Future ham gear, given our advancing ages, should include: -larger and single function buttons for Parkinsons folks, and
everyone else, too. -high freq audio boost and eq. and "balance" control to feed more to one ear than the other. -footswitch option is easy to add (feet work, hands do not). -LARGE dial and large clear-contrast print on sw labels. -Big RTTY/data readout on front pannel for those that can not hear much anymore or for those whose speech is now impaired. -Lots of automatic functions for often-repeated items. Notice now few of these factors are on the K3, sad to say. 73, Charles Harpole [EMAIL PROTECTED] > From: [EMAIL PROTECTED] > To: [EMAIL PROTECTED] > Subject: Re: [Elecraft] Sound perception > Date: Tue, 4 Nov 2008 20:00:58 +0000 > CC: [email protected] > > On Nov 4, 2008, at 6:12 PM, Jim Miller wrote: > >> IMHO, Sound perception is probably one of the most variable things >> of all. For instance, MY hearing is 10 dB down up to about 1500 Hz >> and by 1700 Hz it is 50 dB down for the remainder of the spectrum. >> I asked the audiologist what was considered totally deaf - she said >> 70 dB was deaf. (and I thought I could hear just fine, almost, >> except for my wife (higher frequency and softer voice)and I didn't >> need to hear her anyway, LOL) >> >> Does anyone think the way I adjust my audio would be the same as the >> way they like it. I doubt it. Trying to answer a question of what >> is the best for audio for any one person OR situation is virtually >> impossible. >> >> I do use the original Heil headset with the HC4 element and the >> original Goldline with the HC5 and full-range elements. > > Well, there are two parts to this. One is a function of frequency > response and the other is a function of distortion products. Many of > us are suffering from varying degrees of hearing loss. I suffer from > tinnitus (ringing of the ears) which can mask some of the high- > frequency content from the voice, usually women's voices. (My wife > occasionally accuses me of selective hearing. :-) Anyway, I do benefit > from using headphones and providing a bit of a boost to the higher > frequencies, e.g. starting at around 1KHz with boost increasing to > around +6dB at 3KHz. You can make this sort of improvement with a > graphical or parametric equalizer. (I prefer parametric myself but > they are hard to come by.) > > Distortion products typically impart either a "warm, fat sound"; i.e. > low order, mostly 2nd harmonic; or a "hard, edgy sound"; i.e. high > order. Either can obscure readability to some extent. One of the > reasons the old tube rigs were so pleasant to listen to is because > they had almost no high-order distortion. It was almost all 2nd and a > touch of 3rd. I could listen to my Hammerlund HQ-180X all day and all > night very happily with no ear fatigue. > > If you suffer from that hard, edgy, fatiguing sound, try stealing the > signal before it gets to the built-in audio amp and feed it to a good > hi-fi amp to see what you hear. Get the signal right from the detector > if you can. It can make a *huge* difference. (My experience is that > most manufacturers of ham gear really skimp on the quality of the > audio chain.) > > Brian Lloyd > Granite Bay Montessori School 9330 Sierra College Bl > brian AT gbmontessori DOT com Roseville, CA 95661 > +1.916.367.2131 (voice) +1.791.912.8170 (fax) > > PGP key ID: 12095C52A32A1B6C > PGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 5C52 A32A 1B6C > > > > > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
