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CBr VBR whats the difference?

F

fastcobra

Senior member
ok got my whole mp3 collection here, trying to burn some cd's to play in my new "san Jose" I got for my Xterra
What is the difference in the cbr/vbr thing?
I am ripping my albums at 160 (prety good quality) and they sound great. Just wanted to know the big deal.
thx
 
192 Kbps CBR = the song is recorded at 192 Kbps constantly throughout the entire song.

~192 Kbps VBR = the song has an average bitrate of 192 Kbps, but it can be lower (say 128 Kbps) for uncomplicated parts of the song, but it can get bumped up to a higher bitrate (say 320 Kbps) for complicated parts of the song.
 
You can also have CBR and VBR video files, it's not limited to just audio, the difference becomes ever more apparent in video files too.

However, a 160kbps mp3 VBR will "average" 160kbps over the duration of the song.
 
Actually, a true VBR-encoded MP3 doesn't really have a specified bitrate, just a minimum bitrate and a maximum bitrate. For example, a high quality VBR-encoded song might have a minimum bitrate of 160kbps and a max of 320kbps. (The min/max are set before encoding)
 
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