{"observation":{"id":"ea7cccf2-d356-4db0-a864-f506542e1a00","tool":"vocalai","tool_name":"VocalAI","criterion":"pronunciation-accuracy","criterion_name":"Pronunciation Accuracy","criterion_definition":"How well the tool handles names, technical terms, numbers, acronyms, and other tricky pronunciations.","criterion_evidence_type":"transformation","criterion_rank_role":"decisive","criterion_rank_role_reason":"If a cloned voice cannot handle names, numbers, acronyms, and technical terms correctly, it fails at producing usable voiceover. (3 of 3 judges)","scenario":"multilingual-voice-sample-hindi","scenario_name":"Multilingual Voice Sample (Hindi)","group_tag":"voice-cloning","scenario_description":"A Hindi-language generation prompt applied to the already-cloned voice to test cross-language speaker preservation, pronunciation accuracy, and multilingual consistency across tools.","modality":"text","input_text":null,"input_artifact_refs":[{"alt":null,"url":"https://d3epheqghktydj.cloudfront.net/research-media-heygen-hindi-script-input-fe71b875f774.txt","role":"input","filename":"heygen_hindi_script_input.txt"},{"alt":null,"url":"https://d3epheqghktydj.cloudfront.net/research-media-topmediai-hindi-script-input-446f5191928a.txt","role":"input","filename":"topmediai_hindi_script_input.txt"},{"alt":null,"url":"https://d3epheqghktydj.cloudfront.net/clone-your-voice-and-generate-voiceover--vocalai-hindi-input-268187bdf25d.txt","role":"input","filename":"vocalai_hindi_input.txt"},{"alt":null,"url":"https://d3epheqghktydj.cloudfront.net/clone-your-voice-and-generate-voiceover--aiclonevoicefree-hindi-input-43755ffcd760.txt","role":"input","filename":"aiclonevoicefree_hindi_input.txt"},{"alt":null,"url":"https://d3epheqghktydj.cloudfront.net/clone-your-voice-and-generate-voiceover--elevenlabs-hindi-input-626ee5e1316f.txt","role":"input","filename":"elevenlabs_hindi_input.txt"},{"alt":null,"url":"https://d3epheqghktydj.cloudfront.net/clone-your-voice-and-generate-voiceover--minimax-hindi-input-3f25c2e82e07.txt","role":"input","filename":"minimax_hindi_input.txt"},{"alt":null,"url":"https://d3epheqghktydj.cloudfront.net/clone-your-voice-and-generate-voiceover--inworld-hindi-input-1d7bed5dd782.txt","role":"input","filename":"inworld_hindi_input.txt"},{"alt":null,"url":"https://d3epheqghktydj.cloudfront.net/clone-your-voice-and-generate-voiceover--fishaudio-hindi-input-3c6701eea64d.txt","role":"input","filename":"fishaudio_hindi_input.txt"},{"alt":null,"url":"https://d3epheqghktydj.cloudfront.net/research-media-uberduck-hindi-input-2eac37eaf4b8.txt","role":"input","filename":"uberduck_hindi_input.txt"}],"stresses":["Multilingual voice generation","Cross-language speaker preservation","Pronunciation accuracy in Hindi","Tone, pitch, and pacing consistency across languages","Long-form multilingual reliability"],"verdict":"worked","score":null,"score_total":null,"note":"The multilingual run handled Hindi pronunciation effectively enough to remain clear and understandable.","evidence_state":"verified","source":null,"artifacts":[{"url":"https://d3epheqghktydj.cloudfront.net/research-media-vocalai-output-multilingual-f02d3b493f30.wav","role":"output","alt":null}],"run_id":"46222c41-0046-41cc-bfaa-5f7ba6aa4933","study_title":"Clone Your Voice and Generate Voiceover from Text","study_kind":"generation","research_task":"86ba42bx1","tested_at":null,"completeness":"input-and-output","input":{"state":"files","text":null,"files":[{"url":"https://d3epheqghktydj.cloudfront.net/research-media-heygen-hindi-script-input-fe71b875f774.txt","filename":"heygen_hindi_script_input.txt","alt":"Multilingual Voice Sample (Hindi)","role":"input"},{"url":"https://d3epheqghktydj.cloudfront.net/research-media-topmediai-hindi-script-input-446f5191928a.txt","filename":"topmediai_hindi_script_input.txt","alt":"Multilingual Voice Sample (Hindi)","role":"input"},{"url":"https://d3epheqghktydj.cloudfront.net/clone-your-voice-and-generate-voiceover--vocalai-hindi-input-268187bdf25d.txt","filename":"vocalai_hindi_input.txt","alt":"Multilingual Voice Sample (Hindi)","role":"input"},{"url":"https://d3epheqghktydj.cloudfront.net/clone-your-voice-and-generate-voiceover--aiclonevoicefree-hindi-input-43755ffcd760.txt","filename":"aiclonevoicefree_hindi_input.txt","alt":"Multilingual Voice Sample (Hindi)","role":"input"},{"url":"https://d3epheqghktydj.cloudfront.net/clone-your-voice-and-generate-voiceover--elevenlabs-hindi-input-626ee5e1316f.txt","filename":"elevenlabs_hindi_input.txt","alt":"Multilingual Voice Sample (Hindi)","role":"input"},{"url":"https://d3epheqghktydj.cloudfront.net/clone-your-voice-and-generate-voiceover--minimax-hindi-input-3f25c2e82e07.txt","filename":"minimax_hindi_input.txt","alt":"Multilingual Voice Sample (Hindi)","role":"input"},{"url":"https://d3epheqghktydj.cloudfront.net/clone-your-voice-and-generate-voiceover--inworld-hindi-input-1d7bed5dd782.txt","filename":"inworld_hindi_input.txt","alt":"Multilingual Voice Sample (Hindi)","role":"input"},{"url":"https://d3epheqghktydj.cloudfront.net/clone-your-voice-and-generate-voiceover--fishaudio-hindi-input-3c6701eea64d.txt","filename":"fishaudio_hindi_input.txt","alt":"Multilingual Voice Sample (Hindi)","role":"input"},{"url":"https://d3epheqghktydj.cloudfront.net/research-media-uberduck-hindi-input-2eac37eaf4b8.txt","filename":"uberduck_hindi_input.txt","alt":"Multilingual Voice Sample (Hindi)","role":"input"}],"modality":"text","stresses":["Multilingual voice generation","Cross-language speaker preservation","Pronunciation accuracy in Hindi","Tone, pitch, and pacing consistency across languages","Long-form multilingual reliability"]},"tool_page_slug":"vocalai","tool_url":"https://aidemos.com/tools/vocalai","permalink":"https://aidemos.com/evidence/ea7cccf2-d356-4db0-a864-f506542e1a00","api_url":"https://ai.aidemos.com/v1/observations/ea7cccf2-d356-4db0-a864-f506542e1a00"},"peers":[{"id":"a5b7bf38-ecdb-4f31-9611-45c222d6344c","tool":"aiclonevoicefree-com","tool_name":"AICloneVoiceFree.com","verdict":"mixed","score":null,"score_total":null,"note":"Pronunciation in Hindi is inconsistent, indicating uneven handling of the multilingual script even though the tool does generate output.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-aiclonevoicefree-output-multilingual-445effae1957.mp3","evidence_url":"https://aidemos.com/evidence/a5b7bf38-ecdb-4f31-9611-45c222d6344c"},{"id":"3d4fb67b-fe3b-4800-9d76-efd70ded7b26","tool":"elevenlabs","tool_name":"ElevenLabs","verdict":"worked","score":null,"score_total":null,"note":"Keeps Hindi flow and pronunciation generally smooth, even though identity preservation is weak.","artifact_count":3,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-elevenlabs-hindi-script-input-8cffd5de94b9.txt","evidence_url":"https://aidemos.com/evidence/3d4fb67b-fe3b-4800-9d76-efd70ded7b26"},{"id":"0caf50bf-ad3a-4c28-a2e1-9a786f31f337","tool":"fish-audio","tool_name":"Fish Audio","verdict":"failed","score":null,"score_total":null,"note":"Hindi pronunciation breaks down in several places: output 1 had multiple pronunciation errors, and output 2 repeated the same mispronunciation pattern.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-multilingual-input-output-1-680f6ea7a739.mp3","evidence_url":"https://aidemos.com/evidence/0caf50bf-ad3a-4c28-a2e1-9a786f31f337"},{"id":"55c6d740-9144-4be8-a149-683b69185420","tool":"heygen","tool_name":"Heygen","verdict":"failed","score":null,"score_total":null,"note":"Hindi words were frequently mispronounced in the multilingual output.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-heygen-output-multilingual-9b4cbddb338d.wav","evidence_url":"https://aidemos.com/evidence/55c6d740-9144-4be8-a149-683b69185420"},{"id":"e85b529d-28a8-42ea-899b-aa131671a8b5","tool":"inworld","tool_name":"Inworld","verdict":"worked","score":null,"score_total":null,"note":"Hindi pronunciation was a genuine strength: words came through clearly and naturally in the full non-English script.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-inworld-output-multilingual-fc9ec68a818b.mp3","evidence_url":"https://aidemos.com/evidence/e85b529d-28a8-42ea-899b-aa131671a8b5"},{"id":"f10e83b6-eeaf-408c-88f4-a7207819bec5","tool":"minimax","tool_name":"MiniMax","verdict":"worked","score":null,"score_total":null,"note":"Hindi pronunciation itself was accurate and clear on the generated output, despite the weaker speaker-identity match.","artifact_count":3,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-minimax-output-multilingual-52e4d0b98a2d.wav","evidence_url":"https://aidemos.com/evidence/f10e83b6-eeaf-408c-88f4-a7207819bec5"},{"id":"fca6a899-4704-412d-8b29-b73f132a07aa","tool":"topmediai-voice-cloning","tool_name":"TopMediai Voice Cloning","verdict":"worked","score":null,"score_total":null,"note":"Gen+ keeps Hindi pronunciation and language reproduction accurate despite weak identity matching.","artifact_count":3,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-topmediai-hindi-script-input-446f5191928a.txt","evidence_url":"https://aidemos.com/evidence/fca6a899-4704-412d-8b29-b73f132a07aa"},{"id":"77bce62c-c51c-45f9-8619-ef0fc68305c6","tool":"uberduck","tool_name":"Uberduck","verdict":"struggled","score":null,"score_total":null,"note":"Hindi pronunciation was inconsistent: some words were recognizable, but the disjointed delivery made portions harder to parse than the English outputs.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-uberduck-multilingual-output-4d84e3518dae.wav","evidence_url":"https://aidemos.com/evidence/77bce62c-c51c-45f9-8619-ef0fc68305c6"}],"other_criteria":[{"id":"c4aeccf7-e6da-4b05-8913-fc8708c68754","criterion":"long-form-consistency","criterion_name":"Long-Form Consistency","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"Long-form consistency was acceptable but not fully reliable, with occasional quality fluctuations that made the output better suited to shorter multilingual content than extended narration.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/c4aeccf7-e6da-4b05-8913-fc8708c68754"},{"id":"88afdbbd-f958-4688-8753-67f55c828175","criterion":"multilingual-output-quality","criterion_name":"Multilingual Output Quality","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"The Hindi generation remained clear and understandable, and the report says the model handled language pronunciation and adaptation effectively.","artifact_count":3,"evidence_url":"https://aidemos.com/evidence/88afdbbd-f958-4688-8753-67f55c828175"},{"id":"69df860a-164f-491d-a752-2cb8d9f236e5","criterion":"naturalness","criterion_name":"Naturalness & Human Quality","rank_role":"decisive","verdict":"struggled","score":null,"score_total":null,"note":"The Hindi output sounded more robotic than the English runs, with weaker human-like qualities and a less natural speech flow.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/69df860a-164f-491d-a752-2cb8d9f236e5"},{"id":"7359f584-07e9-4a62-9a73-3bf6abb9f6c8","criterion":"voice-match-accuracy","criterion_name":"Voice Match Accuracy","rank_role":"decisive","verdict":"struggled","score":null,"score_total":null,"note":"In Hindi, the cloned voice preserved only about 15–20% of the original speaker's identity, with most of the output sounding significantly different from the source voice.","artifact_count":3,"evidence_url":"https://aidemos.com/evidence/7359f584-07e9-4a62-9a73-3bf6abb9f6c8"}],"appears_in":[{"page_type":"ranking","slug":"voice-cloning-tools","title":"Best AI Tools to Clone Your Voice and Generate Voiceovers from Text","url":"https://aidemos.com/best/voice-cloning-tools","binding":"run"}],"same_scenario":[{"id":"a5b7bf38-ecdb-4f31-9611-45c222d6344c","tool":"aiclonevoicefree-com","tool_name":"AICloneVoiceFree.com","verdict":"mixed","score":null,"score_total":null,"note":"Pronunciation in Hindi is inconsistent, indicating uneven handling of the multilingual script even though the tool does generate output."},{"id":"3d4fb67b-fe3b-4800-9d76-efd70ded7b26","tool":"elevenlabs","tool_name":"ElevenLabs","verdict":"worked","score":null,"score_total":null,"note":"Keeps Hindi flow and pronunciation generally smooth, even though identity preservation is weak."},{"id":"0caf50bf-ad3a-4c28-a2e1-9a786f31f337","tool":"fish-audio","tool_name":"Fish Audio","verdict":"failed","score":null,"score_total":null,"note":"Hindi pronunciation breaks down in several places: output 1 had multiple pronunciation errors, and output 2 repeated the same mispronunciation pattern."},{"id":"55c6d740-9144-4be8-a149-683b69185420","tool":"heygen","tool_name":"Heygen","verdict":"failed","score":null,"score_total":null,"note":"Hindi words were frequently mispronounced in the multilingual output."},{"id":"e85b529d-28a8-42ea-899b-aa131671a8b5","tool":"inworld","tool_name":"Inworld","verdict":"worked","score":null,"score_total":null,"note":"Hindi pronunciation was a genuine strength: words came through clearly and naturally in the full non-English script."},{"id":"f10e83b6-eeaf-408c-88f4-a7207819bec5","tool":"minimax","tool_name":"MiniMax","verdict":"worked","score":null,"score_total":null,"note":"Hindi pronunciation itself was accurate and clear on the generated output, despite the weaker speaker-identity match."},{"id":"fca6a899-4704-412d-8b29-b73f132a07aa","tool":"topmediai-voice-cloning","tool_name":"TopMediai Voice Cloning","verdict":"worked","score":null,"score_total":null,"note":"Gen+ keeps Hindi pronunciation and language reproduction accurate despite weak identity matching."},{"id":"77bce62c-c51c-45f9-8619-ef0fc68305c6","tool":"uberduck","tool_name":"Uberduck","verdict":"struggled","score":null,"score_total":null,"note":"Hindi pronunciation was inconsistent: some words were recognizable, but the disjointed delivery made portions harder to parse than the English outputs."}]}