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LAME 3.98.2 VBR bitrate test, all -V settings in 0.5 step increments
Alex B
post Nov 24 2008, 18:31
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Over three years ago I tested the LAME 3.97b1 VBR bitrates (link). For that test I gathered a set of 25 various "reference" tracks. The tracks were specifically selected so that they could more or less represent an average large media library of pop/rock/jazz etc genres. Since then the same set has served well in many occasions. During the preparations of the new public 128 kbps VBR MP3 listening test I gathered another set of classical tracks.

Now I have tested all LAME 3.98.2 VBR settings (in 0.5 step increments) using these two reference sets. For this test I encoded 1050 MP3 files (21x50). I analyzed the files with EncSpot Pro v.2.1 and prosessed the exported data with Excel.

Here are the results:

Some general details: (the frequency values are kHz)


Bitrates "Various":


Bitrates "Classical":


Average Bitrates:




The test tracks:


EDIT:
The classical track #4 has a slightly incorrect name in the table. It should be "Berlin Radio Symphony Orchestra - Mahler, Symphony No 8, 2. Ewiger Wonnebrand".


The source data is available here: http://www.hydrogenaudio.org/forums/index....st&p=601002 (Excel sheet)

This post has been edited by Alex B: Dec 3 2008, 11:03


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/mnt
post Nov 25 2008, 01:27
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I have made a table of 29 sfb21 bloated tracks at V3 - V0 and the -Y switch aswell.



A zipped Excel document version can be found here.

This post has been edited by /mnt: Nov 25 2008, 02:14


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Posts in this topic
- Alex B   LAME 3.98.2 VBR bitrate test   Nov 24 2008, 18:31
- - guruboolez   Excellent and useful work. This table should appea...   Nov 24 2008, 19:06
|- - Alex B   QUOTE (guruboolez @ Nov 24 2008, 20:06) O...   Nov 24 2008, 20:17
|- - tosse   QUOTE (Alex B @ Nov 24 2008, 21:17) I not...   Nov 25 2008, 08:45
- - Alexxander   Thanks for sharing your helpfull information. The ...   Nov 24 2008, 19:15
- - DigitalDictator   I wonder what the plot (or chart) would look like ...   Nov 24 2008, 19:42
|- - Alex B   QUOTE (DigitalDictator @ Nov 24 2008, 20...   Nov 24 2008, 20:51
|- - /mnt   QUOTE (Alex B @ Nov 24 2008, 20:51) QUOTE...   Nov 24 2008, 22:14
- - melomaniac   Thank you for this interesting bitrate table. Very...   Nov 24 2008, 19:49
- - senab   QUOTE (Alex B @ Nov 24 2008, 20:17) I not...   Nov 24 2008, 22:21
- - kornchild2002   I saw that the Evanescence track suffered from the...   Nov 24 2008, 23:25
- - /mnt   And for some reason Powerslave by Iron Maiden real...   Nov 24 2008, 23:37
- - Alex B   Actually I really would not like to start testing ...   Nov 25 2008, 00:12
- - CiTay   I updated the bitrate estimates on the LAME page a...   Nov 25 2008, 00:20
- - /mnt   I have made a table of 29 sfb21 bloated tracks at ...   Nov 25 2008, 01:27
- - skelly831   Great info guys! the ~60kbps savings with -Y a...   Nov 25 2008, 07:01
- - Alex B   Thanks tosse. I did some tests and I think you are...   Nov 25 2008, 12:59
- - Pio2001   Hello, A bit surprised by the low target bitrate o...   May 31 2009, 19:31
- - MClemo   On my collection of 12579 files I got an average b...   Jun 1 2009, 10:42


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