{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:FBYAIFU3P6U3U26JF5O4IIP4RF","short_pith_number":"pith:FBYAIFU3","canonical_record":{"source":{"id":"2111.01342","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2021-11-02T03:00:19Z","cross_cats_sorted":["cs.HC","eess.AS"],"title_canon_sha256":"7e9dda04a4056dd152c8e9ffb98a543785e8a74448736a01d8b18b2c3012ecd4","abstract_canon_sha256":"65d6a404a56a721b1066a6ac06bdf821d813d39109db21658b38b638a091293d"},"schema_version":"1.0"},"canonical_sha256":"287004169b7fa9ba6bc92f5dc421fc894c9c82cc85cb921326a9b4fa47372942","source":{"kind":"arxiv","id":"2111.01342","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.01342","created_at":"2026-07-05T03:28:01Z"},{"alias_kind":"arxiv_version","alias_value":"2111.01342v1","created_at":"2026-07-05T03:28:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.01342","created_at":"2026-07-05T03:28:01Z"},{"alias_kind":"pith_short_12","alias_value":"FBYAIFU3P6U3","created_at":"2026-07-05T03:28:01Z"},{"alias_kind":"pith_short_16","alias_value":"FBYAIFU3P6U3U26J","created_at":"2026-07-05T03:28:01Z"},{"alias_kind":"pith_short_8","alias_value":"FBYAIFU3","created_at":"2026-07-05T03:28:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:FBYAIFU3P6U3U26JF5O4IIP4RF","target":"record","payload":{"canonical_record":{"source":{"id":"2111.01342","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2021-11-02T03:00:19Z","cross_cats_sorted":["cs.HC","eess.AS"],"title_canon_sha256":"7e9dda04a4056dd152c8e9ffb98a543785e8a74448736a01d8b18b2c3012ecd4","abstract_canon_sha256":"65d6a404a56a721b1066a6ac06bdf821d813d39109db21658b38b638a091293d"},"schema_version":"1.0"},"canonical_sha256":"287004169b7fa9ba6bc92f5dc421fc894c9c82cc85cb921326a9b4fa47372942","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:28:01.861000Z","signature_b64":"Exns+AFKDL6l5vk9sZIHnAJEy01vibaRphqIT5NK/26j/b9DBIvfWeFSlcah8+Tb9xgyglFVPqg4qKfZQ5VpCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"287004169b7fa9ba6bc92f5dc421fc894c9c82cc85cb921326a9b4fa47372942","last_reissued_at":"2026-07-05T03:28:01.860548Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:28:01.860548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.01342","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:28:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/LhiqJcu9xl4/k+jDXwOIzV3jwrIiDZd9njE71RsextlHysQoqSC5ZTVVyDEynLauUGQFS+g5T7ws7TVsAiQDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T06:25:17.493422Z"},"content_sha256":"dd6b09b1877fc8cb712dec2dea98dc0479aa50371f79a6bca506089c8963b640","schema_version":"1.0","event_id":"sha256:dd6b09b1877fc8cb712dec2dea98dc0479aa50371f79a6bca506089c8963b640"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:FBYAIFU3P6U3U26JF5O4IIP4RF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Attention-Guided Generative Adversarial Network for Whisper to Normal Speech Conversion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.HC","eess.AS"],"primary_cat":"cs.SD","authors_text":"Hon Keung Kwan, Huabin Wang, Jian Zhou, Liang Tao, Teng Gao","submitted_at":"2021-11-02T03:00:19Z","abstract_excerpt":"Whispered speech is a special way of pronunciation without using vocal cord vibration. A whispered speech does not contain a fundamental frequency, and its energy is about 20dB lower than that of a normal speech. Converting a whispered speech into a normal speech can improve speech quality and intelligibility. In this paper, a novel attention-guided generative adversarial network model incorporating an autoencoder, a Siamese neural network, and an identity mapping loss function for whisper to normal speech conversion (AGAN-W2SC) is proposed. The proposed method avoids the challenge of estimati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.01342","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2111.01342/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:28:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CPFS4UsZHIB6OW31QpRqOxzPW4oYGWGo7Im2X65bAmoE4cHTL4hiDZPcCovbkapZPgmi8LjXDWvJL1TdUw/WDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T06:25:17.493934Z"},"content_sha256":"c5ae6133f30cdf41a141b8d56cc561c23c92999594b005f199bc31ca6f8f3e51","schema_version":"1.0","event_id":"sha256:c5ae6133f30cdf41a141b8d56cc561c23c92999594b005f199bc31ca6f8f3e51"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FBYAIFU3P6U3U26JF5O4IIP4RF/bundle.json","state_url":"https://pith.science/pith/FBYAIFU3P6U3U26JF5O4IIP4RF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FBYAIFU3P6U3U26JF5O4IIP4RF/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-09T06:25:17Z","links":{"resolver":"https://pith.science/pith/FBYAIFU3P6U3U26JF5O4IIP4RF","bundle":"https://pith.science/pith/FBYAIFU3P6U3U26JF5O4IIP4RF/bundle.json","state":"https://pith.science/pith/FBYAIFU3P6U3U26JF5O4IIP4RF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FBYAIFU3P6U3U26JF5O4IIP4RF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:FBYAIFU3P6U3U26JF5O4IIP4RF","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"65d6a404a56a721b1066a6ac06bdf821d813d39109db21658b38b638a091293d","cross_cats_sorted":["cs.HC","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2021-11-02T03:00:19Z","title_canon_sha256":"7e9dda04a4056dd152c8e9ffb98a543785e8a74448736a01d8b18b2c3012ecd4"},"schema_version":"1.0","source":{"id":"2111.01342","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.01342","created_at":"2026-07-05T03:28:01Z"},{"alias_kind":"arxiv_version","alias_value":"2111.01342v1","created_at":"2026-07-05T03:28:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.01342","created_at":"2026-07-05T03:28:01Z"},{"alias_kind":"pith_short_12","alias_value":"FBYAIFU3P6U3","created_at":"2026-07-05T03:28:01Z"},{"alias_kind":"pith_short_16","alias_value":"FBYAIFU3P6U3U26J","created_at":"2026-07-05T03:28:01Z"},{"alias_kind":"pith_short_8","alias_value":"FBYAIFU3","created_at":"2026-07-05T03:28:01Z"}],"graph_snapshots":[{"event_id":"sha256:c5ae6133f30cdf41a141b8d56cc561c23c92999594b005f199bc31ca6f8f3e51","target":"graph","created_at":"2026-07-05T03:28:01Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2111.01342/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Whispered speech is a special way of pronunciation without using vocal cord vibration. A whispered speech does not contain a fundamental frequency, and its energy is about 20dB lower than that of a normal speech. Converting a whispered speech into a normal speech can improve speech quality and intelligibility. In this paper, a novel attention-guided generative adversarial network model incorporating an autoencoder, a Siamese neural network, and an identity mapping loss function for whisper to normal speech conversion (AGAN-W2SC) is proposed. The proposed method avoids the challenge of estimati","authors_text":"Hon Keung Kwan, Huabin Wang, Jian Zhou, Liang Tao, Teng Gao","cross_cats":["cs.HC","eess.AS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2021-11-02T03:00:19Z","title":"Attention-Guided Generative Adversarial Network for Whisper to Normal Speech Conversion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.01342","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:dd6b09b1877fc8cb712dec2dea98dc0479aa50371f79a6bca506089c8963b640","target":"record","created_at":"2026-07-05T03:28:01Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"65d6a404a56a721b1066a6ac06bdf821d813d39109db21658b38b638a091293d","cross_cats_sorted":["cs.HC","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2021-11-02T03:00:19Z","title_canon_sha256":"7e9dda04a4056dd152c8e9ffb98a543785e8a74448736a01d8b18b2c3012ecd4"},"schema_version":"1.0","source":{"id":"2111.01342","kind":"arxiv","version":1}},"canonical_sha256":"287004169b7fa9ba6bc92f5dc421fc894c9c82cc85cb921326a9b4fa47372942","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"287004169b7fa9ba6bc92f5dc421fc894c9c82cc85cb921326a9b4fa47372942","first_computed_at":"2026-07-05T03:28:01.860548Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:28:01.860548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Exns+AFKDL6l5vk9sZIHnAJEy01vibaRphqIT5NK/26j/b9DBIvfWeFSlcah8+Tb9xgyglFVPqg4qKfZQ5VpCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:28:01.861000Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.01342","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd6b09b1877fc8cb712dec2dea98dc0479aa50371f79a6bca506089c8963b640","sha256:c5ae6133f30cdf41a141b8d56cc561c23c92999594b005f199bc31ca6f8f3e51"],"state_sha256":"89dfa92d8e8e8bd5b52ccd715cfebd9085cdeb24fa981e428e1d890714d78501"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MHf7WnGDZenyTibv6f9OWRRg3+qh6oSuvv7wPWJcUswVbf+dJD0U2fW0d0BMOCqMBHxdSwLx9XaOWB6InZ/IBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T06:25:17.497264Z","bundle_sha256":"df87e73198a42c4f9e9f9d4611fc6e92e4b244fde70d9071c9d45769fc241c58"}}