Sound Design
& Editorial
Sound editing is at the heart of the work: precise effects, ambience and Foley editorial, shaped around the scene and its world.
Independent Sound Studio · Seoul
Sound editing & design for film and series.
An independent sound studio led by sound editor and designer DongHyeon Koo.
Our approach
Precise sound editing, with a focus on the work itself. Experience in creative sound production and global delivery informs each stage, from the detail of a scene to the final deliverable.
Selected personal credits
Selected credits.
Selected personal credits of DongHyeon Koo, completed while working at the companies shown—not commissions undertaken by Earlynight Sound.
What we do
From editorial to delivery.
For filmmakers and sound post-production partners.
The work you need, at the scope you need.
Sound Design
M&E
Music & Effects tracks for international versions and dubbing, with missing effects and ambience completed for a continuous soundtrack.
QC & Delivery
Technical review and fixes informed by global delivery experience, through to Dolby Atmos deliverables.
Re-recording
Mixing
Dialogue, music and effects brought into balance, with the mix scope defined around the project’s format and needs.
Foley Editing · Dialogue Editing & Cleanup
Have a project in mind?
Project enquiries