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Tuesday, June 07, 2011
Chuck McGregor 06/07/11 01:43 PM,Realistically, audio signals at or near the noise floor of a system are not useful because the signal will not be significantly louder than the noise. Therefore, some minimum usable level must be assumed below which the electronic noise is considered objectionable. A signal to noise ratio of 20 dB is considered minimally acceptable for good intelligibility. For a high quality system 30 dB would be a better figure to use. Using this value, the range from this minimum signal… View this story
Filed in: AV • Feature • Poll • Study Hall • Amplifier • AV • Audio • Consoles • Education • Mixer • Sound Reinforcement • System -
Tuesday, May 31, 2011
Jon Baumgartner 05/31/11 08:30 AM,On the typical mixing console, each channel strip includes a knob at the top that behaves like a volume control. Meanwhile, the fader at the bottom of the channel strip also controls volume. Why are there two controls that appear to do the same thing? You’ve probably heard sound systems that issue a fairly audible hiss in an otherwise quiet room, as well as distortion when someone speaks loudly or when a singer gets aggressive. Both of these problems are… View this story
Filed in: Church Sound • Feature • Poll • Analog • Audio • Consoles • Digital • Mixer • Processor • Sound Reinforcement -
Wednesday, February 25, 2009
James Cadwallader 02/25/09 11:44 AM,It’s time for me to come out of the closet: I’m a dyed-in-the-wool unity gain structure freak. There, I said it and I sure do feel better. Catharsis is a good thing. Now, for those of you who aren’t sure what the heck I’m talking about, I’ll explain, and maybe get a few of you over to the dark side with me. First some clarification. Gain in sound parlance is the act of adding to (positive), subtracting from (negative), or… View this story
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Filed in: Live Sound • Feature • Opinion • Amplifier • Consoles • Processor • Signal • Sound Reinforcement • System
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