{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:SJFEZOH2R3AQHJKWQ4SDSRU7X4","short_pith_number":"pith:SJFEZOH2","schema_version":"1.0","canonical_sha256":"924a4cb8fa8ec103a556872439469fbf11da95eabaf3146e7197070bca69ef28","source":{"kind":"arxiv","id":"1906.08968","version":1},"attestation_state":"computed","paper":{"title":"Mirage: 2D Source Localization Using Microphone Pair Augmentation with Echoes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.SP","physics.class-ph"],"primary_cat":"eess.AS","authors_text":"Antoine Deleforge (MULTISPEECH), Diego Di Carlo (PANAMA), Nancy Bertin (PANAMA)","submitted_at":"2019-06-21T06:19:27Z","abstract_excerpt":"It is commonly observed that acoustic echoes hurt performance of sound source localization (SSL) methods. We introduce the concept of microphone array augmentation with echoes (MIRAGE) and show how estimation of early-echo characteristics can in fact benefit SSL. We propose a learning-based scheme for echo estimation combined with a physics-based scheme for echo aggregation. In a simple scenario involving 2 microphones close to a reflective surface and one source, we show using simulated data that the proposed approach performs similarly to a correlation-based method in azimuth estimation whil"},"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":"1906.08968","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2019-06-21T06:19:27Z","cross_cats_sorted":["eess.SP","physics.class-ph"],"title_canon_sha256":"2b4c8b024eaf602aaf4a4e9d801241b497929d67743a962bf453a5daf1aced42","abstract_canon_sha256":"e6384244e77f22ed121f19e3d1651133db1525c8b371b511eedcbc5a0bdd27c6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:47.219536Z","signature_b64":"XtLd+WAiPKD6QIoWUXFjMcOxqUatG8qKy+/JmxeM5Y75bkTDjZhUt9iv9jicYWU79qgU8Qu7TcsCrHPcM3ezAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"924a4cb8fa8ec103a556872439469fbf11da95eabaf3146e7197070bca69ef28","last_reissued_at":"2026-05-17T23:42:47.218876Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:47.218876Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Mirage: 2D Source Localization Using Microphone Pair Augmentation with Echoes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.SP","physics.class-ph"],"primary_cat":"eess.AS","authors_text":"Antoine Deleforge (MULTISPEECH), Diego Di Carlo (PANAMA), Nancy Bertin (PANAMA)","submitted_at":"2019-06-21T06:19:27Z","abstract_excerpt":"It is commonly observed that acoustic echoes hurt performance of sound source localization (SSL) methods. We introduce the concept of microphone array augmentation with echoes (MIRAGE) and show how estimation of early-echo characteristics can in fact benefit SSL. We propose a learning-based scheme for echo estimation combined with a physics-based scheme for echo aggregation. In a simple scenario involving 2 microphones close to a reflective surface and one source, we show using simulated data that the proposed approach performs similarly to a correlation-based method in azimuth estimation whil"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.08968","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":"1906.08968","created_at":"2026-05-17T23:42:47.218966+00:00"},{"alias_kind":"arxiv_version","alias_value":"1906.08968v1","created_at":"2026-05-17T23:42:47.218966+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.08968","created_at":"2026-05-17T23:42:47.218966+00:00"},{"alias_kind":"pith_short_12","alias_value":"SJFEZOH2R3AQ","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_16","alias_value":"SJFEZOH2R3AQHJKW","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_8","alias_value":"SJFEZOH2","created_at":"2026-05-18T12:33:27.125529+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1906.08968","citing_title":"Mirage: 2D Source Localization Using Microphone Pair Augmentation with Echoes","ref_index":1,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/SJFEZOH2R3AQHJKWQ4SDSRU7X4","json":"https://pith.science/pith/SJFEZOH2R3AQHJKWQ4SDSRU7X4.json","graph_json":"https://pith.science/api/pith-number/SJFEZOH2R3AQHJKWQ4SDSRU7X4/graph.json","events_json":"https://pith.science/api/pith-number/SJFEZOH2R3AQHJKWQ4SDSRU7X4/events.json","paper":"https://pith.science/paper/SJFEZOH2"},"agent_actions":{"view_html":"https://pith.science/pith/SJFEZOH2R3AQHJKWQ4SDSRU7X4","download_json":"https://pith.science/pith/SJFEZOH2R3AQHJKWQ4SDSRU7X4.json","view_paper":"https://pith.science/paper/SJFEZOH2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1906.08968&json=true","fetch_graph":"https://pith.science/api/pith-number/SJFEZOH2R3AQHJKWQ4SDSRU7X4/graph.json","fetch_events":"https://pith.science/api/pith-number/SJFEZOH2R3AQHJKWQ4SDSRU7X4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SJFEZOH2R3AQHJKWQ4SDSRU7X4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SJFEZOH2R3AQHJKWQ4SDSRU7X4/action/storage_attestation","attest_author":"https://pith.science/pith/SJFEZOH2R3AQHJKWQ4SDSRU7X4/action/author_attestation","sign_citation":"https://pith.science/pith/SJFEZOH2R3AQHJKWQ4SDSRU7X4/action/citation_signature","submit_replication":"https://pith.science/pith/SJFEZOH2R3AQHJKWQ4SDSRU7X4/action/replication_record"}},"created_at":"2026-05-17T23:42:47.218966+00:00","updated_at":"2026-05-17T23:42:47.218966+00:00"}