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<blockquote data-quote="Art Welter" data-source="post: 40902" data-attributes="member: 52">Re: Nice article on why some sounds hurt more than othersExposure to loud sound can cause temporary shifts in the threshold of hearing (TTS) in the mid frequency region, greater than 20 dB at 4000 Hz is common with exposure to loud music.The TTS is maximal at the exposure frequency of the sound, which explains why many musicians and sound engineers not permanently deaf seem to be.Up to two hours of recovery time from TTS can be required for only 95 dB.If you want to have a good sounding mix, and save your (and the audience) hearing, cut the offending frequencies out of the instruments producing them rather than masking them with other louder bass frequencies.Looking at the equal loudness curves of ISO 226:2003, we can see that hearing is flatter at louder levels, which makes mixing at louder levels easier.Unfortunately, exposure to over 95 dBA (slow) for over four hours a day (on a daily basis) causes permanent hearing damage.</blockquote>

[QUOTE="Art Welter, post: 40902, member: 52"] Re: Nice article on why some sounds hurt more than others Exposure to loud sound can cause temporary shifts in the threshold of hearing (TTS) in the mid frequency region, greater than 20 dB at 4000 Hz is common with exposure to loud music. The TTS is maximal at the exposure frequency of the sound, which explains why many musicians and sound engineers not permanently deaf seem to be. Up to two hours of recovery time from TTS can be required for only 95 dB. If you want to have a good sounding mix, and save your (and the audience) hearing, cut the offending frequencies out of the instruments producing them rather than masking them with other louder bass frequencies. Looking at the equal loudness curves of ISO 226:2003, we can see that hearing is flatter at louder levels, which makes mixing at louder levels easier. Unfortunately, exposure to over 95 dBA (slow) for over four hours a day (on a daily basis) causes permanent hearing damage. [/QUOTE]

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