Upload any Vietnamese recording and get a precise transcript with every diacritic in place. Vocova's AI distinguishes all six tones and handles Northern, Central, and Southern pronunciation patterns.
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Vietnamese is the most diacritic-dense Latin-script language in widespread use. Six tones combine with vowel quality marks to produce stacked diacritics like ỗ, ắ, and ệ — and every mark changes meaning. The six words ma, mà, má, mả, mã, mạ each mean something different (ghost, but, cheek, tomb, horse, rice seedling). Regional pronunciation adds another layer: Hanoi distinguishes /z/ from /v/ while Saigon merges them, and Southern speakers often merge final consonants that are distinct in the North. Vocova's AI navigates all of this, producing text where every accent mark and every đ vs d distinction is correct.
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The AI processes your audio, identifies all six tones, and outputs Vietnamese text with complete diacritical marks — including stacked tone and vowel marks on the same character.
Review your Vietnamese transcript, make any corrections, and export in the format you need. Diacritics are preserved across all formats.
Vietnamese diacritics encode both tone and vowel quality, and they stack — ỗ carries both a horn (ơ) and a tilde tone mark. Missing or wrong marks change meaning entirely: bàn (table) vs bán (to sell) vs bạn (friend). The AI places every mark correctly across all six tones.
Hanoi and Saigon Vietnamese have significant phonemic differences. Northern speakers distinguish /z/ from /v/ and /ʂ/ from /s/, while Southern speakers often merge these. Final -n/-ng and -t/-c distinctions also collapse in the South. The AI produces correct spelling regardless of which regional pronunciation is in the recording.
Vietnamese has two d-letters: Đ/đ (pronounced /ɗ/ in the North, /j/ in the South) and D/d (pronounced /z/ in the North, /j/ in the South). Confusing them changes words — đi (to go) vs di (to move/shift). The AI maintains this critical orthographic distinction.
Multiple speakers are automatically detected and labeled, making conversations, interviews, and multi-host podcasts easy to follow even when speakers have different regional accents.
Vietnamese is monosyllabic but forms compound words where spacing can be ambiguous — "bàn tay" (hand) is one concept written as two syllables. The AI follows standard Vietnamese orthographic conventions for compound spacing.
Convert Vietnamese meetings, stakeholder calls, and presentations into documented records with every diacritic intact. Works whether your team is based in Hanoi, Ho Chi Minh City, or Da Nang.
Generate subtitle files from Vietnamese recordings for YouTube, TikTok, and streaming platforms. Full diacritics in SRT/VTT output mean your subtitles render correctly on every device.
Turn Vietnamese news broadcasts, podcasts, and interviews into searchable text for media monitoring, academic analysis, and content strategy in Vietnam's fast-growing digital market.
Transcribe Vietnamese content for overseas communities who need written text for accessibility, family archives, and cultural preservation. Capture spoken heritage in accurate written form.
Transcribe Vietnamese meetings, training sessions, and customer interactions into written records. Capture accurate diacritics so documentation is unambiguous and professional.
Generate subtitles and written content from Vietnamese-language videos and podcasts. Reach wider audiences with properly diacriticized text that reads naturally.
Study how tones, diacritics, and regional pronunciation map to written Vietnamese. Build reading fluency by comparing spoken audio to its fully marked written form.
Transcribe Vietnamese sources, interviews, and press events into text for reporting, translation, and fact-checking. Correct diacritics eliminate ambiguity in names and places.
Diacritic accuracy is critical in Vietnamese — ma (ghost), mà (but), má (cheek), mả (tomb), mã (horse), and mạ (rice seedling) are six different words. The AI achieves high accuracy on tone marks and vowel quality marks, including stacked diacritics like ỗ, ắ, and ệ. Accuracy is strongest with clear audio and standard pronunciation.
The AI handles both major dialect groups without requiring you to specify one. Regardless of whether the speaker uses Hanoi pronunciation (distinguishing /z/ and /v/) or Saigon pronunciation (merging them), the output follows standard Vietnamese orthography. The spelling is the same — only pronunciation differs.
Đ/đ and D/d are separate letters in Vietnamese with different pronunciations and meanings. The AI maintains this distinction — producing đi (to go), đường (road, sugar), and đã (already) with the correct stroke-through character, not substituting plain d.
Vietnamese had a spelling reform affecting where tone marks sit on diphthongs — "hoá" (old style, mark on á) vs "hóa" (new style, mark on ó). The AI generally follows the newer convention endorsed by Vietnamese government publications, placing tone marks on the main vowel of diphthongs.
Sino-Vietnamese words (Hán Việt) are Chinese-origin vocabulary that form a large part of formal and academic Vietnamese — words like quốc gia (nation), đại học (university), and kinh tế (economy). The AI transcribes these in standard Vietnamese orthography with correct diacritics, like any other Vietnamese word.
Yes. Once your Vietnamese transcript is generated with full diacritics, you can translate it into 140+ languages using Vocova's built-in translation feature.
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