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PostPosted: 23 Dec 2016, 12:45 
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Joined: 18 Dec 2016, 21:04
Posts: 2
I am interested in building an in-ear white noise generator similar to the ones, like the NewSound TI-100 for example. I've never gotten a chance to take one of these things apart, so I'm curious as to whats used to generate these noise profiles. I suffer from tinnitus myself and I'm seeing if I can save some money by making my own. I'm aware of the dozens of white noise generators for external listening, but I'm hung up on how to produce the same experience at such a small size.


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PostPosted: 26 Dec 2016, 09:06 
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Joined: 05 Aug 2016, 14:35
Posts: 220
Any sort of In-Ear device not prescribed by an expert and only after the proper testing and diagnosis from a medical professional is a recipe for massive hearing damage. Full Stop.


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PostPosted: 27 Dec 2016, 13:38 
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Joined: 09 Oct 2012, 19:43
Posts: 299
Location: Vancouver Canada
I remember making an ocean wave machine in the 70's. Also called a rain machine. The cct was simple using two transistors and a few res and caps with 9v batt. The whole thing would fit into a box big enough for 2 of 9volt batt. Plug in your ear-buds or headphones and listen to the rain or waves all day wherever you went.
However with the advent of the internet i have looked for many different combinations of wave and rain making cct's and the net has provided an endless number of audio sign and square wave generator cct's and not one rain cct like the one i was looking for. Just keep trying different combinations of wave, rain, transistor cct's and you may get lucky. I wish i still had the cct but i do not, sorry. But don't get discouraged. I am sure there is one out there. Luck to you and if you find it post it for the rest of us. I could use a rain machine to listen to.
I have one called "Natura Sound Therapy". But that one is a program (free) which is loaded into a comp, not a dedicated cct. But it is soothing to listen to. Laurie.


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PostPosted: 27 Dec 2016, 14:30 
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Joined: 09 Oct 2012, 19:43
Posts: 299
Location: Vancouver Canada
Here is a few i have found on the net. One seems to crop up on many pages so i am adding the sch here so you can see how simple it is to make. Here is some i have found.
http://www.eleccircuit.com/six-sound-ef ... ng-mm5837/

http://forum.allaboutcircuits.com/threa ... gn.129394/

http://soundrown.com/

http://schematics.com/project/rain-soun ... uit-14430/

http://www.electroschematics.com/6044/r ... r-circuit/

http://www.electroschematics.com/6831/a ... -insomnia/

http://www.seekic.com/circuit_diagram/S ... rcuit.html

I hope these are helpfull.


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PostPosted: 27 Dec 2016, 17:01 
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Joined: 18 Dec 2016, 21:04
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They are helpful, thanks for the resources. I was hoping to find something as small and as least cumbersome as possible. Besides bluetooth are there any other means of transmitting the white noise sound wirelessly? I suppose the market price tag for the self-contained in-ear what noise generators on the market (http://www.earplugstore.com/newsound-ti ... asker.html) stem from the micro components found therein.


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PostPosted: 27 Dec 2016, 17:56 
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Joined: 09 Oct 2012, 19:43
Posts: 299
Location: Vancouver Canada
Attachment:
BTHEAD1.png
I look at the link you added. Small is right! If wireless would do the Bluetooth family has much to offer at a price that would buy a box-full at those prices.


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