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One-Way Sound Walls Proven Possible

Posted by Soulskill on from the good-sound-walls-make-good-neighbors dept.

disco_tracy writes "Imagine a room where a band is playing. Neighbors can't hear the music, but if someone outside the room is talking, the musicians can hear it. The concept — a kind of one-way mirror for sound — seems imaginary, but two Italian scientists recently pushed this kind of sound manipulating technology closer to reality (abstract)."

2 of 177 comments (clear)

  1. Re:Really necessary? by SQLGuru · · Score: 4, Interesting

    This would be material based and not require additional power?

    It would be great for those baby-rooms they used to have in movie theaters. The people inside could hear the movie without the audience hearing the screaming kid.

  2. Re:Wave diode applicable to light? by Garble+Snarky · · Score: 4, Interesting

    I believe one-way mirrors are completely dependent on highly disparate levels of light between the two regions. This paper describes a totally different physical mechanism.