Typecast
“Built for Korean dubbing” — the casting director who picks the role first when you hand over a script
What is Typecast?
Typecast is an AI voice synthesis tool from Neosapience. Paste in a script, pick a voice, and Korean narration is ready right away. It is used for in-house training videos and announcement voiceovers.
- 1Korean pronunciation and intonation are among the most natural available
- 2Set emotion and speed separately for each line of the script
- 3The free plan is just a taste; commercial use starts with paid plans
What sets it apart
These are the differences we found by running the same material through several tools in our training sessions.
Reads Korean the way a native speaker would
When a foreign tool reads aloud, it garbles words and reliably trips on numbers and units. Typecast was built for Korean first, so it reads numbers, job titles, and in-house terms naturally. This difference shows most in training-video narration.
Give acting directions for each sentence
Instead of having the whole script read in one go, split it into lines and set emotion, speed, and pauses for each line. Keep the intro bright and slow down for the cautions. This kind of tuning noticeably reduces the robotic feel. Plans above Pro offer finer emotion controls.
Casting voices by role
Voices are organized as characters rather than “Male 1, Female 2,” so you use it with the instinct of choosing and placing roles such as host, instructor, or guide. Splitting a video so that voice A handles the intro and voice B the case studies keeps listeners focused much longer.
⚖️ The weaknesses are clear, too
The free plan has short length limits and requires attribution, so it is effectively unusable for internal distribution. Output in English, Japanese, and other languages is not as strong as in Korean, so for multilingual dubbing, another tool is a better fit.
💡 In plain EnglishIt collapses renting a recording booth and booking a voice actor into a single script window. You now sit in the director’s chair, choosing the voice.
In-house training videos and announcements usually stall at “the content is all done, but there is no voice.” When a Korean voice with natural pronunciation is available right away, you can produce training content in-house without outsourcing.
Same job, different approach
We need narration on 12 new-hire training videos by Friday
The old way
- Start by booking a voice actor and a studio slot
- Hand over the script and wait for the recording date
- A typo turns up after recording, so you request a re-recording
- Receive the revised file and run the edit again
With Typecast
- Paste in the script and pick an instructor voice
- Slow down and add pauses only for the caution sentences
- Fix only the typo line and download it again
- Add the audio file to your video editor and finish
Common uses
Narration for internal training videos
Split the script by slide and use a single voice throughout. Even if the person in charge changes, you can keep producing in the same voice, which suits a training series.
Store and factory announcements
Turn safety rules, business hours, and notices into audio files so no one has to read them aloud each time. When the wording changes, fix just that line and download the file again.
Product intro and promo videos
Add a voiceover to a short proposal intro video. The easiest approach is to make two versions of the same script in different voices and let the team pick.
Who it’s for
Best for
- ✓Anyone who often makes Korean-language training or promo videos
- ✓Anyone tired of hiring voice actors and scheduling re-recordings
- ✓Anyone building a content series in the same voice
Better served by other tools
- –Anyone whose main goal is multilingual dubbing in English, Chinese, and other languages
- –Anyone who wants to keep the original speaker’s voice from a source video
- –Anyone hoping to produce commercial voice content on the free plan alone
Can we use it at work?
The questions that adoption leads and security teams ask first.
Note: check the official terms for the custom-voice rights verification process and the scope of training-data use. Also recheck what commercial use each plan allows when you sign up.
10-minute quick start
- 1
Sign up at typecast.ai and open a new project on the Korean-language page.
- 2
Paste your script in line by line. Keep each line to about one breath.
- 3
Pick a voice, then adjust speed, pauses, and emotion only for the lines that sound off.
- 4
Listen to the whole thing, download it as an audio file, and add it to your video editing tool.
Copy-and-paste prompts
Replace only the [bracketed] parts, then paste it in.
Welcome to [Company name]. We’re glad to have you with us. / For the next [15] minutes, we’ll walk through how our company works. / Jot down any questions that come up during the video, and we’ll discuss them at the end. (Direction: set each line separately: first line bright and clear, second at normal speed, third a little slower)
Anyone not wearing a hard hat and protective gear may not enter the work area. / When a forklift passes, always stop and wait. / If you notice anything unusual, report it immediately to [ext. 000]. (Direction: low, clear tone throughout, with longer pauses between sentences)
[Product name] helps [target customer] cut down [problem] with one core feature: [core feature]. / No complicated setup or training. You can start using it this afternoon. / For details, follow the link below on your screen. (Direction: open with energy, close softly)
Hello, this is [Company name]. / Press 1 to reach an agent, or 2 to check an order. / Call volume is high right now and connection may be delayed. Please hold. (Direction: polite, steady pace, short pause before each number)
A (senior): [New hire name], I don’t see the conclusion up front in this report. / B (new hire): Oh, I organized it in the order of the source materials. / A (senior): Readers look at the conclusion first. Shall we put it up front in one line? (Direction: cast A as a calm, middle-aged voice and B as a bright, young voice)
Using it with other tools
Linking two or three tools changes your work more than any single tool does.
Script → voice → training video
Presentation to narrated video
Before you start
- Cloning a voice without the person’s consent is prohibited. Secretly training a model on an executive’s, colleague’s, or customer’s voice creates likeness and privacy-rights problems.
- Using free-plan output for internal distribution or promotion may violate the terms of use. Check first that your plan allows commercial use.
- Sino-Korean words, English abbreviations, and internal jargon are often misread. Respelling them phonetically fixes most cases.
- A line that runs too long leaves the voice no room to breathe. Break lines where a person would naturally pause when reading aloud.
Pricing: personal use and work use
Plans that individuals pay for are different from plans that organizations contract for by member.
For individual use
3,000 starter credits (about 5 min), trial voices, attribution required
30,000 credits/month (about 60 min), all voices, 44.1kHz, commercial use allowed
40,000 credits/month (about 80 min), speed control, 4K, 30GB storage
75,000 credits/month (about 150 min), emotion control, 2 voice cloning slots
Using it at work
200,000 credits per month (about 410 minutes), 10 cloning slots, 100 GB of storage
Dedicated manager consultation, plus custom voice and real-time API access
Checked 21 Sep 2026 · Won amounts as shown on Typecast’s official Korean pricing page. Annual prices are copied as the page states them. Prices can change without notice, so check the official page before you pay. Typecast official pricing ↗ · Typecast enterprise info ↗
Typecast downsides
We don’t just list the positives. Here is what fell short when we used it.
- The best features are on higher tiers
Features you actually use, like speed control and emotion, are locked behind higher plans. You start on the basic plan and end up upgrading just for one effect you want.
- Credits are confusing to calculate
Usage is shown in credits rather than minutes, so it is hard to tell at a glance how many more minutes you can make this month. Before a long script, you end up calculating what is left.
- Choosing a voice takes time
Having many voices is great, but auditioning the same sentence in several of them takes a while. To keep the tone consistent across courses, you end up writing down which voice you chose.
Tools to compare
CLOVA DubbingNaver voice dubbing→
ElevenLabsLeading English diction→
VrewAuto-captions from speech→
Perso AIAuto-translation dubbing→FAQ
Last updated 22 Sep 2026 · The ratings on this page come from John Kim, CEO of Nanum Consulting, who has used these tools firsthand in training and real work.
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