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Successful ABX of qaac -v256 vs flac, Sample for the qaac thread
ChronoSphere
post Dec 8 2013, 18:43
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Uploaded sample as requested here.
Vocals seem to have "metallic" or "electronic" tinge to it, the violin(?) as well.
CODE
foo_abx 1.3.4 report
foobar2000 v1.2.9
2013/12/08 17:40:37

File A: R:\03 蒼空にくちづけたら.m4a
File B: R:\03. ゆうまお - 蒼空にくちづけたら.flac

17:40:37 : Test started.
17:42:03 : 01/01  50.0%
17:42:49 : 02/02  25.0%
17:43:29 : 02/03  50.0%
17:43:55 : 03/04  31.3%
17:44:17 : 04/05  18.8%
17:44:58 : 05/06  10.9%
17:45:34 : 05/07  22.7%
17:45:57 : 06/08  14.5%
17:46:18 : 07/09  9.0%
17:47:04 : 08/10  5.5%
17:47:07 : Test finished.

----------
Total: 8/10 (5.5%)


Most noticeable part for me is around 0:05-0:10s in this clip, especially around the "だろう(darou)" part.
Attached File  aozoranikuchizuketara_short.flac ( 2.87MB ) Number of downloads: 236

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Brazil2
post Dec 9 2013, 10:21
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It might be interesting to compare with other AAC encoders like Nero, Winamp FhG and FDK.
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eahm
post Jan 30 2015, 04:17
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QUOTE (Brazil2 @ Dec 9 2013, 02:21) *
It might be interesting to compare with other AAC encoders like Nero, Winamp FhG and FDK.

Agree. Please test these as well.
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Makaki
post Jan 30 2015, 06:13
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The thread is rather old, I would suggest a re-check if it still happens with newer versions of qaac and more importantly the apple codec library.
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eahm
post Jan 30 2015, 06:22
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QUOTE (Makaki @ Jan 29 2015, 22:13) *
The thread is rather old, I would suggest a re-check if it still happens with newer versions of qaac and more importantly the apple codec library.

AAC didn't change anything in like 10 years, I'm sure this test will be the same. Don't mistake Apple/iTunes/QuickTime libraries changes with AAC codec changes.
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Hex144
post Jan 30 2015, 10:03
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QUOTE (Brazil2 @ Dec 9 2013, 11:21) *
It might be interesting to compare with other AAC encoders like Nero, Winamp FhG and FDK.

The OP said in the discussion thread that Nero sounds even worse.

QUOTE (Makaki @ Jan 30 2015, 07:13) *
The thread is rather old, I would suggest a re-check if it still happens with newer versions of qaac and more importantly the apple codec library.

AFAICT, the Apple library hasn't changed since 2012-2013

Here's some Fraunhofer encodes (Winamp and fdk) with comparable bitrates, in case the OP, or someone else wants to test.
Attached File(s)
Attached File  aozoranikuchizuketara_short_FhG-aac_v6.m4a ( 863.15K ) Number of downloads: 38
Attached File  aozoranikuchizuketara_short_FhG-aac_v5.m4a ( 703.78K ) Number of downloads: 37
Attached File  aozoranikuchizuketara_short_fdk-aac_m5.m4a ( 810.28K ) Number of downloads: 29
 
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