KR100939914B1 - A multimedia system using an IP set-top box and a voice enable RF remote controller - Google Patents

Abstract

The present invention relates to a multimedia system and a method for providing the same. In particular, a telephone call can be made through a TV screen as well as a TV control by an RF remote control, and a smooth voice transmission is possible by preventing the occurrence of noise caused by interference with sound from the TV. And it relates to a multimedia system and a method for providing a multimedia using an IP set-top box and a voice transmission and reception remote control that can watch TV quietly.

To this end, the present invention is an IP TV for watching broadcasts using the Internet network; An IP set-top box connected to the IP TV and capable of receiving and converting video signals through the Internet and transmitting voice data using VoIP; A web camera connected to the IP set-top box for monitoring and transmitting a compressed image through the Internet; And an IP set-top box for controlling the IP set-top box and including an RF remote controller capable of transmitting and receiving voice with the IP set-top box using any one wireless network selected from ZigBee, Bluetooth, and IEEE 802.15.4. Provides a multimedia system using a transmission and reception remote control.

Video Call, ZigBee, Bluetooth, IEEE 802.15.4, Remote Control, Voice Transmission

Description

A multimedia system using an IP set-top box and a voice enable RF remote controller}

The present invention relates to a multimedia system and a method for providing the same. More specifically, an IP set-top box and a voice transmission / reception remote control capable of making a video call at a low cost through the Internet network and having low noise have excellent call satisfaction and quiet TV viewing. The present invention relates to a multimedia system and a multimedia providing method.

In general, a display phone refers to an advanced type of telephone in which a face-to-face call is made through a monitor. A combination of a television camera, a television receiver, and a telephone is used to dial out a partner, such as a telephone. It is a device to talk while looking at the opponent.

In television broadcasting, the radio wave from the broadcasting station may be directly received in each home, but the video call is via a telephone line, an exchange, a repeater, a long distance telephone line, etc. from the subscriber to the station.

The internet call provided through the conventional Internet provides a telephone call service by inputting a phone number of a person who wants to make a call using a downloaded program after an individual has downloaded an Internet phone or a Voice Over Internet Protocol (VoIP) phone program to a computer. To receive.

This is to talk with the other party through the Internet phone on the computer, not your own phone. The service user must sign up with the service provider and then download the Internet phone program provided by the service provider. The service procedure is very cumbersome because the service can be provided.

In addition to providing a telephone call service through the Internet phone, when a user clicks on a web page, the user can make a call using a registered wired or wireless phone or a person or a company displayed on a search result page. There was also a service.

However, even in such a service, there is a problem that a user who frequently contacts a computer can call the other party only after registering a predetermined service through a service registration procedure using the computer.

On the other hand, the wireless personal area network (Wireless Personal Area Network) is a concept that implements the existing PAN (Presonal Area Network) by wireless, PAN, called the personal area network is a well-known local area network (LAN) or long-distance network (WAN) and In contrast, it means a unique network for each individual.

In an effort to implement such a PAN wirelessly, the IEEE 802.15 Working Group has set WAPN as a standard for short-range wireless networks and has four task groups (TGs) under it.

Here, IEEE 802.15.1 is recently known Bluetooth, IEEE 802.15.3 and IEEE 802.15.3a mean high speed WPAN, and IEEE 802.15.4 (2.4GHz frequency band) called ZigBee is 250kbps It is known to perform standard work on the following low speed WPAN.

On the other hand, Internet TV is a method of connecting a TV to a modem and a low-cost Internet-only terminal, a method of connecting a TV to a modem and a game dedicated device that can be connected to the Internet, and a TV set with a modem and Internet access. It can be implemented by connecting to a box (Set-top Box).

In addition, the set-top box can be configured to serve as a function of Internet telephony in the Internet TV connecting to the TV, and when the telephone terminal with the Internet telephony function is used separately from the set-top box, the installation cost is additionally increased, When the microphone is provided in a set-top box or a web camera, voice transmission is not easy and there is a problem that call satisfaction is reduced due to noise generated by interference with sound coming from a TV.

Meanwhile, in the case of conventional IP TVs, it is difficult not only to quietly watch adult broadcasts late at night from a certain distance, but also to watch without being disturbed by people around them, as well as to secretly view them on a small screen. Type remote control has a problem that the operating range angle is very narrow because the operation is almost in line with the TV.

The present invention has been made to solve the problems of the prior art as described above, it is possible to make a video call through the TV screen at a low cost through the Internet network and to prevent noise caused by interference with the sound from the TV smooth voice It is an object of the present invention to provide a multimedia system and a method for providing a multimedia using an IP set-top box and a voice transmission and reception remote control capable of transmission.

In addition, another object of the present invention is to selectively use ZigBee, Bluetooth, IEEE 802.15.4, the user can transmit and receive voice data to and from the set-top box with a simple remote control operation from a variety of angles, when the headset is connected to the remote control The present invention provides a multimedia system and a multimedia providing method using an IP set-top box and a voice transmitting / receiving remote control that can quietly and secretly make a call and can also watch IP TV quietly.

The multimedia system using the IP set-top box and the voice transmission and reception remote control of the present invention for achieving the above object is an IP TV for watching broadcasts using the Internet network; An IP set-top box connected to the IP TV and capable of receiving and converting video signals through the Internet and transmitting voice data using VoIP; A web camera connected to the IP set-top box for monitoring and transmitting a compressed image through the Internet; And an RF remote controller capable of controlling the IP set-top box and transmitting / receiving voice with the IP set-top box using any one of wireless communication technologies selected from ZigBee, Bluetooth, and IEEE 802.15.4.

Preferably, the RF remote control outputs a voice through a speaker equipped with itself to implement a video call through the IP TV screen.

Here, the IP set-top box, TV operating unit for processing audio and video signals; An internet connection unit for transmitting and receiving internet data; A telephone operator for controlling input and output of voice signals and outputting the input telephone number to the Internet; A remote control signal receiving unit for receiving a signal transmitted from the remote control; Any one module selected from Zigbee, Bluetooth, and IEEE 802.15.4 for wirelessly transmitting a voice and call control signal of a user; And a memory for storing data.

In addition, the RF remote control, a key input unit for receiving a key through a function button; A remote control operation unit for transmitting a remote control signal to the set top box according to the input key value of the key input unit; An internet telephone unit for inputting / outputting a radio telephone signal for controlling the IP set-top box and serving as a handset; Any one module selected from Zigbee, Bluetooth, and IEEE 802.15.4 for wirelessly transmitting voice and call control signals by a user; And a controller for controlling various functions.

In addition, any one of the module selected from Zigbee, Bluetooth, IEEE 802.15.4, the analog circuit unit for processing an analog signal; A codec for converting voice data, which is an analog signal, into a digital signal; A serial-to-parallel converter for converting digitally converted voice data into parallel data; Any one CPU selected from ZigBee, Bluetooth, and IEEE 802.15.4 to receive voice data and packetize the packet based on one of ZigBee, Bluetooth, and IEEE 802.15.4; And an RF chip selected from ZigBee, Bluetooth, and IEEE 802.15.4 for performing modulation and amplification to transmit the packetized voice data in a wireless section.

Preferably, the RF remote control may be selectively implemented to watch TV and video calls by controlling the IP set-top box.

On the other hand, the multimedia providing method using the IP set-top box and the voice transmission and reception remote control of the present invention is connected to an IP set-top box with a VoIP program and watching the Internet broadcast via an IP TV with a web camera; Receiving an internet phone call at the IP set-top box; Receiving a call using a wireless communication technology selected from an IP set-top box, ZigBee, Bluetooth, and IEEE 802.15.4, and notifying an RF remote controller or an IP TV having its own speaker; And outputting video and audio through the IP TV screen and its own speaker through a telephone call key input of the RF remote controller, and making a video call.

The multimedia system and the multimedia providing method using the IP set-top box and the voice transmission and reception remote control of the present invention configured as described above have the following useful effects.

First, the present invention is possible to make a video call through the TV screen at low cost by using the Internet TV, noise generated by interference with sound from the TV while using ZigBee, Bluetooth, IEEE 802.15.4 wireless communication It is possible to transmit the voice smoothly.

Secondly, the present invention enables the use of ZigBee, Bluetooth, and IEEE 802.15.4 selectively at home, which consumes low power and enables simple RF remote control operation with a wide operating range angle. Connect to keep your private calls quiet and private, and watch TV quietly.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the description of this embodiment, the same name and the same reference numerals are used for the same configuration and additional description thereof will be omitted.

1 is a block diagram showing a multimedia system using the IP set-top box and the voice transmission and reception remote control according to the present invention, Figure 2 is a block diagram showing an IP set-top box of a multimedia system using the IP set-top box and the voice transmission and reception remote control according to the present invention 3 is a block diagram showing a voice transmission and reception remote control of the multimedia system using the IP set-top box and the voice transmission and reception remote control according to the present invention.

Multimedia system using the IP set-top box and the voice transmission and reception remote control of the present invention, as shown in Figure 1, including an IP TV 10, IP set-top box 20, Web camera 30 and RF remote control 40 It is composed.

IP TV (Internet Protocol Television) 10 is a two-way TV service provided to watch broadcasts using a high-speed Internet network. It is a TV using a general television receiver instead of a computer monitor and a remote control instead of a mouse.

The IP TV 10 can watch a program that the viewer wants to watch at a convenient time, and outputs the voice and video data of the called party during a phone call.

The IP set-top box 20 is a box that is connected to the IP TV 10 through a wired cable and has a home communication terminal function required to use an interactive multimedia communication service (aka interactive TV) using an internet network. It receives and converts video signals and transmits voice data using Voice Over Internet Protocol (VoIP).

Specifically, as shown in FIG. 2, the IP set-top box 20 is connected to a central processing unit 21 and a TV for controlling TV channel switching and various functions of the IP set-top box 20, and the central processing unit 21. The TV operating unit 22 is configured to process and output audio and video signals transmitted to the TV under the control of.

In addition, the IP set-top box 20 is connected to the Internet to control the input and output of the Internet connection unit 23 and the voice signal and the Internet connection unit 23 for transmitting and receiving various Internet data including the IP TV 10 data through a LAN card, etc. The telephone operation unit 24 is configured to output the number to the Internet and process the signal transmitted to the LAN card or the like as a voice signal and transmit it to the RF remote controller 40 to be described later.

In addition, the IP set-top box 20 receives information received from the remote control signal receiver 25 and the telephone operator 24 that receives a remote controller signal transmitted from the RF remote controller 40, which will be described later, and the Internet. A memory 26 for storing TV data or the like is provided, and a VoIP program (not shown in the figure) for implementing a TV video telephone service is mounted.

In addition, the IP set-top box 20 is configured with a ZigBee module 27 for wirelessly transmitting the other party's voice, the user's voice and call control signals.

In the present invention, it is possible to use Bluetooth, IEEE 802.15.4, and the like instead of the Zigbee module 27 as a wireless network communication technology. In particular, when the Zigbee module 27 is adopted, it can be used for a long time with low power. The module 27 will be described as an embodiment of the present invention.

Web camera 30 is a camera that is connected to the IP set-top box 20, the web server software is built to monitor and transmit the compressed image in real time over the Internet, the camera is installed in a location to shoot the caller CCD or CMOS cameras can be used to capture the caller during a call.

The web camera 30 converts the sender's image data into a digital form and transmits it to the Internet network. The voice data and the image data transmitted through the Internet network are converted into a compressed format (AC3, MP3, etc.) and transmitted.

As shown in FIG. 3, the RF remote controller 40 wirelessly controls the IP set-top box 20 through RF (Radio Frequency) as a telephone and has a speaker to output voice. It is possible to transmit and receive voice with the IP set-top box 20 by using Bluetooth, IEEE 802.15.4, that is, when receiving a telephone number or receiving an incoming call from the outside.

Specifically, the RF remote control 40 transmits and receives an RF wireless signal, and the remote control signal through the control unit 42 is set by the user according to a key value input by the user using a function button which is a key input unit 41 provided on the remote control. The remote control operation part 43 which functions as a remote control which is sent to the box 20 or the IP TV 10 is comprised.

In addition, the remote controller 40 controls the telephone operation unit 24 of the IP set-top box 20, inputs and outputs a wireless telephone signal, processes a voice signal during a telephone call as a wireless signal, and inputs and outputs other voices. Internet module 44 which functions, and any one module 45 selected from ZigBee, Bluetooth, and IEEE 802.15.4 which wirelessly transmits the voice of the other party, voice and call control signals of the user are configured.

In addition to the voice transmission / reception function, the remote controller 40 may further configure a window made of an LCD or the like to display the IP TV 10 screen.

4 is a block diagram illustrating a ZigBee module of a multimedia system using an IP set-top box and a voice transceiving remote control according to the present invention.

As shown in FIG. 4, the ZigBee, Bluetooth, and IEEE 802.15.4 module 43 includes a headset 431 for receiving a voice and converting the signal into an electrical analog signal, and an analog circuit unit 432 for processing an analog signal. And a codec 433 for converting voice data consisting of analog signals into a digital signal, and a serial-to-parallel converter 434 that sequentially receives digitally converted voice data and converts the same into parallel data.

In addition, the ZigBee, Bluetooth, IEEE 802.15.4 module 43 receives the audio data and packetizes based on the ZigBee protocol, ZigBee, Bluetooth, IEEE 802.15.4 CPU 435, the ZigBee, It includes a Zigbee, Bluetooth, and IEEE 802.15.4 RF chip 436 for performing modulation and amplification so that the voice data packetized by the Bluetooth and IEEE 802.15.4 CPU 435 can be transmitted to the wireless section.

Here, the codec 433 compresses voice using various compression methods (MP3, OGG, AAC, etc.) at the time of transmission, and performs voice decoding based on the compression method at the time of reception, and the serial-to-parallel converter 434 ) Stores the compressed voice data sequentially input at the time of transmission in the memory (RAM) in units of bits, and then transmits predetermined bits in parallel to the Zigbee, Bluetooth, and IEEE 802.15.4 CPU 435 according to a control signal. On reception, the reverse operation is performed.

The Zigbee, Bluetooth, and IEEE 802.15.4 CPU 435 packetizes the voice data transferred from the serial-to-parallel converter 434 at the time of transmission based on the Zigbee protocol and stores the data in a memory (RAM). Restores the packet to voice data based on Zigbee, Bluetooth, IEEE 802.15.4 protocol.

In this way, the voice transmission and reception remote control 40 is preferably provided with any one of the modules 43 selected from Zigbee, Bluetooth, IEEE 802.15.4 including a headset (microphone) so that you can talk quietly.

5 is a flowchart illustrating a call process during transmission of a multimedia providing method using an IP set top box and a voice transmitting and receiving remote control according to the present invention, and FIG. 6 is a multimedia providing method using an IP set top box and a voice transmitting and receiving remote control according to the present invention. It is a flowchart showing the call process at the time of reception.

Referring to the telephone service process of the multimedia system using the IP set-top box and the voice transmission and reception remote control of the present invention, as shown in FIG. 5, the VoIP program is first executed by using the RF remote control 40. That is, when the operation button of the key input unit 41 provided in the RF remote control 40 is pressed, the power supply device in the modem is connected to the RF remote control 40 and the Zigbee modules 43 and 27 of the set-top box 20 connected to the Internet. VoIP program is executed while operating (S100).

When the user interface of the VoIP program is output on the screen of the IP TV 10, the user may input an identification number such as the other party's telephone number or the other party's name using an operation button provided on the RF remote controller 40. There is (S200).

Next, when a telephone number is input and the call button provided in the RF remote controller 40 is pressed, the VoIP program is connected to the IP set-top box 20 of the counterpart (S300), and the voice signal of the counterpart is the RF remote controller 40. ZigBee, Bluetooth, and IEEE 802.15.4 modules of the IP set-top box 20 through the ZigBee, Bluetooth, and IEEE 802.15.4 module 43 of the remote controller 40 are converted into electrical signals and transmitted through the Internet. 27, the video call is made through the speaker of the RF remote controller 40 and the screen of the IP TV 10 (S400).

Here, since a general ZigBee voice transmission / reception apparatus continuously transmits voice data without preparation for interference, the reception voice quality is good where no interference occurs, but the voice recognition rate is low under an interference environment, In the video telephone method, an excellent call satisfaction can be achieved by embedding its own speaker (not shown in the figure) in the RF remote controller 40 to prevent interference with voice from the IP TV 10.

In particular, when the headset is connected to the RF remote controller 40, regardless of the surrounding environment, while watching the IP TV 10 screen, private conversations can be quietly and secretly shared or quietly watching TV. In the case of configuring a display screen including an LCD on the remote controller 40, it may be more effective in the case of watching an adult broadcast at night.

On the other hand, when receiving a call in the multimedia providing method of the present invention as shown in Figure 6 proceeds in the reverse order with the transmission, while watching the IP TV 10 (S100 '), the Internet phone is an IP set-top box When received through 20 (S200 '), the call reception status is notified on the screen of the RF remote control 40 or IP TV 10 by using a ringtone or the like (S300'), the call button of the RF remote control 40 The video call is made by using the speaker and the IP TV 10 screen by pressing (S400 ').

As described above, a preferred embodiment according to the present invention has been described, and the fact that the present invention can be embodied in other specific forms in addition to the above-described embodiments without departing from the spirit or scope thereof is known to those skilled in the art. It is obvious to those who have it.

Therefore, the above-described embodiments should be regarded as illustrative rather than restrictive, and thus, the present invention is not limited to the above description but may be modified within the scope of the appended claims and their equivalents.

The video telephone system using the IP set-top box and the voice transmission / reception remote control of the present invention configured as described above is capable of making a video call through a TV screen at low cost through the Internet network at home and generating noise due to interference with sound from the TV. There is an industrial advantage to prevent the transmission of a smooth voice.

In addition, ZigBee, Bluetooth, and IEEE 802.15.4 wireless communication can be selectively used to transmit and receive voice data to and from the set-top box with simple RF remote control that consumes low power and has a wide operating range. This has the industrial advantage of making private calls quiet and covert and watching TV quietly.

1 is a block diagram showing a multimedia system using an IP set-top box and a voice transmission and reception remote control according to the present invention;

2 is a block diagram showing an IP set-top box of the multimedia system using the IP set-top box and the voice transmission and reception remote control according to the present invention;

3 is a block diagram showing a voice transmission and reception remote control of the multimedia system using the IP set-top box and the voice transmission and reception remote control according to the present invention;

4 is a block diagram illustrating a ZigBee module of a multimedia system using an IP set-top box and a voice transceiving remote control according to the present invention;

5 is a flowchart illustrating a call process during transmission of a multimedia method using an IPSTOP box and a voice transceiving remote control according to the present invention;

6 is a flowchart illustrating a call process at the time of reception of a multimedia method using an IPP top box and a voice transceiving remote control according to the present invention.

<Explanation of symbols for the main parts of the drawings>

10: IP TV 20: IP Set Top Box

21: central processing unit 22: TV operating unit

23: Internet connection 24: Telephone operation part

25: remote control signal receiver 26: memory

27: Zigbee Module 30: Web Camera

40: RF remote control 41: key input unit

42: control unit 43: remote control operation unit

44: Internet phone book 45: Zigbee module

431: headset 432: analog circuitry

433 codec 434 serial-to-parallel converter

435: Zigbee CPU 436: Zigbee RF chip

Claims (8)

IP TV for watching broadcasts using the Internet network; An IP set-top box connected to the IP TV and capable of receiving and converting video signals through the Internet and transmitting voice data using VoIP; A web camera connected to the IP set-top box for monitoring and transmitting a compressed image through the Internet; An RF remote controller for controlling the IP set-top box and transmitting / receiving voice with the IP set-top box using any one of wireless communication technologies selected from ZigBee, Bluetooth, and IEEE 802.15.4; And It is configured to include one of the modules selected from Zigbee, Bluetooth, IEEE 802.15.4 to wirelessly transmit the user's voice and call control signal, The module selected from the Zigbee, Bluetooth, IEEE 802.15.4, An analog circuit unit for processing an analog signal; A codec for converting voice data, which is an analog signal, into a digital signal; A serial-to-parallel converter for converting digitally converted voice data into parallel data; Any one CPU selected from ZigBee, Bluetooth, and IEEE 802.15.4 to receive voice data and packetize the packet based on one of ZigBee, Bluetooth, and IEEE 802.15.4; And an RF chip selected from Zigbee, Bluetooth, and IEEE 802.15.4 to perform modulation and amplification to transmit packetized voice data to a wireless section. Multimedia system used. The method of claim 1, The RF remote control is a multimedia system using an IP set-top box and a voice transmission and reception remote control, characterized in that for outputting the voice through the speaker provided in the self-implemented video call through the IP TV screen. The method of claim 1, The IP set top box, A TV operating unit for processing audio and video signals; An internet connection unit for transmitting and receiving internet data; A telephone operator for controlling input and output of voice signals and outputting the input telephone number to the Internet; A remote control signal receiving unit for receiving a signal transmitted from the remote control; Any one module selected from Zigbee, Bluetooth, and IEEE 802.15.4 for wirelessly transmitting a voice and call control signal of a user; And a memory for storing data, the multimedia system using an IP set-top box and a voice transmission / reception remote control. The method of claim 1, The RF remote control, A key input unit which receives a key through a function button; A remote control operation unit for transmitting a remote control signal to the set top box according to the input key value of the key input unit; An internet telephone unit for inputting / outputting a radio telephone signal for controlling the IP set-top box and serving as a handset; Any one module selected from Zigbee, Bluetooth, and IEEE 802.15.4 for wirelessly transmitting voice and call control signals by a user; And a controller for controlling various functions, and the multimedia system using an IP set-top box and a voice transmission / reception remote control. delete The method of claim 1, Any one module selected from ZigBee, Bluetooth, and IEEE 802.15.4 configured in the RF remote control further includes a headset for receiving a voice and converting the signal into an electrical analog signal. Multimedia system. The method of claim 1, The RF remote control is a multimedia system using the IP set-top box and the voice transmission and reception remote control, characterized in that the control of the IP set-top box to selectively implement TV viewing and video calls. delete

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