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Binaural Dummy Head Microphone

by:Aoqi     2020-06-14
Two-ear recording is a technique for making realistic \"3D\" audio.
It is achieved by configuring a microphone in an arrangement close to the human com head hearing mechanism.
When these recordings are played back with headphones, they sound very realistic.
The way the sound travels through the head, the position of the ear and the shape of the ear affects the human hearing.
Therefore, the so-called \"fake head\" microphone is built to have the same shape and density as the human head.
In this project, we will create a virtual head microphone in the shape of the baby\'s head, which will be filled with silicone compounds to achieve a density similar to that of the human head.
Professional fake head recorders can cost up to $8000.
Assuming you have some standard tools and materials, it should only cost about $100 for this project (
Such as drills and Tapes).
I can\'t guarantee it will sound as good as a $8000 mic, but it certainly won\'t sound 80 times worse!
On Ebay, for $40, buy materials for eleceo dual-ear tie lapels stand-in micro-microphones.
By cutting off the attachment plate of the neck with a knife, you can enter the inside of the head.
The holes should be large enough to hold pins, some wires and a liquid silicone compound.
Note: The microphone fitting is very important to prevent silicone compounds from leaking out of the ear during filling.
Note: It\'s a good idea to practice this step a few times because you have almost one chance to do it right and you have to do it in about 5 seconds.
At this point, you may want to make a Test record to make sure the microphone works fine before you pour in the big steps of the silicone compound.
Overflow capture is necessary as the process of filling the head with silica gel can easily cause confusion.
Sealing a cup at the opening will help prevent silicone compounds from flowing through the ears.
The only thing that holds the pin to the head is the silicone compound, which is elastic and less adhesive, so this step will ensure that there is a strong mechanical connection to keep the pin in place.
Note: I chose a wooden pin instead of a metal or plastic pin, as it can better isolate the vibration of the microphone from any object connected to the head.
Note: it is best to put a little tape on the ear to protect the exposed microphone from any silicone compound leaking from the catch Cup.
Now you\'re done!
Take it out and make some recordings!
You can sw your baby\'s head with a small pillow to make it look less creepy.
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