MP3 Encoders Comparison


Table of content:
Encoders
Constant Bitrate: Test procedure (CBR) Results CBR Encoding time (CBR)
Variable Bitrate: Test procedure (VBR) Results VBR Encoding time (VBR) Average bitrate of VBR files
Conclusion and optimal settings
Links

Encoding Time - Variable bitrate

This section presents another aspect of mp3 encoders: the encoding time.

Encoding time

The following figures shows encoding time required to encode a 8:05 minutes stereo song (using a Pentium III 600MHz).




Encoding speed

The following figures shows encoding speed for the same audio file and processor.

An encoding speed of 1 means that the time to encode a file is equal to its time length. An encoding speed superior to 1 decrease the encoding time with the given factor. For example, an encoding speed equal to 10 allows to encode a file 10 times quicker that the time length of this audio file.


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