Patent · US Expired

Audio-visual scrubbing system

US6687664B1 · kind B1 · utility

176Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 15, 1999
Grant dateFeb 3, 2004
Priority date
Expiry dateOct 15, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG10L21/04
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method and apparatus for an audio scrubbing system for synchronizing audio to an asynchronous clock while preserving pitch utilizes a phase-vocoder to implement time-scaling without pitch-shifting.

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