The New Rules of Spatial Cinema: Why Sound is the Director’s New Lens

If you aren't thinking about spatial audio as early as your storyboard, you’re leaving half the story on the table. That's a sentiment the "Audible Dimensions" panel made perfectly clear at this year's SXSW.

As filmmakers, we often treat audio as the "last mile" of post-production, but in the world of XR (Extended Reality), VR, and even "spatial cinema" on devices like the Apple Vision Pro or Meta Quest 3, sound isn't just a supplement—it’s an element that really sells immersion.

The panel featured experts who are currently building the tools we use:

• Eric Cheng: Director of Immersive Media at Meta, a veteran who has been bridging the gap between hardware and creators for a decade.
• David Gould: A 14-year veteran at Dolby who helped transition Dolby Atmos from a research project to the industry standard for cinema.
• Victor Agulhon: Co-founder of Targo, an Emmy-nominated immersive documentary studio that is actually in the trenches making high-level content on these new platforms.

Here are the takeaways for creators looking to master the "Audible Dimension."

1. Audio is Your New "Frame"

In traditional filmmaking, we use the frame to tell the audience where to look. In immersive media, there is no frame—the viewer is the camera. Spatial audio becomes the tool that guides their eyes.

"Using audio to direct people's view to follow the story is really powerful and interesting... for storytellers who have spent years crafting a frame to take your eyes to certain places within a frame, when video and things are happening around you, that's much harder." — David Gould

The Lesson: Use "sonic breadcrumbs." If a character enters from behind the viewer, a spatialized footstep or a voice over the shoulder isn't just a cool effect—it’s a narrative necessity to ensure the viewer doesn't miss the action.

2. Think About Sound During Production, Not Just Post

One of the biggest hurdles for indie creators is the "fix it in post" mentality. In spatial audio, capturing the environment's geometry is vital. Eric Cheng highlighted filmmaker John Griffith, who miced the actual movement of paragliding wings to anchor the viewer in the sky.

"I am an advocate of thinking about audio as early as possible, which I know is a pain point for anyone in the audio space... if you have beautiful visuals and the audio doesn't match, it just takes you out of that moment." — Eric Cheng

The Lesson: If you’re shooting 360 or 180-degree video, consider using an Ambisonic microphone (like those from Zoom or Sennheiser) on set. Capturing the "sound field" rather than just a stereo track gives you the raw data you need to spatialize the world later.

3. The Power of "Intimacy" vs. "Space"

Spatial audio isn't just about big explosions or planes flying overhead. It’s about the psychological connection between the subject and the viewer. Victor Agulhon discussed using sound to make a documentary subject feel like they are sitting right next to you.

"Spatial audio plays a huge role into giving you the sensation that this person is speaking directly to you, that you are engaging, that you're having a privileged moment... how can we recreate an experience that feels as natural as the real world?" — Victor Agulhon

The Lesson: For "talking head" moments in VR or AR, ensure the dialogue is "head-locked" (stays with the viewer) or "world-locked" (stays with the character), depending on the vibe. World-locked audio creates a sense of physical presence, making the interview feel like a real-life encounter.

Dolby Atmos Credit: Dolby

4. Dealing with "The Z-Axis" and the "Floor"

A common mistake in early spatial mixes was the "floating" feeling—sound existed around the viewer but never below them. New tools are finally allowing us to mix for the "negative Z" (the space below your feet), which is essential for grounding a viewer on a floor.

"The precision is so critical... how do you integrate Ambisonics, higher-order Ambisonics into a production, but how do you get the best of that with the best of what other systems, object-based systems can offer?" — David Gould

The Lesson: Dolby recently released a beta for their Immersive Media Creator tools. These allow you to pan audio elements directly over 360-degree video and account for the space below the viewer. If you're serious about the "pro" look (and sound), look into object-based mixing rather than just channel-based mixing.

5. Navigating the "Fragmentation" Wall

We know the struggle: you finish a mix for the Quest, but it sounds completely different on a Vision Pro or a web browser. The industry is currently in a "Wild West" phase of distribution standards.

"The reason why it's also changing so much is because it keeps on improving all the time... it requires you to remain flexible when you're doing these kind of productions. Because in the end, every time it's getting better and better." — Victor Agulhon

The Lesson: Don't wait for a "universal file format" that works everywhere perfectly—it doesn't exist yet. Focus on creating a high-quality master mix (like a 3rd order Ambisonic or a Dolby Atmos master). It’s easier to down-mix a high-quality spatial file for a specific platform than it is to up-res a stereo track later.

6. The "Why" is More Important Than the "How"

Just because you can make a sound bounce off the walls doesn't mean you should. The panel warned against "gimmicky" audio that distracts from the heart of the film.

"I think one of the things I always tell people to ask is why? Why spatial audio?... the more and more you use it as just a gimmicky kind of effect, it loses its power." — Monica Bolles

The Lesson: Ask yourself if the spatialization serves the story. Is the sound revealing something the viewer can't see? Is it building an emotional atmosphere? If it’s just there to show off the tech, your audience will feel it.

Final Thoughts: The Future is "Audio First"

As we move toward AR glasses that are worn all day, audio might actually become more important than video. We are moving toward a world where the "soundtrack" of our lives is augmented. How an audio-first concept can influence everything from the script to the final cut

For us filmmakers, this means a shift in perspective. We aren't just "capturing reality" anymore; we are "architecting environments." Whether you're working on a $500 budget or a $500,000 one, the tools to create professional-grade spatial sound are becoming more accessible.

As the panel concluded, the best audio is the kind that "vanishes"—it’s so perfectly aligned with the visuals that the viewer forgets they’re wearing a headset and simply believes they are there.

Be sure to check out the rest of our SXSW 2026 coverage!