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Author Topic: My hearing - high frequency limits  (Read 4903 times)

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dBel84

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Re: My hearing
« Reply #10 on: April 20, 2012, 04:10:05 PM »
find a friendly audiologist and have it checked  ::)  Hearing a test tone at 150dB doesn't qualify as good  :P

I did mine 3 years ago and I was surprised that it looked as good as it did. Most test equipment drops off after 10KHz because there is not much functional need to go beyond, the "super" test goes up to 15kHz - uses some nasty plastic sennheiser headpiece.  But this is probably why I tune most headphones to best suite me, I care less for how it measures but a lot for how it sounds to me.

..dB
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raif

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Re: My hearing
« Reply #11 on: April 20, 2012, 04:28:51 PM »
But then how can you tell other people their gear sucks if you don't participate in interwebz tests?

You might be missing about half the point of audio forums. :P



Edit:  forgot smiley face
« Last Edit: April 20, 2012, 04:45:15 PM by raif »
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Questhate

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Re: My hearing
« Reply #12 on: April 20, 2012, 04:39:24 PM »
Quote from: dBel84 on April 20, 2012, 04:10:05 PM
find a friendly audiologist and have it checked  ::)  Hearing a test tone at 150dB doesn't qualify as good  :P


Yeah def. I'm gonna make an appointment for ear impressions soon and planning to get my hearing tested as well. Never hurts to check up, I suppose.

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LFF

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Re: My hearing
« Reply #13 on: April 20, 2012, 04:49:26 PM »
Quote from: Questhate on April 20, 2012, 03:42:23 PM
Is there even any musical information that goes that high?

Harmonics and noise.
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Marvey

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Re: My hearing
« Reply #14 on: April 20, 2012, 05:09:41 PM »
Quote from: Questhate on April 20, 2012, 03:42:23 PM
Just did the YouTube one. Got up to about 17.5k before I stopped hearing. Is there even any musical information that goes that high?

I gotta start bringing earplugs to rock concerts. Those can get brutal. I've been to some where my ears are still ringing three days after.


That sounds about right for someone your age and is actually good hearing.


Quote from: dBel84 on April 20, 2012, 04:10:05 PM
find a friendly audiologist and have it checked  ::)   Hearing a test tone at 150dB doesn't qualify as good  :P

I did mine 3 years ago and I was surprised that it looked as good as it did. Most test equipment drops off after 10KHz because there is not much functional need to go beyond, the "super" test goes up to 15kHz - uses some nasty plastic sennheiser headpiece.  But this is probably why I tune most headphones to best suite me, I care less for how it measures but a lot for how it sounds to me.

..dB



Exactly, when they test your hearing, they don't go 16kHz, 17kHz, 18, 19, 20, etc. And it's based on functional need.
« Last Edit: April 20, 2012, 05:12:05 PM by purrin »
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RexAeterna

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Re: My hearing
« Reply #15 on: April 21, 2012, 02:27:56 AM »
i can only hear up to 19khz at my normal listening level. cuts off at 20khz. i don't hear anything like a tone but i still can feel the pressure on my ears and that's enough for me to find it annoying. i could still can easily hear electronics around my house when i walk by them, mainly my monitor and couple crt tv's i have in the kitchen. my modem also makes a high pitch frequency sound every time it gets turned on or hit standby. i can tell when a tv or monitor is on too cause of type sound they give off from the tube(if anyone doesn't know yet,electronics,mainly crt monitors, give off a fundamental 16khz tone).
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grev

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Re: My hearing
« Reply #16 on: April 21, 2012, 03:00:04 AM »
Pretty sure mine is quite bad, loud music with half stacked 4x12inch cabinets blasting out loud volumes would be the culprit...
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n3rdling

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Re: My hearing
« Reply #17 on: April 21, 2012, 03:05:13 AM »
Which test tone sweep in particular are you guys using?
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RexAeterna

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Re: My hearing
« Reply #18 on: April 21, 2012, 03:16:57 AM »
Quote from: n3rdling on April 21, 2012, 03:05:13 AM
Which test tone sweep in particular are you guys using?

can download them. would suggest it atleast being 24-bit 96/khz if you can cause to me tones sound way different in the lower sub-bass and upper high frequencies from 16/44 to 24/96. singen and audacity are free tone generators. i set those at 24/96 using ASIO drivers,but i only use tone generators for testing my room from 100hz and below when i worked on it and only use it when i set my power amp's left and right level input gain controls for the preamp to get balanced S/N to performance ratio(loudness and enough room for dynamic peaks without under driving the power amp and over driving the preamp)
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''I'm a music lover. Not an audiophile.''

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Marvey

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Re: My hearing
« Reply #19 on: April 21, 2012, 03:43:44 AM »
use LAME to encrypt a series of mp3s (mp3 is ok for purposes of high frequency testing) with the following flags:

-b320 --lowpass 20.5
-b320 --lowpass 19.0
-b320 --lowpass 18.0
-b320 --lowpass 17.0
-b320 --lowpass 16.0
-b320 --lowpass 15.0
-b320 --lowpass 14.0
-b320 --lowpass 13.0

A jazz track with high hats and cymbals is recommended required. Most instruments don't have sufficient overtones past 15-16kHz.

I made a series of files:

Patricia Barber 01 Touch Of Trash 13kHz.mp3 
Patricia Barber 01 Touch Of Trash 14kHz.mp3
Patricia Barber 01 Touch Of Trash 15kHz.mp3
Patricia Barber 01 Touch Of Trash 16kHz.mp3
Patricia Barber 01 Touch Of Trash 17kHz.mp3
Patricia Barber 01 Touch Of Trash 18kHz.mp3
Patricia Barber 01 Touch Of Trash 19kHz.mp3
Patricia Barber 01 Touch Of Trash 20.5kHz.mp3

This is probably the most realistic test - with music at normal listening levels - being able to discern the "air" as opposed to a 150db 19.5kHz test tone burst. High frequency hearing sensitivity is not on or off. It's a curve, albeit a rather steep on.
« Last Edit: April 21, 2012, 04:02:07 AM by purrin »
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