APPENDIX: Noise reduction

Noise and S/N ratios

Finite dynamic range and analog media


Pumping and noise leakage. Multiband compansion.

Perceptual processing. Utilizing masking phenomena.

More for less: sliding band compansion

Noise reduction systems

 ‐mention dbx here in the introduction for balance!
 ‐Otherwise everything is Dolby, which was not nice…

Dolby A

Dolby B and C

Dolby S and SR