Patent · US Expired

Voice recognition for filtering and announcing message

US7136458B1 · kind B1 · utility

53Cited by
8References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 1999
Grant dateNov 14, 2006
Priority date
Expiry dateDec 23, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M2201/40
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A system and method of call-routing and caller-screening that employs voice recognition to automatically recognize a caller's voice and then screen a caller, if appropriate; all without forcing the caller to identity himself/herself, which may be perceived as rude or offensive by some callers. Instead, a synthesized voice automatically asks the caller to identify who the caller wishes to speak with. Caller's response to this query is used to identify the callee as well as to optionally identify the caller. Thus, the screening of the caller takes place in a manner that the caller perceives as a more natural way of telephone communication. Caller's speech is used to generate digital voice samples therefrom and the caller's voice samples are directly compared with other voice samples stored in a database without converting the voice samples into digital text files. Present methodology is particularly useful when it is desired to limit one or more caller's direct access to the called party as well as to identify a caller before the called party wishes to proceed with the call. The digital call assistant system of the present invention may be implemented, for example, in a telephone com…

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