Created
April 28, 2025 13:14
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Convert all mp3 within current directory into 32kbps bitrate and tempo faster 1.5 times
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| @echo off | |
| for %%F in (*.mp3) do ( | |
| if not exist "%%~nF.32x1.5.mp3" ( | |
| echo Converting "%%F" to "%%~nF.32x1.5.mp3" with 1.5× speed... | |
| ffmpeg -i "%%F" -map_metadata 0 -filter:a "atempo=1.5" -b:a 32k "%%~nF.32x1.5.mp3" | |
| ) else ( | |
| echo "%%~nF.64x1.5.mp3" already exists, skipping. | |
| ) | |
| ) | |
| echo All files processed! | |
| pause |
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https://kampar.wordpress.com/2025/04/28/ffmpeg-mp3-into-32bit-with-tempo-1-5x-faster/