I recently started collecting audiobooks and most that you download are in a series of mp3's. In order to use in other situations, I need to convert them to standard audiobook files with an extension of m4b. I am using a program called chapter and verse to convert the mp3 to m4A and then it takes the m4a files and creates an m4b book file. I have been testing on one book Contact by Carl Sagan. I have created one large book at about 217mb and two books with half in one and half in the other of about 108mb each.
I have the files playing in madsonic, but they get a log error: WARN StreamController Unknown duration for contact chapter 1-10. Unable to estimate transcoded size.
Small or large files play, but of course on the now playing screen there is no end time, no progress bar, just plays. I don't know it this is a transcoding error or madsonic just can't handle it.
Here is the latest transcoding setting i am using:
m4b mp3 ffmpeg -i %s -aq 0 -ar 44100 -ac 2 -v 0 -f mp3 -
I tried it with this previously with same results:
ffmpeg -i %s -map 0:0 -b:a %bk -v 0 -f mp3 -
any suggestions?
madsonic version: 5.1.5240.20150506.1212
ffmpeg version N-66917-g0e406ab Copyright (c) 2000-2014 the FFmpeg developers (24.10.2014)
Thanks
AudioBook m4p files - madsonic unable to determine duration
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Re: AudioBook m4p files - madsonic unable to determine durat
As I know, M4P files are from Apple music, they are DRM protected, so you have to use a DRmare Audio Converter to break DRM as well as convert them to a universal format. check may take a look at it here to get it of any hassles.
I personally an Apple Subscriber, I am only able to play them on apple devices until I remove DRM protection.
I personally an Apple Subscriber, I am only able to play them on apple devices until I remove DRM protection.
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Re: AudioBook m4p files - madsonic unable to determine durat
Did you mind to change another software to convert your audiobooks? If you are looking for an easy and practical program to batch convert audiobooks, you can have a try with AudFree DRM Audio Converter, which also can convert audiobook to m4b losslessly. I'm an audiobooks lover, it's work well for me.