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Today I downloaded a soundtrack composed of 19 tracks. Their format is FLAC (24bit depth and 96kHz sampling).

In order to add them to my iTunes library and eventually to my iPod, I converted the files to ALAC (24 bit 48kHz) which is the maximum my 7th gen iPod classic can handle.

Problem is, iTunes won't let me import those converted files into the library. I noticed those files have 6 audio channels. I think that is the problem, and I've started looking for an answer. Internet wasn't very clear, unfortunately.

My question is : is there a way to import those files to iTunes? Is there a way to down mix the files to 2 channel audio or similar, so iTunes can handle them?

(I hope such a conversion wouldn't distort the audio) I usually use XLD to convert my audio files, and there's no option for down mixing.

  • Very confused question... Points: 5.1 is 6 channels; mp4 is not an audio format; down-mixing 5.1 to iPod stereo you may as well throw out the silly sample rates & just go for 128bit 48KHz AAC, because the DACs won't show up much above that unless you're listening on high-end monitors in total silence. [& only 48 to save the odd floating point issues of dropping to 44.1] – Tetsujin Apr 19 '18 at 18:28
  • Well, I've just asked if apple had devised a way to down mix 6 channel audio to stereo(ffmpeg does it really well, but you have to use the terminal; there is no appreciable distortion, the sound is pretty good). I'm not an engineer so I may have made some mistakes while explaining my question, for that I apologise. About the mp4, I've written it because I had read someone on the internet who'd solved a similar problem converting the file to mp4, but I wasn't sure about that. I have a really good hi-fi system, and the differences between lossy and lossless are perceivable. – Luke Apr 20 '18 at 9:59
  • I have to use iTunes because it's the only way I can put songs into my iPod, i don't use it with my hi-fi system. I just wanted to put those songs into my iPod, and preserve their quality in the process. – Luke Apr 20 '18 at 10:01
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I sorted it out! You can down mix the audio files from 6channel to 2 channel using ffmpeg (you have to use the terminal, though). The down mixing process is quick and there are no perceivable distortions in the audio.

  • Sorry, question is confused, answer doesn't help at all. – Tetsujin Apr 19 '18 at 18:20
  • Question : how to put 6 channel audio files on iTunes? has apple devised a way (through iTunes or any other app) to "convert" or better, down mix, the files, so iTunes can open them? (And avoid audio distortions in the process) Answer : ffmpeg does that, but it works through the terminal. you have to input commands through the terminal – Luke Apr 20 '18 at 10:07

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