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A Comparison of mp3 Sample Rates and Encoder Efficiency

by Joseph W. Rivers
This is currently under construction. Some links may not work.

Compare for yourself the difference between one encoder and another. Please note that this comparison is not meant to be an evaluation of encoders but to demonstrate how the quality of an mp3 file can vary from one encoder to another and between similar bitrates. Can your hear any differences?
Encoder Comparison Chart
Rate
Blade Encoder
mp3 encoder 0.12
Cleaner
iTunes 4
- - -
32kbps
BE-D35@32.mp3
MP3-D35@32.mp3
not
available
not
available
coming soon
64kbps
BE-D35@64.mp3
MP3-D35@64.mp3
not
available
not
available
coming soon
128kbps
BE-D35@128.mp3
MP3-D35@128.mp3
CL-D35@128.mp3
iTunes-D35@128.mp3
coming soon
160kbps
BE-D35@160.mp3
MP3-D35@160.mp3
not
available
iTunes-D35@160.mp3
coming soon
256kbps
BE-D35@256.mp3
MP3-D35@256.mp3
CL-D35@256.mp3
iTunes-D35@256.mp3
coming soon
320kbps
BE-D35@320.mp3
MP3-D35@320.mp3
not
available
iTunes-D35@320.mp3
coming soon

The original 16 bit, 44.1kHz recording of the 1978 Martin D-35 guitar used in the comparison

My thanks to Bill Farrar for encoding the Cleaner(TM) samples.


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All rights reserved. Not to be used
without written permission.

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October 26, 2003