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Old 12-06-2008, 04:49 PM   #1
Registered: Jun 2008
Distribution: Debian
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Wink Bluetooth vs WIFI for a project

I was discussing microphones with one of my teachers yesterday. He mentioned that the FCC is limiting the available bandwidth for wireless mics. I thought why not use a basic stamp or pic as a network interface and create a network of microphones over WIFI. However, after some reading, I am thinking bluetooth may be better. We have a theater that uses several large diaphram mics and probably 7 or 8 wireless sets. The stage is probably 100-200 feet across and 50 feet deep. The booth is in the back of course. Here are the two systems I was thinking of.

Using an A/D converter with a microphone cartarge attached. A pic microcontroller would take the digital signal and convert it to a MIDI stream. Then, the MIDI stream would be broadcast over WIFI to a router on the side of the stage. From there, the signal would travel over a gigabyte network to a main computer in the back where a custom app would sort and mix the signals and feed them to the main amp. There could also be a web GUI on each mic to taylor it to the individual user.

multiple mics on the same channel
high bandwidth and speed
highly tuneable

The other thought I had was some bluetooh mics. However, I don't know a lot about blutooth. There is where I really need opinions. I was there could be several USB recievers above the stage connected to a computer and have the computer create a MIDI stream that can run to a control computer in the booth.

The problem I run into.
With the WIFI, I know I can have several different streams that can be mixed in the back. Can I create a MIDI stream for each mic with bluetooth? Also, would I be able to tune the bluetooth mics? I know bluetooth will not have the range of WIFI. Do you think it will still work?

I just want some opinions one one vs the other. Thanks.
Old 12-07-2008, 01:27 PM   #2
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There are wireless mics to use in live performances. Here are a couple of URLs that I got from Google.

I found those by using Google to search for theater wireless microphone
Old 12-10-2008, 10:29 PM   #3
Registered: Jun 2008
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Thanks for the links. My idea was to get away from the conventional ones and try everything via WIFI. That way, everything would use the same channel. After talking with a few people, I have a design in mind.


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