Using ffmpeg to reduce mp3 file size
ffmpeg -i <output-filename.mp3> -b:a 128k <input-filename.mp3>
ffmpeg
-i file # input file path
-b:a 128k # b for bitrate, a for audio stream. 128k defines the target speed of 128 kilobits per second, a standard balance between quality and size
| Bitrate | Quality Level | File Size |
|---|---|---|
| 320k | High (Near Lossless) | Largest |
| 192k | Standard High | Moderate |
| 128k | Good (Standard) | Small |
| 96k | Low (Talk/Podcasts) | Smallest |