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Quicktime TVBR vs Nero AAC
pgm86
post Jan 26 2011, 09:32
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hi guys, what's the general consensus between the two? which is better for encoding using vbr? thanks
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db1989
post Feb 9 2011, 14:11
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kc2002 just explained that any claim of difference in quality is worth nothing until evidenced by a blind test. Otherwise, expecting to hear differences can cause the listener to hear them where they don't exist.

This post has been edited by dv1989: Feb 9 2011, 14:25
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list
post Feb 9 2011, 14:29
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QUOTE (dv1989 @ Feb 9 2011, 10:11) *
expecting to hear differences lead you to hear them where they don't exist.

No, i was not expecting to hear any difference. Once i disided to include the qt aac in my gui and make some simple tests using it for video series, and i surprised when i saw the difference at first sight. So i decided to try also with some of my music.. and i said: woow there is a difference. Easy to hear at 128kbps.
Im not audio tester, i only noticed a difference and decided to share it here. (i thought people know that difference) so was i wrong? unsure.gif
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kornchild2002
post Feb 9 2011, 16:44
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QUOTE (list @ Feb 9 2011, 06:29) *
and i said: woow there is a difference. Easy to hear at 128kbps.


I can assure you that any difference you think you heard was not there as you don't have my equipment. Only proper audio quality judging can be used on my system with my Denon AKDL1 Dedicated Link Cable ($1,000), pair of AudioQuest K2 terminated speaker cables ($17,000), properly broken in tube amp ($23,000), 48" quad speakers with 45 lb magnetic drivers ($46,700), and Ailenware desktop with external sound card ($7,600) running the Microsoft Zune PC software. I say: Wow, there is a huge difference in listening to audio with what you have and my system is a million bagillion times better than yours. It is so easy to hear that blind testing isn't required.

See why proper testing is needed before any audio quality claims are made? It doesn't matter if the difference is "easy to hear." You need proper testing to backup your claims, period. Don't like it? Well, those are the rules here which you and everyone else agreed upon. There is a reason why that is part of the rules and it is enforced here.
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Posts in this topic
- pgm86   Quicktime TVBR vs Nero AAC   Jan 26 2011, 09:32
- - kornchild2002   Well, the best way to answer that question would b...   Jan 26 2011, 11:21
- - Steve Forte Rio   (Sorry for my extremely bad English) In my opinio...   Jan 26 2011, 11:55
|- - Centauri   'Extremely bad English' I wish I could...   Jan 28 2011, 00:02
|- - Nowings69   QUOTE (Steve Forte Rio @ Jan 26 2011, 19...   Feb 8 2011, 14:06
- - pgm86   concerning about qt's dynamic range compressio...   Feb 5 2011, 07:16
- - SamDeRe81   Since I can use NeroAACEnc with foobar while apply...   Feb 7 2011, 03:54
- - lvqcl   You can use Quicktime AAC in foobar2000 too.   Feb 7 2011, 16:31
|- - SamDeRe81   QUOTE (lvqcl @ Feb 7 2011, 07:31) You can...   Feb 8 2011, 01:05
|- - list   QUOTE (SamDeRe81 @ Feb 7 2011, 21:05) QUO...   Feb 8 2011, 02:20
|- - greynol   QUOTE (list @ Feb 7 2011, 17:20) for me, ...   Feb 8 2011, 08:33
|- - punkrockdude   QUOTE (greynol @ Feb 8 2011, 08:33) QUOTE...   Feb 8 2011, 15:00
||- - kornchild2002   QUOTE (punkrockdude @ Feb 8 2011, 07:00) ...   Feb 9 2011, 07:16
||- - list   QUOTE (kornchild2002 @ Feb 9 2011, 03:16)...   Feb 9 2011, 14:06
||- - punkrockdude   QUOTE (kornchild2002 @ Feb 9 2011, 07:16)...   Feb 9 2011, 22:54
|- - list   and what about qt CVBR mode?   Feb 8 2011, 15:13
- - Larson   there is also qaac that does the job http://sites...   Feb 8 2011, 07:34
- - list   Ok, here i took some samples at about 128 kbps ner...   Feb 8 2011, 15:26
|- - greynol   QUOTE (list @ Feb 8 2011, 06:26) www.medi...   Feb 9 2011, 19:23
- - SamDeRe81   Alright so you think if I encode to 190 AAC I shou...   Feb 8 2011, 20:22
|- - list   QUOTE (SamDeRe81 @ Feb 8 2011, 16:22) Alr...   Feb 8 2011, 21:40
- - dv1989   kc2002 just explained that any claim of difference...   Feb 9 2011, 14:11
|- - list   QUOTE (dv1989 @ Feb 9 2011, 10:11) expect...   Feb 9 2011, 14:29
|- - kornchild2002   QUOTE (list @ Feb 9 2011, 06:29) and i sa...   Feb 9 2011, 16:44
|- - list   QUOTE (kornchild2002 @ Feb 9 2011, 12:44)...   Feb 9 2011, 17:02
- - dv1989   You're missing the point. When you were compar...   Feb 9 2011, 14:38
- - kornchild2002   I really don't understand what you are saying ...   Feb 9 2011, 17:45
|- - list   sory, but i am new in here ^^ . I didn't know ...   Feb 9 2011, 19:12
- - list   sources+log www.mediafire.com/download.php?7xq5q...   Feb 9 2011, 19:31
- - greynol   Thanks. Are you able to ABX the QT version from t...   Feb 9 2011, 19:34
|- - list   QUOTE (greynol @ Feb 9 2011, 15:34) Are y...   Feb 9 2011, 19:38
- - greynol   ABX is supposed to be performed between lossless a...   Feb 9 2011, 19:44
- - list   I tried abx to highlight the existing difference f...   Feb 9 2011, 20:07
- - greynol   It means you can distinguish one from the other. ...   Feb 9 2011, 20:17
- - IgorC   Hola, List. Try this http://ff123.net/abchr/abchr....   Feb 9 2011, 20:25
- - punkrockdude   I am going to try the classical piece some day but...   Feb 9 2011, 22:58
- - punkrockdude   I tried ogg vorbis which i favour and it was a lit...   Feb 9 2011, 23:14
- - punkrockdude   I now saw on the wiki site that 16 attempts is ...   Feb 9 2011, 23:22
- - dv1989   It'd be interesting to know if you can detect ...   Feb 9 2011, 23:26
|- - punkrockdude   QUOTE (dv1989 @ Feb 9 2011, 23:26) It...   Feb 9 2011, 23:29
- - list   I tried the same sample with QT at 192kbps and it ...   Feb 9 2011, 23:49
- - punkrockdude   Here is my ABX of the classical (ludwig piece). Wh...   Feb 10 2011, 00:04
- - punkrockdude   I did a second ABX of the classical (ludwig) piece...   Feb 10 2011, 00:20
- - C.R.Helmrich   Am I blind, or where did you and list get the prod...   Feb 10 2011, 00:35
|- - punkrockdude   QUOTE (C.R.Helmrich @ Feb 10 2011, 00:35)...   Feb 10 2011, 00:36
|- - punkrockdude   C.R.: Both files were included in the file that I ...   Feb 10 2011, 21:26
- - Martel   NeroAAC is still suffering from the bug I reported...   Feb 10 2011, 13:17
- - greynol   1) No one is being ridiculed. 2) It is readily ap...   Feb 10 2011, 19:31
- - C.R.Helmrich   Ah, thanks. By the way, since list supposedly ABXe...   Feb 10 2011, 22:59
- - 3biga   My choice is QT (--tvbr 120). Nero has good detail...   Feb 20 2011, 19:43
- - Larson   Mac OS X Lion beta has Quicktime 7.7.1, have to se...   Feb 25 2011, 13:36
- - /mnt   I find QuickTime to be pretty weak against sharp t...   Feb 25 2011, 21:51
- - Steve Forte Rio   /mnt, have you tried this sample with qt aac? bea...   Feb 25 2011, 23:01
|- - /mnt   QUOTE (Steve Forte Rio @ Feb 25 2011, 23...   Feb 26 2011, 02:09
||- - TechVsLife   QUOTE (/mnt @ Feb 25 2011, 20:09) It soun...   Feb 28 2011, 20:25
||- - TechVsLife   I also have a more general question, if this bug a...   Mar 3 2011, 19:35
|- - nu774   QUOTE (Steve Forte Rio @ Feb 26 2011, 07...   Apr 22 2011, 14:12
- - C.R.Helmrich   If space doesn't matter to you, then yes, CBR ...   Mar 4 2011, 11:01
|- - TechVsLife   QUOTE (C.R.Helmrich @ Mar 4 2011, 05:01) ...   Mar 4 2011, 21:58
- - SamDeRe81   =/ I want to re-encode my stuff but I think I...   Mar 4 2011, 15:48
|- - Larson   QUOTE (SamDeRe81 @ Mar 4 2011, 15:48) =/ ...   Mar 4 2011, 16:47
- - C.R.Helmrich   I agree with Larson. Start with some ABX test of, ...   Mar 4 2011, 20:27
|- - TechVsLife   QUOTE (C.R.Helmrich @ Mar 4 2011, 14:27) ...   Mar 4 2011, 22:06
|- - C.R.Helmrich   QUOTE (TechVsLife @ Mar 4 2011, 23:06) QU...   Mar 5 2011, 01:26
- - Wombat   I am able to abx "some" of the stuff /nm...   Mar 5 2011, 01:57
|- - TechVsLife   QUOTE (Wombat @ Mar 4 2011, 19:57) But it...   Mar 5 2011, 20:44
|- - TechVsLife   I also wonder if (like CBR 256) quicktime ABR 256 ...   Mar 6 2011, 05:23
- - Brand   I did some quick ABXing and I wasn't too impre...   Dec 4 2011, 14:08
- - ShotCaller   This is QT TVBR q82, which is the closest in bitra...   Dec 4 2011, 21:10
- - Brand   Thanks! The file is smaller than I expected, ...   Dec 5 2011, 00:44
- - ShotCaller   Sure, this is q91. Bitrate is 178kbps average and ...   Dec 5 2011, 01:06
- - Brand   Thanks. I could still ABX that without too much di...   Dec 5 2011, 11:17
|- - eahm   QUOTE (Brand @ Dec 5 2011, 03:17) Thanks....   Oct 24 2012, 19:21
- - Brand   The ABX log regarding what specifically? Anyway, ...   Oct 25 2012, 11:38


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