"Ivo Woltring" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Dear Pythoneers, > > I have this problem with the time calculations of an VBR (variable bit rate) > encoded MP3. > I want to make a daisy writer for blind people. To do this I have to know > exactly what the length in time of an mp3 is. With CBR encoded files I have > no real problems (at least with version 1 and 2), but with VBR encoded I get > into trouble. > I noticed that players like WinAMP and Windows Media player have this > problem too. > I don't mind to have to read the whole mp3 to calculate, because performance > is not a real issue with my app. > > Can anyone help me? I am really interested in technical information on VBR > and MP3. > Can anybody tell me the length in time of the different bitrates in all the > versions of mp3 and all the layers. > > Tooling or links also really welcome. My own googling has helped me some but > on the subject of VBR I get stuck.
Try mmpython. It has something to deal with the VBR tags( XING header ). Dmitry/ -- http://mail.python.org/mailman/listinfo/python-list
