{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:3Z6BSOHUQG4ZFPLVXD2NHAPAUV","short_pith_number":"pith:3Z6BSOHU","canonical_record":{"source":{"id":"2008.02487","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2020-08-06T07:25:57Z","cross_cats_sorted":["cs.HC","cs.LG","cs.SD"],"title_canon_sha256":"b3fafc231a6c48605120d4a31eeb6f5d029be5b4bacf19ce2b219be9cbf04ec9","abstract_canon_sha256":"8cfc6519e72c5b9e42c51479f8772ab2d59ad965779d24118ba92bcdeff3ef79"},"schema_version":"1.0"},"canonical_sha256":"de7c1938f481b992bd75b8f4d381e0a544ffafda9cc9c7fed8b20979c5583abf","source":{"kind":"arxiv","id":"2008.02487","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.02487","created_at":"2026-07-05T01:25:14Z"},{"alias_kind":"arxiv_version","alias_value":"2008.02487v1","created_at":"2026-07-05T01:25:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.02487","created_at":"2026-07-05T01:25:14Z"},{"alias_kind":"pith_short_12","alias_value":"3Z6BSOHUQG4Z","created_at":"2026-07-05T01:25:14Z"},{"alias_kind":"pith_short_16","alias_value":"3Z6BSOHUQG4ZFPLV","created_at":"2026-07-05T01:25:14Z"},{"alias_kind":"pith_short_8","alias_value":"3Z6BSOHU","created_at":"2026-07-05T01:25:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:3Z6BSOHUQG4ZFPLVXD2NHAPAUV","target":"record","payload":{"canonical_record":{"source":{"id":"2008.02487","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2020-08-06T07:25:57Z","cross_cats_sorted":["cs.HC","cs.LG","cs.SD"],"title_canon_sha256":"b3fafc231a6c48605120d4a31eeb6f5d029be5b4bacf19ce2b219be9cbf04ec9","abstract_canon_sha256":"8cfc6519e72c5b9e42c51479f8772ab2d59ad965779d24118ba92bcdeff3ef79"},"schema_version":"1.0"},"canonical_sha256":"de7c1938f481b992bd75b8f4d381e0a544ffafda9cc9c7fed8b20979c5583abf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:25:14.233389Z","signature_b64":"MfeRX/9BtDNGeL/ybFRgDQimSMjBUtw8GhRA4gUelUGb86mtir/Rg574XP5M7rHODKtdWZXm1ZQSKZN2VbEjDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"de7c1938f481b992bd75b8f4d381e0a544ffafda9cc9c7fed8b20979c5583abf","last_reissued_at":"2026-07-05T01:25:14.233016Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:25:14.233016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2008.02487","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":"2026-07-05T01:25:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"35CNHlI2XZSXmk9WTQXEjj8Hp9SQfvrH8bPBE2UMYuWNIOlmk3gan/OuxF8IryNFjTeYO2xzMv+nPMjqkJplBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T19:52:10.808042Z"},"content_sha256":"053b59a894bcae6bc0466d1bbd37688a850ceb85730100c8bc93c93b2aaf95f9","schema_version":"1.0","event_id":"sha256:053b59a894bcae6bc0466d1bbd37688a850ceb85730100c8bc93c93b2aaf95f9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:3Z6BSOHUQG4ZFPLVXD2NHAPAUV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Shouted Speech Compensation for Speaker Verification Robust to Vocal Effort Conditions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.HC","cs.LG","cs.SD"],"primary_cat":"eess.AS","authors_text":"Alfonso Ortega, Eduardo Lleida, Iv\\'an L\\'opez-Espejo, Santi Prieto","submitted_at":"2020-08-06T07:25:57Z","abstract_excerpt":"The performance of speaker verification systems degrades when vocal effort conditions between enrollment and test (e.g., shouted vs. normal speech) are different. This is a potential situation in non-cooperative speaker verification tasks. In this paper, we present a study on different methods for linear compensation of embeddings making use of Gaussian mixture models to cluster shouted and normal speech domains. These compensation techniques are borrowed from the area of robustness for automatic speech recognition and, in this work, we apply them to compensate the mismatch between shouted and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.02487","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/2008.02487/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":"2026-07-05T01:25:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f4MGcFJamJnI4wBUF7cyYHxfjLDU+CVtIaYnRrl9Qc2UIr5NAoPrWUMwdNsC7Qni4PZCdrduBFKxjisJ5p6QBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T19:52:10.808977Z"},"content_sha256":"3a4963137416d3bd04d87767aa5564e6cefbcbc55a62cace7520c193897d12a1","schema_version":"1.0","event_id":"sha256:3a4963137416d3bd04d87767aa5564e6cefbcbc55a62cace7520c193897d12a1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3Z6BSOHUQG4ZFPLVXD2NHAPAUV/bundle.json","state_url":"https://pith.science/pith/3Z6BSOHUQG4ZFPLVXD2NHAPAUV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3Z6BSOHUQG4ZFPLVXD2NHAPAUV/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":"2026-08-12T19:52:10Z","links":{"resolver":"https://pith.science/pith/3Z6BSOHUQG4ZFPLVXD2NHAPAUV","bundle":"https://pith.science/pith/3Z6BSOHUQG4ZFPLVXD2NHAPAUV/bundle.json","state":"https://pith.science/pith/3Z6BSOHUQG4ZFPLVXD2NHAPAUV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3Z6BSOHUQG4ZFPLVXD2NHAPAUV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:3Z6BSOHUQG4ZFPLVXD2NHAPAUV","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":"8cfc6519e72c5b9e42c51479f8772ab2d59ad965779d24118ba92bcdeff3ef79","cross_cats_sorted":["cs.HC","cs.LG","cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2020-08-06T07:25:57Z","title_canon_sha256":"b3fafc231a6c48605120d4a31eeb6f5d029be5b4bacf19ce2b219be9cbf04ec9"},"schema_version":"1.0","source":{"id":"2008.02487","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.02487","created_at":"2026-07-05T01:25:14Z"},{"alias_kind":"arxiv_version","alias_value":"2008.02487v1","created_at":"2026-07-05T01:25:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.02487","created_at":"2026-07-05T01:25:14Z"},{"alias_kind":"pith_short_12","alias_value":"3Z6BSOHUQG4Z","created_at":"2026-07-05T01:25:14Z"},{"alias_kind":"pith_short_16","alias_value":"3Z6BSOHUQG4ZFPLV","created_at":"2026-07-05T01:25:14Z"},{"alias_kind":"pith_short_8","alias_value":"3Z6BSOHU","created_at":"2026-07-05T01:25:14Z"}],"graph_snapshots":[{"event_id":"sha256:3a4963137416d3bd04d87767aa5564e6cefbcbc55a62cace7520c193897d12a1","target":"graph","created_at":"2026-07-05T01:25:14Z","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/2008.02487/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The performance of speaker verification systems degrades when vocal effort conditions between enrollment and test (e.g., shouted vs. normal speech) are different. This is a potential situation in non-cooperative speaker verification tasks. In this paper, we present a study on different methods for linear compensation of embeddings making use of Gaussian mixture models to cluster shouted and normal speech domains. These compensation techniques are borrowed from the area of robustness for automatic speech recognition and, in this work, we apply them to compensate the mismatch between shouted and","authors_text":"Alfonso Ortega, Eduardo Lleida, Iv\\'an L\\'opez-Espejo, Santi Prieto","cross_cats":["cs.HC","cs.LG","cs.SD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2020-08-06T07:25:57Z","title":"Shouted Speech Compensation for Speaker Verification Robust to Vocal Effort Conditions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.02487","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":"sha256:053b59a894bcae6bc0466d1bbd37688a850ceb85730100c8bc93c93b2aaf95f9","target":"record","created_at":"2026-07-05T01:25:14Z","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":"8cfc6519e72c5b9e42c51479f8772ab2d59ad965779d24118ba92bcdeff3ef79","cross_cats_sorted":["cs.HC","cs.LG","cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2020-08-06T07:25:57Z","title_canon_sha256":"b3fafc231a6c48605120d4a31eeb6f5d029be5b4bacf19ce2b219be9cbf04ec9"},"schema_version":"1.0","source":{"id":"2008.02487","kind":"arxiv","version":1}},"canonical_sha256":"de7c1938f481b992bd75b8f4d381e0a544ffafda9cc9c7fed8b20979c5583abf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"de7c1938f481b992bd75b8f4d381e0a544ffafda9cc9c7fed8b20979c5583abf","first_computed_at":"2026-07-05T01:25:14.233016Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:25:14.233016Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MfeRX/9BtDNGeL/ybFRgDQimSMjBUtw8GhRA4gUelUGb86mtir/Rg574XP5M7rHODKtdWZXm1ZQSKZN2VbEjDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:25:14.233389Z","signed_message":"canonical_sha256_bytes"},"source_id":"2008.02487","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:053b59a894bcae6bc0466d1bbd37688a850ceb85730100c8bc93c93b2aaf95f9","sha256:3a4963137416d3bd04d87767aa5564e6cefbcbc55a62cace7520c193897d12a1"],"state_sha256":"80266bdf96f60a405977ab9e1ec3910ec0f8c3c23b2893a0f0225550428d0e74"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rF6S30tZF1MTwaK77/8M55ZzzOMLkoGulr30JRjjhrbiDmFm6mP2tjcC6cGW2mr3dWMJ35QJDX6iLi8rKs2qAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T19:52:10.815215Z","bundle_sha256":"177cc1c5110c5d2cb1932660eb427fbd8bebef4011ec3d77348a6db810726634"}}