Chapterize Add chapters to AAC files
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chapter add aac add chapter aac chapter m4a chapter

Chapterize Description

Add chapters to AAC files What I do is record radio programs with Audio Hijack Pro (Car Talk, Wait Wait, etc.) and write them to CD so I can listen to them in my car (since I am not always home when those programs are on). Now, rather than have one hour-long CD track, I would open them in Sound Studio, break them up into 3 sessions (divided at their 17-minute breaks), save them as separate AIFF files and record them to CD with Toast. This took a lot of manual work. However, I recently discovered-after downloading an audio book and writing it to CD-that iTunes would break the book into separate tracks by chapter when burning to CD (I'm using iTunes 5). So I discoverd Apple's ChapterTool. This will allow a person to make chapters in my M4A files (the format I use to record the radio shows with Audio Hijack Pro). And I also discovered the "Join Together" script, which I used to figure out how to send a command to the Terminal to run ChapterTool. (I am lost when it comes to the Terminal. I can change directories, but that's about it.) So what I did was create an XML file (which ChapterTool uses to get the info on where to put the chapters in the audio file). Because I don't know where the breaks in the program will be - some NPR programs break at the 17-minute mark, others vary sightly-I decided just to break them up into 10-minute increments. This allowed me to use a standard XML file for every program.I then created the script 'Chapterize' (some sections leveraged from the Join Together script). Chapterize is a small AppleScript that adds chapters to M4A (AAC) files.The script runs from within Audio Hijack Pro, but you could change it so it runs when you drop a file on it. The ChapterTool folder and the XML file are both in the Music folder (that's where the script looks for them - you will have to change it so your XML file has the same name as what is in the script). It saves a new, chapterized copy of the Audio file with "_CHP" added at the end, in the same folder as the original. Since each Audio file may take a minute or two to process, I added the 'say' commands so I could get an audio update of what is going on. It also beeps 3 times and opens the destination folder when it is done. I just ran this on 20 files and it worked great. I then imported one into iTunes and burned it and it worked - there were 6 files on the CD. One thing I need to remember though, is to set the Gap Between Songs in iTunes burning preferences to 'None' since the gap may end up in the middle of a word or sentence-I don't want a 2-second gap in between the tracks. Requirements: · ChapterTool

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