{"observation":{"id":"c4f6b3d9-a2ad-499c-8142-bd6138f0f31e","tool":"topmediai-voice-cloning","tool_name":"TopMediai Voice Cloning","criterion":"multilingual-output-quality","criterion_name":"Multilingual Output Quality","criterion_definition":"How well the cloned voice preserves speaker identity and quality when generating speech in another language.","criterion_evidence_type":"transformation","criterion_rank_role":"decisive","criterion_rank_role_reason":"If the tool is used to generate cloned voiceover in another language, preserving identity and quality is part of the core performance being tested. (2 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":"Gen+ reproduces Hindi accurately even though voice similarity is lower, so multilingual generation quality remains strong.","evidence_state":"verified","source":null,"artifacts":[{"url":"https://d3epheqghktydj.cloudfront.net/research-media-topmediai-hindi-script-input-446f5191928a.txt","role":"input","alt":null},{"url":"https://d3epheqghktydj.cloudfront.net/research-media-topmediai-output-multilingual-genplus-947783a100c5.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":"topmediai-voice-cloning","tool_url":"https://aidemos.com/tools/topmediai-voice-cloning","permalink":"https://aidemos.com/evidence/c4f6b3d9-a2ad-499c-8142-bd6138f0f31e","api_url":"https://ai.aidemos.com/v1/observations/c4f6b3d9-a2ad-499c-8142-bd6138f0f31e"},"peers":[{"id":"ee0d73bf-a568-4eb9-ac27-6fc65c19c297","tool":"aiclonevoicefree-com","tool_name":"AICloneVoiceFree.com","verdict":"struggled","score":null,"score_total":null,"note":"Multilingual cloning works but is weak overall: the report says the voice becomes robotic, loses most of the original speaker's characteristics, and is not suitable for production use.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-aiclonevoicefree-output-multilingual-445effae1957.mp3","evidence_url":"https://aidemos.com/evidence/ee0d73bf-a568-4eb9-ac27-6fc65c19c297"},{"id":"aec21359-86c6-4006-b97a-d2ff1109a590","tool":"elevenlabs","tool_name":"ElevenLabs","verdict":"mixed","score":null,"score_total":null,"note":"Can generate Hindi speech, but the output shifts tone, pacing, and pitch enough that speaker identity preservation is weak and the clone is not suitable when the original voice matters.","artifact_count":7,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-elevenlabs-hindi-script-input-8cffd5de94b9.txt","evidence_url":"https://aidemos.com/evidence/aec21359-86c6-4006-b97a-d2ff1109a590"},{"id":"abac4efe-9088-480c-a921-85ea8161bbc1","tool":"fish-audio","tool_name":"Fish Audio","verdict":"struggled","score":null,"score_total":null,"note":"Cross-language output quality is only partial: the Hindi script is supported and speaker identity stays decent, but pronunciation is frequently inaccurate, making the Hindi clone unreliable.","artifact_count":4,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-multilingual-input-output-1-680f6ea7a739.mp3","evidence_url":"https://aidemos.com/evidence/abac4efe-9088-480c-a921-85ea8161bbc1"},{"id":"7bc3435b-8588-41f2-b2ba-9181d4b56ed9","tool":"heygen","tool_name":"Heygen","verdict":"mixed","score":null,"score_total":null,"note":"The tool does support multilingual voice generation, but the Hindi result was not production-ready because pronunciation accuracy was the biggest limitation.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-heygen-output-multilingual-9b4cbddb338d.wav","evidence_url":"https://aidemos.com/evidence/7bc3435b-8588-41f2-b2ba-9181d4b56ed9"},{"id":"66ad9d87-caf1-443c-83d2-9cc73308c803","tool":"inworld","tool_name":"Inworld","verdict":"mixed","score":null,"score_total":null,"note":"The tool can generate cloned speech from a pasted Hindi script, but the overall cross-language result was only middling because the sample was not fully satisfying even though the language remained intelligible.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-inworld-hindi-script-input-d69c2e60241a.txt","evidence_url":"https://aidemos.com/evidence/66ad9d87-caf1-443c-83d2-9cc73308c803"},{"id":"4de0eeff-bab9-4358-bee1-6ab5055445fe","tool":"minimax","tool_name":"MiniMax","verdict":"mixed","score":null,"score_total":null,"note":"The Hindi generation was intelligible and usable, but overall multilingual cloning quality was only fair because the voice no longer sounded much like the original speaker; the report also says results may need further tuning per language.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-minimax-output-high-quality-64a65a87ed76.mp3","evidence_url":"https://aidemos.com/evidence/4de0eeff-bab9-4358-bee1-6ab5055445fe"},{"id":"e54d367c-68b2-4d64-92eb-8fac95766d00","tool":"uberduck","tool_name":"Uberduck","verdict":"failed","score":null,"score_total":null,"note":"The multilingual result was judged not worth sharing and not suitable for real content; it was the weakest multilingual output in the round.","artifact_count":3,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-uberduck-multilingual-output-4d84e3518dae.wav","evidence_url":"https://aidemos.com/evidence/e54d367c-68b2-4d64-92eb-8fac95766d00"},{"id":"88afdbbd-f958-4688-8753-67f55c828175","tool":"vocalai","tool_name":"VocalAI","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,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-vocalai-hindi-script-input-45f553f978ac.txt","evidence_url":"https://aidemos.com/evidence/88afdbbd-f958-4688-8753-67f55c828175"}],"other_criteria":[{"id":"af2f4939-7ea8-4319-a136-05bf0639742d","criterion":"long-form-consistency","criterion_name":"Long-Form Consistency","rank_role":"decisive","verdict":"struggled","score":null,"score_total":null,"note":"Gen+ is not consistent for long-form Hindi content, and voice characteristics become less stable as the passage gets longer.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/af2f4939-7ea8-4319-a136-05bf0639742d"},{"id":"2a8a152a-b374-43d8-a9ce-6509de4c10ea","criterion":"long-form-consistency","criterion_name":"Long-Form Consistency","rank_role":"decisive","verdict":"struggled","score":null,"score_total":null,"note":"HD is not reliable for long-form Hindi cloning, with consistency problems becoming more apparent in extended content.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/2a8a152a-b374-43d8-a9ce-6509de4c10ea"},{"id":"91031030-d92c-4b10-a7cf-ddbd870bff12","criterion":"long-form-consistency","criterion_name":"Long-Form Consistency","rank_role":"decisive","verdict":"failed","score":null,"score_total":null,"note":"Gen is not suitable for long-form Hindi cloning because voice consistency degrades during longer passages.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/91031030-d92c-4b10-a7cf-ddbd870bff12"},{"id":"98d2b6f3-b071-46c8-bbc4-796afbff21b0","criterion":"naturalness","criterion_name":"Naturalness & Human Quality","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Gen+ sounds human-like in Hindi and remains understandable and natural, even though the flow is slightly slower than the other outputs.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/98d2b6f3-b071-46c8-bbc4-796afbff21b0"},{"id":"4d966a9e-a945-465a-9eb8-7ec33933cd3b","criterion":"naturalness","criterion_name":"Naturalness & Human Quality","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"HD sounds human-like in Hindi with better flow and delivery than Gen+, plus a natural conversational rhythm.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/4d966a9e-a945-465a-9eb8-7ec33933cd3b"},{"id":"db6cb618-6b9b-4e1f-9831-51032e62ed7f","criterion":"naturalness","criterion_name":"Naturalness & Human Quality","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Gen delivers natural speech flow in Hindi, with smooth pacing and pleasant, human-like delivery.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/db6cb618-6b9b-4e1f-9831-51032e62ed7f"},{"id":"fca6a899-4704-412d-8b29-b73f132a07aa","criterion":"pronunciation-accuracy","criterion_name":"Pronunciation Accuracy","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Gen+ keeps Hindi pronunciation and language reproduction accurate despite weak identity matching.","artifact_count":3,"evidence_url":"https://aidemos.com/evidence/fca6a899-4704-412d-8b29-b73f132a07aa"},{"id":"eb4e5df5-dc49-4267-a7db-d348767f0d6f","criterion":"voice-match-accuracy","criterion_name":"Voice Match Accuracy","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"In Hindi, Gen retains about 50–60% of the original speaker identity, so it sounds recognizably close but not exact.","artifact_count":3,"evidence_url":"https://aidemos.com/evidence/eb4e5df5-dc49-4267-a7db-d348767f0d6f"},{"id":"e5d749b1-909d-4e87-a6b4-da6bd464217d","criterion":"voice-match-accuracy","criterion_name":"Voice Match Accuracy","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"In Hindi, HD preserves speaker identity inconsistently: some sections stay close to the original voice while others sound noticeably different.","artifact_count":3,"evidence_url":"https://aidemos.com/evidence/e5d749b1-909d-4e87-a6b4-da6bd464217d"},{"id":"e25a1802-093c-4026-b1bd-e61efdc6de60","criterion":"voice-match-accuracy","criterion_name":"Voice Match Accuracy","rank_role":"decisive","verdict":"failed","score":null,"score_total":null,"note":"In Hindi, Gen+ preserves only about 10–20% of the original speaker identity, with most of the voice sounding significantly different from the English reference.","artifact_count":3,"evidence_url":"https://aidemos.com/evidence/e25a1802-093c-4026-b1bd-e61efdc6de60"}],"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":"ee0d73bf-a568-4eb9-ac27-6fc65c19c297","tool":"aiclonevoicefree-com","tool_name":"AICloneVoiceFree.com","verdict":"struggled","score":null,"score_total":null,"note":"Multilingual cloning works but is weak overall: the report says the voice becomes robotic, loses most of the original speaker's characteristics, and is not suitable for production use."},{"id":"aec21359-86c6-4006-b97a-d2ff1109a590","tool":"elevenlabs","tool_name":"ElevenLabs","verdict":"mixed","score":null,"score_total":null,"note":"Can generate Hindi speech, but the output shifts tone, pacing, and pitch enough that speaker identity preservation is weak and the clone is not suitable when the original voice matters."},{"id":"abac4efe-9088-480c-a921-85ea8161bbc1","tool":"fish-audio","tool_name":"Fish Audio","verdict":"struggled","score":null,"score_total":null,"note":"Cross-language output quality is only partial: the Hindi script is supported and speaker identity stays decent, but pronunciation is frequently inaccurate, making the Hindi clone unreliable."},{"id":"7bc3435b-8588-41f2-b2ba-9181d4b56ed9","tool":"heygen","tool_name":"Heygen","verdict":"mixed","score":null,"score_total":null,"note":"The tool does support multilingual voice generation, but the Hindi result was not production-ready because pronunciation accuracy was the biggest limitation."},{"id":"66ad9d87-caf1-443c-83d2-9cc73308c803","tool":"inworld","tool_name":"Inworld","verdict":"mixed","score":null,"score_total":null,"note":"The tool can generate cloned speech from a pasted Hindi script, but the overall cross-language result was only middling because the sample was not fully satisfying even though the language remained intelligible."},{"id":"4de0eeff-bab9-4358-bee1-6ab5055445fe","tool":"minimax","tool_name":"MiniMax","verdict":"mixed","score":null,"score_total":null,"note":"The Hindi generation was intelligible and usable, but overall multilingual cloning quality was only fair because the voice no longer sounded much like the original speaker; the report also says results may need further tuning per language."},{"id":"e54d367c-68b2-4d64-92eb-8fac95766d00","tool":"uberduck","tool_name":"Uberduck","verdict":"failed","score":null,"score_total":null,"note":"The multilingual result was judged not worth sharing and not suitable for real content; it was the weakest multilingual output in the round."},{"id":"88afdbbd-f958-4688-8753-67f55c828175","tool":"vocalai","tool_name":"VocalAI","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."}]}