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Bonephones: bone conduction headsets anyone?

post #1 of 24
6/28/08 at 2:09pm
Thread Starter 
Hello,

I came across an interesting contraption much like headphones but they utilise another way of reproducing sound for human perception - not dynamic drivers, not electrostats, not orthodynamic, not balanced armatures. Check it out!

Bone Conduction Headsets ("Bonephones")

I'm skeptical of its high-fidelity capabilities - but from a practical point of view, it could be useful - listening to music underwater, ears aren't obstructed, etc.

Interested on everybody's take on this.. and if anybody has had experience with one..
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post #2 of 24
6/28/08 at 2:21pm
what makes you think that they're not using dynamic drivers?
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post #3 of 24
6/28/08 at 3:59pm
Put your phones on your bone! Sorry, couldn't resist.
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post #4 of 24
6/29/08 at 2:40am
Thread Starter 
Quote:
Originally Posted by ericj View Post
what makes you think that they're not using dynamic drivers?
Well, from what I've read they reproduce sound signals by means of physical vibrations which is transferred onto and conducted by our bones.
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post #5 of 24
6/29/08 at 4:35am
AudioCubes carries this one, although it's sorely lacking in reviews.
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post #6 of 24
6/29/08 at 5:05am
give this a quick read

http://www.audiocubes.com/product_re...eadphones.html

http://www.audiocubes.com/product_re..._Headband.html
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post #7 of 24
6/29/08 at 5:18am
Thread Starter 
The TEAC sounds interesting..

Anyone willing to lash out $650 for them? With the money you can get a decent dynamic set-up..
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post #8 of 24
6/29/08 at 5:22am
Thread Starter 
A cheaper alternative to the $650 Teac.... a $500 Teac!

AudioCubes.com - TEAC HP-F200 Filltune HiFi Bone Conducting Headphones
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post #9 of 24
6/29/08 at 5:51am
wasn't there a thread a few months ago about bone conducting headsets leading to some sort of bone marrow cancer or something along those lines?
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post #10 of 24
6/29/08 at 7:49am
More informantion (advertisement) by Teac on their $650 Filltune HP-100:

TEAC Filltune HP-F100 | Data Storage | Headphones
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post #11 of 24
6/30/08 at 12:46am
I wonder if you can then crank up the tunes without hearing damage? Or if it would be better for people already experiancing some damage? How does it sound amped?
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post #12 of 24
6/30/08 at 1:07am
i used a pair of cheap one in biccamera that were about 7000-8000 en and they: ... i could not hear them unless i plugged my ears. then, when i plugged my ears, there was music. it was very strange and i felt a bit like dr. gaius baltar whispered into by the lovely six.

but she was not there and as soon as i let go of the ears, i could not hear the music.

these were cheap phones though so im sure that had much to do with it.
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post #13 of 24
6/30/08 at 2:03am
Quote:
Originally Posted by onvn View Post
Well, from what I've read they reproduce sound signals by means of physical vibrations which is transferred onto and conducted by our bones.

Right. And they use a conventional transducer to do it. Most of them a moving-coil transducer that bears a striking resemblance to a dynamic driver.

As for the Teac Filltune HP-F100, we have one review in this thread where head-fi user fungi states:

Quote:
Originally Posted by Fungi View Post
I've listened to the Teac thing in Japan, and it was pretty neat, but nothing I'd call hi-fi sound.
fwiw, I've read a couple places that the frequency response of bone conduction transducers riding on your skin (rather than bolted straight to bone) drops off sharply above about 4khz.
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post #14 of 24
6/30/08 at 2:05am
I heard they sound better if you cryo-treat your bones.
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post #15 of 24
6/30/08 at 2:57am
Thread Starter 
Quote:
Originally Posted by ericj View Post
Right. And they use a conventional transducer to do it. Most of them a moving-coil transducer that bears a striking resemblance to a dynamic driver.
Sure. But I was just referring to the typical dynamic transducer found in the typical dynamic headphones. I wasn't speaking technically - cos I'm not a technical kinda person

Quote:
Originally Posted by ericj View Post
fwiw, I've read a couple places that the frequency response of bone conduction transducers riding on your skin (rather than bolted straight to bone) drops off sharply above about 4khz.
That's an interesting point. I was wondering if possibly, there might be too much factors at play with bone conduction which can create sound differences and/or problems - such as the skin, bone density, bone structure, etc.
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