Apparatus and method for phonetically screening predetermined character strings

• US 6,804,650 B2
• Filed: 12/20/2000
• Issued: 10/12/2004
• Est. Priority Date: 12/20/2000
• Status: Expired due to Term

• Current Assignee: Interactions, LLC
• Original Assignee: Bellsouth Intellectual Property Corporation (AT&T, Inc.)
• Inventors: Simpson, Anita Hogans
• Primary Examiner(s): To, Doris H.
• Assistant Examiner(s): Opsasnick, Michael N.
• Application Number:
  US09/742,779
• Publication Number:
  US 20020077820A1
• Time in Patent Office: 1,392 Days
• Field of Search: 704/260, 704/269, 379/221.01, 379/221.06, 379/221.09, 379/221.1, 379/221.12, 379/235
• US Class Current: 704/260
• CPC Class Codes: G10L 13/00 Speech synthesis; Text to speech systems
• CPC Class Codes: H04M 2201/39 using speech synthesis speech synthesis per se G10L13/00
• CPC Class Codes: H04M 2203/306 Prerecordings to be used during a voice call
• CPC Class Codes: H04M 3/436 Arrangements for screening incoming calls , i.e. evaluating the characteristics of a call before deciding whether to answer it based on the calling party profile H04M3/42059; based on location H04M3/42348; based on presence H04M3/42365; diversion H04M3/54
• CPC Class Codes: H04Q 2213/13378 Speech recognition, speech analysis
• CPC Class Codes: H04Q 3/0029 Provisions for intelligent networking

Abstract

An apparatus for phonetically screening predetermined character strings. The apparatus includes a text-to-speech module, and a phonetic screening module in communication with the text-to-speech module. The phonetic screening module is for replacing a first character string with a second character string based on a phonetic enunciation by the text-to-speech module of the first character string.

Claims

1. An apparatus for phonetically screening predetermined character strings, comprising:

a text-to-speech module; and

a phonetic screening module in communication with the text-to-speech module, wherein the phonetic screening module is for replacing a first character string with a second character string based on an inappropriate phonetic enunciation associated with the first character string, the second character string having a phonetic enunciation dissimilar to the inappropriate phonetic enunciation associated with the first character string.

2. The apparatus of claim 1, wherein the phonetic screening module is further for comparing the first character string with a plurality of predetermined character strings having a corresponding plurality of inappropriate phonetic enunciations associated therewith, and for replacing the first character string with the second character string when the first character string matches one of the plurality of predetermined character strings.

3. The apparatus of claim 2, wherein the second character string has a length selected from the group consisting of zero characters, one character, and a plurality of characters.

4. The apparatus of claim 2, wherein the text-to-speech module is for converting the second character to speech output.

5. A network for providing a telecommunications service with phonetic screening to a telecommunications user, comprising:

a switch in communication with a telecommunications device associated with the telecommunications user for detecting a trigger specific to the telecommunications service in response to a communication from one of the telecommunications user and a calling party; and

an intelligent peripheral device in communication with the switch for;

receiving from the switch a message including a character string identifying the calling party;

replacing the character string with a substitute character string when the character string matches one of a set of phonetically predetermined character strings having a corresponding set of inappropriate phonetic enunciations associated therewith, wherein the substitute character string has a phonetic enunciation dissimilar to the one of the set of phonetically predetermined character strings; and

converting the substitute character string to speech output for transmission to the telecommunications user via the switch.

6. The network of claim 5, wherein the telecommunications service is selected from the group consisting of a talking call waiting telecommunications service, an audio calling name telecommunications service, and an audio call return telecommunications service.

7. The network of claim 5, wherein the switch includes an SSP switch of a central office in communication with the telecommunications device via a subscriber line.

8. The network of claim 5, wherein the switch includes a switch of a mobile switching center in communication with the telecommunications device via an air-interface communication scheme.

9. The network of claim 5, further comprising a service control point in communication with the switch.

10. The network of claim 9, wherein:

the switch is further for sending a query message to the service control point in response to detecting the trigger; and

the service control point is for returning a message to the switch including the character string identifying the calling party.

11. A network for providing a telecommunications service with phonetic screening to a telecommunications user, comprising:

a switch in communication with a telecommunications device associated with the telecommunications user for detecting a trigger specific to the telecommunications service in response to a communication from one of the telecommunications user and a calling party;

a call processing module in communication with the switch for receiving from the switch a message including a character string identifying the calling party;

a phonetic screening module in communication with the call processing module for replacing the character string with a substitute character string when the character string matches one of a set of phonetically predetermined character strings having a corresponding set of inappropriate phonetic enunciations associated therewith, wherein the substitute character string has a phonetic enunciation dissimilar to the one of the set of phonetically predetermined character strings; and

a text-to-speech module for converting the substitute character string to speech output for transmission to the telecommunications user via the switch.

12. The network of claim 11, wherein the telecommunications service is selected from the group consisting of a talking call waiting telecommunications service, an audio calling name telecommunications service, and an audio call return telecommunications service.

13. The network of claim 11, wherein the switch includes an SSP switch of a central office in communication with the telecommunications device via a subscriber line.

14. The network of claim 11, wherein the switch includes a switch of a mobile switching center in communication with the telecommunications device via an air-interface communication scheme.

15. The network of claim 11, further comprising a service control point in communication with the switch.

16. The network of claim 15, wherein:

the switch is further for sending a query message to the service control point in response to detecting the trigger; and

the service control point is for returning a message to the switch including the character string identifying the calling party.

17. The network of claim 11, further comprising a DTMF decoder module in communication with the call processing module.

18. A network for providing a telecommunications service with phonetic screening to a telecommunications user, comprising:

means for detecting a communication from one of the telecommunications user and a calling party;

means for retrieving a first character string associated with the calling party;

means for replacing the first character string with a second character string when the first character string matches one of a set of phonetically predetermined character strings having a corresponding set of inappropriate phonetic enunciations associated therewith, wherein the second character string has a phonetic enunciation dissimilar to one of the plurality of phonetically predetermined character strings; and

means for converting the second character string to speech output for transmission to the telecommunications user.

19. A method for providing a telecommunications service with phonetic screening to a telecommunications user, comprising:

detecting a communication from one of the telecommunications user and a calling party;

replacing a first character string associated with the calling party with a second character string when the first character string matches one of a set of phonetically predetermined character strings having a corresponding set of inappropriate phonetic enunciations associated therewith, wherein the second character string has a phonetic enunciation dissimilar to the one of the set of phonetically predetermined character strings; and

converting the second character string to speech output for transmission to the telecommunications user.

20. A method for phonetically screening predetermined character strings, comprising:

receiving a first character string;

comparing the first character string with a set of phonetically predetermined character strings having a corresponding set of inappropriate phonetic enunciations associated therewith; and

replacing the first character string with a second character string when the first character string matches one of the set of phonetically predetermined character strings, wherein the second character string has a phonetic enunciation dissimilar to the one of the set of phonetically predetermined character strings.

21. The method of claim 20, further comprising converting the second character string to speech output.

22. A system, comprising:

a text-to-speech module;

a phonetic screening module in communication with the text-to-speech module, wherein the phonetic screening module is for replacing a first character string with a second character string based on an inappropriate phonetic enunciation associated with the first character string, the second character string having a phonetic enunciation dissimilar to the inappropriate phonetic enunciation associated with the first character string; and

a speaker device in communication with the text-to-speech module via a network.

23. The system of claim 22, wherein the phonetic screening module is further for comparing the first character string with a plurality of predetermined character strings, and replacing the first character string with the second character string when the first character string matches one of the plurality of predetermined character strings.