Upload Korean audio or video and get a transcript with correct Hangul spacing, proper speech level verb endings, and accurate spelling even when pronunciation differs from written form — like 독립 spoken as [dongnip].
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Korean transcription isn't just speech-to-Hangul — it requires solving problems unique to the language. Spacing rules (띄어쓰기) are so complex that even native Korean speakers debate them. Korean has 7 distinct speech levels that change verb endings entirely (합니다 vs 해요 vs 해 vs 하게 vs 한다). Sound change rules mean what you hear often doesn't match what you write: 독립 is pronounced [dongnip], 같이 sounds like [gachi], and 신라 becomes [shilla]. Vocova's AI reverse-engineers pronunciation back to correct spelling and applies proper spacing throughout.
Drag and drop or select a file containing Korean speech. Handles everything from K-drama episodes to corporate meetings to podcast recordings.
The engine converts spoken Korean to correctly written Hangul, applying 띄어쓰기 spacing rules, preserving the speech level each speaker uses, and mapping pronounced forms back to their standard spelling.
Review the Hangul transcript, edit inline if needed, and export for subtitles, documentation, or translation.
Korean word spacing is notoriously difficult — even the National Institute of Korean Language acknowledges that native speakers frequently get it wrong. Should it be 할 수 있다 or 할수있다? 대한 민국 or 대한민국? The AI applies standard Korean orthography rules for particle attachment, compound words, and dependent nouns, producing text that would pass a Korean proofreader's review.
Korean has 7 speech levels from the most deferential (하십시오체) to the most casual (해체), each with completely different verb endings. The AI detects which level each speaker is using and transcribes the actual endings spoken — 하십니까, 해요, 해, 하게, 한다 — so the social dynamics of the conversation are preserved in text.
Korean pronunciation rules systematically change how words sound: nasalization turns 독립 into [dongnip], palatalization makes 같이 sound like [gachi], and consonant assimilation shifts 신라 to [shilla]. The AI recognizes these phonological processes and writes the correct underlying spelling, not what it literally hears.
Korean uses two parallel number systems: native Korean (하나, 둘, 셋) for counting and ages, and Sino-Korean (일, 이, 삼) for dates, phone numbers, and prices. The AI outputs the system actually used by the speaker — 세 시 삼십 분 (3:30), not a mismatched hybrid.
Korean stacks suffixes onto verb stems: 먹었었더라면 (had eaten + retrospective + if) is a single word. The AI parses these complex morphological chains correctly and applies proper spacing between the verb complex and surrounding particles and nouns.
Transcribe the Korean audio first, then translate the transcript into English or 140+ other languages in one click. The Korean source and the English translation stay aligned segment by segment — including where speech-level nuance (존댓말 vs 반말) has no direct English equivalent.
Get transcripts of K-drama dialogue that capture the speech level shifts between characters — the moment a character switches from 존댓말 to 반말 is narratively significant, and the transcript preserves it.
Korean business settings use 하십시오체 and 해요체 strategically. The transcript preserves which register each participant used, important for meeting minutes where the level of formality carries institutional meaning.
Language learners see correctly spaced Hangul with proper verb endings and spelling. This is especially valuable because spoken Korean sounds very different from how it's written due to systematic sound changes.
Export as SRT or VTT with timing aligned to Korean speech rhythm. The engine understands that Korean's agglutinative structure means single words can be very long, and adjusts subtitle segmentation accordingly.
Study Korean with transcripts that show proper 띄어쓰기 and verb conjugations. See how the pronounced forms you hear map to the standard written forms you need to learn.
Create accurate transcripts of K-drama, K-pop interviews, and variety shows where speech level shifts between 존댓말 and 반말 are preserved for nuanced fan translations.
Capture Korean meetings with formality levels intact. The honorific distinctions that Korean business culture relies on are preserved in the written record.
Start with a Korean transcript where spacing is correct, speech levels are preserved, and pronunciation has already been mapped to standard spelling — reducing the cleanup that slows Korean translation workflows.
Vocova applies the spacing rules defined by Korean standard orthography. This includes tricky cases like dependent nouns (할 수 있다, not 할수있다), compound words, and particle attachment. The spacing is consistently more accurate than what most Korean speakers produce in casual writing, though edge cases in highly technical or archaic text may occasionally need adjustment.
Yes. The AI tracks each speaker's speech level independently. If Speaker A uses 해요체 (polite) and Speaker B responds in 해체 (casual), both are transcribed as spoken. It also captures mid-conversation register shifts, which are common when Korean speakers adjust formality based on changing social dynamics.
The AI outputs the number system the speaker actually used. Native Korean numbers (하나, 둘, 셋) appear for counting and ages, Sino-Korean numbers (일, 이, 삼) for dates, money, and phone numbers. When a speaker says 세 시 삼십 분, the transcript reflects that mixed usage correctly rather than normalizing to a single system.
Yes. Korean has systematic sound change rules: nasalization (독립→[dongnip]), palatalization (같이→[gachi]), aspiration (축하→[chuka]), and consonant assimilation (신라→[shilla]). The AI applies these rules in reverse to produce the correct written spelling from the pronounced form. This is one of the hardest aspects of Korean transcription because the gap between spoken and written forms is large.
The AI handles standard Seoul Korean with the highest accuracy and recognizes common features of major dialects — Gyeongsang (경상도) intonation patterns, Jeolla (전라도) vocabulary, and Chungcheong (충청도) speech rhythm. Heavy dialect is transcribed as closely as possible, though speakers with very strong 사투리 may need occasional edits.
Yes. Spoken Korean frequently contracts: 하는 것→하는 거, 나는→난, 무엇을→뭘. The AI recognizes these contractions and writes them in their standard contracted forms as a Korean speaker would naturally type them, rather than expanding everything to full formal spelling.
Korean speech, especially in business and tech contexts, frequently incorporates English words (미팅, 프로젝트) and code-switches to English phrases. The AI transcribes Korean-adopted English in Hangul when that's the standard convention and preserves English segments when the speaker switches to English entirely.
Yes. After transcription, use the built-in translation to convert the transcript into English or 140+ other languages. The Korean source stays aligned with the English translation segment by segment — useful for K-content subtitles, interview translations, and sharing Korean meetings with non-Korean speakers.
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