Vietnamese live captions and productivity tool for tv & media
For deaf and hard of hearing people.
coming soon
Download for free
Download on theApp Store
Everything you need to follow Vietnamese tv & media
Four tools built for deaf and hard of hearing Vietnamese speakers.
Captions anything playing in real time
- Point the phone toward the speaker and read along
- Works on any TV, laptop, tablet, or phone
- No subtitle file required — captions from the audio directly
- Faster than pre-generated subtitles for live content
Watch content in any language
- Foreign films, foreign news, foreign YouTube — all translated in real time
- They speak their language — you read in yours
- 60+ languages, no setup
- Works as content plays
Full transcript of any recording
- Upload a recording and get the complete written transcript
- For lectures, podcasts, talks, or any long-form content
- Searchable and copyable
- Any language, any format
Key points from any content
- Main ideas and takeaways from any transcript
- Useful for news, documentaries, and long-form content
- Organised into clear sections
- Works on any saved recording
Download for free
Download on theApp StoreEvery situation covered
Designed for the real moments that matter — not just quiet controlled environments.
VTV runs live news and sport that pre-generated captions lag behind. Point Captio AI at your TV and read the Vietnamese as it is spoken, not several seconds behind the anchor.
FPT Play, Netflix, and other platforms vary in subtitle quality and availability. Captio AI works as a consistent fallback for any Vietnamese show or film that ships with wrong, delayed, or missing captions.
YouTube auto-captions for Vietnamese are often inaccurate and most social video has none. Point Captio AI at your phone and read accurate Vietnamese captions for any clip.
A foreign film, a foreign documentary voiced over in Vietnamese, a non-Vietnamese channel. Live Translator captions and translates in real time so anything becomes watchable as it plays.
Not every cinema showing is captioned. Hold Captio AI near the audio and read real-time Vietnamese captions of the dialogue discreetly from your seat.
Most Vietnamese podcasts have no transcript. Hold Captio AI near the audio or upload a recording, and read the whole episode in writing.
Most accurate and fastest models
word accuracy
independent benchmark, 2025
real-time captions
first word appears as you speak
Download for free
Download on theApp Store
Built for the content that subtitles fail
Captions any content in real time
Point the phone toward any speaker — TV, laptop, tablet, cinema screen. Captio AI captions whatever is playing, regardless of whether that platform provides subtitles.
Faster than built-in subtitles for live content
Pre-generated subtitles lag behind live TV by several seconds. Captio AI captions in real time — so you read what is being said as it is being said.
Works on any screen or device
No integration required. Point the phone toward the audio source — the same approach works for a large TV, a laptop screen, a cinema, or a phone held at arm's length.
Any language, translated in real time
For foreign-language content, switch to Live Translator. It translates as content plays — so a French film, a German documentary, or a Japanese series all become watchable.
No subtitle file needed
Captio AI captions from the audio directly. No subtitle file, no platform support, no creator requirement. If audio plays, Captio AI can caption it.
More accurate than auto-generated captions
The industry average for AI-generated subtitles is a 10–15% word error rate — roughly 1 in 10 words wrong (3Play Media). Captio AI is built for accuracy in real-world audio conditions.
Why Vietnamese is hard to understand
Six tones
- Meaning carried by pitch, not by the mouth
- Northern Vietnamese has six tones, and the same syllable in different tones is a different word. Tone lives entirely in pitch, with no lip cue, so a deaf viewer watching a drama or a news anchor sees the mouth but gets none of the tonal information that fixes the meaning.
Monosyllabic density
- Every syllable is a word, so every miss counts
- Vietnamese is largely monosyllabic — each syllable is a meaningful unit — with little redundancy to fall back on. On screen a deaf viewer who misses one syllable loses a whole piece of the meaning, with no way to reconstruct it.
North–South divide
- Hanoi and Ho Chi Minh City sound different
- Southern Vietnamese merges tones that Northern keeps separate and reduces several consonants and vowels, so the same word looks and sounds different across regions. A drama with speakers from both presents a deaf viewer with two systems to track.
Unreleased final consonants
- Word endings with almost no visible movement
- Vietnamese final stops — p, t, k — are unreleased, formed without the closing burst that would give a lip-reader a cue. These finals distinguish words, so on screen a deaf viewer cannot see the endings that separate one term from another.
Dubbing and voiceover
- Foreign content voiced over, lips never match
- Foreign film and TV are widely dubbed or voiced over into Vietnamese, so the words a viewer hears do not match the lips on screen. For a deaf viewer relying on lip-reading, this content is impossible to follow from the face alone.
Download for free
Download on theApp StoreVietnamese screens caption little native content for deaf viewers
Vietnam records around 1.3 million people with significant hearing impairment, with broader estimates reaching 2.5 million, and roughly 1,200 to 1,400 children are born with severe congenital hearing loss each year. Dedicated subtitling for deaf and hard of hearing viewers is only beginning to emerge as a media standard, and the community has limited access to native Vietnamese content without closed captions.
Most of what a deaf Vietnamese viewer watches goes uncaptioned in an accessible form. Live news carries no reliable real-time captions, streaming subtitle quality varies, YouTube and short-video content is inconsistently captioned, and the large volume of foreign film and TV voiced over into Vietnamese leaves a deaf lip-reader with a mouth that never matches the soundtrack. The six-tone system and the north–south differences are exactly what make lip-reading Vietnamese content so difficult in the first place.
Captio AI does not depend on the broadcaster or the platform. Point the phone at any screen — a live VTV bulletin, an FPT Play drama, a voiced-over foreign film — and read Vietnamese captions in real time from the audio, whether or not that content was ever captioned.
Download for free
Download on theApp StoreWhat you hear stays with you.
Gone the moment it ends
Captio AI processes your audio in real time and discards it immediately. Nothing is recorded. Nothing is kept.
Not a product
Your conversations are not something Captio AI sells, shares, or monetizes — to anyone, for any reason.
Not used to train anything
What you say in a doctor's appointment or a job interview never ends up in a training dataset. Not ours. Not anyone else's.
Private by default
Download on theApp StoreCaptio AI supports 60+ languages
People love Captio AI
"Vietnamese content rarely has captions for us, and the six tones give me nothing on the lips. Captio AI captions the actual dialogue from the audio, in real time. I follow the whole drama now."
"Foreign films get a Vietnamese voiceover, so the lips never match the sound — impossible for me. Captio AI captions the Vietnamese soundtrack. For the first time I can watch a dubbed film and follow it."
"VTV live news has no captions that match the picture. Captio AI captions it in real time from the audio. I read the news as it is read, not a summary later."
"Vietnamese YouTube auto-captions are unreliable and Hanoi and Ho Chi Minh City speech sound different anyway. Captio AI captions any clip accurately. It covers the content the platforms never do."
"Vietnamese content rarely has captions for us, and the six tones give me nothing on the lips. Captio AI captions the actual dialogue from the audio, in real time. I follow the whole drama now."
"Foreign films get a Vietnamese voiceover, so the lips never match the sound — impossible for me. Captio AI captions the Vietnamese soundtrack. For the first time I can watch a dubbed film and follow it."
"VTV live news has no captions that match the picture. Captio AI captions it in real time from the audio. I read the news as it is read, not a summary later."
"Vietnamese YouTube auto-captions are unreliable and Hanoi and Ho Chi Minh City speech sound different anyway. Captio AI captions any clip accurately. It covers the content the platforms never do."
Download for free
Download on theApp StoreFrequently asked questions
Watch anything in Vietnamese.
Captio AI is free to start
coming soon
Download for free
Download on theApp Store