One provides natural hearing when sound levels are safe and either 9- or 15-dB sound reduction when sounds exceed safe levels.
Carmarthenshire Council said it had been forced to investigate after receiving complaints and after monitoring the sound levels it found that they were too high.
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This was particularly noticeable over the range of sound levels associated with everyday tasks such as listening to the television or chatting at the dinner table.
The company conducted an independent report into sound levels and King said "it was very clear early on" that the "orientation and position of the stage" was of crucial importance.
The show even opened with a five-minute funk workout - a lightly-borne necessity, as Prince and his band endeavoured to set their sound levels after previous acts, including Tinie Tempah and Larry Graham, suffered from distorted bass and indistinct mixing.
The 100W subwoofer features Yamaha's proprietary Advanced YSTII technology to ensure the highest levels of sound pressure and overall performance.
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That may sound surprising, but high levels of testosterone in the womb have been linked to several other brain-related phenomena, including left-handedness, dyslexia and female homosexuality.
The terminology used by brewers to describe varying levels of roasting intensity in the malting process tends to sound like words describing sweets: There are malt levels that are bisquity, toasty, caramelly, toffee-like and even chocolaty, Mr. Daniels said.
They are calling on the Highways Agency to install a new road surface and improve the sound barrier to help reduce the levels of noise.
The Urban Weather Station can even detect sound to make sure average noise levels in the home remain at a healthy balance, a helpful feature for parents looking to protect their family from noise pollution.
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With the PGMs reaching such lofty levels, market analysts are beginning to sound alarms that positioning might be overextended.
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The player also continually analyzes and adjusts audio levels to reflect the producer's intended sound.
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For decades, discharges by wastewater treatment plants and land runoff have led to excessive levels of nutrients such as nitrogen and phosphorus in Long Island Sound.
Unlike any other wireless audio system at this affordable price point, users will get the party moving with distinctive sound definition and distortion free audio, even at room-filling volume levels.
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People using earbuds with lower sound quality attempt to drown out background noise and enhance audio clarity by increasing the volume to dangerous levels.
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