Difference between revisions of "Private Listening Tests"

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(Multiformat Tests)
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| style="width:101px" | Guruboolez  
 
| style="width:101px" | Guruboolez  
 
| style="width:299px" | iTunes 4.1.052, 4.7.042;<br>Nero 2.5.9.7, 2.9.998 CBR, 2.9.998 VBR  
 
| style="width:299px" | iTunes 4.1.052, 4.7.042;<br>Nero 2.5.9.7, 2.9.998 CBR, 2.9.998 VBR  
| style="width:110px" | [http://www.hydrogenaudio.org/forums/index.php?showtopic=29924&view=findpost&p=258644 HA Thread]
+
| style="width:110px" | [https://www.hydrogenaud.io/forums/index.php?showtopic=29924&view=findpost&p=258644 HA Thread]
 
|-
 
|-
 
| 2005-09-05
 
| 2005-09-05
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| Guruboolez
 
| Guruboolez
 
| CT aacPlus v.2 48- & 64-kbps<br>Helix 11.0.0.1897, Nero 3.2.0.20 VBR
 
| CT aacPlus v.2 48- & 64-kbps<br>Helix 11.0.0.1897, Nero 3.2.0.20 VBR
| [http://www.hydrogenaudio.org/forums/index.php?showtopic=36868&view=findpost&p=325091 HA Thread]
+
| [https://www.hydrogenaud.io/forums/index.php?showtopic=36868&view=findpost&p=325091 HA Thread]
 
|-
 
|-
 
| 2013-09-19
 
| 2013-09-19
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| Kamedo2
 
| Kamedo2
 
| FFmpeg r.55212 abr <br>FFmpeg r.55212+v4 patch abr <br>[[Fraunhofer FDK AAC|FDK AAC]] 0.1.1 cbr
 
| FFmpeg r.55212 abr <br>FFmpeg r.55212+v4 patch abr <br>[[Fraunhofer FDK AAC|FDK AAC]] 0.1.1 cbr
| [http://www.hydrogenaudio.org/forums/index.php?showtopic=102699 HA Thread]
+
| [https://www.hydrogenaud.io/forums/index.php?showtopic=102699 HA Thread]
 
|}
 
|}
  
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| style="width:101px" | Guruboolez  
 
| style="width:101px" | Guruboolez  
 
| style="width:299px" | [[MP3]] Decoders: <br>MAD, [[LAME]], [[Fraunhofer]], foobar2000  
 
| style="width:299px" | [[MP3]] Decoders: <br>MAD, [[LAME]], [[Fraunhofer]], foobar2000  
| style="width:110px" | [http://www.hydrogenaudio.org/forums/index.php?showtopic=17728&view=findpost&p=174740 HA Thread]
+
| style="width:110px" | [https://www.hydrogenaud.io/forums/index.php?showtopic=17728&view=findpost&p=174740 HA Thread]
 
|-
 
|-
 
| 2004-11-15
 
| 2004-11-15
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| Guruboolez
 
| Guruboolez
 
| [[LAME]] 3.90.3 ABR, 3.96.1 ABR, 3.96.1 VBR
 
| [[LAME]] 3.90.3 ABR, 3.96.1 ABR, 3.96.1 VBR
| [http://www.hydrogenaudio.org/forums/index.php?showtopic=29422&view=findpost&p=253968 HA Thread]
+
| [https://www.hydrogenaud.io/forums/index.php?showtopic=29422&view=findpost&p=253968 HA Thread]
 
|-
 
|-
 
| 2005-01-11
 
| 2005-01-11
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| Guruboolez
 
| Guruboolez
 
| [[LAME]] 3.90.3, 3.96.1, 3.97a5
 
| [[LAME]] 3.90.3, 3.96.1, 3.97a5
| [http://www.hydrogenaudio.org/forums/index.php?showtopic=30547&view=findpost&p=264411 HA Thread]
+
| [https://www.hydrogenaud.io/forums/index.php?showtopic=30547&view=findpost&p=264411 HA Thread]
 
|-
 
|-
 
| 2005-10-17
 
| 2005-10-17
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| Guruboolez
 
| Guruboolez
 
| [[LAME]] 3.98: -V5, -V5 --vbr-new,<br> -V5 --vbr-new --athaa-sensitivity 1
 
| [[LAME]] 3.98: -V5, -V5 --vbr-new,<br> -V5 --vbr-new --athaa-sensitivity 1
| [http://www.hydrogenaudio.org/forums/index.php?showtopic=37973&view=findpost&p=335086 HA Thread]
+
| [https://www.hydrogenaud.io/forums/index.php?showtopic=37973&view=findpost&p=335086 HA Thread]
 
|-
 
|-
 
| 2012-09-03
 
| 2012-09-03
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| IgorC
 
| IgorC
 
| [[LAME]] 3.97:-V5 --vbr-new, 3.98.4 -V 5.7, 3.99.5 -V 4.99
 
| [[LAME]] 3.97:-V5 --vbr-new, 3.98.4 -V 5.7, 3.99.5 -V 4.99
| [http://www.hydrogenaudio.org/forums/index.php?showtopic=96800 HA Thread]
+
| [https://www.hydrogenaud.io/forums/index.php?showtopic=96800 HA Thread]
 
|-
 
|-
 
| 2013-05-17
 
| 2013-05-17
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| Kamedo2
 
| Kamedo2
 
| [[LAME]]3100i V2+, [[LAME]] 3.99.5 -V1, [[LAME]] 3.98.4 224kbps cbr q0, Helix v5.1 VBR -V146, BladeEnc(Low Anchor)
 
| [[LAME]]3100i V2+, [[LAME]] 3.99.5 -V1, [[LAME]] 3.98.4 224kbps cbr q0, Helix v5.1 VBR -V146, BladeEnc(Low Anchor)
| [http://www.hydrogenaudio.org/forums/index.php?showtopic=100896&st=25 HA Thread]
+
| [https://www.hydrogenaud.io/forums/index.php?showtopic=100896&st=25 HA Thread]
 
|}
 
|}
  
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| style="width:101px" | Guruboolez  
 
| style="width:101px" | Guruboolez  
 
| style="width:299px" | 1.01j, 1.15u  
 
| style="width:299px" | 1.01j, 1.15u  
| style="width:110px" | [http://www.hydrogenaudio.org/forums/index.php?showtopic=34911&view=findpost&p=306910 HA Thread]
+
| style="width:110px" | [https://www.hydrogenaud.io/forums/index.php?showtopic=34911&view=findpost&p=306910 HA Thread]
 
|}
 
|}
  
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| style="width:101px" | Guruboolez  
 
| style="width:101px" | Guruboolez  
 
| style="width:299px" | GT2 & PCVS  
 
| style="width:299px" | GT2 & PCVS  
| style="width:110px" | [http://www.hydrogenaudio.org/forums/index.php?showtopic=10555&view=findpost&p=106189 HA Thread]
+
| style="width:110px" | [https://www.hydrogenaud.io/forums/index.php?showtopic=10555&view=findpost&p=106189 HA Thread]
 
|-
 
|-
 
| 2004-06-17
 
| 2004-06-17
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| Guruboolez
 
| Guruboolez
 
| CVS, GT3b2, [[aoTuV]]b2, [[aoTuV]]b2+QK
 
| CVS, GT3b2, [[aoTuV]]b2, [[aoTuV]]b2+QK
| [http://www.hydrogenaudio.org/forums/index.php?showtopic=22495&view=findpost&p=218681 HA Thread]
+
| [https://www.hydrogenaud.io/forums/index.php?showtopic=22495&view=findpost&p=218681 HA Thread]
 
|-
 
|-
 
| 2004-02-05
 
| 2004-02-05
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| Guruboolez
 
| Guruboolez
 
| RC3 2002-03, RC3 2002-04, 1.01, 1.01 QK2
 
| RC3 2002-03, RC3 2002-04, 1.01, 1.01 QK2
| [http://www.hydrogenaudio.org/forums/index.php?showtopic=18359&view=findpost&p=180697 HA Thread]
+
| [https://www.hydrogenaud.io/forums/index.php?showtopic=18359&view=findpost&p=180697 HA Thread]
 
|}
 
|}
  
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| style="width:101px" | Guruboolez  
 
| style="width:101px" | Guruboolez  
 
| style="width:299px" | [[WMA]]9 Standard & Pro  
 
| style="width:299px" | [[WMA]]9 Standard & Pro  
| style="width:110px" | [http://www.hydrogenaudio.org/forums/index.php?showtopic=10551&view=findpost&p=106158 HA Thread]
+
| style="width:110px" | [https://www.hydrogenaud.io/forums/index.php?showtopic=10551&view=findpost&p=106158 HA Thread]
 
|}
 
|}
  
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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" | [http://www.hydrogenaudio.org/forums/index.php?s=&showtopic=100447&view=findpost&p=831963]
+
| style="width:110px" | [https://www.hydrogenaud.io/forums/index.php?s=&showtopic=100447&view=findpost&p=831963]
 
|}
 
|}
  
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| [[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]
 
| [https://www.hydrogenaud.io/forums/index.php?showtopic=104471 HA Thread]
|
 
 
|-
 
|-
| 2015-07-20
+
| 2015-07-21
 
| 96-kbps<br>Various
 
| 96-kbps<br>Various
 
| 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]
 
| [https://www.hydrogenaud.io/forums/index.php?showtopic=109716 HA Thread]
 +
|-
 +
| 2019-04-04
 +
| 192-kbps<br>Various
 +
| Kamedo2
 +
| [[MP3]] ([[LAME]]), [[Opus]]
 +
| [https://hydrogenaud.io/index.php/topic,117489.0.html HA Thread]
 
|}
 
|}

Revision as of 16:22, 3 April 2019

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 [1]


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