Hydrogenaudio Listening Tests
From time to time, HydrogenAudio members conducted listening tests, either public ones or private ones. These listening test should be valuable in gauging the performance of various digital audio techniques, e.g. compression, transcoding, etc., on a certain point in time.
It should be noted that these tests may become obsoleted by newer enhancements in the techniques. So please ensure that there's no newer tests before drawing conclusions.
This page contains links to Listening Tests carried out by various members of HydrogenAudio.
Format-specific Tests
MP3
Vorbis
Comparison Tests
| Date | Title | Performed by | Type | Codecs | Links |
|---|---|---|---|---|---|
| 2003-06-18 | 128-kbps ff123/rjamorim | Guruboolez | Private | Vorbis GT2 & PCVS | HA Thread |
| 2003-06-18 | 128-kbps ff123/rjamorim | Guruboolez | Private | WMA9 Standard & Pro | HA Thread |
| 2003-10-11 | 130-kbps Classical | Guruboolez | Private | AAC (FAAC, PsyTel, Nero, QuickTime) MP3 LAME, MPC, Vorbis CVS, WMA9 Pro |
HA Thread |
| 2003-12-13 | 128-kbps Classical | Guruboolez | Private | AAC (QuickTime, Nero, FAAC), Vorbis 1.01, WMA9, MP3 LAME | HA Thread |
| 2004-01-18 | Dithering Test (1) | Guruboolez | Private | MP3 Decoders: MAC, LAME, Fraunhofer, foobar2000 |
HA Thread |
| 2004-06-17 | 160-kbps Special | Guruboolez | Private | Vorbis (CVS, GT3b2, aoTuVb2, aoTuVb2+QK | HA Thread |
| 2005-07-11 | 80-kbps Various | Guruboolez | Private | LAME MP3, AAC-HE and -LC, Vorbis aoTuV, WMA Std | HA Thread |
| 2005-08-22 | 180-kbps Classical | Guruboolez | Private | AAC, MP3, MPC, Vorbis aoTuV | HA Thread |
| 2006-01-13 | 128-kbps General | Sebastian Mares | Public | iTunes & Nero AAC, LAME MP3, Vorbis aoTuV, WMA Pro | HA Thread Complete Results |
Notes: (1) Performed under extreme listening conditions not reproducible on daily listening.
Also check out the following sites:
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