Recording modes

as recording modes one designates a procedure for the letter of data on a data medium.

logical recording mode

a logical recording mode is with data media the kind of coding, which is accomplished before the physical letter on the data medium. Usual recording modes with magnetic data memories are today:

  • Partial Response/maximum Likelyhood (PRML) and increases
  • Extended Partial Response/maximum Likelyhood (EPRML)

in former times was procedures how:

Today MFM is only used with disks. With optical data media other recording modes become how:

physical write technology

the physical write technology is the actual physical procedure to modify a data medium in such a way that from it again (the same) data can be won later.

In addition belong:


 

  > German to English > de.wikipedia.org (Machine translated into English)