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• n  the difference between the instantaneous pressure at a point in a sound field and the average pressure at that point

• instantaneous sound pressure

News & Articles

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• Renault reveals sound of 2014 V6 engine
  Jun.21 (GMM) Renault on Friday revealed a sneak-preview of the sound of its 2014 engine. There have been fears the noise produced by next year's turbo V6s will be a mere shadow of the current normally-aspirated V8s. "Overall," admitted the French marque's engine boss Rob White, "the sound pressure level (volume) is lower and the nature of the sound reflects the new ... Keep reading
  June 21, 2013 - Motorsport.com