured corpus study of poetry-reading prosody","overlap":"Recorded readings are used to measure pauses, lengthening, intonation, verse-boundary behavior, and differences among performers.","remaining_difference":"The study establishes the scholarly objective but not the proposed magnetic-loop-to-optical-film preservation apparatus.","source_ids":["SRC1"]}],"contrastive_claim_falsifier":"A split-signal pilot falsifies the remaining claim if one native calibrated BWF recording equals or exceeds the dual-medium system on timing, amplitude, cue identity, retrieval, overwrite prevention, and delayed recovery while requiring no greater labor or cost, or if loop-to-film transfer exceeds predefined drift, clipping, or cue-displacement tolerances.","contrastive_claim_remaining":"For consented literary readings requiring selective retention, a protected short magnetic review layer followed by calibrated, inspected optical-film promotion may produce a more coherent selectively curated physical corpus than either undifferentiated continuous recording or recollection, while retaining measurable prosodic features. The benefit over a native calibrated BWF master remains unproven.","experiment_id":"eoa_inverse_innovation_exp13_second_slot_policy60_20260806","gates":{"adequate_source_search":{"rationale":"The bounded search covered exact proposal language, literary-reading and performed-prosody terminology, historical magnetic/optical workflows, archival products and standards, and component combinations. Four opened sources span four publishers and include primary research and official or standards material; no exact phrase match was treated as novelty evidence.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PASS"},"bounded_next_test":{"rationale":"A one-volunteer, public-domain-poem split-signal comparison can measure duration drift, amplitude error, cue displacement, clipping, handling time, retrieval, and accidental overwrite on expendable media. Established magnetic/optical workflow evidence and native-recording standards provide relevant comparators and acceptance dimensions.","source_ids":["SRC3","SRC4"],"status":"PASS"},"distinct_testable_claim":{"rationale":"The proposal makes a falsifiable comparison between a governed erasable-to-fixed two-medium path and a single calibrated permanent recording. Analog film practice supplies a close mechanism precedent, while archival guidance supplies a strong single-store alternative.","source_ids":["SRC3","SRC4"],"status":"PASS"},"no_obvious_safety_or_authority_stop":{"rationale":"The authorized pilot is limited to one consenting volunteer, a public-domain poem, expendable media, archivist-controlled handling, and no biometric or interpretive inference. Analog workflow complexity warrants competent handling, but the bounded test presents no evident categorical safety or authority prohibition.","source_ids":["SRC3","SRC4"],"status":"PASS"},"supported_problem":{"rationale":"Recorded poetry research demonstrably measures pauses, lengthening, intonation, and verse-boundary behavior, while major institutions preserve literary readings for later access. These sources support the value and transience of performed evidence, but do not establish that surviving recordings generally lack calibration, exact take identity, or durable masters.","source_ids":["SRC1","SRC2"],"status":"PASS"}},"prior_art_disposition":"ADJACENT_PRIOR_ART","problem_evidence":{"finding":"The need to preserve acoustic performance rather than text alone is visible: empirical poetry research relies on measurable pausing, timing, and intonation, and the Library of Congress maintains substantial recorded-literature archives. Evidence for the proposal's stronger claim of widespread calibration, labeling, and master-integrity failure is incomplete.","source_ids":["SRC1","SRC2"],"status":"PARTLY_SUPPORTED"},"research_id":"eoa_inverse_innovation_exp13_light_screen_20260806","schema_version":1,"screen_id":"E13P003","screen_survival":true,"search_lanes":{"component_combination":{"no_result_note":"No opened result disclosed the full combination of a short erasable loop, passage-level overwrite protection, post-session light-valve transfer to silver-halide film, and acceptance-before-erasure for literary readings.","queries":["magnetic tape loop transfer to optical soundtrack film light valve recorder","instantaneous magnetic recording selective transfer permanent optical film historical recorder","tape loop optical sound transfer recorder","poetry magnetic loop optical soundtrack archive"],"source_ids":["SRC3"]},"direct_problem_and_intervention":{"no_result_note":"Direct searches found poetry-prosody measurement and literary recording archives, but no direct implementation of the complete proposed apparatus.","queries":["poetry readings prosody archive recordings pitch pause timing scholarly research","literary readings calibrated recording prosody archive","prosodic corpus recording calibration reference tone poetry recitation"],"source_ids":["SRC1","SRC2"]},"products_practices_and_standards":{"no_result_note":null,"queries":["film production sound magnetic tape selected takes transfer optical sound negative academy leader tone slate workflow","audio archive poetry recordings calibrated speech corpus metadata recording standards","sound archive preservation optical soundtrack film magnetic tape transfer standard calibration tone slate"],"source_ids":["SRC2","SRC3","SRC4"]},"synonyms_and_historical_terms":{"no_result_note":null,"queries":["instantaneous magnetic recording selective transfer permanent optical film historical recorder","magnetic loop recorder immediate playback erase selective recording optical film soundtrack","style in performance prosody poetic recitation corpus","portable synchronous tape recorder optical track negative selected takes"],"source_ids":["SRC1","SRC3"]}},"sources":[{"claims_supported":["Recorded poetry can be analyzed empirically for pausing, lengthening, intonation, and verse-boundary phrasing.","Professional and lay readers exhibit measurably different prosodic timing strategies."],"publisher":"International Speech Communication Association","source_id":"SRC1","source_type":"PRIMARY_RESEARCH","title":"Effects of Meter, Genre and Experience on Pausing, Lengthening and Prosodic Phrasing in German Poetry Reading","url":"https://www.isca-archive.org/interspeech_2023/wagner23b_interspeech.html"},{"claims_supported":["The Archive of Recorded Poetry and Literature dates to 1943 and contains nearly 2,000 recordings.","Literary readings have been captured both at events and in Library of Congress recording-laboratory sessions."],"publisher":"Library of Congress","source_id":"SRC2","source_type":"OFFICIAL_GUIDANCE","title":"Audio Recordings | Poetry & Literature","url":"https://www.loc.gov/programs/poetry-and-literature/audio-recordings/"},{"claims_supported":["Magnetic sound enabled direct monitoring and playback unavailable with optical recording.","Synchronous tape carried embedded reference signals, was commonly an intermediate transferred to sprocketed magnetic film, and incurred generation loss.","Source reels were divided into takes, scenes, or cues, and optical track negatives became final-mix formats; surviving masters commonly include setup tones and labels."],"publisher":"Academy Digital Preservation Forum","source_id":"SRC3","source_type":"TRADE_PROFESSIONAL","title":"Understanding the Forgotten World of Analog Film Sound Workflow","url":"https://academydigitalpreservationforum.org/content/uploads/2024/07/Analog_Film_Sound_Workflow_for_Preservation.pdf"},{"claims_supported":["Archival field recordings should use standard linear WAV or BWF at suitable resolution.","Native recording directly to an archival format avoids format alteration and simplifies archiving.","Lossy formats can introduce time- and spectral-domain artifacts that interfere with analysis."],"publisher":"International Association of Sound and Audiovisual Archives","source_id":"SRC4","source_type":"OFFICIAL_STANDARD","title":"5.7.2 Field Recording Standards","url":"https://www.iasa-web.org/tc04/field-recording-standards"}],"world_novelty_boundary":"This bounded public-web screen found close component and workflow precedents but no opened source implementing the complete literary-prosody loop-to-fixed-film system. That absence establishes neither world novelty nor patentability, market size, expert acceptance, realized value, or superiority over calibrated native digital recording."}