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Monday, December 12, 2011
Tim Vear 12/12/11 03:30 PM,An important consideration in microphone use is acoustic interference, which can occur whenever delayed versions of the same sound are mixed together, acoustically or electrically. With mics, this may happen in several ways: mics of reverse polarity picking up the same sound, multiple mics picking up the same sound from different distances, a single mic picking up multiple reflections of the same sound, or any combination of these. The results are similar in each case, and include audible peaks and… View this story
Filed in: Church Sound • Feature • Poll • Study Hall • Audio • Education • Engineer • Microphone • Studio • System -
Tuesday, June 07, 2011
Chuck McGregor 06/07/11 02:43 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 -
Thursday, March 24, 2011
Mike Wireless 03/24/11 02:38 PM,One of the topics that I’ve seen poorly understood, and even deliberately used to mislead people, is the issue of wireless microphone transmitter power and the effects said power has on system performance. Let’s start with the basics: all things being equal, more transmitter power = more range for the system, but not in a linear way. In broad terms, when discussing analog wireless systems, the receiver wants to see a signal from a transmitter that is at least about… View this story
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Filed in: AV • Feature • Blog • Poll • Analog • AV • Audio • Microphone • Signal • Stage • System • Wireless -
Friday, February 04, 2011
Mark Frink 02/04/11 03:09 PM, 0 CommentsThis is the 40th anniversary of Altec Lansing’s passive third-octave “continuous” equalizer that began modern sound system equalization. It didn’t start as a graphic equalizer, but rather, was three rows of eight knobs on third octave centers. A companion third-octave real-time analyzer, three rows of eight VU meters, provided a means to measure a sound system. Subsequent Altec EQs replaced the knobs with a row of sliders, earning the name “graphic” because their positions provide a graphic display of the… View this story
Filed in: Live Sound • Feature • Processor • Sound Reinforcement • System -
Thursday, December 02, 2010
Chuck McGregor 12/02/10 03:00 PM, 0 CommentsAlthough this is not a rigorous treatment of the subject, the following are general guidelines that may be helpful in setting the gain structure for an audio system and making final adjustments to it for best results. A Basic Procedure As a minimum, you need to use at least a voltmeter along with the maximum output voltage specification for each piece of electronics. The preferable tool is an oscilloscope that can be used to observe the signal directly. If neither… View this story
Filed in: Live Sound • Feature • Poll • Study Hall • Amplifier • Audio • Loudspeaker • Mixer • Signal • Sound Reinforcement • System -
Tuesday, October 12, 2010
Pat Brown 10/12/10 12:48 PM, 0 CommentsFor most humans, there is nothing easier than breathing, seeing, smelling and hearing. We do these things without thought, and even take them for granted. Our senses were given to us to help us exist in a physical universe. They are transducers that allow physical stimuli to be converted into a form recognized by the brain. We are bombarded with stimuli every waking moment, and our brains are continuously processing the information to help us function in our environment. Of… View this story
Filed in: AV • Feature • Poll • Study Hall • AV • Audio • Education • Installation • Measurement • Signal • Sound Reinforcement • System -
Wednesday, September 02, 2009
PSW Staff 09/02/09 07:33 AM, 3 CommentsBerkleemusic, the online school of Boston’s renowned Berklee College of Music, is debuting the new online course “Audio Mastering Techniques” for their upcoming fall term, beginning September 28. Students will gain a thorough understanding of what is involved in creating a final master recording ready for duplication, replication, or online distribution. Course authors and instructors Marc Einstmann and Jonathan Wyner have over 40 years of professional mastering experience between them. Wyner, associate professor in the Music Production and Engineering department… View this story
Filed in: Recording • News • Audio • Consoles • Digital Audio Workstations • Education • Processor • Software • Studio -
PSW Staff 09/02/09 06:41 AM, 0 CommentsAllen & Heath is shipping a host of new interface cards for the iLive and iLive-T Series digital consoles, including the RAB2 remote audio interface card host; the Mini Multi-Out Card for ADAT, Aviom, iDR 8-bus and Hearbus; the EtherSound Network Card; Allen & Heath’s proprietary ACE (Audio and Control over Ethernet) Card for 64 channel bi-directional link; and the new MADI 64 Channel Multi-link Card. RAB2 is a remote audio card, enabling iLive digital mixing systems to work with… View this story
Filed in: Live Sound • Church Sound • Product • Audio • Consoles • Digital • Ethernet • Interconnect • Mixer • Monitoring • Networking • Processor • Sound Reinforcement • Stage -
Wednesday, August 19, 2009
PSW Staff 08/19/09 08:58 AM, 0 CommentsWorship Facilities Conference & Expo (WFX) has announced its distinguished awards program for WFX Charlotte, scheduled to take place October 27-30, 2009 at the Charlotte Convention Center in Charlotte. Both in their fourth year, the 2009 WFX New Product Awards and WFX Solomon Awards recognize outstanding achievements in church facilities and audio visual projects, as well as the multitude of products that make them happen. The 2009 WFX New Product Awards, presented by Church Production and Worship Facilities magazines, recognize… View this story
Filed in: Church Sound • News • Product • AV • Audio • Business • Education • Installation • Sound Reinforcement • Studio -
Monday, August 17, 2009
Mike Wireless 08/17/09 04:20 PM, 1 CommentJust a quick note to point out that there will be two wireless microphone-related panel discussions at the upcoming Audio Engineering Society convention to be held at the Javits Center in New York this October. The AES convention, which is held annually in the U.S. on alternating coasts, always has a number of excellent workshops and panels covering sound reinforcement, and this year, must-see subjects such as “AC Power and Grounding”, “Microphone Dressing” and “Church and House of Worship”, among… View this story
Filed in: Live Sound • Church Sound • Blog • Mike Wireless • Opinion • AV • Audio • Education • Engineer • Installation • Microphone • Sound Reinforcement • Technician
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