XRECODE

Following up to this after further XRECODE experimenting:

I think XRECODE always produces an accurate CUE file but sometimes the merged audio does not line up. If I merge the audio files with ffmpeg command line then it lines up OK with XRECODE's CUE file.

ffmpeg -f concat -safe 0 -i files -c copy ...

Thanks for tip about m4b audiobook format.

re: embedded chapters in m4a or mp3, the only tool I've found so far that can do it is a Mac program: https://rogueamoeba.com/fission

The player I was using is Total Recorder (http://www.totalrecorder.com/). I also see the drift in VLC player 3.0.8.

Foobar2000 plays it OK for me. Hmm. And Android app "Listen Audiobook Player" is OK too.

I tested CUE file generation also with merged m4a files and it still seems to exhibit the ...

The updated XRECODE seems to drift even worse :shock: if I choose to transcode the tracks, CUE is generated OK.

Here's a webpage with description of embedded chapters and examples for mp3, m4a, opus, and ogg vorbis
https://auphonic.com/blog/2013/07/03/chapter-marks-and-enhanced-podcasts/

Thanks ...

thanks!

You could use the latest 10 files at https://wtfpod.libsyn.com as an example case. I use the bash one-liner below to download the last X episodes.

for f in $(curl https://wtfpod.libsyn.com/page/1/size/10 | grep -o "http.*mp3"); do wget -nc $f; done

I merge them together as MP3, no ...

XRECODE v1.99

In Merge/CUE operations, the created CUE file has track start times that drift out of sync. The farther you go into the merged file, the larger the error. That is, a short track merged at the end of a really long track, or the tracks towards the end of a large number of tracks.