BennAV
 
 
 
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    November 26, 2012
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    November 26, 2012
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The new Engineered Sound. Contractor-exclusive innovations for every acoustical challenge. And safe haven from RFI.<br/>This low-profile omnidirectional condenser boundary microphone is designed for clear, highly intelligible sound reinforcement, professional recording and teleconferencing in table-, ceiling-, or panel-mount applications. The microphone is equipped with a self-contained power module with an XLRM-type output connector, eliminating the need for an external power module. The microphone offers unsurpassed immunity from radio frequency interference thanks to Audio-Technica’s UniGuard® innovations. Protected by a rugged all-metal case with a two-layer steel mesh grille, the microphone has a 360° pickup angle, and is available in two colors: black (ES945) and white (ES945W).
 

Ceiling Mount for Conference Table

I need a solution to enable video conferencing for a rectangular table with 14 seated participants. Has to be cieling mounted, 8' high, due to wiring separation issues. Is the distance from cieling to speakers too far; between 5' and 10' if I use 2 mics? I want to be sure before purchasing whether this is the right product or is there a better model?
This is a very common request but almost always results in a poor experience. First, 10' is way too far for this microphone and 5' is pushing it. Also, you want to avoid multiple microphones that cover the same area as this results in comb filtering which will make the audio sound even more distant and hollow. You need a balance between room acoustics and the microphone placement and selection. Because the distance between the source (person speaking) and the mic is so far in a ceiling application room acoustics are critical (try for an RT60 time of .5s or less). Speaking of critical... the critical distance will help you determine the useful distance of a mic. Personally, I would recommend you either use microphones which can hang down from the ceiling or you use directional microphones each focused at a specific area and avoid overlap. Check out the 3:1 rule for microphones for additional info. AT makes great mics but I'd have to recommend the Audix M40 for a ceiling-mounted application. You'll need an audio DSP with AEC and adaptive auto-mixing as well. If the performance of the room is important then I would recommend contracting an AV systems integrator or AV/acoustics consultant handle the planning.
1 year, 4 months ago
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BennAV
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