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Junior Varsity
Sound Analysis
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<blockquote data-quote="Art Welter" data-source="post: 107728" data-attributes="member: 52"><p>Re: Sound Analysis</p><p></p><p></p><p>John,</p><p></p><p>There indeed is less low mid level wherever the "new" measurement was taken.</p><p>Attenuation is generally used as a term for reduction in amplitude prior to amplification.</p><p></p><p>The low mid reduction in your "new setup" could be from floor bounce (dual path length interference) or from a different proximity from walls, reducing low mid reinforcement.</p><p>Or it could be a difference in mic location..</p><p></p><p>Your measured differences are large, a 10 dB difference at 1000 Hz sounds around half or twice as loud, at 20 Hz a 5 dB difference sounds half or twice as loud.</p><p></p><p>The chart below shows how average hearing responds to different levels.</p><p></p><p>Art</p></blockquote><p></p>
[QUOTE="Art Welter, post: 107728, member: 52"] Re: Sound Analysis John, There indeed is less low mid level wherever the "new" measurement was taken. Attenuation is generally used as a term for reduction in amplitude prior to amplification. The low mid reduction in your "new setup" could be from floor bounce (dual path length interference) or from a different proximity from walls, reducing low mid reinforcement. Or it could be a difference in mic location.. Your measured differences are large, a 10 dB difference at 1000 Hz sounds around half or twice as loud, at 20 Hz a 5 dB difference sounds half or twice as loud. The chart below shows how average hearing responds to different levels. Art [/QUOTE]
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