{"observation":{"id":"6d617880-a727-4a47-a49e-03694b7323c8","tool":"audo-studio","tool_name":"Audo Studio","criterion":"noise-removal-effectiveness","criterion_name":"Noise removal effectiveness","criterion_definition":"How much of the unwanted noise is actually removed, and whether the tool handles different noise types or only simple hiss.","criterion_evidence_type":"transformation","criterion_rank_role":"decisive","criterion_rank_role_reason":"This is the core job: a tool only ranks well if it actually removes unwanted noise effectively. (3 of 3 judges)","scenario":"indoor-air-conditioner-noise","scenario_name":"Indoor Air Conditioner Noise","group_tag":"background-noise-removal","scenario_description":"A real-world indoor speech recording with a single continuous HVAC/air-conditioner noise source. 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and breathing noise, but some background noise remained audible around 0.7–0.8 seconds, showing incomplete cleanup.","artifact_count":3,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/93123911c7cf4abdbe494bcd75f98c33.wav?v=1","evidence_url":"https://aidemos.com/evidence/dd0748e1-ae32-46f4-a375-de391c428e57"},{"id":"20099b95-9572-4c3f-96fc-ae3d925a7a02","tool":"cleanvoice","tool_name":"Cleanvoice","verdict":"worked","score":null,"score_total":null,"note":"Removes steady HVAC noise well, taking out the constant AC hum and most breathing noise and making the output sound much cleaner and more professional.","artifact_count":2,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/a6786c3ec1214848906b37561e6ae321.wav?v=1","evidence_url":"https://aidemos.com/evidence/20099b95-9572-4c3f-96fc-ae3d925a7a02"},{"id":"46784b10-67d3-47b3-8e2f-994179f76cbc","tool":"elevenlabs-voice-isolator","tool_name":"ElevenLabs Voice Isolator","verdict":"mixed","score":null,"score_total":null,"note":"The tool reduced AC and breathing noise, but a noticeable transient noise at about 0.7–0.8 seconds remained audible.","artifact_count":1,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/7f10b8ea0cb8448cb1583a91fb79b082.mp3?v=1","evidence_url":"https://aidemos.com/evidence/46784b10-67d3-47b3-8e2f-994179f76cbc"},{"id":"98d10821-92fa-48e7-8803-9360deb559e9","tool":"noise-remover","tool_name":"Noise Remover","verdict":"mixed","score":null,"score_total":null,"note":"Removes AC and hiss noise, but some background noise is still audible around 0:07-0:08 in the cleaned result.","artifact_count":3,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/f1db12dbbe1c4965a66ec72705b29f7c.wav?v=1","evidence_url":"https://aidemos.com/evidence/98d10821-92fa-48e7-8803-9360deb559e9"}],"other_criteria":[{"id":"101acd48-2dbe-4fdf-b0b8-659942e46591","criterion":"handling-different-noise-types","criterion_name":"Handling different noise 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