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Soundproof glass works by creating a near-impenetrable barrier between the sound and your ears. It takes on the mechanical energy of the sound wave and captures it. Such material can block between 90 to 95% of most sounds, with only a few frequencies as an exception. To block any noise, you need to fulfill five principles of soundproofing. These are:

Mass– Mass reduces noise by making it harder for sound to penetrate.

Mechanical Isolation– With mechanical isolation, it separates the materials from each other, forcing the sound to move through the air.

Absorption– Materials with strong absorption capabilities will eliminate a good chunk of the sound wave’s energy. Soft surfaces soak up the energy of the sound.

Resonance Dampening– With resonance dampening, your material reduces the magnitude of the sound. Most dampeners convert the mechanical energy into something else, whether it’s into heat or something else.

Conduction– By reducing conduction through dampening materials, you can help dissipate as sound travels.