MP3 files: recommended bitrate, and how to batch-convert

shmu26

Estimable
Feb 18, 2014
117
0
4,660
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I have a large collection of lectures in MP3 format, and I have two questions:

1 what is the recommended bitrate for lectures? I don't want to lose quality, but I also don't want to waste storage space.

2 how can I batch-convert them in a way that will preserve the folder structure?
 

Hlsgsz

Commendable
Feb 29, 2016
158
0
1,710
36
Unless you have special player device requirements, go for AAC 48kbps.

Here's open surce conversion software: https://sourceforge.net/projects/lamexp/
 

Hlsgsz

Commendable
Feb 29, 2016
158
0
1,710
36
Unless you have special player device requirements, go for AAC 48kbps.

Here's open surce conversion software: https://sourceforge.net/projects/lamexp/
 

hang-the-9

Titan
Moderator


If they are already in MP3 format I suggest leaving them as is unless they are large or are setup in high bit rates.

For just speech, you can probably deal with 64 kb/s or even lower, set it for mono instead of stereo and have things sound good.
 
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