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Featured Research Article Archives

HDTV Past, Present and Future - Part I History HDTV Past, Present and Future - Part I History It has been nearly 80 years since the first public demonstration of television took place in a crowded laboratory in London . Since that time television has advanced from blurry black and white…
Human Hearing - How We Hear and Perceive Audio Quality Part 4 Human Hearing - How We Hear and Perceive Audio Quality Part 4 This article summarizes the 3 part series discussing how the human ear perceived amplitude, phase and distortion to determine sound quality.
Human Hearing - Distortion Audibility Part 3 Human Hearing - Distortion Audibility Part 3 How sensitive is the human hearing to distortion? This article explores the audibility of distortion.
Human Hearing - Phase Distortion Audibility Part 2 Human Hearing - Phase Distortion Audibility Part 2 This article discusses how sensitive the human ear is to phase distortion and how it determines the listening quality we identify with.
Human Hearing: Amplitude Sensitivity Part 1 Human Hearing: Amplitude Sensitivity Part 1 Human Hearing from an auditory and perceptual standpoint is studied in this series of articles. Part I deals with Amplitude Sensitivity.
A Guide to Sound Isolation and Noise Control A Guide to Sound Isolation and Noise Control This is a very appropriate saying with regard to sound isolation. We are often asked questions like: "What can I do to this wall to stop the sound going through to the bedroom on the other…
Lowering Mechanical Noise Floor in Speakers Lowering Mechanical Noise Floor in Speakers When I design a loudspeaker system for home or studio use, with the goal of maximizing sonic accuracy, there are a handful of key areas I focus on when it comes time to judge how successful the…
Fujitsu Plasma Tube Technology Fujitsu Plasma Tube Technology Fujitsu Laboratories Ltd. has been developing a revolutionary new plasma tube technology to produce narrow glass tubes, measuring one meter in length and one-millimeter in diameter, that emit light…
Understanding Loudspeaker Frequency Response Understanding Loudspeaker Frequency Response When I look at Infinity, then Axiom, then Paradigm, and then Rocket, I can't see any consistency with the frequency range and the price. How can a speaker with a frequency range of 60-20,000 Hz cost…
Bass Management for Satellite HTiB Systems Bass Management for Satellite HTiB Systems We have fielded several questions relating to how to handle bass management for integrated sub/satellite system where the subwoofer actually handles the crossover and feeds signal to the satellite…