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#383534 - 10/01/12 02:29 PM Re: Sounded like Neal had a great idea until... [Re: Murph]
Ken.C Offline
shareholder in the making

Registered: 05/03/03
Posts: 17766
Loc: NoVA
He's wrong, it's the third one.


At least htat's my vote. :-P


Edited by Ken.C (10/01/12 02:30 PM)
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I didn't do it, no one saw me, you can't prove anything.

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#383537 - 10/01/12 02:47 PM Re: Sounded like Neal had a great idea until... [Re: ClubNeon]
Kruncher Offline
devotee

Registered: 10/05/06
Posts: 484
Loc: Maple Ridge, BC
Wow, that's a good demo of the sampling Chris.

To me, only track 2 seemed not quite as full as the others, which (1, 3, and 4) were pretty well, no, not pretty well, but in fact entirely indistinguishable to me.

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#383538 - 10/01/12 02:55 PM Re: Sounded like Neal had a great idea until... [Re: Murph]
ClubNeon Offline
connoisseur

Registered: 02/06/09
Posts: 3448
Loc: Western Maryland, USA
I actually tried to make these worst case, so it'd be easiest to tell them apart. I'll make another challenge that's designed to be difficult this evening.
_________________________
Pioneer VSX-1018AH-K, PDP-5020FD, DV-79AVi
Axiom M22s, VP150, QS8s
Sony PS3, surround backs
-Chris

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#383539 - 10/01/12 03:03 PM Re: Sounded like Neal had a great idea until... [Re: Murph]
ClubNeon Offline
connoisseur

Registered: 02/06/09
Posts: 3448
Loc: Western Maryland, USA
Oh, and PM me if you do want the answer.
_________________________
Pioneer VSX-1018AH-K, PDP-5020FD, DV-79AVi
Axiom M22s, VP150, QS8s
Sony PS3, surround backs
-Chris

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#383540 - 10/01/12 03:03 PM Re: Sounded like Neal had a great idea until... [Re: Murph]
Ken.C Offline
shareholder in the making

Registered: 05/03/03
Posts: 17766
Loc: NoVA
I like that. We've got no consensus on which one is which, and you tell us this is the EASY one. Heh.
_________________________
I didn't do it, no one saw me, you can't prove anything.

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#383541 - 10/01/12 03:09 PM Re: Sounded like Neal had a great idea until... [Re: Murph]
ClubNeon Offline
connoisseur

Registered: 02/06/09
Posts: 3448
Loc: Western Maryland, USA
Designed to be easy, from the track selection (those high pitched sounds should have been a give-away for poor compression), to the poor depth reduction. I really wanted to be able to hear the difference myself, but alas I couldn't.
_________________________
Pioneer VSX-1018AH-K, PDP-5020FD, DV-79AVi
Axiom M22s, VP150, QS8s
Sony PS3, surround backs
-Chris

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#383542 - 10/01/12 03:15 PM Re: Sounded like Neal had a great idea until... [Re: ClubNeon]
chesseroo Offline
connoisseur

Registered: 05/13/02
Posts: 4825
Loc: western canada
Originally Posted By: ClubNeon
In fact, here's a test I made for someone on another forum who was claiming to have golden ears...they never replied to me.

http://www.scuzzyeye.com/tests/track-01.wav
http://www.scuzzyeye.com/tests/track-02.wav
http://www.scuzzyeye.com/tests/track-03.wav
http://www.scuzzyeye.com/tests/track-04.wav

One of these files is the original 24-bit version. One has been truncated to 16-bit (not even dithered). One has been converted to a 320 kbps CBR MP3, and back into a 24-bit wave using MADplay. And another an "extreme" VBR MP3, then simply decoded with Lame to a 16-bit wave. They've all been padded back up to 24-bits, so the file sizes are the same.

Tell me which is which.

That was neat but listening to those made my ears ring.
_________________________
"Those who preach the myths of audio are ignorant of truth."

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#383545 - 10/01/12 04:19 PM Re: Sounded like Neal had a great idea until... [Re: chesseroo]
MarkSJohnson Offline
shareholder in the making

Registered: 09/27/04
Posts: 10873
Loc: Central NH
But which made your ear feel golden before the ringing?
_________________________
::::::: No disrespect to Axiom, but my favorite woofer is my yellow lab :::::::

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#383546 - 10/01/12 06:51 PM Re: Sounded like Neal had a great idea until... [Re: Murph]
Boltron Offline
veteran

Registered: 11/18/11
Posts: 171
Loc: Toronto
I pick 4 then 3 as the best. Man we are all over he map wink
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For every expert, there is an equal and opposite expert.

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#383547 - 10/01/12 08:04 PM Re: Sounded like Neal had a great idea until... [Re: Murph]
ClubNeon Offline
connoisseur

Registered: 02/06/09
Posts: 3448
Loc: Western Maryland, USA
OK, the easy test is over. Time for the difficult one. This one is just about bit-depth, not lossy compression.

These files are longer, I wanted a full reference of dynamic ranges, since that's supposed to be what 24-bit gains over 16.

http://www.scuzzyeye.com/tests/track-b1.wav
http://www.scuzzyeye.com/tests/track-b2.wav
http://www.scuzzyeye.com/tests/track-b3.wav
http://www.scuzzyeye.com/tests/track-b4.wav
http://www.scuzzyeye.com/tests/track-b5.wav

Two of the files above are full 24-bit. The other three are dithered down to 16-bit with noise shaping. The 8 least significant bits are 0-filled so the files are all the same size. You challenge is to tell me which two files are 24-bit.

Before you had a 25% chance of guessing right, now it's only 10%. But if 24-bit really is that large of an improvement it shouldn't be difficult. smile
_________________________
Pioneer VSX-1018AH-K, PDP-5020FD, DV-79AVi
Axiom M22s, VP150, QS8s
Sony PS3, surround backs
-Chris

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