A user takes the original 1986 CD (16/44.1) and uses professional software (like SoX or dBpoweramp) to upsample it to 24/88.2. While this does not add "new" musical information (you cannot create data that wasn’t there), it moves quantization noise out of the audible band. Many DACs actually perform better processing 88.2kHz files than 44.1kHz files.
If you are a fan looking to experience this 1986 masterpiece, seeking out a high-resolution FLAC 88.2kHz/24-bit version is the closest you can get to sitting in the control room with Flemming Rasmussen and the band during those legendary sessions. Metallica - Master Of Puppets -1986- -FLAC- 88
The drones closed in, their speakers emitting a low, hypnotic hum intended to induce sleep. Jax felt his eyelids grow heavy. His heart rate slowed. The Algorithm was winning. A user takes the original 1986 CD (16/44
