I'm an audio post-production specialist with extensive experience in Netflix post services, focusing on delivering high-quality sound for film and series. Operating my boutique studio, EarlyNight Studios, I create detailed and story-driven sound landscapes, always eager to collaborate with filmmakers and creators who share my passion for cinema.

DONGHYEON KOO

I'm an audio post-production specialist with extensive experience in Netflix post services, focusing on delivering high-quality sound for film and series. Operating my boutique studio, EarlyNight Studios, I create detailed and story-driven sound landscapes, always eager to collaborate with filmmakers and creators who share my passion for cinema.

Available to hire

I’m an audio post-production specialist with extensive experience in Netflix post services, focusing on delivering high-quality sound for film and series. Operating my boutique studio, EarlyNight Studios, I create detailed and story-driven sound landscapes, always eager to collaborate with filmmakers and creators who share my passion for cinema.

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Language

Korean
Fluent
English
Advanced

Work Experience

Freelance Sound Designer & Audio Post Specialist at Earlynight Studios
December 1, 2025 - Present
Independent sound designer building a boutique one-person audio post studio focused on sound design, sound editing, and dialogue restoration.
Sound Services Operator at Netflix
December 1, 2023 - December 1, 2025
Oversaw QC reviews and executed non-creative technical fixes to ensure all audio meets the highest delivery standards.
Sound Designer at Moby Sound
October 1, 2022 - December 1, 2024
Designed and edited sound effects for After School and Netflix's Gyeongseong Creature. Worked on multiple limited series, TV shows, and OTT original projects, delivering full sound editing, sound design, and technical polishing.
Sound Editor at Livetone
October 1, 2017 - December 1, 2021
Focused mainly on sound effects and contributed to Foley editing for films, providing technical support. Credits: Parasite, Squidgame s1

Education

Bachelor of Science at Full Sail University
January 1, 2013 - January 1, 2015
Certification at SAE Institute (USA)
January 1, 2013 - January 1, 2013
Certification at Rennert Language School
January 1, 2013 - January 1, 2013

Qualifications

Wwise 101
January 11, 2030 - July 30, 2026
Pro Tools Operator Post
January 11, 2030 - July 30, 2026
Dante Certification Level 1
January 11, 2030 - July 30, 2026
Dante Certification Level 2
January 11, 2030 - July 30, 2026
Pro Tools User
January 11, 2030 - July 30, 2026

Industry Experience

Media & Entertainment, Professional Services
    Lies of P Sound Re-design

    A complete sound redesign of selected gameplay and cinematic sequences from Lies of P. This project explores a darker and more cinematic sonic direction through custom sound effects, layered textures, and detailed editorial work. Every sound was recreated from scratch to enhance impact, clarity, and immersion while supporting the emotional tone and gameplay experience.

    Battlefield – Sound Redesign

    A complete sound redesign showcasing cinematic weapon effects, enhanced spatial awareness, and immersive battlefield atmospheres.

    All sound elements were recreated from scratch to demonstrate creative design and modern mixing techniques.

    Gyeongseong Creature – Sound design

    Featuring original creature sounds and action-driven effects designed for Gyeongseong Creature.

    Covers all monster vocals, movement textures, impacts, and combat SFX integral to the show’s tension and pacing.

    (Non-FX elements such as dialogue and music were produced by other teams.)