FFmpeg - Encode MP3
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ffmpeg -i <input.file> -codec:a libmp3lame -qscale:a 2 <output.file>
The transparency threshold for MP3 to linear PCM audio is said to be between 175 and 245 kbit/s, at 44.1 kHz, when encoded as VBR MP3…
Reference: [FFmpeg: FFmpeg MP3 Encoding Guide]
Reference: [FFmpeg: Guidelines for high quality lossy audio encoding]
Reference: [Wikipedia: Transparency (data compression)]
