helical scan

Definitions

Computing

  • noun a method of storing data on magnetic tape in which the write head stores data in diagonal strips rather than parallel with the tape edge so using the tape area more efficiently and allowing more data to be recorded. It is used most often in video tape recorders.

Media Studies

  • noun a method of storing data on magnetic tape in which the write head stores data in diagonal strips rather than parallel with the tape edge so using the tape area more efficiently and allowing more data to be recorded. It is used most often in videotape recorders.
http://www.dictionarycentral.com/definition/helical-scan.html