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PCE
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DIFF Subgroup
G11B 27/022

Electronic editing of analogue information signals, e.g. audio or video signals

Introduced: January 1990

Full Title

Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel > Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers > Electronic editing of analogue information signals, e.g. audio or video signals

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1990.

Child Classifications

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  • G11B 27/024 on tapes (G11B27/028, G11B27/029 take precedence) since 1990 IPC+CPC Available in IPC and CPC
  • G11B 27/026 on discs (G11B27/028, G11B27/029 take precedence) since 1990 IPC+CPC Available in IPC and CPC
  • G11B 27/028 with computer assistance since 1990 IPC+CPC Available in IPC and CPC
  • G11B 27/029 Insert-editing since 1990 IPC+CPC Available in IPC and CPC