Panasonic Nano Bass Exciter reproduces high fidelity sound for compact speakers

Panasonic has developed a patent-pending low-range sound reproduction method, “Nano Bass Exciter,” to reproduce high fidelity sound for compact speakers. The “Nano Bass Exciter” uses a porous carbon material with nanometer-sized minute pores that control the concentration of air molecules in the speaker. When low-range sound is reproduced, large amplitude vibrations of the diaphragm momentarily increase the air pressure within the loudspeaker cabinet. The “Nano Bass Exciter” physically absorbs the air molecules and decreases the air pressure, allowing the diaphragm in a compact speaker to move in the same manner as the diaphragm in a large loudspeaker cabinet. As a result, even compact equipment can reproduce high fidelity low-range sound.

The Panasonic Nano Bass Exciter achieves twice as much volume of low-range sounds as Panasonic’s conventional speakers, allowing rich sound reproduction with high fidelity. The new method can reproduce the low-range sound equivalent to that produced by conventional speakers with larger cabinet volume. It also enables ultra-compact speakers used for mobile terminals to produce a sound effect closer to that of home AV equipment speakers.

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