A new one on me
Well I'd like to say I should have saw this coming, but I didn't. With my Senn G2 100 series, I did a sound check prior to the ceremony, everything was peachy. Well, what I didn't do was take the transmitter close to this 'self powered' speaker the place was using for music. Well, 10 or so feet from when the groom arrived at the front, the mic system just pegged on interference. The buzz was so loud in my ear, I was hearing it in my right headphone.
I didn't even see it coming. I had a lot of back up audio, so I'm fine. But I guess that those self powered speakers transmit some type of frequency. Just passing along my fun 'extra couple of hours audio editing' lesson. I'll know next time. |
Some self-powered speakers designed for easy PA use also have built-in wireless receivers. All receivers put out weak transmission frequencies as a part of how they operate, but even a regular powered speaker could create interference if something was wrong with it or the cable leading to it. There could be a lot of things near the front of a house of worship that could cause interference though. If you work there again I would do more testing, not just of that speaker, but at any place your wireless might travel during the ceremony.
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Yeah, Jay, good advice. I'll do more testing next time I see any equipment.
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A standard part of a triple-check-is-everything-right is to have someone walk the entire performance area talking into the mic while you listen on headphones.
It's done all the time for live stage shows and corporate meetings, apparently equally applicable to weddings or any other situation where you have one chance only to get the audio with a wireless. |
Are you sure it wasn't a Blackberry or cell phone?
Stephen Murphy has an article in this month's ProAudio Review magazine in which the sound engineer at a live event tells the Blackberry-armed security guard, "Sir! Step away from the console! This is your last warning!" |
I think I'm going to stop telling people that their devices will "interfere" with the audio equipment and instead tell them that since this is special "professional" equipment it will be decoding and recording all their voice mails onto the tape by accident unless they actually turn the device totally off...
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Since I have an engraver, I think I'll engrave a small plastic plate with a variation of your words....Great way to get them to comply, and will look great right next to the "Talent" and "Suck" knobs. |
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Thanks, |
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Another thing to do is use the Scan feature in the G2. Turn your transmitters off and do a Scan with the receiver. You may need to walk around the place as Seth mentions but you should end up finding a clear channel.
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Thanks to everyone.
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Exactly as Steve said regarding the weak transmission signals that are generated by radio receivers. That's why historically you weren't supposed to listen to an FM radio while on a commercial jetliner at any time. Of course most current mp3 players have FM receivers built-in, which are probably operative even when you're only listening to mp3's, but oh well...
It's also the reason that scanners pick up their own internal signals on some frequencies and get stuck at that spot unless that frequency is locked out. |
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