FI (list display)

  • H04S5/00
  • Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation (arrangements for producing a reverberation or echo sound G10K 15/08) [3] HB CC 5D162
  • H04S5/00,500
  • .Virtual 5 or more channel system, e.g. virtual surround HB CC 5D162
  • H04S5/02
  • .of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals [3] HB CC 5D162
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