When does music produce noise-like effect?
Nov 17, 2008 - 4:37:37 PM
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Therefore, the Physikalisch-Technische Bundesanstalt - has developed a noise protection shield. It can in the critical range above 250 Hertz lower the sound level at the ear of the musician by up to 20 dB, according to a PTB release.
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By IANS,
[RxPG]
London, Nov 17 - 'Music is always noise-related and often not appreciated,' German poet and humorist Wilhelm Busch noted wryly.
Busch's sarcastic saying embodies a bitter truth: Orchestra musicians jeopardise their ears with their own music. For instance, in a Wagner opera, sound values of 120 decibels - and higher can be attained.
Even the average sound level, depending on the repertoire and instrument, often takes on a magnitude that is considered hazardous to health.
Nevertheless, the EU Noise Directive, also in effect for German orchestras since Feb 15, has been implemented too rarely in practice; there is a lack of effective noise-protection measures.
Therefore, the Physikalisch-Technische Bundesanstalt - has developed a noise protection shield. It can in the critical range above 250 Hertz lower the sound level at the ear of the musician by up to 20 dB, according to a PTB release.
The noise protection shield can be reconstructed with little time and effort. In early testing, this has already been accomplished, with extremely positive feedback.
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