{"observation":{"id":"ffc9357f-b811-474d-b619-6a8cd64a75ce","tool":"audo-studio","tool_name":"Audo Studio","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. (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 birds, traffic, and ambient environmental noise, used to test enhancement in a more variable and harder-to-clean audio setting.","modality":"audio","input_text":null,"input_artifact_refs":[{"alt":null,"url":"https://d3epheqghktydj.cloudfront.net/veed-veed-input-background-noise-test-clip-16b1fe4db1f0.mp4","role":"input"}],"stresses":["Suppression of dynamic outdoor noise","Speech preservation in noisy environments","Handling variable ambient sounds","Reduction of birds and traffic noise","Overall audio quality improvement"],"verdict":"worked","score":null,"score_total":null,"note":"Kept the voice clear, natural, and understandable without noticeable robotic artifacts or voice distortion.","evidence_state":"verified","source":null,"artifacts":[{"url":"https://d3epheqghktydj.cloudfront.net/audo-studio-audo-studio-outside-in-balcony-birds-veh-2c3d4eff279f.mp3","role":"output","alt":null}],"run_id":"72972002-7bcb-4593-a3ad-83194779bfb9","study_title":"Remove Background Noise from Audio and Video Recordings Using AI","study_kind":"generation","research_task":"86ba6cyhe","tested_at":null,"completeness":"input-and-output","input":{"state":"files","text":null,"files":[{"url":"https://d3epheqghktydj.cloudfront.net/veed-veed-input-background-noise-test-clip-16b1fe4db1f0.mp4","filename":"veed-veed-input-background-noise-test-clip-16b1fe4db1f0.mp4","alt":"Outdoor Balcony Birds, Vehicles, and Surrounding Noise","role":"input"}],"modality":"audio","stresses":["Suppression of dynamic outdoor noise","Speech preservation in noisy environments","Handling variable ambient sounds","Reduction of birds and traffic noise","Overall audio quality improvement"]},"tool_page_slug":"audo-studio","tool_url":"https://aidemos.com/tools/audo-studio","permalink":"https://aidemos.com/evidence/ffc9357f-b811-474d-b619-6a8cd64a75ce","api_url":"https://ai.aidemos.com/v1/observations/ffc9357f-b811-474d-b619-6a8cd64a75ce"},"peers":[{"id":"5f9fefc1-ddaa-4a7f-9552-0a5bbb8f7172","tool":"adobe-podcast-enhance","tool_name":"Adobe Podcast Enhance","verdict":"struggled","score":null,"score_total":null,"note":"The voice remained clear and understandable, but the tool noticeably altered the original vocal tone and natural characteristics.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/adobe-podcast-enhance-outside-in-balcony-birds-vehicles-and-su-56b20f611781.wav","evidence_url":"https://aidemos.com/evidence/5f9fefc1-ddaa-4a7f-9552-0a5bbb8f7172"},{"id":"603541e8-7fa3-437d-963d-f0497bb3b994","tool":"auphonic","tool_name":"Auphonic","verdict":"struggled","score":null,"score_total":null,"note":"The output significantly changed the original voice, making it sound more robotic, louder, and less natural.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/auphonic-auphonic-outside-in-balcony-birds-vehicl-18e860443e0b.mp3","evidence_url":"https://aidemos.com/evidence/603541e8-7fa3-437d-963d-f0497bb3b994"},{"id":"cfd2e8ce-8e47-4801-8899-397b1075336e","tool":"cleanvoice","tool_name":"Cleanvoice","verdict":"struggled","score":null,"score_total":null,"note":"Significantly altered the speaker's tone and voice characteristics; the output sounded less natural and did not closely match the original recording.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-outside-20in-20balcony-20birds-20vehicle-d1246a861e04.wav","evidence_url":"https://aidemos.com/evidence/cfd2e8ce-8e47-4801-8899-397b1075336e"},{"id":"335b29f2-5507-476e-877f-a064395321a6","tool":"elevenlabs-voice-isolator","tool_name":"ElevenLabs Voice Isolator","verdict":"worked","score":null,"score_total":null,"note":"The speaker's voice stayed natural and clear, with no noticeable distortions, robotic artifacts, or tone changes.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/elevenlabs-voice-isolator-elevenlabs-voice-isolator-outside-in-bal-ee180e1bb903.mp3","evidence_url":"https://aidemos.com/evidence/335b29f2-5507-476e-877f-a064395321a6"},{"id":"92fb6ae4-53b6-41a2-9fb8-d37ac9bf6c89","tool":"noise-remover","tool_name":"Noise Remover","verdict":"worked","score":null,"score_total":null,"note":"Preserves the speaker's natural tone in the cleaned audio.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/noise-remover-outside-in-balcony-birds-vehicles-and-su-5b4d8115de2b.wav","evidence_url":"https://aidemos.com/evidence/92fb6ae4-53b6-41a2-9fb8-d37ac9bf6c89"}],"other_criteria":[{"id":"782cb1df-e616-45e2-80f2-124259c02866","criterion":"handling-different-noise-types","criterion_name":"Handling different noise types","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"Performed well on environmental noises such as air noise, bird chirping, and ambient sounds, but was less effective on sudden transient noises like chair movement.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/782cb1df-e616-45e2-80f2-124259c02866"},{"id":"34db05b6-44b4-48d9-8297-2e143d7b99f8","criterion":"noise-removal-effectiveness","criterion_name":"Noise removal effectiveness","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Removed most continuous outdoor background noises, including air/wind noise, breathing sounds, and bird chirping around 0:17, though some chair movement noise at the beginning remained.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/34db05b6-44b4-48d9-8297-2e143d7b99f8"}],"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":"5f9fefc1-ddaa-4a7f-9552-0a5bbb8f7172","tool":"adobe-podcast-enhance","tool_name":"Adobe Podcast Enhance","verdict":"struggled","score":null,"score_total":null,"note":"The voice remained clear and understandable, but the tool noticeably altered the original vocal tone and natural characteristics."},{"id":"603541e8-7fa3-437d-963d-f0497bb3b994","tool":"auphonic","tool_name":"Auphonic","verdict":"struggled","score":null,"score_total":null,"note":"The output significantly changed the original voice, making it sound more robotic, louder, and less natural."},{"id":"cfd2e8ce-8e47-4801-8899-397b1075336e","tool":"cleanvoice","tool_name":"Cleanvoice","verdict":"struggled","score":null,"score_total":null,"note":"Significantly altered the speaker's tone and voice characteristics; the output sounded less natural and did not closely match the original recording."},{"id":"335b29f2-5507-476e-877f-a064395321a6","tool":"elevenlabs-voice-isolator","tool_name":"ElevenLabs Voice Isolator","verdict":"worked","score":null,"score_total":null,"note":"The speaker's voice stayed natural and clear, with no noticeable distortions, robotic artifacts, or tone changes."},{"id":"92fb6ae4-53b6-41a2-9fb8-d37ac9bf6c89","tool":"noise-remover","tool_name":"Noise Remover","verdict":"worked","score":null,"score_total":null,"note":"Preserves the speaker's natural tone in the cleaned audio."}]}