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2
votes
4answers
416 views

How can I convert an m4a to mov?

I have a m4a audio file that I need to convert to a mov file. How can I do this?
2
votes
1answer
1k views

How to re-encode iTunes m4a files to mp3

I want to convert some of my iTunes m4a files to mp3 files but because I have multiple iTunes accounts, iTunes wont play these files due to computer authorisation issues therefore I can't use iTunes ...
0
votes
2answers
103 views

How to build a simple app that turns text to m4a files

I'm learning Chinese and want a way to quickly generate and save words and phrases to m4a files. I've managed to do pretty much what I want in terminal, but I can't seem to figure out how to make an ...
4
votes
3answers
1k views

Convert ALAC to aac 128k with all metadata intact

I have about 300 gigs of ALAC files (m4a container) with well groomed metadata, album art, etc. (Original source: CD rips with dbPowerAmp). I want to convert my music library to 128kbps AAC (still ...
0
votes
1answer
115 views

Does iTunes put my iTunes account information in track files when I import CD albums?

Does iTunes put my iTunes account information in track files when I import CD albums? I never shared any music because I prefer to buy original CDs but if someone stoles some files of mine can my ...
3
votes
4answers
2k views

How to replace an MP3 or M4A in iTunes with a higher quality file, without having to re-do playlists containing the track?

I have in my iTunes library some songs that, years ago, I ripped from CDs at bit rates of only 128kbps. Storage is cheap now and I'd like to replace those songs with higher-quality versions (e.g. ...
2
votes
2answers
2k views

How to replace mp3 files with m4a versions in itunes?

A few points before I get into my question/issue: I am not looking for a way to convert file formats. The library and all music is located on another Mac on the local network (so it is not indexed ...
1
vote
1answer
249 views

copy song info from mp3 file to aac file from terminal

I am trying to create a script that performs various conversions between formats of audio files. In one particular step, I use afconvert in Terminal to convert an mp3 to aac(mpeg4/m4a), but in this ...
6
votes
5answers
3k views

Merge multiple m4a files

Is there an easy way to do this? I have several folders with music files that I want to join. So it would be good if there is a batch solution to this problem.
0
votes
1answer
151 views

How do I remove the “video” flag from a transcoded .m4a file?

I transcoded a bunch of music videos downloaded for free from the iTunes Store to audio only .m4as in the Finder, following the hint at ...
0
votes
0answers
283 views

Best way to convert MP3 audiobooks to M4B ones?

I am looking for the best way to convert convert MP3 audiobooks to M4B ones. Minimize the quality loose on recompression. Optionally be able to auto-choose best M4A/M4B compression method based on ...