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Wednesday, May 04, 2011
PSW Staff 05/04/11 04:36 PM, 0 CommentsWhat is dynamic range? Dynamic range can be defined as the distance between the loudest possible level to the lowest possible level. For example, if a processor states that the maximum input level before distortion is +24 dBu and the output noise floor is -92 dBu, then the processor has a total dynamic range of 24 + 92 = 116 dB. However, the average dynamic range of an orchestral performance can range from - 50 dBu to +10 dBu on… View this story
Filed in: Church Sound • Feature • Poll • Study Hall • Analog • Digital • Processor • Signal -
Tuesday, April 26, 2011
The Gang In The LAB Lounge 04/26/11 04:14 PM, 0 CommentsQuestion: Everyone knows that adding people to a room changes everything, so does anyone have any tricks on simulating or accounting for the audience when doing soundcheck? I’m just curious to see what can be done. Reply by Per: That’s an interesting thought that has followed me for years. I guess it would be possible to build a virtual audience for soundcheck purposes. Since acoustic absorbers are a combination of material and air, maybe they could be constructed so that… View this story
Filed in: Live Sound • Feature • Poll • Study Hall • Concert • Engineer • Measurement • Sound Reinforcement • Stage • System • Technician • Audio -
Gary Zandstra 04/26/11 02:31 PM, 0 CommentsFrom our resident church audio blogger Gary Zandstra comes the first video in a multi-part series on some of the basics of mixer usage and selection, which is equally useful to novices in any field. For more helpful hints from Gary, make sure to check out his Church Sound Blog. Gary Zandstra is a professional AV systems integrator with Parkway Electric and has been involved with sound at his church for more than 25 years. View this story
Filed in: Church Sound • Feature • Poll • Video • Study Hall • Digital • Installation • Interconnect • Mixer • Signal • Sound Reinforcement • System • Audio -
Monday, April 11, 2011
Dennis A. Bohn 04/11/11 02:01 PM, 1 CommentThis article is provided by Rane Corporation. (Click here to read part 1, focusing on crossovers, and click here to read part 2, addressing equalizers. Dynamic controllers or processors represent a class of signal processing devices used to alter an audio signal based solely upon its frequency content and amplitude level, thus the term “dynamic” since the processing is completely program dependent. The two most common dynamic effects are compressors and expanders, with limiters and noise gates (or just… View this story
Filed in: AV • Feature • Poll • Study Hall • Analog • AV • Digital • Processor • Signal • Audio -
Friday, April 08, 2011
Bob Thurmond 04/08/11 10:21 AM, 0 CommentsA continuation of the discussion of factors of a “good” sound reinforcement system that begins here. A common complaint of audience members who have become familiar with a particular sound system, typically in a venue with a permanently installed system and which they visit repeatedly (such as a church) is that there are locations where sound is obviously better than at others. In other words, sound is not uniform throughout the audience area. In fact, this is a common problem… View this story
Filed in: AV • Feature • Opinion • Poll • Study Hall • AV • Education • Engineer • Software • Sound Reinforcement • System • Audio -
Thursday, April 07, 2011
Dennis A. Bohn 04/07/11 12:19 PM,This article is provided by Rane Corporation. (Click here to read part 1, focusing on crossovers.) You may have heard it said that equalizers are nothing more than glorified tone controls. That’s pretty accurate and helps explain their usefulness and importance. Simply put, equalizers allow you to change the tonal balance of whatever you are controlling. You can increase (boost) or decrease (cut) on a band-by-band basis just the desired frequencies. Equalizers come in all different sizes and shapes,… View this story
Filed in: AV • Feature • Poll • Study Hall • AV • Processor • Signal -
Pat Brown 04/07/11 09:40 AM, 1 CommentGood sound reproduction requires balance. Many auditoriums have at least two sound systems. The house system covers the audience, and the monitor system covers the stage. On stage, balance must be achieved between the various instruments to satisfy the musicians. The resulting stage level must be balanced with the house system level to satisfy the audience. Let’s use an analogy to clarify things. If I need gray paint, I can mix a little black in with a lot of white… View this story
Filed in: Church Sound • Feature • Poll • Study Hall • Installation • Measurement • Monitoring • Sound Reinforcement • Stage • System -
Tuesday, April 05, 2011
Dennis A. Bohn 04/05/11 03:01 PM, 0 CommentsThis article is provided by Rane Corporation. In space, no one can hear you scream ... because there is no air or other medium for sound to travel. Sound needs a medium; an intervening substance through which it can travel from point to point; it must be carried on something. That something can be solid, liquid or gas. They can hear you scream underwater ... briefly. Water is a medium. Air is a medium. Nightclub walls are a medium.… View this story
Filed in: AV • Feature • Poll • Study Hall • Analog • AV • Digital • Loudspeaker • Processor • Signal • Sound Reinforcement • Audio -
Tim Andras 04/05/11 08:46 AM,The band I regularly mix is based on the east coast of Florida, and we often find ourselves playing in clubs right on the beach. Unfortunately, in most of them, the stage is an afterthought or built for duos and trios, and most certainly not for a five-piece rock band with all of the gear, wedges and so on. While the stages are small, the clubs themselves usually are not, requiring a full-range house PA - with everything running through… View this story
Filed in: Live Sound • Feature • Poll • Study Hall • Concert • Sound Reinforcement • Stage • Audio -
Friday, April 01, 2011
Don Davis 04/01/11 09:50 AM, 0 CommentsHarry Nyquist is famed for his work on feedback circuit analysis. His Nyquist plot makes visual simultaneously the following viewpoints of the signal: 1. The real part 2. The imaginary part 3. The magnitude 4. The phase angle between the real and imaginary parts 5. The polarity of the system 6. The causality or non-causality of the time behavior 7. The presence of resonant systems 8. Non-signal synchronization by … View this story
Filed in: AV • Feature • Poll • Study Hall • AV • Loudspeaker • Measurement • Signal • Sound Reinforcement • System • Audio
Articles Tagged Audio Basics
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