![Archimago's Musings: HOW-TO: CD Pre-Emphasis & Using SoX De-Emphasis. (And the decline of physical media with vinyl revenue > CD now.) Archimago's Musings: HOW-TO: CD Pre-Emphasis & Using SoX De-Emphasis. (And the decline of physical media with vinyl revenue > CD now.)](https://1.bp.blogspot.com/-8VOE9ViWKBA/X2MFkBRPydI/AAAAAAAAX5I/asn1FT40HhcuonDQLD8Tw0D5W_YFGJ6UgCLcBGAsYHQ/s1256/RIAA%2B2019%2B-%2BMusic%2BRevenue.png)
Archimago's Musings: HOW-TO: CD Pre-Emphasis & Using SoX De-Emphasis. (And the decline of physical media with vinyl revenue > CD now.)
![Archimago's Musings: HOW-TO: CD Pre-Emphasis & Using SoX De-Emphasis. (And the decline of physical media with vinyl revenue > CD now.) Archimago's Musings: HOW-TO: CD Pre-Emphasis & Using SoX De-Emphasis. (And the decline of physical media with vinyl revenue > CD now.)](https://1.bp.blogspot.com/-2FszQnF88oo/X0u_fKtCVOI/AAAAAAAAXwU/3qFZxdnfOuczfNJtwuXfcWhW6PJAeeG-ACLcBGAsYHQ/w1200-h630-p-k-no-nu/Dealing%2Bwith%2BPre-Emphasized%2BAudio.jpg)
Archimago's Musings: HOW-TO: CD Pre-Emphasis & Using SoX De-Emphasis. (And the decline of physical media with vinyl revenue > CD now.)
![Apparently this is the best sounding digital version of “Dark Side Of The Moon”, MIJ. The CD utilizes pre-emphasis so you have to play it back on something that can de-emphasis it Apparently this is the best sounding digital version of “Dark Side Of The Moon”, MIJ. The CD utilizes pre-emphasis so you have to play it back on something that can de-emphasis it](https://external-preview.redd.it/apparently-this-is-the-best-sounding-digital-version-of-v0-RoHyHRRk7YQDEzqgpLvxvZ65cOteCgnra9OVV12PqS4.png?width=640&crop=smart&format=pjpg&auto=webp&s=1aff0603573d2c7c1ff6f2dc8a163987d8cdaab9)
Apparently this is the best sounding digital version of “Dark Side Of The Moon”, MIJ. The CD utilizes pre-emphasis so you have to play it back on something that can de-emphasis it
Impact of Analog and Digital Pre-emphasis on the Signal-to- Noise Ratio of Bandwidth-limited Optical Transceivers
![Archimago's Musings: HOW-TO: CD Pre-Emphasis & Using SoX De-Emphasis. (And the decline of physical media with vinyl revenue > CD now.) Archimago's Musings: HOW-TO: CD Pre-Emphasis & Using SoX De-Emphasis. (And the decline of physical media with vinyl revenue > CD now.)](https://1.bp.blogspot.com/-xVWyaCpsHlk/X0vHwyZYEFI/AAAAAAAAXwk/N0QIlWRbOSkuwAgVBBNNb27PyYtbsv0dgCLcBGAsYHQ/s1600/DSOTM%2BPRE%2BFlag.png)
Archimago's Musings: HOW-TO: CD Pre-Emphasis & Using SoX De-Emphasis. (And the decline of physical media with vinyl revenue > CD now.)
![Time constant and cutoff frequency calculator upper and lower corner frequency RIAA frequency response break RC pad tau and f RIAA NAB CCIR DIN FM conversion cut-off cut off EQ filter emphasis Time constant and cutoff frequency calculator upper and lower corner frequency RIAA frequency response break RC pad tau and f RIAA NAB CCIR DIN FM conversion cut-off cut off EQ filter emphasis](http://www.sengpielaudio.com/Emphasis-Pre-De.gif)