Patent · US Expired

Speech information transmission method and system

US4489433A · kind A · utility

12Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 8, 1984
Grant dateDec 18, 1984
Priority date
Expiry dateMar 8, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG10L15/12
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Vocoder signals in Telex format include a "word accent" code which indicates a sudden change in pitch (fundamental) frequency, perhaps by 50 Hz, usually caused by accenting a certain syllable in a word, whereby continuous speech may be more accurately segmented.

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