Patent · US Expired

Speech intelligibility enhancement

US4454609A · kind A · utility

81Cited by
6References
27Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 5, 1981
Grant dateJun 12, 1984
Priority date
Expiry dateOct 5, 2001

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2225/43
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

In a communications system, consonant high frequency sounds are enhanced: the greater the high frequency content relative to the low, the more such high frequency content is boosted.

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