{"observation":{"id":"4b493a11-3506-4e3b-84bd-cd28b93ae011","tool":"auphonic","tool_name":"Auphonic","criterion":"voice-preservation","criterion_name":"Voice preservation","criterion_definition":"After cleanup, whether the voice still sounds natural rather than hollow, robotic, underwater, or artifacted.","criterion_evidence_type":"transformation","criterion_rank_role":"decisive","criterion_rank_role_reason":"A noise cleaner must reduce noise without damaging the voice; if the result sounds hollow or robotic, it fails the main use case. 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the cleaned audio sounded processed and less natural than the source recording.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/adobe-podcast-enhance-ai-demos-direction-ac-and-fan-on-bf9031354d4a.wav","evidence_url":"https://aidemos.com/evidence/bf7248e1-d4d7-4797-bb03-944331bfb073"},{"id":"d6126c32-25a6-494f-b49a-3562873b5a50","tool":"audo-studio","tool_name":"Audo Studio","verdict":"worked","score":null,"score_total":null,"note":"Preserved a natural, clear voice without introducing robotic artifacts or an artificial AI-generated sound.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/audo-studio-audo-studio-ai-demos-direction-ac-and-fa-09fa2c375aec.mp3","evidence_url":"https://aidemos.com/evidence/d6126c32-25a6-494f-b49a-3562873b5a50"},{"id":"36194869-9d16-4450-b787-2357d386afbd","tool":"cleanvoice","tool_name":"Cleanvoice","verdict":"struggled","score":null,"score_total":null,"note":"Kept speech clear and understandable, but noticeably changed the speaker's tone and character; the processed voice sounded different from the source.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-ai-demos-direction-ac-and-fan-on-cleanvo-09e045b18d9b.wav","evidence_url":"https://aidemos.com/evidence/36194869-9d16-4450-b787-2357d386afbd"},{"id":"d03134ef-bf19-4696-81f5-758d15ab2b59","tool":"elevenlabs-voice-isolator","tool_name":"ElevenLabs Voice Isolator","verdict":"worked","score":null,"score_total":null,"note":"The processed audio kept the speaker's natural tone, clarity, and speaking style without significant robotic effects, pitch changes, or speech distortion.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/elevenlabs-voice-isolator-elevenlabs-voice-isolator-ai-demos-direc-6702138c2074.mp3","evidence_url":"https://aidemos.com/evidence/d03134ef-bf19-4696-81f5-758d15ab2b59"},{"id":"5caab19f-7169-4d90-aa01-a65ab6523add","tool":"noise-remover","tool_name":"Noise Remover","verdict":"worked","score":null,"score_total":null,"note":"Keeps the speaker's voice natural after cleanup, with no robotic artifacts or pitch distortion noticed in the cleaned segments.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/noise-remover-ai-demos-direction-ac-and-fan-on-33719c603492.wav","evidence_url":"https://aidemos.com/evidence/5caab19f-7169-4d90-aa01-a65ab6523add"}],"other_criteria":[{"id":"245f3860-1b94-4a0f-9aef-661aa380191b","criterion":"handling-different-noise-types","criterion_name":"Handling different noise types","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Handled multiple indoor noise types well, including continuous mechanical noise from AC and fan, background hiss, breathing noise, and short microphone disturbances.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/245f3860-1b94-4a0f-9aef-661aa380191b"},{"id":"453cd24b-287b-4d49-88ef-bad26c5e6d43","criterion":"noise-removal-effectiveness","criterion_name":"Noise removal effectiveness","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Removed most common background noises in the recording, including AC noise, fan noise, hiss noise, breathing sounds, and minor microphone artifacts.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/453cd24b-287b-4d49-88ef-bad26c5e6d43"}],"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"},{"page_type":"tool","slug":"adobe-podcast-enhance","title":null,"url":"https://aidemos.com/tools/adobe-podcast-enhance","binding":"run"},{"page_type":"tool","slug":"audo-studio","title":null,"url":"https://aidemos.com/tools/audo-studio","binding":"run"},{"page_type":"tool","slug":"auphonic","title":null,"url":"https://aidemos.com/tools/auphonic","binding":"run"},{"page_type":"tool","slug":"capcut","title":null,"url":"https://aidemos.com/tools/capcut","binding":"run"},{"page_type":"tool","slug":"cleanvoice","title":null,"url":"https://aidemos.com/tools/cleanvoice","binding":"run"},{"page_type":"tool","slug":"elevenlabs-voice-isolator","title":null,"url":"https://aidemos.com/tools/elevenlabs-voice-isolator","binding":"run"},{"page_type":"tool","slug":"noise-remover","title":null,"url":"https://aidemos.com/tools/noise-remover","binding":"run"},{"page_type":"tool","slug":"premiere-pro","title":null,"url":"https://aidemos.com/tools/premiere-pro","binding":"run"}],"same_scenario":[{"id":"bf7248e1-d4d7-4797-bb03-944331bfb073","tool":"adobe-podcast-enhance","tool_name":"Adobe Podcast Enhance","verdict":"struggled","score":null,"score_total":null,"note":"The enhancement noticeably altered the original voice tone; the cleaned audio sounded processed and less natural than the source recording."},{"id":"d6126c32-25a6-494f-b49a-3562873b5a50","tool":"audo-studio","tool_name":"Audo Studio","verdict":"worked","score":null,"score_total":null,"note":"Preserved a natural, clear voice without introducing robotic artifacts or an artificial AI-generated sound."},{"id":"36194869-9d16-4450-b787-2357d386afbd","tool":"cleanvoice","tool_name":"Cleanvoice","verdict":"struggled","score":null,"score_total":null,"note":"Kept speech clear and understandable, but noticeably changed the speaker's tone and character; the processed voice sounded different from the source."},{"id":"d03134ef-bf19-4696-81f5-758d15ab2b59","tool":"elevenlabs-voice-isolator","tool_name":"ElevenLabs Voice Isolator","verdict":"worked","score":null,"score_total":null,"note":"The processed audio kept the speaker's natural tone, clarity, and speaking style without significant robotic effects, pitch changes, or speech distortion."},{"id":"5caab19f-7169-4d90-aa01-a65ab6523add","tool":"noise-remover","tool_name":"Noise Remover","verdict":"worked","score":null,"score_total":null,"note":"Keeps the speaker's voice natural after cleanup, with no robotic artifacts or pitch distortion noticed in the cleaned segments."}]}