Subject: Just how loud was that mosquito?
From: Kevin Austin (kevin.austin@videotron.ca)
Date: Tue Sep 11 2007 - 08:10:32 EDT
Date: Mon, 10 Sep 2007 21:54:25 -0400
From: Jean-Philipe Nault <jean_nau@alcor.concordia.ca>
Subject: Re: EU directive limits orchestra loudness
From -80dB to 320dB
http://www.makeitlouder.com/Decibel%20Level%20Chart.txt
http://www.gcaudio.com/resources/howtos/loudness.html
http://www.sengpielaudio.com/Calculations03.htm
We were talking about bit depth and dynamic range in class:
S=6n dB
S is the signal-to-noise ratio
n is the number of bits
Bits
8=48
16=96
24=144
32=192
This is on a ideal perfect system .
JP
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Date: Mon, 10 Sep 2007 21:11:32 -0400
From: Marko Jakopanec <jakopanec@gmail.com>
Subject: EU directive limits orchestra loudness
<http://news.yahoo.com/s/ap/20070907/ap_on_re_eu/europe_sounds_of_silence_1>http://news.yahoo.com/s/ap/20070907/ap_on_re_eu/europe_sounds_of_silence_1
The directive took effect for most other work places five years
ago, but it was postponed until Feb. 15, 2008, for "the music and
entertainment sectors" to allow creation of "practical guidelines"
tailored to the concert stage and other musical venues.
That has not dispelled concerns enforcement of the maximum noise
limit set at the work place ÷ 85 decibels on an average work day ÷
could hamper musical freedom by undercutting sound levels preferred
by Beethoven, Stravinsky or Bruckner. The score of Tchaikovsky's
Sixth, for instance is sprinkled with fff's ÷ forte fortissimos.
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