Patent · US Expired

Three channel panning system

US6665407B1 · kind B1 · utility

24Cited by
3References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 28, 1999
Grant dateDec 16, 2003
Priority date
Expiry dateSep 28, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R5/02
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A technique for panning over four speakers utilizes an internal three-channel representation (Left, Right, W) where all channel weights are positive. The three channels are combined by a decoder to drive pairs of front and back speakers.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.