I have used it too, just was annoying with a CD rip that I tried it with that added each track as a chapter so it had hundreds of chapters lol. Note: even though audacity has export labels.txt and I couldn't figure out how to create chapter markings with m4b-chaps. Then the resulting mp3 files can be used to make an audiobook using m4b-tool merge as detailed above. If not just use the numbering option when using File / Export Multiple files. Edit labels you can name the chapters if you wish. ![]() So found out Audacity / Select All / Analyze / Silence Detection (set to 3000ms (3 seconds) finds chapters perfectly and in about a minute. Next tried to use -silence-detection with m4b-tool split and had memory errors and even tried upping memory limit in or whatever but no luck. Wanted to get chapters for some a pre-existing m4b audiobook that had no chapters and do it automatically. So that worked great and works on IINA and BookPlayer (iOS) and shows chapters in the resulting m4b. Audiobook Player enables you to play audio books on your Windows device. use-filenames-as-chapters (put the mp3s and appropriately name with the chapters. Audiobook Binder Download and Install for your computer - on Windows PC 10, Windows 8 or Windows 7 and Macintosh macOS 10 X, Mac 11 and above, 32/64-bit processor, we have you covered. This speeds it up so much faster (4x faster) than $5 AudioBook Builder on Mac) jobs 4 (I have a quad core CPU so it uses all cores to process. audio-bitrate (done tons of testing and 32kbps with 22050 Hz and AAC using aac_he_v2 (AAC High Efficiency version 2) seems to save about 7MB for a typically audiobook) We’ll be using a group of image files as an example, but you can zip any type of file. Windows refers to a Zip file as a compressed folder, so the terms are interchangeable in this case. audio-codec (AAC I think this one is default so might not have to specify this.can't remember) First, open File Explorer and locate the files or folders you’d like to compress and combine into a Zip file. Of course if plays to both left and right but for audio books no need for stereo) skip-cover (I hardly ever use covers otherwise put cover.jpg in same directory as all the mp3 files and don't specify this option) M4b-tool merge -v -skip-cover -audio-channels 1 -audio-bitrate 32k -audio-samplerate 22050 -audio-codec aac -audio-profile aac_he_v2 -jobs 4 -use-filenames-as-chapters "data/my-audio-book/" -o "data/my-audio-book.m4b" ![]() Then I wish I read the instructions better but after that's finished upgrade to the latest pre-release (Feb 9, 2021) or if a newer one comes out. I spent many hours yesterday screwing around with m4b-tool (command line (win, linux, Mac - free wrapper for ffmpeg to create m4b audiobooks).įollowed the instructions to install on macOS Catalina with brew m4b-tool version 0.4.2 (from August 11, 2019)
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