{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:7Q2PNYNMHZXTABQ6TUMUL3EE7W","short_pith_number":"pith:7Q2PNYNM","canonical_record":{"source":{"id":"1910.10400","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2019-10-23T08:08:26Z","cross_cats_sorted":["cs.LG","eess.AS","eess.SP"],"title_canon_sha256":"81a32f1f60cd0dfee461ad2eac7fe3314d243147f2fd761a4498aa0f965b8e87","abstract_canon_sha256":"a3706041597620736975dac9de1a6cda142e34f7f3d577356cc9683d41f77a0a"},"schema_version":"1.0"},"canonical_sha256":"fc34f6e1ac3e6f30061e9d1945ec84fd9c35115882608b58dd637cff50a96087","source":{"kind":"arxiv","id":"1910.10400","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.10400","created_at":"2026-07-05T00:44:27Z"},{"alias_kind":"arxiv_version","alias_value":"1910.10400v2","created_at":"2026-07-05T00:44:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.10400","created_at":"2026-07-05T00:44:27Z"},{"alias_kind":"pith_short_12","alias_value":"7Q2PNYNMHZXT","created_at":"2026-07-05T00:44:27Z"},{"alias_kind":"pith_short_16","alias_value":"7Q2PNYNMHZXTABQ6","created_at":"2026-07-05T00:44:27Z"},{"alias_kind":"pith_short_8","alias_value":"7Q2PNYNM","created_at":"2026-07-05T00:44:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:7Q2PNYNMHZXTABQ6TUMUL3EE7W","target":"record","payload":{"canonical_record":{"source":{"id":"1910.10400","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2019-10-23T08:08:26Z","cross_cats_sorted":["cs.LG","eess.AS","eess.SP"],"title_canon_sha256":"81a32f1f60cd0dfee461ad2eac7fe3314d243147f2fd761a4498aa0f965b8e87","abstract_canon_sha256":"a3706041597620736975dac9de1a6cda142e34f7f3d577356cc9683d41f77a0a"},"schema_version":"1.0"},"canonical_sha256":"fc34f6e1ac3e6f30061e9d1945ec84fd9c35115882608b58dd637cff50a96087","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:44:27.640877Z","signature_b64":"erBK50WwQan+qf5XLfExYx7KifBd/wO3tvmrDDYzjLl8wJXi8/QloKKQnc/RUEKa/UqYr+K4WSwSGAj/Y12CCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc34f6e1ac3e6f30061e9d1945ec84fd9c35115882608b58dd637cff50a96087","last_reissued_at":"2026-07-05T00:44:27.640483Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:44:27.640483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1910.10400","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:44:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nmEaBeDw3/7tlPD+e/k6bEALqT60oZSLGH+qBA6nWCuNufnzVrLLJqvt3SCzrGPO2wuKD4xE3S5Qmhn6rykjBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T17:12:36.606007Z"},"content_sha256":"fae1310ec56ae34d5084d3084226b59f9ee412d8d43eac444c1a8297de9c88be","schema_version":"1.0","event_id":"sha256:fae1310ec56ae34d5084d3084226b59f9ee412d8d43eac444c1a8297de9c88be"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:7Q2PNYNMHZXTABQ6TUMUL3EE7W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Filterbank design for end-to-end speech separation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","eess.AS","eess.SP"],"primary_cat":"cs.SD","authors_text":"Antoine Deleforge, Emmanuel Vincent, Manuel Pariente, Samuele Cornell","submitted_at":"2019-10-23T08:08:26Z","abstract_excerpt":"Single-channel speech separation has recently made great progress thanks to learned filterbanks as used in ConvTasNet. In parallel, parameterized filterbanks have been proposed for speaker recognition where only center frequencies and bandwidths are learned. In this work, we extend real-valued learned and parameterized filterbanks into complex-valued analytic filterbanks and define a set of corresponding representations and masking strategies. We evaluate these filterbanks on a newly released noisy speech separation dataset (WHAM). The results show that the proposed analytic learned filterbank"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.10400","kind":"arxiv","version":2},"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/1910.10400/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":"2026-07-05T00:44:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3n+u06rO5OyGQWLY9sthiJiG3nFZJFiFoM0nP06neKZgfdmuy2Zb6L0bLCobT/ZKNP4sobWQ2fPHM2rhLQPJCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T17:12:36.606375Z"},"content_sha256":"f67f8d740a8b74f9e5cae90702c5649c2ec7a76d66b3d5f7e4a5a5e302c0cca6","schema_version":"1.0","event_id":"sha256:f67f8d740a8b74f9e5cae90702c5649c2ec7a76d66b3d5f7e4a5a5e302c0cca6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7Q2PNYNMHZXTABQ6TUMUL3EE7W/bundle.json","state_url":"https://pith.science/pith/7Q2PNYNMHZXTABQ6TUMUL3EE7W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7Q2PNYNMHZXTABQ6TUMUL3EE7W/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":"2026-08-23T17:12:36Z","links":{"resolver":"https://pith.science/pith/7Q2PNYNMHZXTABQ6TUMUL3EE7W","bundle":"https://pith.science/pith/7Q2PNYNMHZXTABQ6TUMUL3EE7W/bundle.json","state":"https://pith.science/pith/7Q2PNYNMHZXTABQ6TUMUL3EE7W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7Q2PNYNMHZXTABQ6TUMUL3EE7W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:7Q2PNYNMHZXTABQ6TUMUL3EE7W","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":"a3706041597620736975dac9de1a6cda142e34f7f3d577356cc9683d41f77a0a","cross_cats_sorted":["cs.LG","eess.AS","eess.SP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2019-10-23T08:08:26Z","title_canon_sha256":"81a32f1f60cd0dfee461ad2eac7fe3314d243147f2fd761a4498aa0f965b8e87"},"schema_version":"1.0","source":{"id":"1910.10400","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.10400","created_at":"2026-07-05T00:44:27Z"},{"alias_kind":"arxiv_version","alias_value":"1910.10400v2","created_at":"2026-07-05T00:44:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.10400","created_at":"2026-07-05T00:44:27Z"},{"alias_kind":"pith_short_12","alias_value":"7Q2PNYNMHZXT","created_at":"2026-07-05T00:44:27Z"},{"alias_kind":"pith_short_16","alias_value":"7Q2PNYNMHZXTABQ6","created_at":"2026-07-05T00:44:27Z"},{"alias_kind":"pith_short_8","alias_value":"7Q2PNYNM","created_at":"2026-07-05T00:44:27Z"}],"graph_snapshots":[{"event_id":"sha256:f67f8d740a8b74f9e5cae90702c5649c2ec7a76d66b3d5f7e4a5a5e302c0cca6","target":"graph","created_at":"2026-07-05T00:44:27Z","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/1910.10400/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Single-channel speech separation has recently made great progress thanks to learned filterbanks as used in ConvTasNet. In parallel, parameterized filterbanks have been proposed for speaker recognition where only center frequencies and bandwidths are learned. In this work, we extend real-valued learned and parameterized filterbanks into complex-valued analytic filterbanks and define a set of corresponding representations and masking strategies. We evaluate these filterbanks on a newly released noisy speech separation dataset (WHAM). The results show that the proposed analytic learned filterbank","authors_text":"Antoine Deleforge, Emmanuel Vincent, Manuel Pariente, Samuele Cornell","cross_cats":["cs.LG","eess.AS","eess.SP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2019-10-23T08:08:26Z","title":"Filterbank design for end-to-end speech separation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.10400","kind":"arxiv","version":2},"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:fae1310ec56ae34d5084d3084226b59f9ee412d8d43eac444c1a8297de9c88be","target":"record","created_at":"2026-07-05T00:44:27Z","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":"a3706041597620736975dac9de1a6cda142e34f7f3d577356cc9683d41f77a0a","cross_cats_sorted":["cs.LG","eess.AS","eess.SP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2019-10-23T08:08:26Z","title_canon_sha256":"81a32f1f60cd0dfee461ad2eac7fe3314d243147f2fd761a4498aa0f965b8e87"},"schema_version":"1.0","source":{"id":"1910.10400","kind":"arxiv","version":2}},"canonical_sha256":"fc34f6e1ac3e6f30061e9d1945ec84fd9c35115882608b58dd637cff50a96087","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fc34f6e1ac3e6f30061e9d1945ec84fd9c35115882608b58dd637cff50a96087","first_computed_at":"2026-07-05T00:44:27.640483Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:44:27.640483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"erBK50WwQan+qf5XLfExYx7KifBd/wO3tvmrDDYzjLl8wJXi8/QloKKQnc/RUEKa/UqYr+K4WSwSGAj/Y12CCg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:44:27.640877Z","signed_message":"canonical_sha256_bytes"},"source_id":"1910.10400","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fae1310ec56ae34d5084d3084226b59f9ee412d8d43eac444c1a8297de9c88be","sha256:f67f8d740a8b74f9e5cae90702c5649c2ec7a76d66b3d5f7e4a5a5e302c0cca6"],"state_sha256":"1a1490d1c14081f256ed4718177006cca85d34f34cb819bebce40e39a51aa728"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RGKZOVfl2F2vnzkxIITMN6yw/H6Qq91bqWb3apsCnMtruFITeN2dSk9y60AH1joXF0SMC7P+gnSvp0y3V/ahCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T17:12:36.609738Z","bundle_sha256":"18ec78ff5bc41f125b3836c1d0c58f9c0e9ca59f62be49a7c40aa60950a5d94d"}}