{"observation":{"id":"f54ce345-1146-442a-91fe-7d36d27554a4","tool":"noiz-ai","tool_name":"Noiz AI","criterion":"pronunciation-accuracy","criterion_name":"Pronunciation Accuracy","criterion_definition":"Correct pronunciation of names, technical terms, and punctuation.","criterion_evidence_type":"transformation","criterion_rank_role":"decisive","criterion_rank_role_reason":"Correctly pronouncing names, technical terms, and punctuation is essential to usable narration. (3 of 3 judges)","scenario":"educational-explainer","scenario_name":"Educational Explainer","group_tag":"voiceover-narration","scenario_description":"An educational narration explaining why the sky changes color during sunset, intended to test clarity, scientific pronunciation, and calm long-form explanation.","modality":"text","input_text":"Have you ever wondered why the sky changes color during sunset? It all comes down to the way sunlight travels through Earth's atmosphere. During the day, blue light is scattered in every direction, making the sky appear blue. But as the sun gets lower, its light travels through much more of the atmosphere. Most of the blue light gets scattered away, leaving behind the warmer reds, oranges, and pinks that create those beautiful evening skies we love to watch.","input_artifact_refs":[],"stresses":["Clarity of informational narration","Pronunciation of scientific terms","Calm and engaging delivery","Pacing consistency","Voice quality during long-form explanation"],"verdict":"worked","score":null,"score_total":null,"note":"Pronounces names, technical terms, and punctuation correctly, with consistent clarity across the explainer.","evidence_state":"verified","source":null,"artifacts":[{"url":"https://d3epheqghktydj.cloudfront.net/noiz-ai-noiz-ai-educational-explainer-output-bb492dfa14aa.wav","role":"output","alt":null}],"run_id":"2cc0c2ec-33ac-4420-b0c5-85214fa9e409","study_title":"Generate Professional Voiceovers","study_kind":"generation","research_task":"86baq76ud","tested_at":null,"completeness":"input-and-output","input":{"state":"text","text":"Have you ever wondered why the sky changes color during sunset? It all comes down to the way sunlight travels through Earth's atmosphere. During the day, blue light is scattered in every direction, making the sky appear blue. But as the sun gets lower, its light travels through much more of the atmosphere. Most of the blue light gets scattered away, leaving behind the warmer reds, oranges, and pinks that create those beautiful evening skies we love to watch.","files":[],"modality":"text","stresses":["Clarity of informational narration","Pronunciation of scientific terms","Calm and engaging delivery","Pacing consistency","Voice quality during long-form explanation"]},"tool_page_slug":"noiz-ai","tool_url":"https://aidemos.com/tools/noiz-ai","permalink":"https://aidemos.com/evidence/f54ce345-1146-442a-91fe-7d36d27554a4","api_url":"https://ai.aidemos.com/v1/observations/f54ce345-1146-442a-91fe-7d36d27554a4"},"peers":[{"id":"dfea13ee-4a18-40c2-bac3-dd47a6170d09","tool":"cartesia-ai","tool_name":"Cartesia.ai","verdict":"worked","score":null,"score_total":null,"note":"Maintains clear, accurate articulation across both technical and general words, keeping the explanation easy to understand.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/cartesia-ai-cartesia-educational-explainer-output-5465e0bd9b7a.wav","evidence_url":"https://aidemos.com/evidence/dfea13ee-4a18-40c2-bac3-dd47a6170d09"},{"id":"07ff9044-9576-4595-93e2-bc0fa6a6088d","tool":"epidemic-sound-voices","tool_name":"Epidemic Sound Voices","verdict":"worked","score":null,"score_total":null,"note":"Maintains consistently accurate pronunciation of names, punctuation, and technical terms, with no pronunciation errors reported in the explainer script.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/epidemic-sound-epidemic-sound-educational-explainer-out-82428c134ec6.wav","evidence_url":"https://aidemos.com/evidence/07ff9044-9576-4595-93e2-bc0fa6a6088d"},{"id":"19f6005a-f2c5-4cdc-af48-7eb9dafe38eb","tool":"minimax","tool_name":"Minimax","verdict":"worked","score":null,"score_total":null,"note":"Keeps technical and general vocabulary consistently clear and accurate, making long-form explanation easy to follow.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/minimax-io-minimax-educational-explainer-output-e4de825b86df.wav","evidence_url":"https://aidemos.com/evidence/19f6005a-f2c5-4cdc-af48-7eb9dafe38eb"},{"id":"4a7c8bdb-5243-49a8-9e9a-07244bdc8ffd","tool":"murf-ai","tool_name":"Murf AI","verdict":"worked","score":null,"score_total":null,"note":"Words, names, punctuation, and technical terminology are spoken clearly without noticeable pronunciation errors.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/murf-ai-murf-ai-educational-explainer-output-ecec3d709ef1.wav","evidence_url":"https://aidemos.com/evidence/4a7c8bdb-5243-49a8-9e9a-07244bdc8ffd"}],"other_criteria":[{"id":"dab10ea6-d19a-40a9-aeca-9442cecf011e","criterion":"emotional-delivery","criterion_name":"Emotional Delivery","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"Generally matches the calm explanatory tone, but the delivery lacks subtle variation and becomes less engaging over longer passages.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/dab10ea6-d19a-40a9-aeca-9442cecf011e"},{"id":"92636344-5ff7-45ae-9ed3-6bb7c2efe2f9","criterion":"naturalness","criterion_name":"Naturalness","rank_role":"decisive","verdict":"struggled","score":null,"score_total":null,"note":"Maintains a conversational style, but the voice still sounds noticeably AI-generated and synthetically toned rather than fully natural.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/92636344-5ff7-45ae-9ed3-6bb7c2efe2f9"},{"id":"004d01bb-6390-4088-b36a-f169143eb850","criterion":"pacing-rhythm","criterion_name":"Pacing & Rhythm","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"Places pauses according to punctuation, but the pacing becomes inconsistent in the back half of the passage and can sound harsh there.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/004d01bb-6390-4088-b36a-f169143eb850"},{"id":"51d6bd25-a8ea-40b3-917b-6ff528871561","criterion":"voice-quality","criterion_name":"Voice Quality","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Records clear, clean audio with minimal artifacts, even though the voice itself remains somewhat robotic.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/51d6bd25-a8ea-40b3-917b-6ff528871561"}],"appears_in":[{"page_type":"ranking","slug":"ai-voiceover-tools","title":"Best AI Tools for Professional Voiceovers","url":"https://aidemos.com/best/ai-voiceover-tools","binding":"run"},{"page_type":"tool","slug":"cartesia-ai","title":null,"url":"https://aidemos.com/tools/cartesia-ai","binding":"run"},{"page_type":"tool","slug":"epidemic-sound","title":null,"url":"https://aidemos.com/tools/epidemic-sound","binding":"run"},{"page_type":"tool","slug":"minimax-io","title":null,"url":"https://aidemos.com/tools/minimax-io","binding":"run"},{"page_type":"tool","slug":"murf-ai","title":null,"url":"https://aidemos.com/tools/murf-ai","binding":"run"},{"page_type":"tool","slug":"noiz-ai","title":null,"url":"https://aidemos.com/tools/noiz-ai","binding":"run"}],"same_scenario":[{"id":"dfea13ee-4a18-40c2-bac3-dd47a6170d09","tool":"cartesia-ai","tool_name":"Cartesia.ai","verdict":"worked","score":null,"score_total":null,"note":"Maintains clear, accurate articulation across both technical and general words, keeping the explanation easy to understand."},{"id":"07ff9044-9576-4595-93e2-bc0fa6a6088d","tool":"epidemic-sound-voices","tool_name":"Epidemic Sound Voices","verdict":"worked","score":null,"score_total":null,"note":"Maintains consistently accurate pronunciation of names, punctuation, and technical terms, with no pronunciation errors reported in the explainer script."},{"id":"19f6005a-f2c5-4cdc-af48-7eb9dafe38eb","tool":"minimax","tool_name":"Minimax","verdict":"worked","score":null,"score_total":null,"note":"Keeps technical and general vocabulary consistently clear and accurate, making long-form explanation easy to follow."},{"id":"4a7c8bdb-5243-49a8-9e9a-07244bdc8ffd","tool":"murf-ai","tool_name":"Murf AI","verdict":"worked","score":null,"score_total":null,"note":"Words, names, punctuation, and technical terminology are spoken clearly without noticeable pronunciation errors."}]}