Question:
Hi Robin- I found a website which suggests human hearing ranges up to 20,000 Hz: http://ccms.ntu.edu.tw/~karchung/Phonetics%20II%20page%20fourteen.htm However, I have to admit I probably can’t hear above about 11,000 Hz even in my ‘good’ ear. Carl "Robin" <Nos…@attbi.com> wrote in message
news:iDxqa.96907$Si4.74790@rwcrnsc51.ops.asp.att.net… – Hide quoted text — Show quoted text -> It is possible that the Freq. Generator is generating a harmonic to your > tone as well and you are reacting to that. 12,500 is high indeed. In fact I > "believe" it is extremely close to the edge of perceived hearing for most > folks > Robin > "ShrkAtty" <shrka…@aol.com> wrote in message > news:20030426014852.22022.00000134@mb-m11.aol.com… > > >"Martin" wrote in message > > >> On Sat, 26 Apr 2003 03:24:41 GMT, "Carl Dirk" <cdi…@elp.rr.com> > > >> wrote: > > >> >I am curious what other peoples T sounds like? > > >> If you go to the following link you can download a tone generator > > >> where you can place different values fro a range of frequencies. > > >> http://www.world-voices.com/software/nchtone.html > > >> Martin > > Good Lord! Is that tone generator anything close to accurate?? > > I started at 3000 Hz–coudn’t get a "match" until 12,500 Hz–I knew it was > > high-pitched but this is ridiculous! No wonder it cuts through everything > >
)) > > (And either I’ve got crappy speakers or I cant hear anything above 14,500 > > Hz–not that it much matters
> > RHaj
Response:
The best (most understandable?) explanation of T. I have read is similar to you what you wrote, Terri. That T. is caused by damage to the hair cells which, when damaged, send out erratic, flawed signals, which the brain perceives as T. Something like "phantom pain" that amputees feel. I guess that would explain why T. and hearing loss are related. <terri…@knowspam.mam> wrote in message
news:3eaaa9e4.8357073@news.warpnet.net… – Hide quoted text — Show quoted text -> On Sat, 26 Apr 2003 15:20:07 GMT, "Carl Dirk" <cdi…@elp.rr.com> > wrote: > >Terri- > >Since T started, I thought once late at night I heard faint music, but with > >noises in the neighborhood and from my kid’s rooms a possibility, I wasn’t > >sure. > >Carl > I would normally have been suspicious, but I can’t hear anything at > all without my hearing aid (except T). With my hearing aid, I am used > to hearing sounds that I can’t identify. Without the aid, I once > turned the TV volume up to the highest setting (60 on my TV) to see if > I could hear it, and I could just barely make out some sound going on. > I think it is just my mind trying to make sense out of the "noise" > which is sometimes all that T is – an input of some kind that your > mind is trying to interpret and interprets it as a sound. I also > considered the possibility that because it is on weekends only, maybe > my fillings are picking up a radio frequency like on Gilligan’s Island >
. > Terri > ><terri…@knowspam.mam> wrote in message > >news:3ea9fd78.7966887@news.warpnet.net… > >> On Sat, 26 Apr 2003 03:24:41 GMT, "Carl Dirk" <cdi…@elp.rr.com> > >> wrote: > >> >I would like to thank everyone who responded to my earlier message. > >> >I am curious what other peoples T sounds like? > >> >Early in the day mine is like a Cicada, but somewhat higher pitch. Later > >in > >> >the day, it is like listening to a gas flowing through a pipe at high > >speed, > >> >and later at night it usually is like a whistle. As the pitch goes up so > >> >does the intensity. > >> >Is all T high pitched? > >> >the source of mine is apparently a high speed dentist’s drill during some > >> >dental surgery to remove some bone in my jaw. My audiologist and ear > >doctor > >> >told me that in my left ear I have an increasing loss of most high > >frequency > >> >hearing above 3000Hz with a pronounced dip at 4000Hz. They said the > >> >acoustics of the ear required this have been cause by a sound at 6000Hz > >> >above 85db. I checked on the internet and found that dental drills have a > >> >sound peak at 6000Hz with 110db power, more than enough to cause the > >damage. > >> >Does this make sense? > >> >Thanks, Carl > >> For me it is cicadas, mostly. Today I hear almost no sound. A few > >> days ago, it sounded and felt like millions of them surrounded my > >> head. I’ve not heard a whistle and I don’t know what gas flowing > >> through a pipe sounds like because I am hearing impaired. > >> Some nights (weekends mostly) I get the faint sound of a far away > >> radio playing big band music in one ear. If I listen closely, I can > >> almost make out the melody which is fascinating because I can’t hear > >> anything out of that ear. Although it is very soft, the music is > >> quite "crisp" like an old transistor radio. Other nights, the music > >> sound is replaced by a very faint "electronic bug zapper" sound in > >> that ear. > >> In the other ear, I get some rather loud random clicks and pops on top > >> of the cicada sound and that is mostly in the daytime. I think I > >> notice all of it more at night because it is very quiet at home > >> compared to work and I am usually too busy to notice it when working. > >> When there is a low pressure weather system, the sounds in general get > >> louder. > >> Terri
Response:
>From: "Socket" >The best (most understandable?) explanation of T. I have read is similar to >you what you wrote, Terri. That T. is caused by damage to the hair cells >which, when damaged, send out erratic, flawed signals, which the brain >perceives as T. Something like "phantom pain" that amputees feel. I guess >that would explain why T. and hearing loss are related.
The bent-hair-cell theory has been around for about 30 years–it makes a certain amount of sense at the theoretic level. And it may actually account for some cases of hearing loss, but it does nothing to account for sudden-onset, "idiopathic" tinnitus–which I suspect are the majority of cases. And I have an opinion of "medical science" and some of its theories–but I’ll save that rant for a time when I’m feeling particularly surly
RHaj
Response:
shrka…@aol.com (ShrkAtty) wrote in part: >Well . . . this system is sort of "Jurassic." Small Advent speakers & a sound >card out of the dark ages. I thought maybe the program itself had an upper and >lower frequency limit–till I boosted the gain. . . .but I still can’t pick up >on anything below 75 Hz or above 14,500 Hz. I don’t know now if its my hearing >or an equipment limitation. I’m thinking the latter because I know I can hear >below 75 Hz (and there’s nothing over 14.5 kHz I would even WANT to hear >:-)))) >Anyone else notice this?? >RHaj
Equipment/testing limitations. Audiological testing is pretty demanding in terms of both equipment and quiet. — Jim Chinnis / Cambridge, Massachusetts, USA Want to discuss Meniere’s? See http://groups.yahoo.com/group/MenieresDG
Response:
NCH Tone/Waveform Generator is a great link. I’m curious does anyone else have any good links for free audio generating software or links to public domain audio files ? Any help would be appreciated. Sonny
Response:
On 26 Apr 2003 16:24:20 -0700, so…@buzzberg.com (Sonny) wrote: >NCH Tone/Waveform Generator is a great link. I’m curious does anyone >else have any good links for free audio generating software or links >to public domain audio files ? Any help would be appreciated. >Sonny
I must be missing something from your post. What type of audio files are you looking for? Terri
Response:
> I must be missing something from your post. What type of audio files > are you looking for? > Terri
Basically I’m looking for wav. files in the public domain or "free to use without obligation." Relaxation pieces, masking sounds, etc. A good idea has been discussed in various forums before about a "T" CD or CD’s being produced for cost. What I’m trying to do in my spare time is gather some resorces for this and get together what is/will be accumulated and make it availible freely via the web. Kinda like an open source, GNU thing. If I made any sense, it was shearly(sp?) by accident. Sonny
Response:
On 27 Apr 2003 01:05:28 -0700, so…@buzzberg.com (Sonny) wrote: >> I must be missing something from your post. What type of audio files >> are you looking for? >> Terri >Basically I’m looking for wav. files in the public domain or "free to >use without obligation." Relaxation pieces, masking sounds, etc. A >good idea has been discussed in various forums before about a "T" CD >or CD’s being produced for cost. What I’m trying to do in my spare >time is gather some resorces for this and get together what is/will be >accumulated and make it availible freely via the web. Kinda like an >open source, GNU thing. If I made any sense, it was shearly(sp?) by >accident. >Sonny
There’s a program that Capt Ron posted here over the summer that has those relaxation sounds that really helps when working on the computer. The author is Peter Hirschberg and the software is called Aire Freshener 2.0. I don’t have the url but that should be enough to help you locate it. I spent a lot of time looking for .wav files that were relaxation pieces. This is the closest I’ve come other than just little demos. I if you want to listen to it on a CD or something, I don’t know if that is possible. Terri
Response:
>From: "Carl Dirk" >I am not an expert, but there are two considerations, one is the frequency >synthesizer, and if you have a good sound card, audio frequencies should be >reasonably accurately rendered. The other issue is power. That program that >Martin pointed me to has the capability to adjust output in dB. It is much >more likely the power adjustments could be faulty for your equipment than >the frequency adjustments since the power will be more affected by the >capacitance and resistance characteristics of your circuitry.
Well . . . this system is sort of "Jurassic." Small Advent speakers & a sound card out of the dark ages. I thought maybe the program itself had an upper and lower frequency limit–till I boosted the gain. . . .but I still can’t pick up on anything below 75 Hz or above 14,500 Hz. I don’t know now if its my hearing or an equipment limitation. I’m thinking the latter because I know I can hear below 75 Hz (and there’s nothing over 14.5 kHz I would even WANT to hear
))) Anyone else notice this?? RHaj
Response:
Thanks Robin. I am learning that different people are hearing different things than me. I think mine is at my main hearing loss frequency of 4000Hz. At 4000hz, I can hear nothing in my left ear except the T, though I’ve lost a lot of high frequency hearing in the ear from 3000Hz on up. Carl "Robin" <Nos…@attbi.com> wrote in message
news:pAxqa.360918$OV.378255@rwcrnsc54… – Hide quoted text — Show quoted text -> If you want to know exactly what mine sounds like generate a tone that is > 5328 Hz. At that tone I am so close to it that it either feels like I have a > knife being slowly rotated in my head or it is completely gone depending on > whether it is in or out of phase with my head (wish I had that fine a > control to make it stay out) > If you are curious that is………… offering you a moment inside my head > from afar
> Robin > "Carl Dirk" <cdi…@elp.rr.com> wrote in message > news:u7nqa.12561$ac.855601@twister.austin.rr.com… > > Thanks Martin > > "Martin" <oh_brother_where_art_t…@yahoo.com> wrote in message > > news:rcvjav4ongh85h50rcra2c9usq7ho3vh6k@4ax.com… > > > On Sat, 26 Apr 2003 03:24:41 GMT, "Carl Dirk" <cdi…@elp.rr.com> > > > wrote: > > > >I am curious what other peoples T sounds like? > > > If you go to the following link you can download a tone generator > > > where you can place different values fro a range of frequencies. > > > http://www.world-voices.com/software/nchtone.html > > > Martin
Response:
On Sat, 26 Apr 2003 15:20:07 GMT, "Carl Dirk" <cdi…@elp.rr.com> wrote: >Terri- >Since T started, I thought once late at night I heard faint music, but with >noises in the neighborhood and from my kid’s rooms a possibility, I wasn’t >sure. >Carl
I would normally have been suspicious, but I can’t hear anything at all without my hearing aid (except T). With my hearing aid, I am used to hearing sounds that I can’t identify. Without the aid, I once turned the TV volume up to the highest setting (60 on my TV) to see if I could hear it, and I could just barely make out some sound going on. I think it is just my mind trying to make sense out of the "noise" which is sometimes all that T is – an input of some kind that your mind is trying to interpret and interprets it as a sound. I also considered the possibility that because it is on weekends only, maybe my fillings are picking up a radio frequency like on Gilligan’s Island
. Terri – Hide quoted text — Show quoted text -><terri…@knowspam.mam> wrote in message >news:3ea9fd78.7966887@news.warpnet.net… >> On Sat, 26 Apr 2003 03:24:41 GMT, "Carl Dirk" <cdi…@elp.rr.com> >> wrote: >> >I would like to thank everyone who responded to my earlier message. >> >I am curious what other peoples T sounds like? >> >Early in the day mine is like a Cicada, but somewhat higher pitch. Later >in >> >the day, it is like listening to a gas flowing through a pipe at high >speed, >> >and later at night it usually is like a whistle. As the pitch goes up so >> >does the intensity. >> >Is all T high pitched? >> >the source of mine is apparently a high speed dentist’s drill during some >> >dental surgery to remove some bone in my jaw. My audiologist and ear >doctor >> >told me that in my left ear I have an increasing loss of most high >frequency >> >hearing above 3000Hz with a pronounced dip at 4000Hz. They said the >> >acoustics of the ear required this have been cause by a sound at 6000Hz >> >above 85db. I checked on the internet and found that dental drills have a >> >sound peak at 6000Hz with 110db power, more than enough to cause the >damage. >> >Does this make sense? >> >Thanks, Carl >> For me it is cicadas, mostly. Today I hear almost no sound. A few >> days ago, it sounded and felt like millions of them surrounded my >> head. I’ve not heard a whistle and I don’t know what gas flowing >> through a pipe sounds like because I am hearing impaired. >> Some nights (weekends mostly) I get the faint sound of a far away >> radio playing big band music in one ear. If I listen closely, I can >> almost make out the melody which is fascinating because I can’t hear >> anything out of that ear. Although it is very soft, the music is >> quite "crisp" like an old transistor radio. Other nights, the music >> sound is replaced by a very faint "electronic bug zapper" sound in >> that ear. >> In the other ear, I get some rather loud random clicks and pops on top >> of the cicada sound and that is mostly in the daytime. I think I >> notice all of it more at night because it is very quiet at home >> compared to work and I am usually too busy to notice it when working. >> When there is a low pressure weather system, the sounds in general get >> louder. >> Terri
Response:
I would like to thank everyone who responded to my earlier message. I am curious what other peoples T sounds like? Early in the day mine is like a Cicada, but somewhat higher pitch. Later in the day, it is like listening to a gas flowing through a pipe at high speed, and later at night it usually is like a whistle. As the pitch goes up so does the intensity. Is all T high pitched? the source of mine is apparently a high speed dentist’s drill during some dental surgery to remove some bone in my jaw. My audiologist and ear doctor told me that in my left ear I have an increasing loss of most high frequency hearing above 3000Hz with a pronounced dip at 4000Hz. They said the acoustics of the ear required this have been cause by a sound at 6000Hz above 85db. I checked on the internet and found that dental drills have a sound peak at 6000Hz with 110db power, more than enough to cause the damage. Does this make sense? Thanks, Carl
Response:
On Sat, 26 Apr 2003 03:24:41 GMT, "Carl Dirk" <cdi…@elp.rr.com> wrote: >I am curious what other peoples T sounds like?
If you go to the following link you can download a tone generator where you can place different values fro a range of frequencies. http://www.world-voices.com/software/nchtone.html Martin
Response:
Thanks Martin "Martin" <oh_brother_where_art_t…@yahoo.com> wrote in message
news:rcvjav4ongh85h50rcra2c9usq7ho3vh6k@4ax.com… – Hide quoted text — Show quoted text -> On Sat, 26 Apr 2003 03:24:41 GMT, "Carl Dirk" <cdi…@elp.rr.com> > wrote: > >I am curious what other peoples T sounds like? > If you go to the following link you can download a tone generator > where you can place different values fro a range of frequencies. > http://www.world-voices.com/software/nchtone.html > Martin
Response:
Martin- I really want to thank you again. That tone generator was very useful. I was able to zero in on my frequency dip on my left side and its closer to 3800Hz Carl "Martin" <oh_brother_where_art_t…@yahoo.com> wrote in message
news:rcvjav4ongh85h50rcra2c9usq7ho3vh6k@4ax.com… – Hide quoted text — Show quoted text -> On Sat, 26 Apr 2003 03:24:41 GMT, "Carl Dirk" <cdi…@elp.rr.com> > wrote: > >I am curious what other peoples T sounds like? > If you go to the following link you can download a tone generator > where you can place different values fro a range of frequencies. > http://www.world-voices.com/software/nchtone.html > Martin
Response:
On Sat, 26 Apr 2003 03:24:41 GMT, "Carl Dirk" <cdi…@elp.rr.com> wrote: – Hide quoted text — Show quoted text ->I would like to thank everyone who responded to my earlier message. >I am curious what other peoples T sounds like? >Early in the day mine is like a Cicada, but somewhat higher pitch. Later in >the day, it is like listening to a gas flowing through a pipe at high speed, >and later at night it usually is like a whistle. As the pitch goes up so >does the intensity. >Is all T high pitched? >the source of mine is apparently a high speed dentist’s drill during some >dental surgery to remove some bone in my jaw. My audiologist and ear doctor >told me that in my left ear I have an increasing loss of most high frequency >hearing above 3000Hz with a pronounced dip at 4000Hz. They said the >acoustics of the ear required this have been cause by a sound at 6000Hz >above 85db. I checked on the internet and found that dental drills have a >sound peak at 6000Hz with 110db power, more than enough to cause the damage. >Does this make sense? >Thanks, Carl
For me it is cicadas, mostly. Today I hear almost no sound. A few days ago, it sounded and felt like millions of them surrounded my head. I’ve not heard a whistle and I don’t know what gas flowing through a pipe sounds like because I am hearing impaired. Some nights (weekends mostly) I get the faint sound of a far away radio playing big band music in one ear. If I listen closely, I can almost make out the melody which is fascinating because I can’t hear anything out of that ear. Although it is very soft, the music is quite "crisp" like an old transistor radio. Other nights, the music sound is replaced by a very faint "electronic bug zapper" sound in that ear. In the other ear, I get some rather loud random clicks and pops on top of the cicada sound and that is mostly in the daytime. I think I notice all of it more at night because it is very quiet at home compared to work and I am usually too busy to notice it when working. When there is a low pressure weather system, the sounds in general get louder. Terri
Response:
Martin wrote: > On Sat, 26 Apr 2003 03:24:41 GMT, "Carl Dirk" <cdi…@elp.rr.com> > wrote: > >I am curious what other peoples T sounds like? > If you go to the following link you can download a tone generator > where you can place different values fro a range of frequencies. > http://www.world-voices.com/software/nchtone.html > Martin
Downloaded the tone generator. My T was caused by a severe concussion in a auto accident. What I hear is most like a sine wave 11986Hz. The level varies from day to day, but never goes away. Thanks Martin, very interesting program
Response:
>"Martin" wrote in message >> On Sat, 26 Apr 2003 03:24:41 GMT, "Carl Dirk" <cdi…@elp.rr.com> >> wrote: >> >I am curious what other peoples T sounds like? >> If you go to the following link you can download a tone generator >> where you can place different values fro a range of frequencies. >> http://www.world-voices.com/software/nchtone.html >> Martin
Good Lord! Is that tone generator anything close to accurate?? I started at 3000 Hz–coudn’t get a "match" until 12,500 Hz–I knew it was high-pitched but this is ridiculous! No wonder it cuts through everything
)) (And either I’ve got crappy speakers or I cant hear anything above 14,500 Hz–not that it much matters
RHaj
Response:
On Sat, 26 Apr 2003 03:34:50 GMT, "Carl Dirk" <cdi…@elp.rr.com> wrote: >Thanks Martin
My pleasure. And I didn’t try to sell you something like Murray does. Martin
Response:
On Sat, 26 Apr 2003 03:45:25 GMT, "Carl Dirk" <cdi…@elp.rr.com> wrote: >I really want to thank you again. That tone generator was very useful. I was >able to zero in on my frequency dip on my left side and its closer to 3800Hz
I’m flattered….but you are driving a stake in Murray’s heart…hehe. Martin
Response:
On Fri, 25 Apr 2003 22:17:36 -0600, ")-()-(" <em…@address.com> wrote: >Thanks Martin, very interesting program
My please to direct you to it. Tell Murray that people only get insulted when they are insults themselves. Genuine people here get as much help as I can offer. Martin
Response:
I am not an expert, but there are two considerations, one is the frequency synthesizer, and if you have a good sound card, audio frequencies should be reasonably accurately rendered. The other issue is power. That program that Martin pointed me to has the capability to adjust output in dB. It is much more likely the power adjustments could be faulty for your equipment than the frequency adjustments since the power will be more affected by the capacitance and resistance characteristics of your circuitry. Again, I am not an expert. Perhaps one of you online is. Carl "ShrkAtty" <shrka…@aol.com> wrote in message
news:20030426014852.22022.00000134@mb-m11.aol.com… – Hide quoted text — Show quoted text -> >"Martin" wrote in message > >> On Sat, 26 Apr 2003 03:24:41 GMT, "Carl Dirk" <cdi…@elp.rr.com> > >> wrote: > >> >I am curious what other peoples T sounds like? > >> If you go to the following link you can download a tone generator > >> where you can place different values fro a range of frequencies. > >> http://www.world-voices.com/software/nchtone.html > >> Martin > Good Lord! Is that tone generator anything close to accurate?? > I started at 3000 Hz–coudn’t get a "match" until 12,500 Hz–I knew it was > high-pitched but this is ridiculous! No wonder it cuts through everything >
)) > (And either I’ve got crappy speakers or I cant hear anything above 14,500 > Hz–not that it much matters
> RHaj
Response:
Terri- Since T started, I thought once late at night I heard faint music, but with noises in the neighborhood and from my kid’s rooms a possibility, I wasn’t sure. Carl <terri…@knowspam.mam> wrote in message
news:3ea9fd78.7966887@news.warpnet.net… – Hide quoted text — Show quoted text -> On Sat, 26 Apr 2003 03:24:41 GMT, "Carl Dirk" <cdi…@elp.rr.com> > wrote: > >I would like to thank everyone who responded to my earlier message. > >I am curious what other peoples T sounds like? > >Early in the day mine is like a Cicada, but somewhat higher pitch. Later in > >the day, it is like listening to a gas flowing through a pipe at high speed, > >and later at night it usually is like a whistle. As the pitch goes up so > >does the intensity. > >Is all T high pitched? > >the source of mine is apparently a high speed dentist’s drill during some > >dental surgery to remove some bone in my jaw. My audiologist and ear doctor > >told me that in my left ear I have an increasing loss of most high frequency > >hearing above 3000Hz with a pronounced dip at 4000Hz. They said the > >acoustics of the ear required this have been cause by a sound at 6000Hz > >above 85db. I checked on the internet and found that dental drills have a > >sound peak at 6000Hz with 110db power, more than enough to cause the damage. > >Does this make sense? > >Thanks, Carl > For me it is cicadas, mostly. Today I hear almost no sound. A few > days ago, it sounded and felt like millions of them surrounded my > head. I’ve not heard a whistle and I don’t know what gas flowing > through a pipe sounds like because I am hearing impaired. > Some nights (weekends mostly) I get the faint sound of a far away > radio playing big band music in one ear. If I listen closely, I can > almost make out the melody which is fascinating because I can’t hear > anything out of that ear. Although it is very soft, the music is > quite "crisp" like an old transistor radio. Other nights, the music > sound is replaced by a very faint "electronic bug zapper" sound in > that ear. > In the other ear, I get some rather loud random clicks and pops on top > of the cicada sound and that is mostly in the daytime. I think I > notice all of it more at night because it is very quiet at home > compared to work and I am usually too busy to notice it when working. > When there is a low pressure weather system, the sounds in general get > louder. > Terri
Response:
If you want to know exactly what mine sounds like generate a tone that is 5328 Hz. At that tone I am so close to it that it either feels like I have a knife being slowly rotated in my head or it is completely gone depending on whether it is in or out of phase with my head (wish I had that fine a control to make it stay out) If you are curious that is………… offering you a moment inside my head from afar
Robin "Carl Dirk" <cdi…@elp.rr.com> wrote in message
news:u7nqa.12561$ac.855601@twister.austin.rr.com… – Hide quoted text — Show quoted text -> Thanks Martin > "Martin" <oh_brother_where_art_t…@yahoo.com> wrote in message > news:rcvjav4ongh85h50rcra2c9usq7ho3vh6k@4ax.com… > > On Sat, 26 Apr 2003 03:24:41 GMT, "Carl Dirk" <cdi…@elp.rr.com> > > wrote: > > >I am curious what other peoples T sounds like? > > If you go to the following link you can download a tone generator > > where you can place different values fro a range of frequencies. > > http://www.world-voices.com/software/nchtone.html > > Martin
Response:
It is possible that the Freq. Generator is generating a harmonic to your tone as well and you are reacting to that. 12,500 is high indeed. In fact I "believe" it is extremely close to the edge of perceived hearing for most folks Robin "ShrkAtty" <shrka…@aol.com> wrote in message
news:20030426014852.22022.00000134@mb-m11.aol.com… – Hide quoted text — Show quoted text -> >"Martin" wrote in message > >> On Sat, 26 Apr 2003 03:24:41 GMT, "Carl Dirk" <cdi…@elp.rr.com> > >> wrote: > >> >I am curious what other peoples T sounds like? > >> If you go to the following link you can download a tone generator > >> where you can place different values fro a range of frequencies. > >> http://www.world-voices.com/software/nchtone.html > >> Martin > Good Lord! Is that tone generator anything close to accurate?? > I started at 3000 Hz–coudn’t get a "match" until 12,500 Hz–I knew it was > high-pitched but this is ridiculous! No wonder it cuts through everything >
)) > (And either I’ve got crappy speakers or I cant hear anything above 14,500 > Hz–not that it much matters
> RHaj
Response: