Calculate MP3 Length

adrianh · March 20, 2010, 9:51am

Hi

Is it possible for MP3Tag to calculate the length of selected mp3's and update the LENGTH field in the tag via an action (or a batch mode)

Reason for this question is that the XBox 360 only displays the duration of a mp3 when the LENGTH tag is present.

Regards

DetlevD · March 20, 2010, 10:13am

Yes, it is possible.
If you speak about duration in seconds, then you can use the %_length_seconds% system variable, which contains the length of the music part of a file in seconds.
This length is a value rounded to seconds, not an accurate value of samples or fractions of a second.
Create an action "Format value" for the tag field LENGTH and use %_length_seconds% as format string.
Run this action against each file you want.

DD.20100320.1213.CET

adrianh · March 20, 2010, 10:29am

Thanks for the prompt reply, this solution works great.

Note that LENGTH fields holds milliseconds so I had to multiply %_length_seconds% by 1000.

$mul(%_length_seconds%,1000)

DetlevD · March 20, 2010, 10:35am

Ok, well done.