Difference between revisions of "Private Listening Tests"

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| style="width:101px" | IgorC
 
| style="width:101px" | IgorC
 
| style="width:299px" | [[Opus]] 1.0.2, 1.1a, 1.1post-a
 
| style="width:299px" | [[Opus]] 1.0.2, 1.1a, 1.1post-a
| style="width:110px" | [https://www.hydrogenaud.io/forums/index.php?s=&showtopic=100447&view=findpost&p=831963]
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| style="width:110px" | [https://www.hydrogenaud.io/index.php/topic,100447.0.html HA Thread]
 
|}
 
|}
 
  
 
=Multiformat Tests=
 
=Multiformat Tests=
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| style="width:101px" | Guruboolez  
 
| style="width:101px" | Guruboolez  
 
| style="width:299px" | [[AAC]] (FAAC, PsyTel, Nero, QuickTime)<br>[[MP3]] [[LAME]] 3.90.3, [[MPC]] 1.14, [[Vorbis]] GT3b1, [[WMA]]9 Pro  
 
| style="width:299px" | [[AAC]] (FAAC, PsyTel, Nero, QuickTime)<br>[[MP3]] [[LAME]] 3.90.3, [[MPC]] 1.14, [[Vorbis]] GT3b1, [[WMA]]9 Pro  
| style="width:110px" | [https://www.hydrogenaud.io/forums/index.php?showtopic=14091&view=findpost&p=142684 HA Thread]
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| style="width:110px" | [https://www.hydrogenaud.io/index.php/topic,14091.0.html HA Thread]
 
|-
 
|-
 
| 2003-12-13
 
| 2003-12-13
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| Guruboolez
 
| Guruboolez
 
| [[AAC]] (iTunes, Nero, FAAC), <br>[[Vorbis]] 1.01, [[WMA]]9, [[MP3]] [[LAME]] 3.93.1
 
| [[AAC]] (iTunes, Nero, FAAC), <br>[[Vorbis]] 1.01, [[WMA]]9, [[MP3]] [[LAME]] 3.93.1
| [https://www.hydrogenaud.io/forums/index.php?showtopic=16395&view=findpost&p=163116 HA Thread]
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| [https://www.hydrogenaud.io/index.php/topic,16395.0.html HA Thread]
 
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|-
 
| 2004-07-12
 
| 2004-07-12
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| [[Vorbis]] Megamix -q5,50, -q5,99 -q6,00<br>[[MP3]] [[LAME]] 3.97a3 -V3, -V2, [[MPC]] -q5
 
| [[Vorbis]] Megamix -q5,50, -q5,99 -q6,00<br>[[MP3]] [[LAME]] 3.97a3 -V3, -V2, [[MPC]] -q5
 
|
 
|
[https://www.hydrogenaud.io/forums/index.php?showtopic=23355&view=findpost&p=225046 HA Thread]
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[https://www.hydrogenaud.io/index.php/topic,23355.0.html HA Thread]
 
|-
 
|-
 
| 2004-12-09
 
| 2004-12-09
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| [[AAC]] Nero 2.9.9.998<br>[[Vorbis]] aoTuVb3
 
| [[AAC]] Nero 2.9.9.998<br>[[Vorbis]] aoTuVb3
 
|
 
|
[https://www.hydrogenaud.io/forums/index.php?showtopic=29925&view=findpost&p=258645 HA Thread]
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[https://www.hydrogenaud.io/index.php/topic,29925.0.html HA Thread]
 
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| 2005-03-05
 
| 2005-03-05
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| [[AAC]] Nero 3.0.0.4, [[Vorbis]] 1.1, QK28
 
| [[AAC]] Nero 3.0.0.4, [[Vorbis]] 1.1, QK28
 
|
 
|
[https://www.hydrogenaud.io/forums/index.php?showtopic=32080&view=findpost&p=279240 HA Thread]
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[https://www.hydrogenaud.io/index.php/topic,32080.0.html HA Thread]
 
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| 2005-03-17
 
| 2005-03-17
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| [[AAC]] iTunes 4.7, [[MP3]] [[LAME]] 3.97a8<br>[[MPC]] 1.15u, [[Vorbis]] aoTuVb3, [[WavPack]] 4.2b3 Lossy
 
| [[AAC]] iTunes 4.7, [[MP3]] [[LAME]] 3.97a8<br>[[MPC]] 1.15u, [[Vorbis]] aoTuVb3, [[WavPack]] 4.2b3 Lossy
 
|
 
|
[https://www.hydrogenaud.io/forums/index.php?showtopic=32440&view=findpost&p=282909 HA Thread]
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[https://www.hydrogenaud.io/index.php/topic,32440.0.html HA Thread]
 
|-
 
|-
 
| 2005-07-11
 
| 2005-07-11
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| Guruboolez
 
| Guruboolez
 
| [[LAME]] [[MP3]], [[AAC]]-HE and -LC,<br>[[Vorbis]] [[aoTuV]], [[WMA]] Std
 
| [[LAME]] [[MP3]], [[AAC]]-HE and -LC,<br>[[Vorbis]] [[aoTuV]], [[WMA]] Std
| [https://www.hydrogenaud.io/forums/index.php?showtopic=35438&view=findpost&p=312296 HA Thread]
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| [https://www.hydrogenaud.io/index.php/topic,35438.0.html HA Thread]
 
|-
 
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| 2005-08-09
 
| 2005-08-09
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| Guruboolez
 
| Guruboolez
 
| [[AAC]], [[MP3]], [[MPC]], [[Vorbis]] [[aoTuV]]b4
 
| [[AAC]], [[MP3]], [[MPC]], [[Vorbis]] [[aoTuV]]b4
| [https://www.hydrogenaud.io/forums/index.php?showtopic=36465 HA Thread]
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| [https://www.hydrogenaud.io/index.php/topic,36465.0.html HA Thread]
 
|-
 
|-
 
| 2014-02-01
 
| 2014-02-01
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| Kamedo2
 
| Kamedo2
 
| [[AAC]] ([[Fraunhofer FDK AAC|FDK]], [[FAAC]], FFmpeg native), [[MP3]] ([[LAME]]), [[AC3]]
 
| [[AAC]] ([[Fraunhofer FDK AAC|FDK]], [[FAAC]], FFmpeg native), [[MP3]] ([[LAME]]), [[AC3]]
| [https://www.hydrogenaud.io/forums/index.php?showtopic=104471 HA Thread]
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| [https://www.hydrogenaud.io/index.php/topic,104471.0.html HA Thread]
 
|-
 
|-
 
| 2015-07-21
 
| 2015-07-21
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| Kamedo2
 
| Kamedo2
 
| [[AAC]] (Nero, FFmpeg native), [[MP3]] ([[LAME]]), [[Opus]]
 
| [[AAC]] (Nero, FFmpeg native), [[MP3]] ([[LAME]]), [[Opus]]
| [https://www.hydrogenaud.io/forums/index.php?showtopic=109716 HA Thread]
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| [https://www.hydrogenaud.io/index.php/topic,109716.0.html HA Thread]
 
|-
 
|-
 
| 2019-04-04
 
| 2019-04-04

Latest revision as of 09:32, 6 December 2022

Individual hydrogenaudio members have from time to time carried out their own private listening tests. Though individual perception of different kinds of artifacts varies from person to person, these tests provide some additional data points for comparing lossy encoders.

Single-format Tests

AAC

Date Title
Samples
Performed by Codecs Links
2004-12-09 Ahead vs Apple 128-kbps
Classical
Guruboolez iTunes 4.1.052, 4.7.042;
Nero 2.5.9.7, 2.9.998 CBR, 2.9.998 VBR
HA Thread
2005-09-05 48- & 64-kbps HE-AAC
Classical
Guruboolez CT aacPlus v.2 48- & 64-kbps
Helix 11.0.0.1897, Nero 3.2.0.20 VBR
HA Thread
2013-09-19 96 & 128 kbps AAC-LC Kamedo2 FFmpeg r.55212 abr
FFmpeg r.55212+v4 patch abr
FDK AAC 0.1.1 cbr
HA Thread

MP3

Date Title
Samples
Performed by Codecs Links
2004-01-18 Dithering Test (1)
Special
Guruboolez MP3 Decoders:
MAD, LAME, Fraunhofer, foobar2000
HA Thread
2004-11-15 130-kbps LAME
rjamorim
Guruboolez LAME 3.90.3 ABR, 3.96.1 ABR, 3.96.1 VBR HA Thread
2005-01-11 128-kbps LAME
ff123
Guruboolez LAME 3.90.3, 3.96.1, 3.97a5 HA Thread
2005-10-17 LAME 3.98 -V5
Classical
Guruboolez LAME 3.98: -V5, -V5 --vbr-new,
-V5 --vbr-new --athaa-sensitivity 1
HA Thread
2012-09-03 LAME IgorC LAME 3.97:-V5 --vbr-new, 3.98.4 -V 5.7, 3.99.5 -V 4.99 HA Thread
2013-05-17 LAME Kamedo2 LAME3100i V2+, LAME 3.99.5 -V1, LAME 3.98.4 224kbps cbr q0, Helix v5.1 VBR -V146, BladeEnc(Low Anchor) HA Thread

Notes: (1) Performed under extreme listening conditions not reproducible on daily listening.

MPC

Date Title
Samples
Performed by Codecs Links
2005-06-18 --standard
Classical
Guruboolez 1.01j, 1.15u HA Thread

Vorbis

Date Title
Samples
Performed by Codecs Links
2003-06-18 128-kbps
ff123/rjamorim
Guruboolez GT2 & PCVS HA Thread
2004-06-17 160-kbps
Special
Guruboolez CVS, GT3b2, aoTuVb2, aoTuVb2+QK HA Thread
2004-02-05 -q4
Transients
Guruboolez RC3 2002-03, RC3 2002-04, 1.01, 1.01 QK2 HA Thread

WMA

Date Title
Samples
Performed by Codecs Links
2003-06-18 128-kbps
ff123/rjamorim
Guruboolez WMA9 Standard & Pro HA Thread

Opus

Date Title
Samples
Performed by Codecs Links
2013-04-21 96 kbps IgorC Opus 1.0.2, 1.1a, 1.1post-a HA Thread

Multiformat Tests

Date Title
Samples
Performed by Codecs Links
2003-10-11 130-kbps
Classical (Baroque)
Guruboolez AAC (FAAC, PsyTel, Nero, QuickTime)
MP3 LAME 3.90.3, MPC 1.14, Vorbis GT3b1, WMA9 Pro
HA Thread
2003-12-13 128-kbps
Classical
Guruboolez AAC (iTunes, Nero, FAAC),
Vorbis 1.01, WMA9, MP3 LAME 3.93.1
HA Thread
2004-07-12 175-kbps
Classical
Guruboolez Vorbis Megamix -q5,50, -q5,99 -q6,00
MP3 LAME 3.97a3 -V3, -V2, MPC -q5

HA Thread

2004-12-09 130-kbps
Classical
Guruboolez AAC Nero 2.9.9.998
Vorbis aoTuVb3

HA Thread

2005-03-05 140-kbps VBR
Classical
Guruboolez AAC Nero 3.0.0.4, Vorbis 1.1, QK28

HA Thread

2005-03-17 256-kbps Transcode from MP3
subset of ff123
Guruboolez AAC iTunes 4.7, MP3 LAME 3.97a8
MPC 1.15u, Vorbis aoTuVb3, WavPack 4.2b3 Lossy

HA Thread

2005-07-11 80-kbps
Various
Guruboolez LAME MP3, AAC-HE and -LC,
Vorbis aoTuV, WMA Std
HA Thread
2005-08-09 96-kbps
Classical & Various
Guruboolez LAME MP3, AAC,Vorbis aoTuV (Lancer), MPC, WMA Hardware.fr thread (in French)
2005-08-22 180-kbps
Classical
Guruboolez AAC, MP3, MPC, Vorbis aoTuVb4 HA Thread
2014-02-01 128-kbps
Various
Kamedo2 AAC (FDK, FAAC, FFmpeg native), MP3 (LAME), AC3 HA Thread
2015-07-21 96-kbps
Various
Kamedo2 AAC (Nero, FFmpeg native), MP3 (LAME), Opus HA Thread
2019-04-04 192-kbps
Various
Kamedo2 MP3 (LAME), Opus HA Thread