{"observation":{"id":"3bbfbd03-3883-401a-89dd-8116cb3b999b","tool":"dubverse","tool_name":"Dubverse","criterion":"output-quality-export","criterion_name":"Output Quality & Export","criterion_definition":"Is the final exported video clean, downloadable, and production-ready, and are there watermarks or credit restrictions?","criterion_evidence_type":"transformation","criterion_rank_role":"context","criterion_rank_role_reason":"A clean export and watermark-free download matter for usability, but they do not determine whether the tool can translate, clone voice, and lip-sync well. (3 of 3 judges)","scenario":"fitness-instructor-short-english-hindi","scenario_name":"Fitness instructor short (English → Hindi)","group_tag":"video-translation-voice-clone-lip-sync","scenario_description":"A short fitness/coaching video with energetic single-speaker English speech, used to test whether tools can translate into Hindi while preserving fast delivery, motivational tone, and original-face lip sync.","modality":"video","input_text":null,"input_artifact_refs":[{"alt":null,"url":"https://cdn.futuresmart.ai/public/aidemos/e0437017b0894e3486f5a2b2015a4da6.mp4?v=1","role":"input","filename":"Input 1 Fitness Video (online-video-cutter.com).mp4"}],"stresses":["Fast, energetic speech transcription","Tone preservation for motivational fitness content","English-to-Hindi translation quality","Lip-sync accuracy on a moving face","End-to-end dubbing workflow automation"],"verdict":"worked","score":null,"score_total":null,"note":"It exports a dubbed video with synced audio, offers MP4 and audio-only outputs, and the export time is described as moderate.","evidence_state":"verified","source":null,"artifacts":[{"url":"https://cdn.futuresmart.ai/public/aidemos/e120792604b24c0ab8fe30690529029b.mp4?v=1","role":"output","alt":null}],"run_id":"ec1dd100-6af8-4f49-8f19-b78492702b14","study_title":"Translate Videos with Voice Cloning and Lip Sync Using AI","study_kind":"generation","research_task":"86b96dfpf","tested_at":null,"completeness":"input-and-output","input":{"state":"files","text":null,"files":[{"url":"https://cdn.futuresmart.ai/public/aidemos/e0437017b0894e3486f5a2b2015a4da6.mp4?v=1","filename":"Input 1 Fitness Video (online-video-cutter.com).mp4","alt":"Fitness instructor short (English → Hindi)","role":"input"}],"modality":"video","stresses":["Fast, energetic speech transcription","Tone preservation for motivational fitness content","English-to-Hindi translation quality","Lip-sync accuracy on a moving face","End-to-end dubbing workflow automation"]},"tool_page_slug":"dubverse","tool_url":"https://aidemos.com/tools/dubverse","permalink":"https://aidemos.com/evidence/3bbfbd03-3883-401a-89dd-8116cb3b999b","api_url":"https://ai.aidemos.com/v1/observations/3bbfbd03-3883-401a-89dd-8116cb3b999b"},"peers":[{"id":"ec6069d6-a8f6-4518-841c-121d9f9217d2","tool":"akool","tool_name":"Akool","verdict":"failed","score":null,"score_total":null,"note":"The export visibly downscaled a 1080×1920 source to 404×720.","artifact_count":1,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/bd14f8fe805f44ee845b3310599af18c.png?v=1","evidence_url":"https://aidemos.com/evidence/ec6069d6-a8f6-4518-841c-121d9f9217d2"},{"id":"6a2371a9-10eb-4e08-a469-27058dfe35a9","tool":"elevenlabs","tool_name":"ElevenLabs","verdict":"failed","score":null,"score_total":null,"note":"The fitness dubbed export is not clean or production-ready because the output retains an ElevenLabs watermark.","artifact_count":1,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/ab85d23d050346dba7904a8d31b3b979.mp4?v=1","evidence_url":"https://aidemos.com/evidence/6a2371a9-10eb-4e08-a469-27058dfe35a9"},{"id":"54745121-4401-4bf1-b320-aae0810f7b34","tool":"rask-ai","tool_name":"Rask AI","verdict":"mixed","score":null,"score_total":null,"note":"The exported fitness clip is visually clean and playable, but it carries a persistent 'TRANSLATED BY RASK' watermark and the free-tier workflow had to be reviewed via screen recording rather than a native download.","artifact_count":1,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/411705d5ac5849f4b0a20a3d8b7618a6.mp4?v=1","evidence_url":"https://aidemos.com/evidence/54745121-4401-4bf1-b320-aae0810f7b34"},{"id":"030a08af-88b0-4212-8582-c1d99d15acfa","tool":"synthesia","tool_name":"Synthesia","verdict":"failed","score":null,"score_total":null,"note":"The visual compositing pass is unstable in the fitness run: the subject's body and white tank top turn a bright unnatural green for several seconds before returning to normal.","artifact_count":2,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/295c3edffa3a4be6a5845da61d71732b.mp4?v=1","evidence_url":"https://aidemos.com/evidence/030a08af-88b0-4212-8582-c1d99d15acfa"}],"other_criteria":[{"id":"9e1843d1-e7fa-4f78-aa4f-90c943c9b518","criterion":"lip-sync-accuracy","criterion_name":"Lip Sync Accuracy","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"Lip sync is good for slow to medium speech, but the report says it shows a slight delay in fast instruction segments.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/9e1843d1-e7fa-4f78-aa4f-90c943c9b518"},{"id":"53a8ffe8-3839-49b6-94fa-a0923ba19cdf","criterion":"translation-accuracy","criterion_name":"Translation Accuracy","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"It translates common fitness terminology from English to Hindi accurately, though the report notes some fitness-specific words were not localized naturally.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/53a8ffe8-3839-49b6-94fa-a0923ba19cdf"},{"id":"e720e1c4-db0f-4df3-b64f-8cb03c8d7d17","criterion":"voice-cloning-quality","criterion_name":"Voice Cloning Quality","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"The dubbed voice is clean with minimal distortion, but it under-shoots the energetic fitness tone and has limited emotional intensity.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/e720e1c4-db0f-4df3-b64f-8cb03c8d7d17"}],"appears_in":[{"page_type":"ranking","slug":"video-translation-tools","title":"Best AI Tools for Video Translation with Voice Cloning and Lip Sync","url":"https://aidemos.com/best/video-translation-tools","binding":"run"},{"page_type":"ranking","slug":"ai-video-dubbing-tools","title":"Best AI Tools to Translate Videos with Voice Cloning and Lip Sync","url":"https://aidemos.com/best/ai-video-dubbing-tools","binding":"study"}],"same_scenario":[{"id":"ec6069d6-a8f6-4518-841c-121d9f9217d2","tool":"akool","tool_name":"Akool","verdict":"failed","score":null,"score_total":null,"note":"The export visibly downscaled a 1080×1920 source to 404×720."},{"id":"6a2371a9-10eb-4e08-a469-27058dfe35a9","tool":"elevenlabs","tool_name":"ElevenLabs","verdict":"failed","score":null,"score_total":null,"note":"The fitness dubbed export is not clean or production-ready because the output retains an ElevenLabs watermark."},{"id":"54745121-4401-4bf1-b320-aae0810f7b34","tool":"rask-ai","tool_name":"Rask AI","verdict":"mixed","score":null,"score_total":null,"note":"The exported fitness clip is visually clean and playable, but it carries a persistent 'TRANSLATED BY RASK' watermark and the free-tier workflow had to be reviewed via screen recording rather than a native download."},{"id":"030a08af-88b0-4212-8582-c1d99d15acfa","tool":"synthesia","tool_name":"Synthesia","verdict":"failed","score":null,"score_total":null,"note":"The visual compositing pass is unstable in the fitness run: the subject's body and white tank top turn a bright unnatural green for several seconds before returning to normal."}]}