Dynamic volume control and multi-spatial processing protection
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United States of America Patent
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Feb 28, 2017
Grant Date -
May 2, 2013
app pub date -
Oct 16, 2012
filing date -
Nov 14, 2008
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Abstract
A disclosed system and method dynamically controls the perceived volume of a stereo audio program including left and right channel signals. The system includes a dynamic volume control that operatesto maintain a perceived constant volume level of the stereo audio program; and an excessive spatial processing protection processor configured and arranged for controlling the level of a difference signal, created as a function of the right channel signal subtracted from the left channel signal (L−R), relative to the level of a sum signal, created as a function of the right channel signal plus the left channel signal. The excessive spatial processing protection processor processes the audio signals so as to control the difference (L−R) signal relative to the sum (L+R) signal. A system and method are also provided for dynamically controlling the perceived volume of a stereo audio program including left and right channel signals.
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