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Topic: 16500 Hz lowpass test (Read 19015 times) previous topic - next topic
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16500 Hz lowpass test

As requested in https://hydrogenaud.io/index.php/topic,115869.new.html#info_956270
I am using a sample from "Perdition City" album by Ulver which contains very loud ~18kHz tones.

My log:
Code: [Select]
foo_abx 2.0.4 report
foobar2000 v1.4 beta 11
2018-04-25 19:23:21

File A: original.flac
SHA1: e13538feeed7099972334ae94da4a400af82e88e
File B: lowpassed.flac
SHA1: 76b6e79649d86c8e77c71a00faa1196a58472af4

Output:
WASAPI (push) : Built-in Output, 24-bit
Crossfading: NO

19:23:21 : Test started.
19:24:46 : 01/01
19:25:12 : 02/02
19:25:22 : 03/03
19:25:31 : 04/04
19:25:40 : 05/05
19:25:48 : 06/06
19:25:56 : 07/07
19:26:08 : 08/08
19:26:08 : Test finished.

 ----------
Total: 8/8
Probability that you were guessing: 0.4%

 -- signature --
38880f32382b49c5f24b3c7ae7af53e431d2643a

I am leaving it at 8/8 as it is really painful to listen at the volume where I can confidently hear that tone. :/
This was surprisingly hard, and I found that I hear it now only with my left ear (used to be able to hear it with both ears back in the days).
If someone wants **/16 then I'd rather give up. I think someone younger will do this test a lot easier if they want to prove the point that sometimes there is some noticeable content above ~16kHz. And I'm apparently near the point of being too old to be able to do this.
some ANC'd headphones + AutoEq-based impulse + Meier Crossfeed (30%)

Re: 16500 Hz lowpass test

Reply #1
for those who didn't listen the album: the other part of the album is not like that, it's only this part that is so dumb :D
some ANC'd headphones + AutoEq-based impulse + Meier Crossfeed (30%)

 

Re: 16500 Hz lowpass test

Reply #2
Thanks for sharing.

Listening at pathological levels constitutes cheating in my book.  Besides you could be hearing intermodulation distortion.

Regardless, you made your point: this piece of "dumb" "music" would need more than ~16kHz of BW in order not to lose sound quality for those who are young and have questionable taste. ;)

Re: 16500 Hz lowpass test

Reply #3
Quote
Listening at pathological levels constitutes cheating in my book

Some people that I know do listen at similar levels when not testing. That's a silly thing to do, I agreeā€¦ but it happens.

Quote
questionable taste

As I said, for the most part this album is not as bad.

FWIW, my own conclusion is: for normal music and for my age I shouldn't bother with these highest frequencies, as when it reaches the point where I can hear them, I'd rather not hear them. :D
some ANC'd headphones + AutoEq-based impulse + Meier Crossfeed (30%)


 
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