{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:5ZGQ6BAN2IWI5UYOE6RFZMVHXN","short_pith_number":"pith:5ZGQ6BAN","canonical_record":{"source":{"id":"2107.10562","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-07-22T10:30:39Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"9e821c048c798b5fdf9b4dba79e88acd95b64546ef2f46ab7ec7ce4118c3c468","abstract_canon_sha256":"93bb57fbf9230ace2ec98b503ea0c21915d81b4590f35b1a7c1fa75d470e9eba"},"schema_version":"1.0"},"canonical_sha256":"ee4d0f040dd22c8ed30e27a25cb2a7bb5b1ca9258914377877a6412f99449074","source":{"kind":"arxiv","id":"2107.10562","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.10562","created_at":"2026-07-05T03:00:01Z"},{"alias_kind":"arxiv_version","alias_value":"2107.10562v1","created_at":"2026-07-05T03:00:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.10562","created_at":"2026-07-05T03:00:01Z"},{"alias_kind":"pith_short_12","alias_value":"5ZGQ6BAN2IWI","created_at":"2026-07-05T03:00:01Z"},{"alias_kind":"pith_short_16","alias_value":"5ZGQ6BAN2IWI5UYO","created_at":"2026-07-05T03:00:01Z"},{"alias_kind":"pith_short_8","alias_value":"5ZGQ6BAN","created_at":"2026-07-05T03:00:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:5ZGQ6BAN2IWI5UYOE6RFZMVHXN","target":"record","payload":{"canonical_record":{"source":{"id":"2107.10562","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-07-22T10:30:39Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"9e821c048c798b5fdf9b4dba79e88acd95b64546ef2f46ab7ec7ce4118c3c468","abstract_canon_sha256":"93bb57fbf9230ace2ec98b503ea0c21915d81b4590f35b1a7c1fa75d470e9eba"},"schema_version":"1.0"},"canonical_sha256":"ee4d0f040dd22c8ed30e27a25cb2a7bb5b1ca9258914377877a6412f99449074","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:00:01.240351Z","signature_b64":"nuTZoQHTaHnkSIx5J/LI6nFoTqp2JyS9tWNd1S0CXIBKGLC/WH7dKEps9wajSvwVcxg2c6UgdDrtfBG0R/jyAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ee4d0f040dd22c8ed30e27a25cb2a7bb5b1ca9258914377877a6412f99449074","last_reissued_at":"2026-07-05T03:00:01.239847Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:00:01.239847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.10562","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":"2026-07-05T03:00:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ExH4Dyk71u8yfTERbzzfHUjyvNiIxnImPzBXkexjDoHlU2calryQvs0skYzPw5V8S2+nC47ZK+X3RlDpQeClBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T16:25:43.386452Z"},"content_sha256":"d1b71ef759f64d3987bfb8342614da255d443988ce930877a2d3509ccb5a8b57","schema_version":"1.0","event_id":"sha256:d1b71ef759f64d3987bfb8342614da255d443988ce930877a2d3509ccb5a8b57"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:5ZGQ6BAN2IWI5UYOE6RFZMVHXN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Controlling the Perceived Sound Quality for Dialogue Enhancement with Deep Learning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SD"],"primary_cat":"eess.AS","authors_text":"Christian Uhle, Jouni Paulus, Matteo Torcoli","submitted_at":"2021-07-22T10:30:39Z","abstract_excerpt":"Speech enhancement attenuates interfering sounds in speech signals but may introduce artifacts that perceivably deteriorate the output signal. We propose a method for controlling the trade-off between the attenuation of the interfering background signal and the loss of sound quality. A deep neural network estimates the attenuation of the separated background signal such that the sound quality, quantified using the Artifact-related Perceptual Score, meets an adjustable target. Subjective evaluations indicate that consistent sound quality is obtained across various input signals. Our experiments"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.10562","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/2107.10562/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":"2026-07-05T03:00:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VfY5iflGtg6yhZ1MLIQKkoPLmquBnaPH7rmuMKPrVmMWQsPymP5UniAY+8GHn33WtFmz/Lba8uSx9l/ireOyCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T16:25:43.386823Z"},"content_sha256":"ee9ba3d6e3b601371cc0b681de547fc402d820d22dd9109bd1d3c16b8c529417","schema_version":"1.0","event_id":"sha256:ee9ba3d6e3b601371cc0b681de547fc402d820d22dd9109bd1d3c16b8c529417"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5ZGQ6BAN2IWI5UYOE6RFZMVHXN/bundle.json","state_url":"https://pith.science/pith/5ZGQ6BAN2IWI5UYOE6RFZMVHXN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5ZGQ6BAN2IWI5UYOE6RFZMVHXN/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":"2026-08-22T16:25:43Z","links":{"resolver":"https://pith.science/pith/5ZGQ6BAN2IWI5UYOE6RFZMVHXN","bundle":"https://pith.science/pith/5ZGQ6BAN2IWI5UYOE6RFZMVHXN/bundle.json","state":"https://pith.science/pith/5ZGQ6BAN2IWI5UYOE6RFZMVHXN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5ZGQ6BAN2IWI5UYOE6RFZMVHXN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:5ZGQ6BAN2IWI5UYOE6RFZMVHXN","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":"93bb57fbf9230ace2ec98b503ea0c21915d81b4590f35b1a7c1fa75d470e9eba","cross_cats_sorted":["cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-07-22T10:30:39Z","title_canon_sha256":"9e821c048c798b5fdf9b4dba79e88acd95b64546ef2f46ab7ec7ce4118c3c468"},"schema_version":"1.0","source":{"id":"2107.10562","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.10562","created_at":"2026-07-05T03:00:01Z"},{"alias_kind":"arxiv_version","alias_value":"2107.10562v1","created_at":"2026-07-05T03:00:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.10562","created_at":"2026-07-05T03:00:01Z"},{"alias_kind":"pith_short_12","alias_value":"5ZGQ6BAN2IWI","created_at":"2026-07-05T03:00:01Z"},{"alias_kind":"pith_short_16","alias_value":"5ZGQ6BAN2IWI5UYO","created_at":"2026-07-05T03:00:01Z"},{"alias_kind":"pith_short_8","alias_value":"5ZGQ6BAN","created_at":"2026-07-05T03:00:01Z"}],"graph_snapshots":[{"event_id":"sha256:ee9ba3d6e3b601371cc0b681de547fc402d820d22dd9109bd1d3c16b8c529417","target":"graph","created_at":"2026-07-05T03:00:01Z","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/2107.10562/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Speech enhancement attenuates interfering sounds in speech signals but may introduce artifacts that perceivably deteriorate the output signal. We propose a method for controlling the trade-off between the attenuation of the interfering background signal and the loss of sound quality. A deep neural network estimates the attenuation of the separated background signal such that the sound quality, quantified using the Artifact-related Perceptual Score, meets an adjustable target. Subjective evaluations indicate that consistent sound quality is obtained across various input signals. Our experiments","authors_text":"Christian Uhle, Jouni Paulus, Matteo Torcoli","cross_cats":["cs.SD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-07-22T10:30:39Z","title":"Controlling the Perceived Sound Quality for Dialogue Enhancement with Deep Learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.10562","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:d1b71ef759f64d3987bfb8342614da255d443988ce930877a2d3509ccb5a8b57","target":"record","created_at":"2026-07-05T03:00:01Z","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":"93bb57fbf9230ace2ec98b503ea0c21915d81b4590f35b1a7c1fa75d470e9eba","cross_cats_sorted":["cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-07-22T10:30:39Z","title_canon_sha256":"9e821c048c798b5fdf9b4dba79e88acd95b64546ef2f46ab7ec7ce4118c3c468"},"schema_version":"1.0","source":{"id":"2107.10562","kind":"arxiv","version":1}},"canonical_sha256":"ee4d0f040dd22c8ed30e27a25cb2a7bb5b1ca9258914377877a6412f99449074","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ee4d0f040dd22c8ed30e27a25cb2a7bb5b1ca9258914377877a6412f99449074","first_computed_at":"2026-07-05T03:00:01.239847Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:00:01.239847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nuTZoQHTaHnkSIx5J/LI6nFoTqp2JyS9tWNd1S0CXIBKGLC/WH7dKEps9wajSvwVcxg2c6UgdDrtfBG0R/jyAg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:00:01.240351Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.10562","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d1b71ef759f64d3987bfb8342614da255d443988ce930877a2d3509ccb5a8b57","sha256:ee9ba3d6e3b601371cc0b681de547fc402d820d22dd9109bd1d3c16b8c529417"],"state_sha256":"4b4ed677e7b40cc51072e2200f34a2b7c37ba9630400cc0ecf0d7e97c74cd939"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e16+7Yq+LNO4mbWEqv9Ojv7hmTpv3WI0ZhwCD1S3700qaScFiRp+uoSWf2Yr3Jdh7W++8Ei5+aw4GShQ1JTaDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T16:25:43.389367Z","bundle_sha256":"c247e426b2f062ab5a82d9703a79cb8887266ab01b3ff76b4149a09a1d209123"}}