Thank you for your advice.
I understood that part2_3_length is supposed to be the number of
substantial sound data.
Then, how can I calculate the size of total main data in *last* frame
in mp3 file? I think the following calculation is for non-last frame.
the size of main data = fram
> Why are there mp3 files in which the value of part2_3_length is zero?
> e.g. http://php.s3.to/bbs/up/img/216.png
> Isn't the part2_3_length length of main data per 1granule, 1channel?
Because the frame contains totally no sound (the frame is digital silence).
Hello,
I am making some mp3 analyzing tool.
I am not certain that the following is correct mp3 format, so
would you advise me wheather it is correct?
(ID3v2)
---
frame side information4byte
(CRC)
{main_data_begin,private_bits,scfsi_data} 16b
