Perceptual Effects of Dynamic Range Compression in Popular Music Recordings - January 2014
Accurate Calculation of Radiation and Diffraction from Loudspeaker Enclosures at Low Frequency - June 2013
New Measurement Techniques for Portable Listening Devices: Technical Report - October 2013
Which Loudspeaker Parameters are Important to Create the Illusion of a Live Performance in the Living Room?
The preference in loudspeaker product design is for small size, while preserving maximum low frequency extension and output volume. If the goal is to create a realistic reproduction of a live event, then certain speaker parameters must be adequately controlled, such as volume displacement, intermodulation distortion, stored energy and off-axis frequency response. Components must be carefully selected for low distortion performance. Parameters like phase linearity and cabinet diffraction are sometimes overrated. Multi-channel speaker setups require propagation delay correction and bass management, if not all speakers cover the full frequency range. These issues are reviewed at the advent of high resolution surround sound. The new technology can only fulfill its promise and expand into more than a niche market, if capable loudspeakers are widely available.
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