{"observation":{"id":"be460c83-01dd-4056-9c95-829069630f8d","tool":"noise-remover","tool_name":"Noise Remover","criterion":"handling-different-noise-types","criterion_name":"Handling different noise types","criterion_definition":"Does the tool perform equally well on steady noise like fan hum, intermittent noise like dog barking or door slamming, and overlapping speech?","criterion_evidence_type":"transformation","criterion_rank_role":"decisive","criterion_rank_role_reason":"Real recordings contain different noise patterns, so performance across hum, barking, slams, and overlapping speech is part of the main task. (3 of 3 judges)","scenario":"outdoor-balcony-birds-vehicles-and-surrounding-noise","scenario_name":"Outdoor Balcony Birds, Vehicles, and Surrounding Noise","group_tag":"background-noise-removal","scenario_description":"A real-world outdoor speech recording captured on a balcony with variable environmental noise such as birds and traffic. 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movement.","artifact_count":2,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/fd2f9af51d4448f1bc258b498240f2ba.mp4?v=1","evidence_url":"https://aidemos.com/evidence/5a55014a-5ac0-43da-bd81-18c174067536"},{"id":"91b76f1f-a633-4bd3-854f-a5cec4c621df","tool":"cleanvoice","tool_name":"Cleanvoice","verdict":"mixed","score":null,"score_total":null,"note":"Handles continuous environmental noise such as birds and outdoor ambience better than transient contact noise, but performance varies by noise type and degrades on chair movement sounds.","artifact_count":2,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/5cc2bc944d684a23b09413c7b53bbd99.wav?v=1","evidence_url":"https://aidemos.com/evidence/91b76f1f-a633-4bd3-854f-a5cec4c621df"},{"id":"01a4e094-0b2d-49f8-896b-acd0dff6297a","tool":"elevenlabs-voice-isolator","tool_name":"ElevenLabs Voice Isolator","verdict":"worked","score":null,"score_total":null,"note":"It handled environmental noise, object-movement noise, and continuous ambient air/wind noise effectively in the same recording.","artifact_count":1,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/62d47aca3a5644e984498ef476e55e58.mp3?v=1","evidence_url":"https://aidemos.com/evidence/01a4e094-0b2d-49f8-896b-acd0dff6297a"}],"other_criteria":[{"id":"fafe56a6-c9e9-4f8b-856f-67210c171eb3","criterion":"noise-removal-effectiveness","criterion_name":"Noise removal effectiveness","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"Removes outdoor wind/air noise and bird chirping, but a chair/creak at the start is only reduced, not fully eliminated.","artifact_count":3,"evidence_url":"https://aidemos.com/evidence/fafe56a6-c9e9-4f8b-856f-67210c171eb3"},{"id":"74feb873-a4c7-48e3-b247-ad909d177b44","criterion":"voice-preservation","criterion_name":"Voice preservation","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Keeps the speaker's natural tone intact in the cleaned outdoor clip.","artifact_count":3,"evidence_url":"https://aidemos.com/evidence/74feb873-a4c7-48e3-b247-ad909d177b44"}],"appears_in":[{"page_type":"ranking","slug":"background-noise-removal","title":"Best AI Tools to Remove Background Noise from Audio and Video Recordings","url":"https://aidemos.com/best/background-noise-removal","binding":"run"}],"same_scenario":[{"id":"a2f42010-37b2-40ee-90f4-7d73ea84ae71","tool":"adobe-podcast-enhance","tool_name":"Adobe Podcast Enhance","verdict":"worked","score":null,"score_total":null,"note":"It handled multiple environmental noise types in one pass, including chair movement, wind/air, and bird chirping."},{"id":"53e111d1-d27c-48c5-a7c3-9aa2b5fa1740","tool":"audo-studio","tool_name":"Audo Studio","verdict":"mixed","score":null,"score_total":null,"note":"The tool handles environmental ambience and bird noise well, but it is less effective on sudden transient sounds such as chair 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