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App for downsizing MP3s automatically when copying to a phone? (sh.itjust.works)
submitted 1 year ago by to c/linux@lemmy.ml
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I'm ditching streaming services and just going with local music. However all my CDs are converted to either flac or 320kbps mp3 files on my PC and thus far too large for the limited storage I have on my phone.

I was hoping there might be an app that would automatically downconvert to something like 128kbps and then copy over to the Music directory on my phone. A bit like how Calibre can automatically convert eBook files (e.g. mobi to epub) and then send them to your ereader?

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[–] [S] 6 points 1 year ago (1 child)

You are correct and I don't normally like to listen to anything less than 320kbps. BUT, my phone does not have expandable memory so it's hard limited. And where I listen to most of my music while travelling is in the car using the car's speakers which aren't going to make much difference listening to 128vs 320. Even when streaming music, I'm not going to get 320. I may go up to 192kbps instead of 128 but I doubt it will make much audible difference with shitty car speakers.

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  • [–] 20 points 1 year ago*

    If your device supports it, you might want to encode to Opus instead. Opus produces much higher quality files at much smaller file sizes than MP3.

    For example, Opus at 128kbps is considered transparent when compared to the source file. You can probably go down to 64-96kbps when its just for playback in your car.

    https://wiki.xiph.org/Opus_Recommended_Settings

    As for transcoding them, you might want to check out ffmpegfs: https://github.com/nschlia/ffmpegfs

    It can create a "virtual" drive based on your source files and automatically transcodes them when you drag & drop files from there onto your device.

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