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@posaunehm
Last active March 25, 2018 12:39
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Convert aac to mp3, using ffmpeg on mac
for file in *.m4a; do ffmpeg -qscale 0 -i "$file" "${file%.m4a}.mp3"; done
#128kに変換するなら-abを使う
for file in *.m4a; do ffmpeg -aq 100 -i "$file" "${file%.m4a}.mp3"; done
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