Probably the Cantonese AI voice cast most HK teachers & students use
* at least the students at one HK school told us so
From lesson prep to student projects — AI voices help you narrate scripts, dub materials, and build lesson audio in seconds.
Lesson prep shouldn't mean hours of recording
- 1Creating narration for teaching materials, but you're not a voice actor — recordings sound unnatural no matter how many takes
- 2Multilingual materials need native English or Mandarin narration, but hiring voice talent is expensive and slow
- 3Limited prep time — spending hours after school at home recording and editing audio
Let AI handle it
AI Text to Speech + Text to Video
Type your text and get both natural-sounding audio and a short video. Supports Cantonese, English, Mandarin, and Japanese with multiple voice options — create multi-character dialogue materials by yourself
AI Dubbing
Upload your video and automatically generate multilingual dubbed versions — no recording studio needed
AI Subtitles
Upload teaching videos and get automatic subtitles — near 99% accuracy for English, 95%+ for Cantonese
Multilingual Translation
One-click subtitle translation — translations don't consume your minutes quota
Use Cases
Teaching Material Narration
Add AI narration to any subject — biology specimen introductions, science experiments; use multiple voices for role-play dialogues in language classes
Multilingual Teaching Materials
Generate native-quality English and Mandarin narration in one click — save the time and cost of hiring voice talent
Multilingual Worksheets
Automatically create English and Mandarin versions of the same material for non-Chinese speaking students
Lecture Recording Subtitles
Recorded lectures get instant subtitles — students can review at their own pace
Time Savings
Record yourself
10 min of material → 1-2 hours of repeated recording
Hey Subtitle AI
10 min of material → type text, done in seconds
Save over 90% of prep time
For school bulk plans, email us at info@heysubtitle.com.