FI (list display)

  • H04S1/00
  • Two-channel systems (H04S 5/00, H04S 7/00 take precedence) [3] HB CC 5D162
  • H04S1/00,200
  • .Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution (control circuits for electronic adaptation of the sound field H04S7/00, 300) HB CC 5D162
  • H04S1/00,500
  • ..For headphones HB CC 5D162
  • H04S1/00,700
  • .downmixing digital multichannel signals to 2 channel signals HB CC 5D162
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