— by https://youtu.be/TYF5ytMDFpA
- Audacity
- Audio File
- Open the file
- REMOVE BG NOISE — Use empty track on start of recodring then click drag & select then > Effects > Noise Reduction > Take Sample > Slect Entire track > Effects > Repeat Noise Reduction
- COMPRESS — Effects > Compress > Threshold -18
- BASS BOOST — Effects > Equilization > Bass Boost
- TREBLE BOOST — Effects > Equilization > Bass Boost
- PEAK/HARD LIMITER — Effects > AUPeakLimiter or Hard Limiter or Peak Limiter
- NORMALIZE — Effects > Normalize