Patent · US Active

Advanced methods for interpolation and parameter signalling

US7974847B2 · kind B2 · utility

41Cited by

12References

31Claims

0Family size

Assignee

Coding Technologies AB · SE

Inventors

Kristofer Kjoerling · Solna, SE
Heiko Purnhagen · Sundbyberg, SE
Jonas Engdegard · Stockholm, SE
Jonas Roeden · Solna, SE

Key dates

Filing date	Nov 22, 2005
Grant date	Jul 5, 2011
Priority date	—
Expiry date	Aug 25, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG10L19/008
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A parameter calculator calculates lower resolution parametric information and interpolation information. On a decoder-side, an upmixer is used for generating the output channels. The upmixer uses high resolution parametric information generated by a parameter interpolator using the low resolution parametric information and decoder-side derived interpolation information or encoder-generated interpolation information for selecting one of a plurality of different interpolation characteristics.

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