Everyone, at one time or another, has been annoyed by the unpleasant thumps of a neighbor watching a movie or listening to music late at night. While high frequencies are easily stopped by walls, low frequencies go right through them. Well, Audyssey, never content to sit on its laurels in the area of sonic advancement, announced its new Audyssey Low Frequency Containment, or Audyssey LFC. The new technology supposedly prevents low frequencies from traveling through walls, minimizing disruption in neighboring rooms or apartments with minimal impact on bass enjoyment. It's very difficult to acoustically isolate a room because it involves additional construction. Audyssey researched how bass wavelengths interact with wall materials and developed a technology that solves the problem at the source. To attack the issue at its very core, the researchers at Audyssey first determined the range of frequencies that most readily pass through walls. Once the range was identified, they developed a process not only to reduce the level at those frequencies, but also to apply psychoacoustic processing that restores the perception of low bass for listeners in the room. Audyssey LFC is not a simple filter; rather, it dynamically monitors the low frequency range and engages only when it finds the offending frequencies.
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