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DIY Binaural head with minidisc mics. Utility Plugins
Old 3rd April 2007
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jebjerome's Avatar

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DIY Binaural head with minidisc mics.


I've got a pair of these and they sound pretty good. I've clipped them close to my ears and walked around and achieved some very cool near-binaural recordings to minidisc with them. Now I want to mount them in ear positions in a dummy head and use them for studio recording.

I've got the dummy heads, so step 1 is taken care of. But I don't know how to go about getting the mics powered and into my system. Normally the minidisc supplies power.

I imagine I need a special stand alone power supply and then just use an 1/8" to 1/4" or xlr to go into my system. Do they make the power supplies like this? How should I do this? My electronics geekdom is limited to soldering cables so far.

Can one of you wonderful geeks tell me what I need to do this please and any potential dangers (I'm guessing phantom power should be left alone)?

Much appreciated.

Old 3rd April 2007
Telinga Microphones - Plug-in-Power whitepaper

There is a breif explanation. You can still use your minidisk for power if it has a monitor output. You may be able to rig -up a converter and use phantom power.

Or you could get a 9 volt battery and a feed resistor (and maybe a DC blocking cap) and make a bias supply yourself.


Old 3rd April 2007
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jebjerome's Avatar

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So I suppose the easiest way would be to do this and send the headphone out to the recorder.
Old 3rd April 2007

No muss, no fuss....

Typically, the 1/8" input on your computer has plug power too.


Old 3rd April 2007
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John Suitcase's Avatar

Speaking of binaural heads, does anyone know where to find IRs of binaural recordings, in various positions around the head?

I'd like to be able to position a track behind the listener (or above) for instance, but don't have any way to do it, that I know of.

Be sure to post some examples once you get the head working!

Oh, and the power supply thing:

I suspect this power supply configuration might work, though it'll require batteries. There's another way to do it using a zener diode and whatnot for phantom power, but it's a bit more complicated.

I don't know the voltage of your mics, but I would expect 9 volt to work well enough (most electret type mics can handle that)
Old 3rd April 2007
Lives for gear

I got a little thing off ebay for exactly this situation. Its just a powering device with a minijack line out (male)

Can't find it now but I don't think I paid more than £15 for it.
Old 3rd April 2007
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Old 3rd April 2007
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jebjerome's Avatar

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Sweet. That's exactly what I need.
Old 7th April 2007
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