By Glen Ballou
I'm going to qualify that i have not learn the e-book but. simply glancing via it after it arrived used to be disappointing. The ebook has 3 sections. part one is "Test and dimension" through Pat Brown, and is forty eight pages lengthy. It feels like an outstanding review of checking out, very like he bargains within the SynAudCon classes.
Section is "What's the Ear for? how one can shield it". it's 25 pages lengthy and whereas it appears legitimate, wasn't what I anticipated during this identify. part 3 is basics and devices of dimension. it's approximately a hundred pages of charts protecting every thing shape the SI method (wow i did not be aware of octillion is the identify of a host, that makes my existence richer), to a couple easy one paragraph themes on uncomplicated physics, a few strong formulation and charts for audio utilization, directly to the greek alphabet, ISO usual numbers, abbreviations for 30 pages (XLPE is move associated polyethelene), to a few geometry reveiw. it truly is real filler.
It appears to be like the content material is sweet, yet simple. It was once no longer a close publication on a legitimate Engineers advisor to Audio attempt and dimension in my view. There are different books that conceal this greater. in truth this ebook seems to be 3 chapters out of guide for Sound Engineers. i did not search for updates. It seems approximately identical.
My ranking is low simply because it is a rehash of a component one other e-book and the content material doesn't keep on with the name rather well.
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Additional info for A Sound Engineers Guide to Audio Test and Measurement
Bibliography Understanding Sound System/Room Interactions, Sam Berkow, Syn-Aud-Con Tech Topic, Volume 28, Number 2. Joseph D’Appolitto, Testing Loudspeakers, Old Colony Sound Labs, Petersborough, NH. Section 2 What’s the Ear For? 1 What’s the Ear For? 1 What Does Hearing Damage Sound Like? 2 How Loud Is Too Loud? 1 What’s the Ear For? An ear is for listening, and for the lucky few, listening to music is their job. But an ear is for much more—lose your hearing, and besides not hearing music, you lose your connection with other people.
EPA and WHO dBA Hours NIOSH Mins. Secs. Hours OSHA Mins. Secs. Hours Mins. 25 15 107 108 14 109 110 111 7 112 56 113 114 115 4 28 ear, and therefore exposure time ought to be cut in half. The EPA and WHO recommendations can be thought of as safe exposure levels. The NIOSH recommendations in the next three columns represent an increased level of risk of hearing loss and are not protective for approximately 10% of the population. NIOSH uses a 3 dB exchange rate, but the 8-hour exposure is 10 dB higher than EPA—that is, 85 dBA.
In a community setting, noise is aural litter. It is audible trash. Noise is to the soundscape as litter is to the landscape. When noise spills over into the community, it is the aural equivalent of throwing McDonald’s wrappers onto someone else’s property. When noise reaches the community, often it has lost its higherfrequency content, as that is more easily attenuated by buildings, barriers, and even the atmosphere. What is often left is the bass sound.
A Sound Engineers Guide to Audio Test and Measurement by Glen Ballou