Spatial audio begins with a simple idea: sound is shaped by the space it exists in. But real-world listening is far more complex. Sound travels, reflects, and interacts with surfaces before reaching our ears.

The Bigger Challenge: Sound Was Never Really Free

This is where room acoustics come in. Every space has a unique acoustic signature, often described using the Room Impulse Response (RIR)—a fingerprint that captures how sound behaves in that environment. Recreating this accurately is essential for immersion.

Over time, spatial audio evolved beyond channels into two key approaches:

Object-based audio, where sounds are placed and moved freely in space

Scene-based audio, which captures entire soundfields like Ambisonics

These advances allow sound to adapt across devices while maintaining spatial realism. However, capturing, modelling, and reproducing sound in dynamic environments remains a major challenge.

This research lays the foundation for everything that follows: without understanding how sound behaves in space, there is no true immersion.

From Stereo to Space: The Foundations of Spatial Audio

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