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A couple more:

    afconvert(1) - an audio file format converter, which includes Apple's superior AAC codec from the Core Audio framework

    diskutil(8) - tons of tools for fixed and removable storage
Examples:

    afconvert in.wav -o out.m4a -q 127 -s 2 -b 160000 -f m4af -d 'aac '

    mb=300; diskutil eraseVolume APFS myramdisk `hdiutil attach -nomount ram://$((mb*2048))`
> afconvert

Oh wow! A while back I ripped some concert audio from Youtube, but it was too large for me to sync using my `iTunes Match`. I've been too lazy to figure out how to downsample it juuuuust enough. But it looks like this works right out of the box

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How does that compare with ffmpeg? The arguments seem about the same.
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