{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:NT3WZH5XQVYOOXOYCVXXM63XWL","short_pith_number":"pith:NT3WZH5X","schema_version":"1.0","canonical_sha256":"6cf76c9fb78570e75dd8156f767b77b2cc277822368b5b0c1416b1ccbe4290bf","source":{"kind":"arxiv","id":"1812.06697","version":1},"attestation_state":"computed","paper":{"title":"Circular Statistics-based low complexity DOA estimation for hearing aid application","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.AS"],"primary_cat":"cs.SD","authors_text":"David Pelegrin-Garcia, Lars D. Mosgaard, Michael J. Pihl, Pejman Mowlaee, Thomas B. Elmedyb","submitted_at":"2018-12-17T11:09:30Z","abstract_excerpt":"The proposed Circular statistics-based Inter-Microphone Phase difference estimation Localizer (CIMPL) method is tailored toward binaural hearing aid systems with microphone arrays in each unit. The method utilizes the circular statistics (circular mean and circular variance) of inter-microphone phase difference (IPD) across different microphone pairs. These IPDs are firstly mapped to time delays through a variance-weighted linear fit, then mapped to azimuth direction-of-arrival (DoA) and lastly information of different microphone pairs is combined. The variance is carried through the different"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1812.06697","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2018-12-17T11:09:30Z","cross_cats_sorted":["eess.AS"],"title_canon_sha256":"0f6f07ef5eb8d062733889c4b9651377e49d1a43a8d36914c3a0f583edcbaf25","abstract_canon_sha256":"c872c2838338561f7d4c8888bfd1f4a0c5e418e87c7141144bd4cd7653b7edf4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:09.544778Z","signature_b64":"rb5eJAchK9A/f99UQtCCmnY6qPM4LupA/fICinqCxMSySN9FBIUvtDrR6zONJc5xVH2DMmTr26RalCv3XeYnCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6cf76c9fb78570e75dd8156f767b77b2cc277822368b5b0c1416b1ccbe4290bf","last_reissued_at":"2026-05-17T23:58:09.544192Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:09.544192Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Circular Statistics-based low complexity DOA estimation for hearing aid application","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.AS"],"primary_cat":"cs.SD","authors_text":"David Pelegrin-Garcia, Lars D. Mosgaard, Michael J. Pihl, Pejman Mowlaee, Thomas B. Elmedyb","submitted_at":"2018-12-17T11:09:30Z","abstract_excerpt":"The proposed Circular statistics-based Inter-Microphone Phase difference estimation Localizer (CIMPL) method is tailored toward binaural hearing aid systems with microphone arrays in each unit. The method utilizes the circular statistics (circular mean and circular variance) of inter-microphone phase difference (IPD) across different microphone pairs. These IPDs are firstly mapped to time delays through a variance-weighted linear fit, then mapped to azimuth direction-of-arrival (DoA) and lastly information of different microphone pairs is combined. The variance is carried through the different"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.06697","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1812.06697","created_at":"2026-05-17T23:58:09.544268+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.06697v1","created_at":"2026-05-17T23:58:09.544268+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.06697","created_at":"2026-05-17T23:58:09.544268+00:00"},{"alias_kind":"pith_short_12","alias_value":"NT3WZH5XQVYO","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_16","alias_value":"NT3WZH5XQVYOOXOY","created_at":"2026-05-18T12:32:40.477152+00:00"},{"alias_kind":"pith_short_8","alias_value":"NT3WZH5X","created_at":"2026-05-18T12:32:40.477152+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/NT3WZH5XQVYOOXOYCVXXM63XWL","json":"https://pith.science/pith/NT3WZH5XQVYOOXOYCVXXM63XWL.json","graph_json":"https://pith.science/api/pith-number/NT3WZH5XQVYOOXOYCVXXM63XWL/graph.json","events_json":"https://pith.science/api/pith-number/NT3WZH5XQVYOOXOYCVXXM63XWL/events.json","paper":"https://pith.science/paper/NT3WZH5X"},"agent_actions":{"view_html":"https://pith.science/pith/NT3WZH5XQVYOOXOYCVXXM63XWL","download_json":"https://pith.science/pith/NT3WZH5XQVYOOXOYCVXXM63XWL.json","view_paper":"https://pith.science/paper/NT3WZH5X","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.06697&json=true","fetch_graph":"https://pith.science/api/pith-number/NT3WZH5XQVYOOXOYCVXXM63XWL/graph.json","fetch_events":"https://pith.science/api/pith-number/NT3WZH5XQVYOOXOYCVXXM63XWL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NT3WZH5XQVYOOXOYCVXXM63XWL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NT3WZH5XQVYOOXOYCVXXM63XWL/action/storage_attestation","attest_author":"https://pith.science/pith/NT3WZH5XQVYOOXOYCVXXM63XWL/action/author_attestation","sign_citation":"https://pith.science/pith/NT3WZH5XQVYOOXOYCVXXM63XWL/action/citation_signature","submit_replication":"https://pith.science/pith/NT3WZH5XQVYOOXOYCVXXM63XWL/action/replication_record"}},"created_at":"2026-05-17T23:58:09.544268+00:00","updated_at":"2026-05-17T23:58:09.544268+00:00"}