{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:LJITYA7KS5RQMBXTNZ6PLZF2YQ","short_pith_number":"pith:LJITYA7K","schema_version":"1.0","canonical_sha256":"5a513c03ea97630606f36e7cf5e4bac42def526e116446f8b44fac0e611f77c8","source":{"kind":"arxiv","id":"1305.2352","version":1},"attestation_state":"computed","paper":{"title":"Speech Enhancement Using Pitch Detection Approach For Noisy Environment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CL"],"primary_cat":"cs.SD","authors_text":"Rashmi Makhijani, Urmila Shrawankar, V M Thakare","submitted_at":"2013-05-09T08:39:11Z","abstract_excerpt":"Acoustical mismatch among training and testing phases degrades outstandingly speech recognition results. This problem has limited the development of real-world nonspecific applications, as testing conditions are highly variant or even unpredictable during the training process. Therefore the background noise has to be removed from the noisy speech signal to increase the signal intelligibility and to reduce the listener fatigue. Enhancement techniques applied, as pre-processing stages; to the systems remarkably improve recognition results. In this paper, a novel approach is used to enhance the p"},"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":"1305.2352","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2013-05-09T08:39:11Z","cross_cats_sorted":["cs.CL"],"title_canon_sha256":"736b8d62ac5a75f9fdfa338a7d2eb46ee7d3ca0c28e7a3522b32e55dedbd9b8f","abstract_canon_sha256":"410a3f64c6d26f411b934816f424bced9b76dd9be0e3141fb9a11c53635fc1d3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:26:00.248068Z","signature_b64":"1QnDRiJcg+q+T9rGqeRXwBOmMdCRCdYlJBv6Fepo/Xo/H4CDRe/FTnJjWS69R4Iw+NpafGWe1Sbl/fIVoHxbCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a513c03ea97630606f36e7cf5e4bac42def526e116446f8b44fac0e611f77c8","last_reissued_at":"2026-05-18T03:26:00.247508Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:26:00.247508Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Speech Enhancement Using Pitch Detection Approach For Noisy Environment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CL"],"primary_cat":"cs.SD","authors_text":"Rashmi Makhijani, Urmila Shrawankar, V M Thakare","submitted_at":"2013-05-09T08:39:11Z","abstract_excerpt":"Acoustical mismatch among training and testing phases degrades outstandingly speech recognition results. This problem has limited the development of real-world nonspecific applications, as testing conditions are highly variant or even unpredictable during the training process. Therefore the background noise has to be removed from the noisy speech signal to increase the signal intelligibility and to reduce the listener fatigue. Enhancement techniques applied, as pre-processing stages; to the systems remarkably improve recognition results. In this paper, a novel approach is used to enhance the p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.2352","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":"1305.2352","created_at":"2026-05-18T03:26:00.247602+00:00"},{"alias_kind":"arxiv_version","alias_value":"1305.2352v1","created_at":"2026-05-18T03:26:00.247602+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.2352","created_at":"2026-05-18T03:26:00.247602+00:00"},{"alias_kind":"pith_short_12","alias_value":"LJITYA7KS5RQ","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_16","alias_value":"LJITYA7KS5RQMBXT","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_8","alias_value":"LJITYA7K","created_at":"2026-05-18T12:27:51.066281+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/LJITYA7KS5RQMBXTNZ6PLZF2YQ","json":"https://pith.science/pith/LJITYA7KS5RQMBXTNZ6PLZF2YQ.json","graph_json":"https://pith.science/api/pith-number/LJITYA7KS5RQMBXTNZ6PLZF2YQ/graph.json","events_json":"https://pith.science/api/pith-number/LJITYA7KS5RQMBXTNZ6PLZF2YQ/events.json","paper":"https://pith.science/paper/LJITYA7K"},"agent_actions":{"view_html":"https://pith.science/pith/LJITYA7KS5RQMBXTNZ6PLZF2YQ","download_json":"https://pith.science/pith/LJITYA7KS5RQMBXTNZ6PLZF2YQ.json","view_paper":"https://pith.science/paper/LJITYA7K","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1305.2352&json=true","fetch_graph":"https://pith.science/api/pith-number/LJITYA7KS5RQMBXTNZ6PLZF2YQ/graph.json","fetch_events":"https://pith.science/api/pith-number/LJITYA7KS5RQMBXTNZ6PLZF2YQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LJITYA7KS5RQMBXTNZ6PLZF2YQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LJITYA7KS5RQMBXTNZ6PLZF2YQ/action/storage_attestation","attest_author":"https://pith.science/pith/LJITYA7KS5RQMBXTNZ6PLZF2YQ/action/author_attestation","sign_citation":"https://pith.science/pith/LJITYA7KS5RQMBXTNZ6PLZF2YQ/action/citation_signature","submit_replication":"https://pith.science/pith/LJITYA7KS5RQMBXTNZ6PLZF2YQ/action/replication_record"}},"created_at":"2026-05-18T03:26:00.247602+00:00","updated_at":"2026-05-18T03:26:00.247602+00:00"}