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Topic:
Remote karaoke solution with wireless microphone
This thread has 15 replies. Displaying all posts.
Post 1 made on Sunday May 22, 2016 at 12:33
Krassyg
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I have to provide an outdoor karaoke solution for a high end home. The karaoke controller will be in the remote AV rack and use the existing outdoor speakers and subwoofers. I have three Cat6, 3 RG-6 and one microphone cable from the rack to the remote location. I am thinking a wireless microphone with two remote antennas over the RG-6 and a karaoke unit that can be controlled with an iPad app. What do you guys recommend for a reliable solution?

Last edited by Krassyg on May 22, 2016 16:06.
Post 2 made on Monday May 23, 2016 at 00:06
buzz
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Krassyg,

Is there an opportunity to keep the microphone receiver near the singer? Depending on the cable run length, you may need an amplifier in the antenna circuit.

Also, the microphones that I've seen supplied with Karaoke machines are trash. They sound bad, overload easily, have bad battery run times, and intermittent charging contacts. I suggest that you substitute a good professional wireless microphone. A professional microphone may have enough range without messing with remote antennas.

If you are working with an iPad App, make sure that you have good WiFi coverage in the operating area.
Post 3 made on Monday May 23, 2016 at 09:03
Fred Harding
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Don't try and run the mic antenna signal down rg6, as the impedance will not match.

More information is needed...
On the West Coast of Wisconsin
Post 4 made on Monday May 23, 2016 at 09:07
studiocats1
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Read here about using cable not designed for RF antennae extension. You may have problems with common RG-6.

[Link: audio-technica.com]
Post 5 made on Monday May 23, 2016 at 09:08
studiocats1
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Fred beat me to it.
OP | Post 6 made on Monday May 23, 2016 at 19:17
Krassyg
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Thanks for the advise guys, the wireless mic and antennas are not going to be a problem; I'm using the Sennheiser Evolution G3 wireless system with two remote antennas that can be used over RG-6 since they have their own grounding plate.

The main issue is finding a reliable karaoke system that can be controlled from the stage with an iPad app. I have an outdoor Ubiquity access point 10 ft. away, wifi is going to be fine.
Post 7 made on Monday May 23, 2016 at 20:04
buzz
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Krassyg,

Follow Fred's advice. Sennheiser suggests using RG-58. Here are their recommendations for extending antennas.  Note also that Sennheiser suggests that the microphone has a wireless range of 300 feet -- with the usual caviat that your mileage will vary.

RG-6 is 75 Ohms, while RG-8 and RG-58 are 50 Ohm cables.

Last edited by buzz on May 23, 2016 23:02.
OP | Post 8 made on Saturday May 28, 2016 at 08:33
Krassyg
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Thanks for the suggestions guys. What would be a good karaoke unit that can be controlled remotely. VocoPro has one that can be controlled via IR; anything else that can be controlled directly via an iPad app.
Post 9 made on Saturday May 28, 2016 at 14:44
jcmitch
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OP | Post 10 made on Saturday May 28, 2016 at 15:21
Krassyg
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On May 28, 2016 at 14:44, jcmitch said...

Thank you, I meant a karaoke mixer with an iPad control app. The primary source would be Sonos and iPhone playlists.
Post 11 made on Saturday May 28, 2016 at 15:56
buzz
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Krassyg,

In this context I don't think that there is any advantage in using a karaoke player. A true karaoke player would be able to throw song lyrics on to a screen. In your use case there will not likely be any screen. While in some cases a karaoke player could null some or most of the center vocal, the important part is to find karaoke source material.

Once you have the microphone and music signals, they can be combined with a simple mixer. This "mixer" could be a cheap commodity unit or a simple resistor network.

While the karaoke music source could be from a Sonos system, I don't recommend attempting to use a Sonos player to drive the speakers. The inherent 70ms delay between Line-In and output from the player will drive amateur singers crazy.
Post 12 made on Saturday May 28, 2016 at 17:42
Ernie Gilman
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Lessee here...
High end home with subwoofers, so good quality equipment with lots of power, especially in the subs.
Amateur singers with wireless microphones, so people who don't know how to hold a microphone (see [Link: soundreason.org]), are likely to drop the microphone by accident and, recently, sometimes on purpose.

This tells me there will be blown speakers if you're using home audio equipment. You need VERY sturdy speakers, made for the pops and such that singers and especially amateurs will deliver. You might not blow the subs with underpowered amps, but when an amp clips, there's excessive high frequency audio, which can blow tweeters.

Use equipment made for the purpose. The cheap way out, or using stuff not made for PA, will teach you how PA equipment differs from home hifi.
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
Post 13 made on Saturday May 28, 2016 at 18:51
highfigh
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On May 28, 2016 at 17:42, Ernie Gilman said...
Lessee here...
High end home with subwoofers, so good quality equipment with lots of power, especially in the subs.
Amateur singers with wireless microphones, so people who don't know how to hold a microphone (see [Link: soundreason.org]), are likely to drop the microphone by accident and, recently, sometimes on purpose.

This tells me there will be blown speakers if you're using home audio equipment. You need VERY sturdy speakers, made for the pops and such that singers and especially amateurs will deliver. You might not blow the subs with underpowered amps, but when an amp clips, there's excessive high frequency audio, which can blow tweeters.

Use equipment made for the purpose. The cheap way out, or using stuff not made for PA, will teach you how PA equipment differs from home hifi.

If the system has good compression/limiting and some kind of gate for when ol' fumble fingers drops the mic or some nimrod decides that it's funny to drop it because they saw someone on the internet do it, this shouldn't be a problem.

The real problem is that a Karaoke machine through a good system often sounds like crap because they're not necessarily designed for that kind of fidelity.

I don't know if VocoPro has a unit that uses an iPad app to control it, but they work well with IR, so some kind of IP-based hub would be a no-brainer for this. Forcing the audio to travel too far to be free from glitches is the tricky part.
My mechanic told me, "I couldn't repair your brakes, so I made your horn louder."
Post 14 made on Saturday May 28, 2016 at 20:05
buzz
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In my experience, audio quality is a secondary or tertiary consideration for karaoke singers. It's all in the moment.
OP | Post 15 made on Saturday May 28, 2016 at 21:52
Krassyg
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I checked with VocoPro and they don't have an app, which isn't a big deal since I can control it with IR. Besides VocoPro, anything else I should be looking at?
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