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  1. #2001
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    Nov 2007
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    499
    Hi Mariss,
    Would you allow me to ask you an electronic question? Spouse is almost deaf and he has these headphones and they really help him hear the TV. Unfortunately there is no balance control. Most people lose hearing unequally in their ears. Most headphones assume equal hearing loss in each ear. Ergo, no balance control. Could you recommend a pot that would work as a balance control for a pair of headphones?
    Thanks,
    xyzdonna

  2. #2002
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    Dec 2005
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    1408
    Quote Originally Posted by fizzissist View Post
    By the Associated Press
    "The Arctic ocean is warming up, icebergs are growing scarcer and in some places the seals are finding the water too hot, according to a report to the Commerce Department yesterday from Consul Ifft, at Bergen, Norway.
    ."


    Whoa!! Scary!! Unprecedented!!!
    Yeah, real scary. Real unprecedented. From November 2, 1922
    Dear fizzissist,

    Thank-you so much for that. I break into laughter on the way to work. No higher praise.

    Best wishes,
    Martin

  3. #2003
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    Jan 2005
    Posts
    2010
    Quote Originally Posted by xyzdonna View Post
    Hi jhowelb,
    I hope you're feeling better. You are missed, nobody does as good a job of putting me down as you do. Get well soon, I miss your insults!
    Take care,
    xyzdonna
    http://www.cnczone.com/forums/images...es/devious.gif
    :devious:
    PS: I've learned to use the little emoticons, aren't you proud of me!
    Finally something familiar enough to give me hope that I haven't lost my mind.

    Going to try again to take myself to the Doctor tomorrow. Last time the couldn't accommodate me with all this lung edema and still 102*temp. Should be folks right up your alley, National Health Services.

    If they won't see me tomorrow I'll have my wife take me to the County hospital tomorrow night when she gets back form Sacramento.

    That should be a good enough glimpse of personal misery to warm the heart of any liberal.
    “ In questions of power, let no more be heard of confidence in man, but bind him down from mischief by the chains of the Constitution.” Thomas Jefferson

  4. #2004
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    Apr 2006
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    3206
    Quote Originally Posted by xyzdonna View Post
    ............ Most headphones assume equal hearing loss in each ear. Ergo, no balance control. Could you recommend a pot that would work as a balance control for a pair of headphones?
    Thanks,
    xyzdonna
    I'll check into a cheap (AND good) box you can plug the headphones into....till then, if you're into building your own, this might help with some of the technical issues.

    http://sound.westhost.com/project01.htm#top

    You're right, our hearing isn't equal, and hearing failure as we (me included) age not only isn't linear, it fails at a higher rate/octave as you get older in the higher frequencies. (yeah, I know that's grammatically redundant)

    These guys have some good ideas for headphones along with some pretty simple circuitry...
    http://www.headwize.com/faqs.htm#access

    If you're considering hooking the headphones up directly to speaker outputs on an amp....don't. Here's some guys discussing why it's problematic....
    http://www.hydrogenaudio.org/forums/...2&#entry310062

    One solution might be to run a second TV audio feed into a dedicated amp/receiver where you can control the balance, and without loudspeakers, no one will care. He can crank it up and EQ it all he wants without driving the dog nuts.

  5. #2005
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    Nov 2007
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    499
    Quote Originally Posted by jhowelb View Post
    Finally something familiar enough to give me hope that I haven't lost my mind.

    Going to try again to take myself to the Doctor tomorrow. Last time the couldn't accommodate me with all this lung edema and still 102*temp. Should be folks right up your alley, National Health Services.

    If they won't see me tomorrow I'll have my wife take me to the County hospital tomorrow night when she gets back form Sacramento.

    That should be a good enough glimpse of personal misery to warm the heart of any liberal.
    Hi jhowelb,
    I am so sorry, must be the flu. Drink lots of liquids, chicken soup and bed rest. There is an ativirul drug "amantadine", for influenza A type flu virus. I've use it in the past with good results. I wish I had told you about it before, it's best used at the first signs of virus. Do get well soon, you are missed!
    Take care,
    xyzdonna
    PS: You need a flu shot every year, with your being on oxygen!

  6. #2006
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    Nov 2007
    Posts
    499
    Quote Originally Posted by fizzissist View Post
    I'll check into a cheap (AND good) box you can plug the headphones into....till then, if you're into building your own, this might help with some of the technical issues.

    http://sound.westhost.com/project01.htm#top

    You're right, our hearing isn't equal, and hearing failure as we (me included) age not only isn't linear, it fails at a higher rate/octave as you get older in the higher frequencies. (yeah, I know that's grammatically redundant)

    These guys have some good ideas for headphones along with some pretty simple circuitry...
    http://www.headwize.com/faqs.htm#access

    If you're considering hooking the headphones up directly to speaker outputs on an amp....don't. Here's some guys discussing why it's problematic....
    http://www.hydrogenaudio.org/forums/...2&#entry310062

    One solution might be to run a second TV audio feed into a dedicated amp/receiver where you can control the balance, and without loudspeakers, no one will care. He can crank it up and EQ it all he wants without driving the dog nuts.
    Thanks fizzissist,
    Very helpful solutions. I'm researching them now.
    I do appreciated your help,
    Take care,
    xyzdonna

  7. #2007
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    Jan 2005
    Posts
    2010
    Quebec children get holiday as snow piles on roofs
    Reuters - Tuesday, March 18

    MONTREAL - Several dozen schools were expected to remain shut this week in the Canadian province of Quebec over fears their roofs may collapse under the weight of near record amounts of snow, officials said on Monday.

    Administrators at Montreal's French-language school board said only 73 of the roughly 200 schools shut since Friday will reopen on Tuesday.

    Some of the others may not open until after the four-day Easter weekend, which begins Friday.

    "The objective, of course, is to open the maximum of schools but at the same time to proceed carefully because we want there to be zero risk," school board president Diane de Courcy told reporters.

    All told, 90,000 students have been out of school in the Montreal area since Friday.

    Primary and secondary schools and adult education centres will reopen only once their roofs have been cleared of snow and the buildings have been inspected for structural safety, de Courcy said.

    Four people have been killed in the mainly French-speaking Canadian province of 7.6 million after roofs collapsed under the weight of accumulated snow, though none of the incidents involved schools.

    In Shawinigan, about 150 kilometres northeast of Montreal, a 55-year-old man died on Saturday when the roof of his home collapsed.

    Three women were killed in Morin Heights north of Montreal last Wednesday when part of a food warehouse roof caved in under the weight of snow.

    To date, some 350 centimetres of snow has fallen in the Montreal area, approaching a record level of 383 centimetres set in 1971.

    Despite periods of rain over the past few weeks, some school roofs have three meters of accumulated snow, school board officials said. About 300 workers were using shovels, scoops and even chainsaws to cut through the snow and ice.

    There has been even more snowfall in Quebec's outlying areas. The Mont Orford ski hill about 120 kilometres to the east of Montreal has had 527 centimetres of snowfall since the beginning of the season.
    “ In questions of power, let no more be heard of confidence in man, but bind him down from mischief by the chains of the Constitution.” Thomas Jefferson

  8. #2008
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    Apr 2006
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    3206
    Quote Originally Posted by jhowelb View Post
    Quebec children get holiday as snow piles on roofs
    Reuters - Tuesday, March 18

    To date, some 350 centimetres of snow has fallen in the Montreal area, approaching a record level of 383 centimetres set in 1971.
    hmmm....383cm in '71 (when we were entering into an ice age)....350cm in '08

    Could this be well within the realm of natural variability???

  9. #2009
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    12177
    Quote Originally Posted by fizzissist View Post
    hmmm....383cm in '71 (when we were entering into an ice age)....350cm in '08

    Could this be well within the realm of natural variability???
    Of course! Anything Mother Nature does is within the range of natural variability....by definition.

    Even if it is caused by human activity this holds true because we are children of nature. Unless you believe Erik von Daniken and think we are all space aliens.
    An open mind is a virtue...so long as all the common sense has not leaked out.

  10. #2010
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    2010
    Quote Originally Posted by fizzissist View Post
    hmmm....383cm in '71 (when we were entering into an ice age)....350cm in '08

    Could this be well within the realm of natural variability???
    Absolutely, which leaves "control" meaning control of peoples FINANCES!
    “ In questions of power, let no more be heard of confidence in man, but bind him down from mischief by the chains of the Constitution.” Thomas Jefferson

  11. #2011
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    3206
    Quote Originally Posted by Geof View Post
    Of course! Anything Mother Nature does is within the range of natural variability....by definition.

    Even if it is caused by human activity this holds true because we are children of nature. Unless you believe Erik von Daniken and think we are all space aliens.
    Or LRon H...Whose followers are mostly "spaced aliens".

  12. #2012
    Quote Originally Posted by xyzdonna View Post
    Hi Mariss,
    Would you allow me to ask you an electronic question? Spouse is almost deaf and he has these headphones and they really help him hear the TV. Unfortunately there is no balance control. Most people lose hearing unequally in their ears. Most headphones assume equal hearing loss in each ear. Ergo, no balance control. Could you recommend a pot that would work as a balance control for a pair of headphones?
    Thanks,
    xyzdonna
    xyzdonna,

    I just now saw your question. The very simplest solution would require 1 trimpot, 1 stereo output jack socket and 1 stereo input jack.

    Identify which channel (Left or Right) the better ear gets. Get a 100 Ohm trimpot, take the CCW end of the pot to that channel output, the CW end of the pot to GND and the pot wiper to that channel's output jack socket. The other channel (for the impaired ear) connects directly from the input to the output jack.

    The idea is to attenuate the sound (turning the trimpot) going to the good ear so that its level matches the perceived level on the bad ear.

    Because hearing loss isn't equal with frequency (most people still hear bass OK but have real trouble with treble), a graphic equalizer with an amplifier on the bad ear is probably a more satisfactory solution.

    Mariss

  13. #2013
    Join Date
    Oct 2004
    Posts
    118
    Xyz

    Generally I believe its unequal due to
    A. wind noise ,ear by open window while driving
    B.Rifle report
    c. I'm sure there has to be others I just know the first two


    evil answer:devious:
    has he been checked by a doctor ? :idea:
    Or like us, perhaps ,he is ignoring you.

    And saying its uneven is to throw you off.:rainfro:
    Dang I'd still be married if I thought about special headphones. :wee:

    Sorry
    had to
    those darn voices
    don't cha know.:argue:
    They told me post or no sleep :stickpoke

    Peace (group)
    or pieces (flame2)

    :batave:bat:

  14. #2014
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    Apr 2006
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    3206
    I'm gonna sway from dreaming of setting up my hot-rodded Mac 60's, Paracas pre-amp, Empire 598 MkIII with Stanton 681EE, and doing some critical listening as a result of the audio bent this thread has taken....and post something ever so slightly on-topic from Michael Crichton I just found out about (compliments of an actual atmospheric physicist).

    Historically, the claim of consensus has been the first refuge of scoundrels; it is a way to avoid debate by claiming that the matter is already settled. Whenever you hear the consensus of scientists agrees on something or other, reach for your wallet, because you're being had.
    Let's be clear: the work of science has nothing whatever to do with consensus. Consensus is the business of politics. Science, on the contrary, requires only one investigator who happens to be right, which means that he or she has results that are verifiable by reference to the real world. In science consensus is irrelevant. What is relevant is reproducible results. The greatest scientists in history are great precisely because they broke with the consensus. There is no such thing as consensus science. If it's consensus, it isn't science. If it's science, it isn't consensus. Period.

    --Michael Crichton

  15. #2015
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    Dec 2005
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    Quote Originally Posted by fizzissist View Post
    Consensus is the business of politics.
    Dear fizzissist,

    Errrgh? Not in the last couple of hundred posts here...

    Best wishes,

    Martin

  16. #2016
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    Jul 2005
    Posts
    12177
    If you scroll down the page you will find a list of "similar threads".

    Here are two from the list:

    Similar Threads
    Thread Thread Starter Forum Replies Last Post
    How to change Tool change position(About MAZATROL T1 control)

    In the

    Mazak, Mitsubishi, Mazatrol

    Forum

    And

    V4 coming up

    In the

    Steam Engines Forum.


    Can anyone tell me how these are similar? Please?
    An open mind is a virtue...so long as all the common sense has not leaked out.

  17. #2017
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    Nov 2007
    Posts
    499
    Quote Originally Posted by Mariss Freimanis View Post
    xyzdonna,

    I just now saw your question. The very simplest solution would require 1 trimpot, 1 stereo output jack socket and 1 stereo input jack.

    Identify which channel (Left or Right) the better ear gets. Get a 100 Ohm trimpot, take the CCW end of the pot to that channel output, the CW end of the pot to GND and the pot wiper to that channel's output jack socket. The other channel (for the impaired ear) connects directly from the input to the output jack.

    The idea is to attenuate the sound (turning the trimpot) going to the good ear so that its level matches the perceived level on the bad ear.

    Because hearing loss isn't equal with frequency (most people still hear bass OK but have real trouble with treble), a graphic equalizer with an amplifier on the bad ear is probably a more satisfactory solution.

    Mariss
    Thanks Mariss,
    I do appreciate your input. I'll try to get by the electrical parts house and pick up the 100 ohm trimpot today or tomorrow. I'll get one with an audio (logarithmic) taper. I just had no idea what the value should be. Mount the whole shmoo in a little box with jacks and I'm all set.
    Take care,
    xyzdonna

  18. #2018
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    Nov 2007
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    499
    Hi everybody,
    I just caught GM's Vice Chairman Bob Lutz on TV talking about global warming. His contention was that since their Chevrolet Volt ran on battery power it didn't use fuel. Now surely he knows better than that. Whether or not it adds CO2 to the atmosphere depends on whether his power company burns coal, oil or natural gas. I suppose if the power company that supplied the power to charge the Volt were nuclear powered, then it wouldn't contribute any CO2 to the atmosphere.
    He also contended that climatologists are divided over the CO2 GW effect. I think that is true. From what I see, quite a few scientists are questioning the link between CO2 and GW. He has a blog if anyone is interested. http://fastlane.gmblogs.com/archives...product_1.html
    Take care,
    xyzdonna

  19. #2019
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    Jan 2005
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    2010
    Quote Originally Posted by xyzdonna View Post
    Hi everybody,
    I just caught GM's Vice Chairman Bob Lutz on TV talking about global warming. His contention was that since their Chevrolet Volt ran on battery power it didn't use fuel. Now surely he knows better than that. Whether or not it adds CO2 to the atmosphere depends on whether his power company burns coal, oil or natural gas. I suppose if the power company that supplied the power to charge the Volt were nuclear powered, then it wouldn't contribute any CO2 to the atmosphere.
    He also contended that climatologists are divided over the CO2 GW effect. I think that is true. From what I see, quite a few scientists are questioning the link between CO2 and GW. He has a blog if anyone is interested. http://fastlane.gmblogs.com/archives...product_1.html
    Take care,
    xyzdonna
    Donna, finally words coming out of you that make sense! There is hope for you after all, I am impressed!
    All but the nukes will produce co2.. Another co2 free (kinds of) is hydroelectric, you know, like all those dams the eco-nuts want to blow up in the North West?

    I also have trouble with tv sound. When I can hear, everyone else has to move over two counties. The solution, if you can find it is simple. An fm transmitter and wireless earphones, as for ipod. Cheap, battery powered and mobile.
    “ In questions of power, let no more be heard of confidence in man, but bind him down from mischief by the chains of the Constitution.” Thomas Jefferson

  20. #2020
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    “ In questions of power, let no more be heard of confidence in man, but bind him down from mischief by the chains of the Constitution.” Thomas Jefferson

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