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The SOS Guide to Live Sound by Paul White

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Chapter ThirteenThe Technical Stuff

 

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You don’t need a science degree to create a good live-sound mix, but it is worth taking the time to understand the key concepts and terminology involved. It will certainly help you interface all your gear correctly, and it just might save you from making an expensive mistake!

Decibels And Headroom

Audio ‘tech-speak’ invariably includes numbers with the letters dB written after them, and these ‘decibels’ can initially be confusing. The commonly encountered terms dB, dBu, dBm, dBv and dBV all relate in some way to audio operating levels, as explained in Chapter 4. We learned that the decibel or dB is simply ...

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