{"observation":{"id":"26d95dfc-bf93-4916-aa3c-46b6334459bf","tool":"noise-remover","tool_name":"Noise Remover","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-ac-fan-background-noise","scenario_name":"Indoor AC + Fan Background Noise","group_tag":"background-noise-removal","scenario_description":"A real-world indoor speech recording with continuous background noise from both an air conditioner and a fan. It is designed to test whether tools can suppress overlapping mechanical noise while preserving speech naturalness.","modality":"audio","input_text":null,"input_artifact_refs":[{"alt":null,"url":"https://d3epheqghktydj.cloudfront.net/remove-background-noise-from-audio-and-v-ai-demos-direction-ac-and-fan-on-bf9031354d4a.wav","role":"input","filename":"AI demos direction ac and fan on.wav"}],"stresses":["Removal of multiple overlapping indoor mechanical noises","Speech enhancement and isolation","Voice quality preservation under steady noise","Minimal-artifact background noise suppression"],"verdict":"worked","score":null,"score_total":null,"note":"Removes continuous AC, fan, breathing, and hiss noise effectively, with cleanup audible from the start of the cleaned clip.","evidence_state":"verified","source":null,"artifacts":[{"url":"https://cdn.futuresmart.ai/public/aidemos/5265686544a24e6b82ae79aa52c6ae83.wav?v=1","role":"input","alt":null},{"url":"https://cdn.futuresmart.ai/public/aidemos/8771c06afebc4fa6940ab33821c0607d.wav?v=1","role":"output","alt":null},{"url":"https://cdn.futuresmart.ai/public/aidemos/e3008e71144c4262887a931a7b087eae.wav?v=1","role":"context","alt":null}],"run_id":"189e3005-33f2-4481-924e-334542fcda87","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/remove-background-noise-from-audio-and-v-ai-demos-direction-ac-and-fan-on-bf9031354d4a.wav","filename":"AI demos direction ac and fan on.wav","alt":"Indoor AC + Fan Background Noise","role":"input"}],"modality":"audio","stresses":["Removal of multiple overlapping indoor mechanical noises","Speech enhancement and isolation","Voice quality preservation under steady noise","Minimal-artifact background noise suppression"]},"tool_page_slug":"noise-remover","tool_url":"https://aidemos.com/tools/noise-remover","permalink":"https://aidemos.com/evidence/26d95dfc-bf93-4916-aa3c-46b6334459bf","api_url":"https://ai.aidemos.com/v1/observations/26d95dfc-bf93-4916-aa3c-46b6334459bf"},"peers":[{"id":"cf83c37c-8b0b-49c5-aac7-e56e9e61996a","tool":"adobe-podcast-enhance","tool_name":"Adobe Podcast Enhance","verdict":"worked","score":null,"score_total":null,"note":"The enhancer removed constant background noise from a mixed mechanical source, including fan noise, AC noise, breathing, and a short unwanted burst around 0:24–0:25, leaving the output significantly cleaner than the source.","artifact_count":3,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/fa51c230f80d4af09534e5ba60a72102.wav?v=1","evidence_url":"https://aidemos.com/evidence/cf83c37c-8b0b-49c5-aac7-e56e9e61996a"},{"id":"91794806-14ac-4a61-ab0a-efc039989543","tool":"audo-studio","tool_name":"Audo Studio","verdict":"mixed","score":null,"score_total":null,"note":"The tool reduces a noticeable portion of continuous mechanical background noise, but it does not fully remove it and leaves residual hiss and other audible noise artifacts behind.","artifact_count":2,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/f36faa62bada45398766b19520e4390c.mp3?v=1","evidence_url":"https://aidemos.com/evidence/91794806-14ac-4a61-ab0a-efc039989543"},{"id":"abe8d35f-ced0-429d-a577-c67648124ac1","tool":"auphonic","tool_name":"Auphonic","verdict":"worked","score":null,"score_total":null,"note":"The tool removed most of the background noise in this recording, including AC noise, fan noise, hiss, breathing sounds, and minor microphone artifacts.","artifact_count":3,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/fa51c230f80d4af09534e5ba60a72102.wav?v=1","evidence_url":"https://aidemos.com/evidence/abe8d35f-ced0-429d-a577-c67648124ac1"},{"id":"3a05565b-bb04-40a3-bbcd-a618a0e249e5","tool":"cleanvoice","tool_name":"Cleanvoice","verdict":"worked","score":null,"score_total":null,"note":"Removes overlapping continuous mechanical noise very effectively: the cleaned result eliminated the AC, fan, breathing, and nearby microphone noise, with the background described as almost completely gone around 0:24–0:25.","artifact_count":2,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/2b0f1814744d47f4892f67eab920bdfe.wav?v=1","evidence_url":"https://aidemos.com/evidence/3a05565b-bb04-40a3-bbcd-a618a0e249e5"},{"id":"add3a581-22b6-428d-a54b-e64cee9d30ac","tool":"elevenlabs-voice-isolator","tool_name":"ElevenLabs Voice Isolator","verdict":"mixed","score":null,"score_total":null,"note":"The tool reduced continuous AC and fan noise, but startup hiss and microphone noise around 24–25 seconds stayed noticeable in the output.","artifact_count":1,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/80cec00644f0451d8bf9dcdda8e5736b.mp3?v=1","evidence_url":"https://aidemos.com/evidence/add3a581-22b6-428d-a54b-e64cee9d30ac"}],"other_criteria":[{"id":"57548a30-a85d-4e03-83e7-58b3c26f0aeb","criterion":"handling-different-noise-types","criterion_name":"Handling different noise types","rank_role":"decisive","verdict":"struggled","score":null,"score_total":null,"note":"Handles steady mechanical noise well, but leaves two short microphone spikes around 0:01 and 0:24 clearly audible after cleanup.","artifact_count":3,"evidence_url":"https://aidemos.com/evidence/57548a30-a85d-4e03-83e7-58b3c26f0aeb"},{"id":"7a6a7593-7283-41dd-bab5-b85eaedd7a60","criterion":"voice-preservation","criterion_name":"Voice preservation","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Preserves a natural vocal tone after cleanup, with no noticeable robotic artifacts or pitch distortion in the cleaned segments.","artifact_count":3,"evidence_url":"https://aidemos.com/evidence/7a6a7593-7283-41dd-bab5-b85eaedd7a60"}],"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":"cf83c37c-8b0b-49c5-aac7-e56e9e61996a","tool":"adobe-podcast-enhance","tool_name":"Adobe Podcast Enhance","verdict":"worked","score":null,"score_total":null,"note":"The enhancer removed constant background noise from a mixed mechanical source, including fan noise, AC noise, breathing, and a short unwanted burst around 0:24–0:25, leaving the output significantly cleaner than the source."},{"id":"91794806-14ac-4a61-ab0a-efc039989543","tool":"audo-studio","tool_name":"Audo Studio","verdict":"mixed","score":null,"score_total":null,"note":"The tool reduces a noticeable portion of continuous mechanical background noise, but it does not fully remove it and leaves residual hiss and other audible noise artifacts behind."},{"id":"abe8d35f-ced0-429d-a577-c67648124ac1","tool":"auphonic","tool_name":"Auphonic","verdict":"worked","score":null,"score_total":null,"note":"The tool removed most of the background noise in this recording, including AC noise, fan noise, hiss, breathing sounds, and minor microphone artifacts."},{"id":"3a05565b-bb04-40a3-bbcd-a618a0e249e5","tool":"cleanvoice","tool_name":"Cleanvoice","verdict":"worked","score":null,"score_total":null,"note":"Removes overlapping continuous mechanical noise very effectively: the cleaned result eliminated the AC, fan, breathing, and nearby microphone noise, with the background described as almost completely gone around 0:24–0:25."},{"id":"add3a581-22b6-428d-a54b-e64cee9d30ac","tool":"elevenlabs-voice-isolator","tool_name":"ElevenLabs Voice Isolator","verdict":"mixed","score":null,"score_total":null,"note":"The tool reduced continuous AC and fan noise, but startup hiss and microphone noise around 24–25 seconds stayed noticeable in the output."}]}