He knew why HP had funded him. Not for music. For control . An audio extension that could inject humility into a CEO, or dread into a witness. A non-lethal weapon that shattered your emotional defenses from the inside.

The headband hummed. Suddenly, he didn’t just remember the silence. He felt its weight. It was a physical pressure, a velvet glove pressing against his soul. He gasped.

For three years, the project had been a joke. “Dynamic Audio” was old tech—3D sound, spatial mapping, things every pair of earbuds could do. But the Extension part was the secret Leo had stolen from a forgotten branch of psychoacoustics.