{"observation":{"id":"d29db857-29b4-4b28-9e92-85d3759bd67f","tool":"d-id","tool_name":"D-ID","criterion":"lip-sync-accuracy","criterion_name":"Lip Sync Accuracy","criterion_definition":"Does the dubbed audio visually match lip movements in the original video?","criterion_evidence_type":"transformation","criterion_rank_role":"decisive","criterion_rank_role_reason":"If the dubbed audio does not match the on-screen mouth movements, the core purpose of video translation with lip sync has failed. (3 of 3 judges)","scenario":"hindi-vlog-style-talking-head-hindi-english","scenario_name":"Hindi vlog-style talking head (Hindi → English)","group_tag":"video-translation-voice-clone-lip-sync","scenario_description":"A casual Hindi/Hinglish talking-head or vlog-style creator video translated into English to stress informal language handling, slang, and natural-sounding voice cloning on real creator content.","modality":"video","input_text":null,"input_artifact_refs":[],"stresses":[],"verdict":"failed","score":null,"score_total":null,"note":"Lip sync worked well on the AI avatar, but it did not apply to the original video.","evidence_state":"verified","source":"first-party","artifacts":[{"url":"https://d3epheqghktydj.cloudfront.net/d-id-d-id-educationalvideo-en-es-mp4.mp4","role":"output","alt":"D-ID — D-ID_EducationalVideo_EN-ES.mp4.mp4"}],"run_id":"9feca581-b454-4bda-a610-a646cd0092f0","study_title":"Translate Videos with Voice Cloning and Lip Sync Using AI","study_kind":"backfill","research_task":"86b96dfpf","tested_at":"2026-06-24T05:45:24.018000+00:00","completeness":"output-only","input":{"state":"not-captured","text":null,"files":[],"modality":"video","stresses":[]},"tool_page_slug":"d-id","tool_url":"https://aidemos.com/tools/d-id","permalink":"https://aidemos.com/evidence/d29db857-29b4-4b28-9e92-85d3759bd67f","api_url":"https://ai.aidemos.com/v1/observations/d29db857-29b4-4b28-9e92-85d3759bd67f"},"peers":[{"id":"e1dcfefa-c5c5-473c-b3ac-b124ddd241ef","tool":"dubverse","tool_name":"Dubverse","verdict":"worked","score":null,"score_total":null,"note":"Lip sync is good for slow to medium speech.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/dubverse-hindi-dubverse-ai.mp4","evidence_url":"https://aidemos.com/evidence/e1dcfefa-c5c5-473c-b3ac-b124ddd241ef"},{"id":"19111e13-9d4e-4f30-8535-be7a2d3b92c9","tool":"elevenlabs","tool_name":"ElevenLabs","verdict":"failed","score":null,"score_total":null,"note":"No lip-sync feature was provided, so the dubbing could not automatically match the original Hindi mouth movements.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/elevenlabs-free-copyright-stock-videos-images-and-music-publer-com-online-video-cutter-com.mp4","evidence_url":"https://aidemos.com/evidence/19111e13-9d4e-4f30-8535-be7a2d3b92c9"},{"id":"3f569910-d750-4754-8623-e5774a7e1ddb","tool":"heygen","tool_name":"Heygen","verdict":"mixed","score":null,"score_total":null,"note":"Lip sync is acceptable, but it weakens on longer sentences.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/heygen-input-2-educational.mp4","evidence_url":"https://aidemos.com/evidence/3f569910-d750-4754-8623-e5774a7e1ddb"},{"id":"0e34ffc2-0cda-4bf1-b391-b14cf3fc038c","tool":"rask-ai","tool_name":"Rask AI","verdict":"mixed","score":null,"score_total":null,"note":"Performs better on slower, clearer speech, but still shows slight lip-movement delays in some frames.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/rask-ai-input-2-educational.mp4","evidence_url":"https://aidemos.com/evidence/0e34ffc2-0cda-4bf1-b391-b14cf3fc038c"},{"id":"99c929a8-85a1-45db-a74c-9b5616555ccd","tool":"sync-labs","tool_name":"Sync Labs","verdict":"mixed","score":null,"score_total":null,"note":"Lip sync worked overall, but it struggled during expressive facial movements and fast speech.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/sync-labs-free-copyright-stock-videos-images-and-music-publer-com-online-video-cutter-com.mp4","evidence_url":"https://aidemos.com/evidence/99c929a8-85a1-45db-a74c-9b5616555ccd"}],"other_criteria":[{"id":"55895530-9029-43a6-b205-3a0bf8af4234","criterion":"automation-level","criterion_name":"Automation Level","rank_role":"context","verdict":"mixed","score":null,"score_total":null,"note":"The workflow stayed only partially automated because it depended on manual setup even though translation itself worked.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/55895530-9029-43a6-b205-3a0bf8af4234"},{"id":"9c075f10-6a5d-46b7-bb52-0ec4cd495de8","criterion":"automation-level","criterion_name":"Automation Level","rank_role":"context","verdict":"struggled","score":null,"score_total":null,"note":"Requires manual script extraction and avatar setup, so the pipeline is low automation rather than end-to-end.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/9c075f10-6a5d-46b7-bb52-0ec4cd495de8"},{"id":"34a6ffbb-1ed4-4266-8746-e58b35117c46","criterion":"automation-level","criterion_name":"Automation Level","rank_role":"context","verdict":"mixed","score":null,"score_total":null,"note":"Automates translation, but the setup remains manual, so the workflow is only partially automated.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/34a6ffbb-1ed4-4266-8746-e58b35117c46"},{"id":"14858b76-f7c7-4c51-8401-4e05a42cb688","criterion":"automation-level","criterion_name":"Automation Level","rank_role":"context","verdict":"mixed","score":null,"score_total":null,"note":"Can translate the vlog, but the workflow still depends on manual setup, so automation is only medium.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/14858b76-f7c7-4c51-8401-4e05a42cb688"},{"id":"2dd5fd0e-4284-47f7-a5ac-ece60e19722d","criterion":"input-handling","criterion_name":"Input Handling","rank_role":"context","verdict":"failed","score":null,"score_total":null,"note":"The Hindi vlog could not be processed directly; manual transcription was required before translation and dubbing.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/2dd5fd0e-4284-47f7-a5ac-ece60e19722d"},{"id":"c8fb4db4-7880-4b69-bf4d-2059449a083e","criterion":"input-handling","criterion_name":"Input Handling","rank_role":"context","verdict":"failed","score":null,"score_total":null,"note":"The tool does not support direct video translation for this input; it required manual script entry first.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/c8fb4db4-7880-4b69-bf4d-2059449a083e"},{"id":"192e0084-bcfc-4eea-ba5d-34405c7913a7","criterion":"input-handling","criterion_name":"Input Handling","rank_role":"context","verdict":"failed","score":null,"score_total":null,"note":"Cannot take a real fitness/action video directly for dubbing; it requires a static image or avatar-based input instead of direct video processing.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/192e0084-bcfc-4eea-ba5d-34405c7913a7"},{"id":"6d253faa-92b9-4bf9-8dd6-43599ff6354a","criterion":"output-quality-export","criterion_name":"Output Quality & Export","rank_role":"context","verdict":"mixed","score":null,"score_total":null,"note":"Export was available, but the free plan added limitations such as credits and watermarks.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/6d253faa-92b9-4bf9-8dd6-43599ff6354a"},{"id":"a3a66a2c-e459-433f-84b9-61b06b1f0056","criterion":"output-quality-export","criterion_name":"Output Quality & Export","rank_role":"context","verdict":"mixed","score":null,"score_total":null,"note":"Export was available, but it was limited in the free tier.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/a3a66a2c-e459-433f-84b9-61b06b1f0056"},{"id":"45ee0fc6-eef8-40f6-b0ea-1714f4920898","criterion":"translation-accuracy","criterion_name":"Translation Accuracy","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"English output is understandable, but it becomes slightly formal and does not fully preserve the casual vlog tone.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/45ee0fc6-eef8-40f6-b0ea-1714f4920898"},{"id":"04f0a86f-9906-4bf2-bafe-c5c536f39a49","criterion":"translation-accuracy","criterion_name":"Translation Accuracy","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"The English→Spanish translation was accurate.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/04f0a86f-9906-4bf2-bafe-c5c536f39a49"},{"id":"a6d2e957-6ebd-4bc9-aaf5-cc5fc4b0deaf","criterion":"translation-accuracy","criterion_name":"Translation Accuracy","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Can produce an acceptable English-to-Hindi translation.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/a6d2e957-6ebd-4bc9-aaf5-cc5fc4b0deaf"}],"appears_in":[{"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":"run"}],"same_scenario":[{"id":"e1dcfefa-c5c5-473c-b3ac-b124ddd241ef","tool":"dubverse","tool_name":"Dubverse","verdict":"worked","score":null,"score_total":null,"note":"Lip sync is good for slow to medium speech."},{"id":"19111e13-9d4e-4f30-8535-be7a2d3b92c9","tool":"elevenlabs","tool_name":"ElevenLabs","verdict":"failed","score":null,"score_total":null,"note":"No lip-sync feature was provided, so the dubbing could not automatically match the original Hindi mouth movements."},{"id":"3f569910-d750-4754-8623-e5774a7e1ddb","tool":"heygen","tool_name":"Heygen","verdict":"mixed","score":null,"score_total":null,"note":"Lip sync is acceptable, but it weakens on longer sentences."},{"id":"0e34ffc2-0cda-4bf1-b391-b14cf3fc038c","tool":"rask-ai","tool_name":"Rask AI","verdict":"mixed","score":null,"score_total":null,"note":"Performs better on slower, clearer speech, but still shows slight lip-movement delays in some frames."},{"id":"99c929a8-85a1-45db-a74c-9b5616555ccd","tool":"sync-labs","tool_name":"Sync Labs","verdict":"mixed","score":null,"score_total":null,"note":"Lip sync worked overall, but it struggled during expressive facial movements and fast speech."}]}