Automatic voice call connection service method using personal phone book databse constructed through voice recognition

• US 20040247088A1
• Filed: 03/03/2004
• Published: 12/09/2004
• Est. Priority Date: 09/04/2001
• Status: Active Grant

• Current Assignee: Moon Seub Lee
• Original Assignee: Moon Seub Lee
• Inventors: Lee, Moon Seub
• Granted Patent: US 7,561,672 B2
• Time in Patent Office: Days
• US Class Current: 379/88.01
• CPC Class Codes: H04M 3/42204 Arrangements at the exchange for service or number selection by voice at the terminal H04M1/27

Abstract

Disclosed is an automatic voice call connection service method using a personal phone book database constructed through voice recognition, which includes the steps of allocating personal databases corresponding to phone number to each service user; storing name text, speaker verification feature, speaker-dependent voice recognition name feature and called phone number to the personal database; extracting the speaker verification feature when the speaker requires a phone call and then sending the feature to a voice recognition server/database; verifying the speaker with the feature and searching a name text and a called phone number with the speaker-dependent voice recognition name feature; checking the searched name text and sending the text as a voice to the user; and connecting the call through a public switched telephone network (PSTN).

Claims

1. An automatic voice call connection service method using a personal phone book DB comprising the steps of:

(a) allocating a personal storage area in the personal phone book DB corresponding to a personal phone number to each service user;

(b) storing a name text, a speaker verification feature, a speaker-dependent voice recognition name feature and a called phone number, which are obtained on the basis of a spoken name and a pushed called phone number from the service user, to the personal storage area by using a calling phone number as a key;

(c) when the user inputs a called name in a voice to request a call connection to a called phone number, extracting a speaker verification feature and a speaker-dependent voice recognition name feature from the voice of the user with a voice guidance and voice feature extracting device and then sending the features to a voice recognition server together with a calling phone number obtained from a local exchange;

(d) verifying the user with the extracted speaker verification feature and searching a name text and a called phone number corresponding to the extracted speaker-dependent voice recognition name feature from the personal phone book DB by using the voice recognition server;

(e) sending the searched name text to the voice guidance and voice feature extracting device so that the voice guidance and voice feature extracting device searches each syllable of the name text from a name syllable DB to generate the name in a voice, and sending the name in a voice to the calling phone so that the user confirm the called name;

(f) the voice recognition server transmitting the sent calling phone number and the searched called phone number to an intelligent network service control point after the conformation step (e); and

(g) the intelligent network service control point connecting a call by using the calling phone number and the called phone number.

2. The automatic voice call connection service method according to claim 1, wherein, to construct the personal phone book DB, the step (b) includes the steps of:

(h) the voice guidance and voice feature extracting device requesting and obtaining the calling phone number from the calling local exchange;

(i) the voice guidance and voice feature extracting device extracting the speaker verification feature and the speaker-dependent voice recognition name feature from the name spoken by the user;

(j1) the voice guidance and voice feature extracting device obtaining the name text by extracting a text of the spoken name with a speaker-independent voice recognition technology and checking the text by operating personnel;

(k) transmitting the calling phone number, the speaker verification feature, the speaker-dependent voice recognition name feature, the name text and the called phone number, obtained in the above steps, to the voice recognition server through a packet network or Internet;

(l) transmitting the name text and the called phone number from the voice recognition server to the voice guidance and voice feature extracting device so that the voice guidance and voice feature extracting device sends the name to the user for confirmation; and

(m) storing the calling phone number, the name text, the speaker verification feature, the speaker-dependent voice recognition name feature and the called phone number in the personal storage area of the personal phone book DB by using the calling phone number as a key.

3. The automatic voice call connection service method according to claim 1, wherein, to construct the personal phone book DB, the step (b) includes the steps of:

(h) the voice guidance and voice feature extracting device requesting and obtaining the calling phone number from the calling local exchange;

(i) the voice guidance and voice feature extracting device extracting the speaker verification feature and the speaker-dependent voice recognition name feature from the name spoken by the user;

(j2) the user accessing a server provided with a voice recognition feature extracting software and then constructing the personal phone number DB in a bundle;

(k) transmitting the calling phone number, the speaker verification feature, the speaker-dependent voice recognition name feature, the name text and the called phone number, obtained in the above steps, to the voice recognition server through a packet network or Internet;

(l) transmitting the name text and the called phone number from the voice recognition server to the voice guidance and voice feature extracting device so that the voice guidance and voice feature extracting device sends the name to the user for confirmation; and

(m) storing the calling phone number, the name text, the speaker verification feature, the speaker-dependent voice recognition name feature and the called phone number in the personal storage area of the personal phone book DB by using the calling phone number as a key.

4. The automatic voice call connection service method according to claim 1, wherein, in the step (c), the service identification number is input by using any of the following types:

a warm line type in which the local exchange directly connects a calling phone to the voice guidance and voice feature extracting device when a user picks up a receiver of the calling phone and waits for about 5 seconds;

an abbreviated dialing type in which, when a user pushes an abbreviated dialing number, the local exchange interprets the abbreviated dialing number to connect the calling phone to the voice guidance and voice feature extracting device; and

a service identification number pushing type in which a user directly pushes the service identification number with a calling phone.

5. The automatic voice call connection service method according to any of claims 1 to 4, wherein, to make a call connection with a voice, the step (c) includes the steps of:

(n) the voice guidance and voice feature extracting device requesting and obtaining the calling phone number from the calling local exchange;

(o) the voice guidance and voice feature extracting device extracting the speaker verification feature and the speaker-dependent voice recognition name feature from the name spoken by the user; and

(p) transmitting the calling phone number, the speaker verification feature and the speaker-dependent voice recognition name feature, obtained in the above steps, to the voice recognition server through the packet network or Internet.

6. The automatic voice call connection service method according to any of claims 1 to 5, wherein, to treat the searched information by using the received calling phone number as a key in the steps (d) and (e), the steps (d) and (e) includes the steps of:

(q) the voice recognition server verifying the user by comparing the speaker verification feature extracted in the step (c) with the speaker verification feature stored in the personal phone book DB;

(r) the voice recognition server transmitting the name text searched in the step (d) to the voice guidance and voice feature extracting device so as to determine whether the name is correct; and

(s) the voice recognition server searching the called phone number by comparing the speaker-dependent voice recognition name feature extracted in the step (c) with the speaker-dependent voice recognition name feature stored in the personal phone book DB.

7. The automatic voice call connection service method according to any of claims 1 to 5, wherein the step (f) includes the step of:

(t) the voice recognition server converting the calling phone number and the called phone number, obtained in the steps (c) and (d), into an intelligent network service requesting message and sending the message to the intelligent network service control point through the packet network.

8. The automatic voice call connection service method according to claim 1, wherein the step (g) includes the step of:

(u) the intelligent network service control point controlling the calling local exchange by using the calling phone number received in a converted form of a service request message and controlling the called local exchange by using the called phone number.