Re: MP3 - VBR - Frame length in time

2004-12-12 Thread Erik Heneryd
Florian Schulze wrote: On Sat, 11 Dec 2004 20:32:30 +0100, Ivo Woltring <[EMAIL PROTECTED]> wrote: mmpython will help but not always. Lets put it this way. I will ALWAYS read through the whole file. In that order I don't mind evaluating each frame. The thing I don't seem to be able to find is th

Re: MP3 - VBR - Frame length in time

2004-12-12 Thread Ivo Woltring
"Florian Schulze" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > On Sat, 11 Dec 2004 20:32:30 +0100, Ivo Woltring <[EMAIL PROTECTED]> > wrote: > > > mmpython will help but not always. > > Lets put it this way. I will ALWAYS read through the whole file. In that > > order I don't mind

Re: MP3 - VBR - Frame length in time

2004-12-11 Thread Florian Schulze
On Sat, 11 Dec 2004 20:32:30 +0100, Ivo Woltring <[EMAIL PROTECTED]> wrote: mmpython will help but not always. Lets put it this way. I will ALWAYS read through the whole file. In that order I don't mind evaluating each frame. The thing I don't seem to be able to find is the timelength-constants

Re: MP3 - VBR - Frame length in time

2004-12-11 Thread Ivo Woltring
"JanC" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Dmitry Borisov schreef: > > > It has something to deal with the VBR tags( XING header ). > > *If* there is a VBR tag (it's a custom extension) and *if* that VBR tag > contains a correct value. > > > -- > JanC > > "Be strict when

Re: MP3 - VBR - Frame length in time

2004-12-08 Thread JanC
Dmitry Borisov schreef: > It has something to deal with the VBR tags( XING header ). *If* there is a VBR tag (it's a custom extension) and *if* that VBR tag contains a correct value. -- JanC "Be strict when sending and tolerant when receiving." RFC 1958 - Architectural Principles of the Inte

Re: MP3 - VBR - Frame length in time

2004-12-08 Thread Dmitry Borisov
"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

Re: MP3 - VBR - Frame length in time

2004-12-08 Thread Lonnie Princehouse
It might be much easier to use an external program to figure out the length. Here's an example that uses sox to convert just about any audio file into a raw format, and then determines duration by dividing length of the raw output by number of bytes per frame. I don't know if they make sox for Win

MP3 - VBR - Frame length in time

2004-12-08 Thread Ivo Woltring
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