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Mixing for Two Markets: What Changes Between an English and Korean Dub

You can hand two mix engineers the same raw dialogue stems, the same music bed, and the same SFX library - and if one is finishing an English mix and the other a Korean mix, they will not make the same decisions. Not because one language is "harder" to mix than the other, but because English and Korean sit differently in a mix, and a mix that sounds balanced in one can sound wrong in the other.


At TooSix, most of our projects don't end with a single mix. They end with two - sometimes more - and the second mix is never just a copy-paste of the first with new vocals dropped in. Here's what actually changes.


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1. Syllable density changes the pocket dialogue needs


Korean and English don't compress the same information into the same number of syllables. A line that reads naturally in English at a certain pace often needs more syllables to say the same thing in Korean - or fewer, depending on the sentence structure. That changes how much space dialogue needs to breathe against music and SFX.


In practice: a music sting or SFX hit timed to land in a natural gap in the English read can end up landing mid-word in the Korean read, because the gap moved. We don't just re-time the dialogue to the picture - we often have to re-time the music and effects around the new dialogue rhythm. This is one of the most underestimated line items in a "simple" re-language pass.

2. Sibilance and consonant clusters sit differently on a mic


English leans on consonant clusters - "strengths," "twelfths" - that create sharp transient energy, especially sibilant s and t sounds. De-essing thresholds that work for an English VO pass are often too aggressive or too gentle for Korean, which has a different consonant profile and a different relationship between vowels and consonants overall.


We don't reuse de-esser settings across languages. Every Korean pass gets its own pass through the sibilance chain, listened to fresh - not inherited from the English session.

3. Pitch and pacing shift where dialogue sits in the frequency spectrum


Vocal delivery in Korean VO - particularly for animation, gaming, and commercial work - tends to carry a different average pitch center and rhythm than the equivalent English performance, partly due to language structure and partly due to differing performance conventions in each market. That shifts where the dialogue naturally sits in the frequency spectrum relative to music and low-end SFX.


A music bed EQ'd to duck out of the way of an English male VO in the 1-3kHz presence range may need a different notch, or a different sidechain threshold, to stay out of the way of a Korean female VO sitting slightly higher. We treat the EQ and ducking chain as language-specific, not just voice-specific.

4. Loudness and dynamic range expectations differ by platform and market


This is less about the language itself and more about where each version is going to live. Korean-market platforms and English-market platforms don't always converge on identical loudness standards, and audience expectations around dynamic range in commercial and game VO can differ by region. We check target LUFS and true peak for each delivery market separately rather than assuming one loudness spec covers both.


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5. Emotional emphasis lands on different words - so the mix has to follow


This is the one that surprises clients most. In English, emphasis often falls on a key verb or adjective near the middle or end of a sentence. In Korean, sentence structure means emphasis can land in a very different place - sometimes near the start, sometimes on a particle or ending that doesn't exist in English at all. If a mix is built around riding the fader up on the emotional peak of a line, that peak isn't always in the same place across both versions.


We re-ride the dialogue automation for each language rather than mirroring the English automation curve onto the Korean track. It takes longer. It's also the difference between a Korean mix that sounds locally directed versus one that sounds like a re-skin of an English mix.

The Takeaway


A dub isn't a swap - it's a second production. Treating an English and Korean mix as two passes of the same fader moves is the fastest way to end up with a Korean version that technically has all the right words in it and still feels a half-step off to a native ear. The fix isn't more plugins. It's budgeting the time to actually remix, not just re-voice.


Written from inside TooSix's own multilingual production pipeline, where every project we take on ships in more than one language - and every language gets its own mix, not a copy of someone else's.


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