[78-L] A doubt about EQ curves

[David Lennick]

http://www.freemosquitoringtones.org/hearing_test/

Wow..I can hear 8k, I can hear 10k, but beyond that, I'd better stick with Sammy K.

dl

On 10/15/2011 4:36 PM, Graham Newton wrote:
> Kristjan Saag<saag at telia.com>  wrote:
>
>> Many of us who work with audio restauration or audio distribution in one
>> way or another are close to or above the age level when progressive
>> hearing loss sets in. 30 to 35 percent of adults between the ages of 65
>> and 75 have some hearing loss, usually affecting higher frequencies.
> <snip>
>> As long as our audience is our age there's no problem: the listeners
>> hear what we hear and are happy with that. But what about younger
>> audiences? And our younger colleagues? Could it be that the age factor
>> is involved in some of those "insensitive" transfers that we complain
>> about every now and then? And what about our own changes in hearing? Has
>> anyone of you thought of "compensating" for the increasing difficulty to
>> hear higher frequencies when doing restauration work?
>
> Robert M. Bratcher Jr.<rbratcherjr at yahoo.com>  wrote:
>
>> I'm 55 now&  haven't been to an audioauligist for years but then as far as
>> I know I can hear normally for a person of my age. On the other hand my
>> computer speakers seem to drop off at around 13.5 kiloherts when I've run
>> an audio sweep test on them with the graph on my computer moniter. The
>> question is, is that my hearing (with whatever earwax is there) or is that
>> where my computer speakers start to really drop off? I don't know.
>
> and joe salerno<neechevoneeznayou at gmail.com>  wrote:
>
>> I am not aware of having suffered any hearing loss.
>
> and further he said...
>> Another way of cleaning out the ears is called ear candling.
>
> and Malcolm Rockwell<malcolm at 78data.com>  wrote:
>> Spend some money and get a GOOD hearing test (not from someone trying to
>> sell you a hearing aid! Their parameters are not broad enough for true
>> audio applications). They'll plot your hearing loss EQ curve.
>
> Referring to the above comments here are a few of mine:
>
> Kristjan is pretty well "on the money"
>
> If Robert has not had his hearing professionally tested, then he can't be sure
> because people often aren't really aware of their declining hearing as they
> age.  It is a very slow insidious process.
>
> Joe is not aware for the same reason as Robert.
>
> Oh yes, ear candling is worthless and is grade "A" number one QUACKERY designed
> to separate you from your money.  Ask any competent medical Doctor, preferably
> an ENT Doctor.
>
> Malcolm nails it.
>
>
> Here are a few more comments relating to Kristjan's question:-
>
> Fortunately living in Canada, I get the benefit of our health care system, so
> my MD can order hearing tests at reasonable intervals (which he does) and it
> doesn't cost me anything.  Even if it did cost me, I would invest in it.
>
> Given that I am 68 years old, and having recognized by testing that my hearing
> is not what it was years ago, I use a number of methods to confirm what is
> happening with the restoration processing work that I do.
>
> CEDAR's Cambridge processes incorporate a very good and versatile Spectrum
> Display which I make good use of, as well as a DK Audio MSD-200 audio display.
>    Using these, or similar, tools you can see what good balanced sound should
> look like, and this will prevent you from "over" or "under" doing it when it
> comes to applying equalization which is probably the most important part of the
> audio restoration process.
>
>
>
>
>
>
>
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