The No Film School Podcast

The Horror in What You Don’t See—How Sound and Rhythm Build Suspense in 'Undertone'

The No Film School Podcast

Show Notes

In this episode, No Film School host GG Hawkins speaks with editor Sonny Atkins about shaping fear through sound, rhythm, and restraint in the horror feature Undertone. Atkins breaks down how the film’s audio-first concept influenced everything from the script to the cut, why long pauses and musical timing can heighten dread, and how a deeply personal story about grief and caregiving evolved through the editorial process. He also shares practical insights into working scrappy on a low-budget feature, using Premiere Pro’s Productions workflow, speech-to-text, temp sound design, and test screenings to refine both story and suspense.

In this episode, No Film School's GG Hawkins and guest Sonny Atkins discuss...

How Undertone began as an audio-driven concept and why that immediately stood out in the script

Why sound design became central to the edit, not just an atmospheric layer

The challenge of building horror around what the audience hears instead of what they see

How Ian Tuason’s personal experience with caregiving and grief shaped the emotional core of the film

Discovering story solutions in post, including the addition of a saved voicemail from the protagonist’s mother

Creating distinct sonic and visual worlds between the downstairs living space and the mother’s upstairs room

What it took to make a low-budget Canadian horror feature feel polished and cinematic

Why Atkins cut his first assembly extremely short, then built the film back up from its essential skeleton

How rhythm, blank space, and even drum rudiments became part of the team’s language for suspense

Using Premiere Pro’s Productions workflow to keep a feature edit organized and responsive

How speech-to-text helped manage ADR, offscreen dialogue, and hundreds of audio files

Why editors should mock up sound ideas early for test screenings instead of waiting for the final sound team

How Frame.io helped organize notes with timecode-based feedback

Why humor can be an important release valve inside horror

Career advice on longevity, mentorship, process, and closing the gap between taste and ability

Memorable Quotes:

“Because in this film, sound isn't just part of the atmosphere, it's the engine of the story.”

“A lot of it's about rhythm and where to leave blank space, and that kind of stuff.”

“The people who make it in this business are the people who don't quit. It's a longevity game.”

“If your focus is really just not about making the work really good and working a lot, you can sort of inoculate yourself against having your heart broken over and over again.”

Guests:

Sonny Atkins (IMDb)

Resources:

Undertone on IMDb

The Gap by Ira Glass

Taylor Mason on editing Him for No Film School

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