Technique for recognizing telephone numbers and other spoken information embedded in voice messages stored in a voice messaging system
US6570964B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 1999 |
| Grant date | May 27, 2003 |
| Priority date | — |
| Expiry date | Apr 16, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2203/301
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A technique for recognizing telephone numbers and other information embedded in voice messages stored in a telephone voice messaging system. A voice recognition system is coupled to the telephone voice messaging system. A voice message stored in the voice messaging system is transferred to the voice recognition system. The voice recognition system segments the voice message and then searches the segments for a predetermined speech reference model (grammar) which is expected to contain information of importance to the recipient of the message. In a preferred embodiment, the predetermined is a numeric grammar which specifies a sequence of numbers occurring in the voice message. In alternate embodiments, the grammar specifies a date, a time, an address, and so forth, and can specify more than one such type of information. The grammar can be modified or selected by the recipient of the voice message so that the voice recognition system searches for information of particular interest to the recipient. Once the predetermined grammar is identified, the voice recognition system outputs a portion of the stored voice message which includes the grammar. The output can be a display of the info…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.