James pressed his ear against a section of the metal flooring, his face tightening with concentration. "I'm picking up at least three distinct harmonic patterns. They're currently dormant, but the carrier frequencies are active."
Maya knelt beside him, her specialized glasses scanning the infrastructure above the presentation hall. The visual representation showed a complex web of sound waves, invisible to normal perception but glowing in vivid colors through her synesthetic interface.
"The signature matches what we found at Harmony Hall, but exponentially more complex," she signed rapidly. "It's like comparing a solo violin to a full orchestra."
James nodded, his fingers tracing the floor seams. "The installation is professional—integrated with the building's existing acoustics. Someon
