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Thread: US scientists realise “Motorcycle noise can cause hearing threat”

  1. #31
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    Quote Originally Posted by toads
    Eh??? What you say???, seriously I have noticed my husband has a bit of industrial deafness and I have had a hearing problem most of my life, hearing is very easily lost and not easily regained, earplugs are cheap and effective.
    Thats not industrial deafness, thats wife deafness

  2. #32
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    Quote Originally Posted by jrandom
    What would it take to build a kid's bedroom with 100dB of effective noise damping between it and the outside hallway?

    I'm deadly serious, by the way...
    large amounts of concrete, sealant, and several steel doors!

    Alternatively, get some improvement by replacing the door with a solid core one (every normal residential house/apartment in NZ gets crappy internal walls and 'whaafer' thin hollowcore doors), adding two lots of Raven RP 2 seals around the door frame and putting an RP 8 automatic seal in the bottom. (Mitre 10 stock them and they're not that pricey)

    Once you've done that, think about adding some more layers of plasterboard to the kids walls and ceiling... or pulling the walls down and replacing them with 150 staggered studs and putting some fibreglass/polyester batts in the cavity.

  3. #33
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    Quote Originally Posted by jrandom
    What would it take to build a kid's bedroom with 100dB of effective noise damping between it and the outside hallway?

    I'm deadly serious, by the way...
    Try double glazing or tripple glazing... we put that the new double glazing up on a mountain hut with plenty of insulation, and locked our mates out by accident and couldn't hear them yelling trying to get back in...

  4. #34
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    Quote Originally Posted by thehollowmen
    Try double glazing or tripple glazing... we put that the new double glazing up on a mountain hut with plenty of insulation, and locked our mates out by accident and couldn't hear them yelling trying to get back in...
    I don't want to watch them through a window from the hallway. And I don't care if they bother the neighbours across the road. I just want to be unable to hear them yelling at each other at 6am.
    kiwibiker is full of love, an disrespect.
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  5. #35
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    Quote Originally Posted by Coldkiwi
    large amounts of concrete, sealant, and several steel doors!
    Mmm. Concrete.

    Quote Originally Posted by Coldkiwi
    Alternatively, get some improvement by replacing the door with a solid core one (every normal residential house/apartment in NZ gets crappy internal walls and 'whaafer' thin hollowcore doors), adding two lots of Raven RP 2 seals around the door frame and putting an RP 8 automatic seal in the bottom. (Mitre 10 stock them and they're not that pricey)

    Once you've done that, think about adding some more layers of plasterboard to the kids walls and ceiling... or pulling the walls down and replacing them with 150 staggered studs and putting some fibreglass/polyester batts in the cavity.
    Sigh.

    By the time I can afford that, they'll be old enough to remember the threats about what will happen if they disturb me...
    kiwibiker is full of love, an disrespect.
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  6. #36
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    Quote Originally Posted by jrandom
    Hmmm. I always thought HF was the first thing to go, and the main cause of not being able to differentiate sources as described by celticno6...
    I'm not too sure if it's loss of High Frequency.

    I've had my hearing tested many times, as I started touring the country in rock bands from the age of 13 (nearly 25 years ago), and my hearing was always a concern, particularly given some of the stuff I used to do to it.

    On my hearing tests I have always and continue to score well. The thing with the hearing tests, is that they only give you ONE tone at a time, and I can hear that fine, all the way up to about 15,000 Khz, so there's a bit of HF loss, but not as bad as you'd expect, and I can certainly pick out high frequency sounds.

    My hearing problem seems to be about the 5khz range, which is midrange. Also seems to be the range of human voices and guitars as well.

    Maybe its 25 years of standing in front of Marshall stacks has caused damage in this part of the range, rather than high frequency. I guess I should read some old interviews with Pete Townshend - he seems to have similar hearing loss to me, but just more so.

    Then again, he used to stand in front of 30 Marshall stacks, not 1 or 2...
    And I to my motorcycle parked like the soul of the junkyard. Restored, a bicycle fleshed with power, and tore off. Up Highway 106 continually drunk on the wind in my mouth. Wringing the handlebar for speed, wild to be wreckage forever.

    - James Dickey, Cherrylog Road.

  7. #37
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    Just found this too:

    Diabetes in itself is a nasty problem and the ear is particularly sensitive to anything related to circulation. As a consequence, diabetics are frequently the victims of sudden changes in hearing levels as a result of interruptions in the circulation to the ear. Tinnitus (head noises such as ringing) are most usually a symptom of some degree of hearing loss. It is often a sort of spontaneous firing of damaged hearing nerves much like the itching and throbbing related to injury to nerves of touch.
    And I to my motorcycle parked like the soul of the junkyard. Restored, a bicycle fleshed with power, and tore off. Up Highway 106 continually drunk on the wind in my mouth. Wringing the handlebar for speed, wild to be wreckage forever.

    - James Dickey, Cherrylog Road.

  8. #38
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    Wow. I've just found a whole stack of info suggesting a correlation between diabetes and hearing loss.

    I guess I really haven't done my hearing any favours.
    And I to my motorcycle parked like the soul of the junkyard. Restored, a bicycle fleshed with power, and tore off. Up Highway 106 continually drunk on the wind in my mouth. Wringing the handlebar for speed, wild to be wreckage forever.

    - James Dickey, Cherrylog Road.

  9. #39
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    Quote Originally Posted by jrandom

    Sigh.

    By the time I can afford that, they'll be old enough to remember the threats about what will happen if they disturb me...
    Don't be so cheap! Those RP2 seals are only a couple of bucks a metre and the only vaguely costly bit would be the solid door... and I'm sure you could find a suitable one at a demo place that you could cut, paint and hang for not too much at all. You'd be really surprised how much sound will be coming out that door and fitting a door bottom seal ($40 or somat) will really make a difference. It'd only take a few hours to cut, paint and hang the door too.

    Typical... people complain about the noise but don't want to pay to fix it up! okey: (Thats why I don't mind that residential people with complaints generally don't come to us for advice!)

  10. #40
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    :spudguita

    Quote Originally Posted by celticno6
    Pete Townshend
    Who?
    kiwibiker is full of love, an disrespect.
    - mikey

  11. #41
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    Quote Originally Posted by Coldkiwi
    Don't be so cheap!
    I'm not.

    Before I can do any of the above, I have to buy a house to do it to. But it's comforting to know that it's possible.

    Quote Originally Posted by Coldkiwi
    Typical... people complain about the noise but don't want to pay to fix it up!
    No, of course not. That's the gubmint's job.
    kiwibiker is full of love, an disrespect.
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  12. #42
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    Quote Originally Posted by jrandom
    :spudguita



    Who?
    Not bad...
    And I to my motorcycle parked like the soul of the junkyard. Restored, a bicycle fleshed with power, and tore off. Up Highway 106 continually drunk on the wind in my mouth. Wringing the handlebar for speed, wild to be wreckage forever.

    - James Dickey, Cherrylog Road.

  13. #43
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    Quote Originally Posted by celticno6
    Wow. I've just found a whole stack of info suggesting a correlation between diabetes and hearing loss.

    I guess I really haven't done my hearing any favours.
    My father was a diabetic, and didn't have too many problems with his hearing, but not managing his diabetes very well stuffed his eyesight. Then medication he was on in hospital wrecked his hearing, very rapidly.
    ... and that's what I think.

    Or summat.


    Or maybe not...

    Dunno really....


  14. #44
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    Quote Originally Posted by pete376403
    I can be fixed (sort of), the implant will be done in November but it's expensive - $48,000 (one side only) Makes ear plugs at $4 or so a set look pretty cheap.
    Having gone to many, many raves (Hard House/Drum n Bass) i've tried many different earplugs, including rolled up toilet paper and cotton wool (BTW the last 2 are not adviseable )
    Yes spending $4 on ear plugs is definitely better than losing your hearing, but getting the wrong type of earplugs can actually damage your ears also.

    There are some ear plugs that are sorta designed like Xmas trees made out of _durable_ plastic. Designers build them for one size fits all, when we all know that this is almost never true. If you have a small earhole, jamming a big earplug in is going to be almost as damaging as having a big earhole and losing it in there.
    Tony's Tyre service handed their workers a similar type of these and they seem to have been made from a softer plastic, therefore more flexible with the ear hole. The most effective _I've_ ever used.

    You can also get foam, gel and different type of plastic earplugs.

    But from all of this I stick to the old granny saying, "Don't stick anything in your ear that's smaller than your elbow."
    I use headphones now or limit loud sounds as much as possible. Sometimes just wearing a beannie over my ears under my helmet, muffles the noise a lot.

    I also seem to remember that babbies crying is a decibel than a motorcyle engine running. But I suppose that depends on the kid and the bike
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  15. #45
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    Quote Originally Posted by dhunt
    Have a look at this link. This talks about it.
    http://www.msgroup.org/TIP150.html
    Good article.

    What is this James R. Davis anyway? Doctor, journalist or scientist?
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