Royal Blue Audio is an independent film audio post-production studio based in Frankfurt am Main, Hessen, Germany and Lisbon, Portugal, specializing in sound design, dialogue editing and cinematic mixing for film and visual storytelling.
Meet the Sound Supervisor Behind Royal Blue Audio
I'm Kerthekan Balasubramaniam, sound designer, re-recording mixer and sound supervisor working between Frankfurt am Main, Hessen, Germany and Lisbon (Odivelas), Portugal.
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Through Royal Blue Audio, I provide full audio post-production for film and visual storytelling — from dialogue editing and sound design to cinematic stereo and 5.1 surround mixing.
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Depending on the project’s needs and scale, I collaborate with a trusted network of sound editors, Foley artists and partner studios.
Selected Film & Documentary Projects
Feature Film
A coming-of-age horror film exploring identity and displacement.
An immersive sound space mirrors the protagonist’s turbulent emotions — from horror to discomfort and a deep sense of not belonging.
Pilot Episode
The story of a boy who is forced to take part in a robbery with his family.
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It was a great opportunity to underline the tension, the emotions and the high level action sequences with a sound design.
Feature Documentary
Ray of Hope is a collection of inspired true stories about Eelam Tamil families searching for truth and justice.
It was an important task to create an immersive audio experience that supports the pain, grief, and traumatic events of the witnesses.
Audio Post-Production Services
Royal Blue Audio provides full-service audio post-production for film, documentary, animation and commercial productions.
Depending on the needs and budget of each project, a tailored team of trusted sound professionals, Foley artists and partner studios is assembled to deliver the highest quality audio.
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Services include dialogue editing and restoration, sound design, sound editing, Foley, stereo and 5.1 surround mixing, as well as voice and field recording.
Dialogue Editing & Restoration
Clean, natural dialogue is essential for every production.
We combine precise editing with AI-assisted restoration to ensure clarity and cinematic quality.
Sound Design & Sound Editing
From subtle atmospheres to cinematic impact, we craft detailed soundscapes using custom design and high-quality sound libraries to support your story.
Stereo & 5.1 Surround Mixing
We deliver cinematic stereo and 5.1 mixes with balanced dialogue, music and sound design for film, streaming and broadcast.
Foley
Footsteps, clothing and prop interactions are recreated to enhance realism, immersion and emotional impact.
Voice & Dialogue Recording
We organize recording sessions with professional studios and voice talents, tailored to your production needs.
Field & Sound
Recording
Custom recordings provide unique and authentic sound elements beyond standard libraries.
