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I convert all of my music from lossless to 256 kbps CBR m4a. I've always preferred it that way.
However, I installed dBpoweramp on my new laptop and started converting music with it and noticed something strange: Whenever I set it to 256 kbps CBR, it encodes not in CBR but VBR (or possibly ABR), at least according to Winamp. For most of the duration of a song, it will be encoded in 255 kbps, but at times, it will dip lower or go higher.
So what gives?
However, I installed dBpoweramp on my new laptop and started converting music with it and noticed something strange: Whenever I set it to 256 kbps CBR, it encodes not in CBR but VBR (or possibly ABR), at least according to Winamp. For most of the duration of a song, it will be encoded in 255 kbps, but at times, it will dip lower or go higher.
So what gives?
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