mp3 Listening Quiz

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merlyn
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mp3 Listening Quiz

Postby merlyn » Wed Aug 21, 2019 5:51 pm

In @sue's thread about recording her piano the relative merits of mp3s came up.

This quiz is a practical comparison of different formats. :

https://www.npr.org/sections/therecord/ ... 6409202274

If you finish it you also get some history of mp3.

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bluebell
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Re: mp3 Listening Quiz

Postby bluebell » Wed Aug 21, 2019 8:21 pm

My choices:

1: 320 kbps
2: 320 kbps
3: 320 kbps
4: 320 kbps
5: 128 kbps
6: 128 bps

I never hit the wav.
Linux – MOTU UltraLite AVB – Qtractor – https://soundcloud.com/suedwestlicht

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turbidh20
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Re: mp3 Listening Quiz

Postby turbidh20 » Thu Aug 22, 2019 10:52 am

My hearing has never been "perfect", I know that for a fact. This proves it...
1. 320
2. 128
3. 128
4. WAV
5. 128
6. WAV

A bit worrying for my mixing abilities :lol:
Arch Linux (i7-4790k/GTX970); UMC204HD; MPK Mini MKII; Jack2 & Ardour

Loki Harfagr
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Re: mp3 Listening Quiz

Postby Loki Harfagr » Thu Aug 22, 2019 1:05 pm

K453 WAV
Coldplay WAV
Vega WAV
DarkHorse WAV
NeilYoung 320K
JayZ 128K

Well, I reckon that was quite fun, I only previously heard two pieces in the selection (Harvest and the massacre on Wolfgang) though I managed to be wrong especially on poor Neil Young :D)
I'd think that on the "JayZ" stuff I clicked at randow since I guess that dough might sound the same even on a black bakelite telephone :D

That was using the semi-open BD DT990 (I didn't dare to retry for bad luck with the DT770 or the F6301Bs ;-)


Round two.
(still the same old BD DT990 but different time of the day and after a few hours having a lot of noize in my ears while checking my new G.A.S.)

Vega 128K
Coldplay WAV
NeilYoung 320K
Perry WAV
K453 128K
Jayz WAV

then I dunno, is it that it really makes a difference or ot (on a subjective and self personal way I'd guess there's no confusion when I randomly scatter 128 or WAV to the two pieces of the test that are highly unmusical *to me* but I' wouldn't be that much surprised that in the end the site where the test is set would reveal that either the flabberflonked their database or, most prolly, that was a random shuffle all over :D
Last edited by Loki Harfagr on Fri Aug 23, 2019 6:54 pm, edited 1 time in total.

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sadko4u
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Re: mp3 Listening Quiz

Postby sadko4u » Thu Aug 22, 2019 11:03 pm

Hmmm.
The difference between 128 kbps MP3 and WAV is mostly detectable by amount high frequencies.
In Coldplay, there is a lot of cracking sound in WAV. I've selected the least cracking, and it was... 128 kbps WAV.
So, actually, it's a bit of taste rather than 'quality feeling'.
1. 320
2. 128
3. 128
4. 320
5. 320
6. 320
LSP (Linux Studio Plugins) Developer and Maintainer.

tavasti
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Re: mp3 Listening Quiz

Postby tavasti » Fri Aug 23, 2019 7:56 am

Half of the songs, I could not make any difference. For them I heard some slight difference, I go 128-320-wav. So I don't hear difference :-)
This is pretty much what I expected.
Linux veteran & Novice musician

Hear my music at https://audiu.net/users/tawaste


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