{"observation":{"id":"d27e294e-8552-4c63-8b6e-fb5d19d2542e","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":"storytelling-narration","scenario_name":"Storytelling Narration","group_tag":"voiceover-narration","scenario_description":"An emotional story narration about Maya discovering family memories in her grandmother's attic, designed to test expressiveness, immersion, and natural narrative flow.","modality":"text","input_text":"When Maya found an old key inside her grandmother's wooden box, she assumed it belonged to a forgotten drawer. But curiosity led her to the attic, where a dusty chest had been locked for decades. Inside were faded photographs, handwritten letters, and a journal filled with stories she'd never heard before. That afternoon, she didn't just discover family memories. She discovered a part of herself that had been waiting to be found all along.","input_artifact_refs":[],"stresses":["Emotional storytelling capability","Natural narration flow","Expressiveness and tonal variation","Character consistency","Overall immersion and listening experience"],"verdict":"worked","score":null,"score_total":null,"note":"Keeps pronunciation consistently accurate, with smooth handling of words, punctuation, and sentence transitions.","evidence_state":"verified","source":null,"artifacts":[{"url":"https://d3epheqghktydj.cloudfront.net/noiz-ai-noiz-ai-storytelling-narration-output-dea0585717b4.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":"When Maya found an old key inside her grandmother's wooden box, she assumed it belonged to a forgotten drawer. But curiosity led her to the attic, where a dusty chest had been locked for decades. Inside were faded photographs, handwritten letters, and a journal filled with stories she'd never heard before. That afternoon, she didn't just discover family memories. She discovered a part of herself that had been waiting to be found all along.","files":[],"modality":"text","stresses":["Emotional storytelling capability","Natural narration flow","Expressiveness and tonal variation","Character consistency","Overall immersion and listening experience"]},"tool_page_slug":"noiz-ai","tool_url":"https://aidemos.com/tools/noiz-ai","permalink":"https://aidemos.com/evidence/d27e294e-8552-4c63-8b6e-fb5d19d2542e","api_url":"https://ai.aidemos.com/v1/observations/d27e294e-8552-4c63-8b6e-fb5d19d2542e"},"peers":[{"id":"7fe6e6c4-7779-4d41-943b-21f869bb2be7","tool":"cartesia-ai","tool_name":"Cartesia.ai","verdict":"worked","score":null,"score_total":null,"note":"Keeps pronunciation consistently accurate with no significant errors or articulation issues.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/cartesia-ai-cartesia-storytelling-narration-output-1e64a371fb28.wav","evidence_url":"https://aidemos.com/evidence/7fe6e6c4-7779-4d41-943b-21f869bb2be7"},{"id":"02f0fb2b-0bbe-4a96-a76f-fb062bc8c85d","tool":"epidemic-sound-voices","tool_name":"Epidemic Sound Voices","verdict":"worked","score":null,"score_total":null,"note":"Keeps pronunciation accurate throughout the narration, correctly handling names, punctuation, and technical words with excellent overall clarity.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/epidemic-sound-epidemic-sound-storytelling-narration-ou-6863caa997a9.wav","evidence_url":"https://aidemos.com/evidence/02f0fb2b-0bbe-4a96-a76f-fb062bc8c85d"},{"id":"5051ede2-772f-4a04-baca-2b9a6b87e862","tool":"minimax","tool_name":"Minimax","verdict":"worked","score":null,"score_total":null,"note":"Articulates words accurately and clearly throughout a narrative, avoiding synthetic-sounding speech.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/minimax-io-minimax-storytelling-narration-output-633b1dd64323.wav","evidence_url":"https://aidemos.com/evidence/5051ede2-772f-4a04-baca-2b9a6b87e862"},{"id":"7210f2da-8120-4c40-97e7-0874da7c3bfc","tool":"murf-ai","tool_name":"Murf AI","verdict":"worked","score":null,"score_total":null,"note":"Pronunciation remains consistently accurate, with names, punctuation, and other terms spoken clearly throughout the narration.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/murf-ai-murf-ai-storytelling-narration-output-cf329d0865b7.wav","evidence_url":"https://aidemos.com/evidence/7210f2da-8120-4c40-97e7-0874da7c3bfc"}],"other_criteria":[{"id":"e8db9c1a-8598-4398-b0fc-88da40e998e5","criterion":"emotional-delivery","criterion_name":"Emotional Delivery","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Matches the story's emotional tone closely and makes the narration feel immersive and engaging.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/e8db9c1a-8598-4398-b0fc-88da40e998e5"},{"id":"213b2606-9ebb-428f-8268-0411a5d8fa05","criterion":"naturalness","criterion_name":"Naturalness","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Produces human-like, conversational storytelling speech that is significantly more natural than the advertisement and educational outputs.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/213b2606-9ebb-428f-8268-0411a5d8fa05"},{"id":"e5ce35d7-e0af-4d53-a0d9-320517ed486d","criterion":"pacing-rhythm","criterion_name":"Pacing & Rhythm","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Uses natural pacing, smooth sentence flow, and appropriately timed pauses without sounding rushed.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/e5ce35d7-e0af-4d53-a0d9-320517ed486d"},{"id":"61c0678a-a826-4c58-8860-c3b3c9aee24c","criterion":"voice-quality","criterion_name":"Voice Quality","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Generates clean, professional audio that is free from noticeable artifacts or distortion.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/61c0678a-a826-4c58-8860-c3b3c9aee24c"}],"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":"7fe6e6c4-7779-4d41-943b-21f869bb2be7","tool":"cartesia-ai","tool_name":"Cartesia.ai","verdict":"worked","score":null,"score_total":null,"note":"Keeps pronunciation consistently accurate with no significant errors or articulation issues."},{"id":"02f0fb2b-0bbe-4a96-a76f-fb062bc8c85d","tool":"epidemic-sound-voices","tool_name":"Epidemic Sound Voices","verdict":"worked","score":null,"score_total":null,"note":"Keeps pronunciation accurate throughout the narration, correctly handling names, punctuation, and technical words with excellent overall clarity."},{"id":"5051ede2-772f-4a04-baca-2b9a6b87e862","tool":"minimax","tool_name":"Minimax","verdict":"worked","score":null,"score_total":null,"note":"Articulates words accurately and clearly throughout a narrative, avoiding synthetic-sounding speech."},{"id":"7210f2da-8120-4c40-97e7-0874da7c3bfc","tool":"murf-ai","tool_name":"Murf AI","verdict":"worked","score":null,"score_total":null,"note":"Pronunciation remains consistently accurate, with names, punctuation, and other terms spoken clearly throughout the narration."}]}