{"observation":{"id":"7678c933-555b-4bb9-827b-19c030f34d86","tool":"elevenlabs-voice-isolator","tool_name":"ElevenLabs Voice Isolator","criterion":"noise-removal-effectiveness","criterion_name":"Noise removal effectiveness","criterion_definition":"How much of the unwanted noise is actually removed, including whether it handles more than simple hiss.","criterion_evidence_type":"transformation","criterion_rank_role":"decisive","criterion_rank_role_reason":"This directly measures whether the tool actually removes unwanted noise, which is the core job readers are hiring it for. 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startup hiss and microphone noise around 24–25 seconds remained noticeable.","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/d7143501-8e8b-4254-91ad-f24071078475"},{"id":"453cd24b-287b-4d49-88ef-bad26c5e6d43","tool":"auphonic","tool_name":"Auphonic","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,"thumbnail":"https://d3epheqghktydj.cloudfront.net/cleanvoice-ai-direction-ac-on-fan-off-noise-from-no-6c2d2abb1f58.wav","evidence_url":"https://aidemos.com/evidence/453cd24b-287b-4d49-88ef-bad26c5e6d43"},{"id":"c22a0eaf-c085-4b15-82b7-29a2560f00d4","tool":"cleanvoice","tool_name":"Cleanvoice","verdict":"worked","score":null,"score_total":null,"note":"Removed AC noise, fan noise, breathing noise, and microphone noise around 0:24–0:25, leaving the background almost completely eliminated.","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/c22a0eaf-c085-4b15-82b7-29a2560f00d4"},{"id":"710fcb27-c39e-4b69-aaac-356981dd782e","tool":"noise-remover","tool_name":"Noise Remover","verdict":"worked","score":null,"score_total":null,"note":"Removes continuous AC, fan, breathing, and hiss noise from a ~20-second recording, with cleanup audible from the start of the cleaned clip.","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/710fcb27-c39e-4b69-aaac-356981dd782e"}],"other_criteria":[{"id":"867c6047-6862-4f8a-be8b-9d7e8bd47e5b","criterion":"handling-different-noise-types","criterion_name":"Handling different noise types","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"The tool handled steady AC and fan hum well, but was less effective on short-duration noises, microphone interference, and hiss artifacts.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/867c6047-6862-4f8a-be8b-9d7e8bd47e5b"},{"id":"d03134ef-bf19-4696-81f5-758d15ab2b59","criterion":"voice-preservation","criterion_name":"Voice preservation","rank_role":"decisive","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,"evidence_url":"https://aidemos.com/evidence/d03134ef-bf19-4696-81f5-758d15ab2b59"}],"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":"98f2c9a9-68b0-4b56-a396-3449caeebe78","tool":"adobe-podcast-enhance","tool_name":"Adobe Podcast Enhance","verdict":"worked","score":null,"score_total":null,"note":"Removed constant background noise including fan noise, AC noise, breathing sounds, and a short unwanted noise around 0:24–0:25, making the output significantly cleaner than the source."},{"id":"d7143501-8e8b-4254-91ad-f24071078475","tool":"audo-studio","tool_name":"Audo Studio","verdict":"mixed","score":null,"score_total":null,"note":"Reduced a portion of the continuous AC-and-fan background noise, but it did not fully remove the noise; startup hiss and microphone noise around 24–25 seconds remained noticeable."},{"id":"453cd24b-287b-4d49-88ef-bad26c5e6d43","tool":"auphonic","tool_name":"Auphonic","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."},{"id":"c22a0eaf-c085-4b15-82b7-29a2560f00d4","tool":"cleanvoice","tool_name":"Cleanvoice","verdict":"worked","score":null,"score_total":null,"note":"Removed AC noise, fan noise, breathing noise, and microphone noise around 0:24–0:25, leaving the background almost completely eliminated."},{"id":"710fcb27-c39e-4b69-aaac-356981dd782e","tool":"noise-remover","tool_name":"Noise Remover","verdict":"worked","score":null,"score_total":null,"note":"Removes continuous AC, fan, breathing, and hiss noise from a ~20-second recording, with cleanup audible from the start of the cleaned clip."}]}