DONGHYEON KOO

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.

About

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.

  • Joined July 2026

Languages

  • KoreanFluent
  • EnglishAdvanced

Industry experience

  • Media & Entertainment
  • Professional Services

Projects · 3

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.

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.

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.)

Work experience· 4 roles

Freelance Sound Designer & Audio Post Specialist · Earlynight StudiosDec 2025 – Present · 1 yr

Independent sound designer building a boutique one-person audio post studio focused on sound design, sound editing, and dialogue restoration.

Sound Services Operator · NetflixDec 2023 – Dec 2025 · 2 yrs 1 mo

Oversaw QC reviews and executed non-creative technical fixes to ensure all audio meets the highest delivery standards.

Sound Designer · Moby SoundOct 2022 – Dec 2024 · 2 yrs 3 mos

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 · LivetoneOct 2017 – Dec 2021 · 4 yrs 3 mos

Education

Bachelor of Science · Full Sail University2013 – 2015
Certification · SAE Institute (USA)2013
Certification · Rennert Language School2013

Certifications and awards· 5

Wwise 1012030 – 2026
Pro Tools Operator Post2030 – 2026
Dante Certification Level 12030 – 2026
Dante Certification Level 22030 – 2026

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