KR20040073097A - Apparatus for talking over the Voice over Internet Protocol telephone using digital television receiver - Google Patents

Abstract

The VoIP telephone call function is integrated into the digital television receiver so that video and voice telephone calls can be made using the VoIP telephone call function while using the digital television receiver.

The television function execution unit performs an operation function of the television receiver, the Internet interface unit is connected to the Internet network to interface predetermined data, and the VoIP function execution unit receives a voice signal through a microphone, performs voice encoding according to the VoIP function, and receives an input. The audio signal is decoded and output to a speaker, and the control unit controls the television function performing unit according to an operation command, and when making a VoIP telephone call, obtains an IP address according to a dialing signal input from the VoIP function performing unit. The packet is transmitted to the internet network through an internet interface unit, and a voice signal encoded by the VoIP function performing unit is formed into a packet to be transmitted to the internet network through the internet interface unit and received through the internet interface unit. Voice call The call is extracted and provided to the VoIP function performing unit.

Description

Apparatus for talking over the Voice over Internet Protocol telephone using digital television receiver

The present invention incorporates a Voice over Internet Protocol (VoIP) function using the H.323 protocol into a digital television receiver so that a user can make a video and voice telephone call while watching a predetermined broadcast signal. It relates to a telephone call device.

With the development of electronic technology and communication technology, various home appliances including digital television receivers, digital audio systems, refrigerators, washing machines and boilers have been developed in each home, including HAVi (Home Audio / Video interoperability), UPnP (Universal Plug and Play), Connected to a home network using a predetermined protocol, such as LnCP (Living Network Control Protocol), and the user is connected to a home network having a predetermined screen, for example, a current state of a plurality of other home appliances through a digital television receiver. The digital television receiver is playing a role as a central device in the home network.

Recently, the digital television receiver has an integrated internet access function so that users can connect to the digital television receiver from the outside through the Internet, determine the current state of a plurality of home appliances through a home network, and control operations. Make sure

Public Switched Telephone Network (PSTN), which is separate from the digital television receiver when a telephone call is made while watching a predetermined broadcast signal or controlling operation of other home appliances connected to a home network using the digital television receiver. Calls and phone calls were made by using a phone, or by using a VoIP service such as Microsoft's Net Meeting on a separate computer, or using a terminal dedicated to VoIP.

The VoIP uses the H.323 protocol, which is a standard of the International Telecommunications Union-Telecommunication Standardization Sector (ITU-T), for transmitting multimedia video conferencing data through a packet switched network such as TCP / IP. It encodes audio, converts the encoded image and audio into packets, and transmits them to each other for video and audio telephone calls.

However, as mentioned above, when making a telephone call while a user watches a digital television receiver, the user must move to a place where a PSTN telephone, a computer, or a VoIP terminal is installed. There was a problem that gives the user a lot of inconvenience and hassle.

It is therefore an object of the present invention to provide a VoIP telephony call apparatus using a digital television receiver which allows a video and voice telephony call by integrally embedding a VoIP function using the H.323 protocol in a digital television receiver.

It is another object of the present invention to provide a VoIP telephone call apparatus using a digital television receiver which enables a video and voice telephone call using a digital television receiver without using a separate telephone while watching a digital television receiver. .

In the VoIP telephone call apparatus using the digital television receiver of the present invention having the above object, a television function performing unit performs an operation function of a television receiver, an Internet interface unit is connected to an Internet network to interface predetermined data, and through a microphone. When the VoIP function execution unit receives a voice signal, performs voice encoding according to the VoIP function, decodes the received input audio signal and outputs it to the speaker, and the control unit controls the television function execution unit and makes a VoIP phone call according to a user's operation command. Obtains an IP address according to a dialing signal input from the VoIP function performing unit, transmits the IP address to the Internet network through the Internet interface unit, and encodes the VoIP function performing unit when an incoming call is received or a call signal is received. Voice signal packet Formed by transmitted to the internet network through the interface for the Internet and in characterized in that to extract the audio signals from the packets received through the interface for the Internet to provide the VoIP function performing unit.

And a video processing unit for encoding a video signal of an image photographed by the camera and a camera photographing a predetermined image, and inputting the video signal encoded by the video processing unit to the packet. And extracts a video signal from a packet received through the Internet interface unit and outputs the image signal to the television function performing unit so as to be displayed on a screen.

The apparatus may further include an interface unit for a home network for interfacing predetermined data transmitted between the control unit and the plurality of home appliances through a home network bus, wherein the control unit may include a plurality of home appliances through the home network interface unit. The current state is monitored and displayed through the user interface unit, and a user's operation command is transmitted to the home appliance through the home network interface unit.

1 is a block diagram showing a state where a digital television receiver according to a VoIP telephony device of the present invention is connected to a home network bus;

Figure 2 is a signal flow diagram showing the operation of the control unit of the digital television receiver according to the VoIP telephone call apparatus of the present invention.

Explanation of symbols on the main parts of the drawings

100: digital television receiver 110: control unit

120: home network interface unit 130: television function performing unit

140: interface unit for the Internet 150: camera

160: image processing unit 170: microphone

180: VoIP function performing unit 190: speaker

200: a plurality of home appliances 300: home network bus

Hereinafter, a VoIP telephone call apparatus using a digital television receiver of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing the configuration of a VoIP telephone call apparatus using the digital television receiver of the present invention. Here, reference numeral 100 denotes a home appliance having a predetermined screen, for example, a digital television receiver, and reference numeral 200 denotes a plurality of household appliances except for the digital television receiver 100, for example, a digital audio system, a refrigerator, and a washing machine. And various home appliances including boilers.

The digital television receiver 100 and the plurality of home appliances 200 are connected to the home network bus 300 to monitor the current state while transmitting predetermined data to each other via the home network bus 300, and to perform operations. To control. For example, the user may be connected to monitor the current state of the plurality of home appliances 200 and control the operation through the digital television receiver 100.

The digital television receiver 100 controls the performance of the television receiver and the performance of the VoIP function while transmitting data to and from the plurality of other home appliances 200 through the home network bus 300. And a home network interface unit 120 for interfacing data between the home network bus 300 and the control unit 110, and a television function for performing an operation function of a television receiver under the control of the control unit 110. The execution unit 130, the Internet interface unit 140 provided between the control unit 110 and the Internet network to interface predetermined data, a camera 150 for capturing a predetermined image, and the camera 150. Image processing unit 160 for processing the input image signal and input to the control unit 110, the microphone 170 for receiving the user's voice signal, and the voice signal of the microphone 170 VoIP Neunge to provide processed according to the control unit 110 as well as to the control unit 110 is provided with a VoIP function performing unit 180 for output to the speakers 190 processes the audio signal to output.

The operation of the VoIP telephone call apparatus using the digital television receiver of the present invention having such a configuration will be described in detail with reference to the signal flow diagram of FIG.

When the user selects the control of the digital television receiver 100 in step 400 and inputs a predetermined operation command through a key input unit or a remote control transmitter (not shown) in step 401. The controller 110 controls the television function performing unit 130 according to the operation command input in step 404. The television function performing unit 130 outputs a predetermined video and audio signal according to a user's selection. Make it available for viewing.

When the user requests the control of the home network in step 406, the control unit 110 controls the plurality of other home appliances 200 through the home network interface 120 and the home network bus 300 in step 408. ) To perform a predetermined data communication with each other to monitor the current state of the plurality of home appliances 200, and to display the monitored current state through a user interface (not shown) It is possible to check the current state of the home appliances (200). When the user inputs a predetermined operation command in the next step 410, the control unit 110 transmits the corresponding operation command to the home appliance through the home network interface unit 120 and the home network bus 300 in step 412. It transmits to the device 200 to perform the operation according to the user's command.

Meanwhile, when a predetermined call signal is input through the internet network, the call signal is received by the internet interface unit 140 and transmitted to the control unit 110.

Then, the control unit 110 determines the reception of the call signal in step 414, and generates a ring signal by controlling the VoIP function performing unit 180 in step 416, the user step according to the generated ring signal When the incoming call is commanded at 418, the controller 110 forms a call path of VoIP at step 420.

When the call path is formed as described above, in step 422, a predetermined packet is exchanged with the other party to be called through the internet network, and the received packet is processed to allow a telephone call. That is, the voice signal of the user input through the microphone 170 is converted into a digital signal by the VoIP function performing unit 180, and employs G.729 (8kbps) or G.723.1 (5.3kbps / 6.4kbps) or the like. After encoding according to the H.323 protocol is input to the control unit 110, the image signal of the user photographed by the camera 150 is processed and encoded by the image processing unit 160 is input to the control unit 110, the control unit 110 ) Forms the input voice signal and image signal into a predetermined packet and transmits the received audio signal and image signal to the Internet network through the Internet interface unit 140. In addition, the controller 110 separates the voice signal and the image signal from a predetermined packet received through the Internet network and the interface unit 140 for the Internet, and inputs the separated voice signal to the VoIP function performing unit 180 to decode the voice signal. And converts the original audio signal to the speaker 190 and outputs the separated image signal to the screen through the television function performing unit 130 so that the user can make a telephone call with video and audio. .

When the user makes a phone call with the VoIP function, if the user inputs the phone number of the other party to be called through the VoIP function performing unit 180 in step 424, the controller 110 inputs the inputted phone number in step 426. Obtaining an IP address according to the telephone number, and transmitting the obtained IP address through the interface unit 140 for the Internet to call the other party to make a telephone call.

In this state, when the other party to make a phone call arrives at step 428, the controller 110 forms a call path of VoIP at step 430, and exchanges and processes packets at step 432, as described above. Make a phone call.

On the other hand, while the present invention has been shown and described with respect to specific preferred embodiments, various modifications and changes of the present invention without departing from the spirit or field of the invention provided by the claims below It can be easily understood by those skilled in the art.

As described above, the present invention provides a plurality of home appliances connected to each other through a home network bus or a user watching a digital television receiver by providing a digital television receiver with a VoIP function so that video and voice telephone calls can be made. It is possible to make video and voice phone calls at low cost while controlling the operation of.

Claims (3)

A television function performing unit that performs an operation function of the television receiver; An internet interface unit connected to an internet network to interface predetermined data; A VoIP function performing unit for voice encoding the voice signal input through the microphone according to the VoIP function and decoding and outputting the voice signal received through the Internet network; And Control the television function execution unit according to an operation command, obtain a IP address according to the dialing information input from the VoIP function execution unit in case of a VoIP telephone call, and receive a packet including a voice signal encoded by the VoIP function execution unit. The packet is transmitted to the Internet network through the Internet interface unit, and the voice signal encoded by the VoIP function performing unit is formed into a packet and transmitted to the Internet network through the Internet interface unit, and the packet is received through the Internet interface unit. VoIP telephone call apparatus using a digital television receiver comprising a control unit for extracting a voice signal from the control unit provided to the VoIP function performing unit. The method of claim 1, A camera for taking a predetermined image; And And an image processor which encodes an image signal of an image captured by the camera and inputs the image signal to the controller. The control unit; And inserting an image signal encoded by the image processing unit into the packet, transmitting the image signal, extracting the image signal from the packet received through the Internet interface unit, and outputting the image signal to the television function performing unit to control the display on the screen. VoIP telephony device using receiver. The method of claim 1, wherein the control unit; And a ring signal by controlling the VoIP function execution unit when a call signal is input, and forming a call path of VoIP when a user commands an incoming call.