Patent · US Active

Multi-channel bass management

US7974417B2 · kind B2 · utility

8Cited by
6References
26Claims
0Family size

Inventors

Key dates

Filing dateApr 13, 2005
Grant dateJul 5, 2011
Priority date
Expiry dateFeb 18, 2030

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2499/13
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A multi-channel audio system including first combining circuitry, for combining a first spectral band of a first plurality channels to provide a first bass audio signal stream; second combining circuitry, for combining the first spectral band of a second plurality channels to provide a second bass audio signal stream; and third combining circuitry, for combining a second spectral band, the second spectral band including lower frequencies than the first spectral band, of the first plurality of channels and the second plurality of channels to provide a third bass audio signal stream.

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