KR20100007309A - Power control method of the broadcasting reception apparatus - Google Patents

Power control method of the broadcasting reception apparatus Download PDF

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Publication number
KR20100007309A
KR20100007309A KR1020080067892A KR20080067892A KR20100007309A KR 20100007309 A KR20100007309 A KR 20100007309A KR 1020080067892 A KR1020080067892 A KR 1020080067892A KR 20080067892 A KR20080067892 A KR 20080067892A KR 20100007309 A KR20100007309 A KR 20100007309A
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KR
South Korea
Prior art keywords
voip
signal
power
broadcast
power supply
Prior art date
Application number
KR1020080067892A
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Korean (ko)
Inventor
이주연
Original Assignee
주식회사 대우일렉트로닉스
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Priority to KR1020080067892A priority Critical patent/KR20100007309A/en
Publication of KR20100007309A publication Critical patent/KR20100007309A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4436—Power management, e.g. shutting down unused components of the receiver
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0016—Inter-integrated circuit (I2C)

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The present invention is to control the power supply of the broadcast receiving device, for this purpose, unlike the conventional method in which the VoIP power is continuously supplied regardless of the reception of the VoIP signal in the broadcast playback or standby mode, If the VoIP signal is received during broadcast playback or standby mode with the VoIP power supply cut off according to the reception of the VoIP signal, the VoIP power is controlled to be supplied through serial communication. Accordingly, when the voice call using the VoIP is terminated while performing the voice call using the VoIP, the VoIP power supply is controlled to prevent unnecessary power waste.

Description

Power control method of broadcast receiving device {POWER CONTROL METHOD OF THE BROADCASTING RECEPTION APPARATUS}

The present invention relates to a power control method of a broadcast receiving device, and more particularly, volume control of a broadcast receiving device suitable for supplying VoIP power only when a Voice over Internet Protocol (VoIP) signal is received during broadcast reproduction of the broadcast receiving device. It is about a method.

As is well known, digital broadcasting includes digital terrestrial broadcasting, digital satellite broadcasting, and digital cable broadcasting, which requires a digital broadcasting receiver such as a set-top box (STB).

When a cable input is received through a cable modem, the digital broadcast receiver selects and transmits only a radio wave by tuning to a frequency of a certain radio wave (or electric signal), and the radio wave is modulated, demultiplexed, and demultiplexed. The signal is reproduced through the monitor and the speaker through decoding and signal processing.

Here, the digital broadcast receiver stores cable TV subscriber information, and includes a reception restriction card that can receive and play pay TV broadcasts when the subscriber information is confirmed, which is a smart card storing subscriber information. In addition, it may be configured in the form of a Personal Computer Memory Card International Association (PCMCIA) card, and is issued to a subscriber by a cable TV provider to be installed in a set-top box.

Recently, a digital broadcasting receiver having a cable modem provides simultaneous functions such as broadcasting, internet, VoIP, etc. through a cable modem, and is connected to a broadcasting server to receive VOD (Video On Demand) service or to access the web through an internet communication network. Various services are provided, such as receiving services or receiving voice signals through VoIP phones. Here, the voice call service using the VoIP phone has the advantage that a large number of users can make a call, the scalability is excellent, and the fee is low.

However, there is a problem in that unnecessary power is required because the VoIP power is always supplied even when a voice call using the VoIP function of the digital broadcasting receiver is not performed in the related art.

Accordingly, when the VoIP signal is received, the present invention performs a voice call by supplying VoIP power according to a preset power supply condition, and cuts off the VoIP power at the end of the voice call, thereby preventing unnecessary waste of power. It is intended to provide a power control method of a device.

The present invention provides a method for controlling power supply in a broadcast receiving device having a cable modem, the method comprising: setting a power supply condition of the broadcast receiving device, processing a VoIP voice signal and a VoIP for a VoIP phone according to the power supply condition; Disconnecting power, checking whether a VoIP signal is received through the cable modem, supplying the VoIP power when the VoIP signal is received, and performing a voice call when the voice call ends. It provides a power control method of a broadcast receiving device comprising the step of blocking the supply of VoIP power.

According to the present invention, unlike the conventional method in which VoIP power is continuously supplied regardless of reception of a VoIP signal in a broadcast reproduction or standby mode, the power supply condition according to the reception of the VoIP signal is set in the broadcast reception device and accordingly, the VoIP power supply is set accordingly. If VoIP signal is received during broadcast playback or standby mode while the supply is cut off, VoIP power is controlled through serial communication to supply VoIP voice signal processing and VoIP phone power. If the voice call using VoIP is terminated while using voice call, the VoIP power is cut off to cut off the power to VoIP voice processing and VoIP phone. This can prevent unnecessary waste of power supplied to VoIP phones.

SUMMARY OF THE INVENTION In accordance with an aspect of the present invention, after a power supply condition is set in a broadcast system including a broadcast receiving device, and thus VoIP power is cut off, when VoIP signals are received during broadcast playback or in standby mode, Controlling to supply power, thereby performing a voice call using VoIP, and if it is determined that the voice call is terminated while performing the voice call, control to cut off the VoIP power. Can be solved.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a broadcast system for receiving and reproducing a broadcast signal through a cable modem according to an exemplary embodiment of the present invention. The broadcast receiving device 100, the Internet communication network and the broadcast network 102, and the broadcast service server 104 are shown in FIG. ), A web service server 106, a wired / wireless telephone network 108, and a communication terminal 110.

Referring to FIG. 1, the broadcast reception device 100 is a device for performing broadcast reproduction, website access, VoIP voice call, etc., including a set-top box having a cable modem or the like. When a specific VOD is selected and requested by accessing the broadcast service server 104, the VOD broadcast signal transmitted therefrom is received and reproduced through the cable modem, and the web service server 104 is transmitted through the Internet communication network and the broadcast network 102. When a connection request is made, the website data transmitted therefrom is received through a cable modem to perform web surfing through the website, and a voice call with the communication terminal 110 through the wired / wireless telephone network 108 using a VoIP telephone. Perform Here, the broadcast receiving device 100 may tune and play a broadcast signal from a public broadcasting network through a tuner provided in itself, and may tune and play a cable broadcast received through a cable modem.

In addition, the broadcast reception device 100 may supply power only when the VoIP signal is received while setting and registering a power supply condition (for example, whether to supply or cut power according to the reception of the VoIP signal) according to the VoIP signal reception. In the case of receiving a specific VOD through the Internet communication network and the broadcasting network 102 to play the broadcast signal or to check whether the VoIP signal is received through the wired / wireless telephone network 108 in the standby mode or while receiving and playing the broadcast signal.

When the VoIP signal is received, the broadcast reception device 100 controls to supply VoIP power through serial communication (eg, I2C communication, etc.). Accordingly, when VoIP power is supplied, the broadcast receiving device 100 performs a voice call using VoIP. When the voice call is terminated, control to cut off the VoIP power through serial communication.

Meanwhile, the broadcast service server 104 is a server for providing cable broadcasting, public broadcasting, and the like, and provides cable broadcasting and public broadcasting to the broadcast receiving apparatus 100 through the Internet communication network and the broadcasting network 102, and specific VOD broadcasting is provided. When requested, the VOD broadcast data is extracted and provided to the broadcast receiving device 100 through the internet communication network and the broadcast network 102.

The web service server 106 is a server that provides various web services including a portal site, a search site, and the like. The web service server 106 transmits data about a website requested from the broadcast reception device 100 to the internet communication network and the broadcasting network 102. Provided to the broadcast receiving device 100 through.

Meanwhile, the communication terminal 110 is a terminal that performs a voice call service with the broadcast receiving device 100 through the wired / wireless telephone network 108, and performs a wired / wireless telephone network for a voice call with a VoIP phone included in the broadcast receiving device 100. Connect to 108 to perform a mutual voice call service. Here, the wired or wireless telephone network 108 may include, for example, a public telephone network, a mobile communication network, a VoIP telephone network, and the like.

Next, when the VoIP signal is received through the cable modem in the broadcast system having the above-described configuration, the voice signal is supplied by the VoIP power supply, and when the voice call is terminated, the broadcast receiving device cuts off the VoIP power. Explain.

2 is a block diagram of a broadcast receiving apparatus suitable for selectively supplying VoIP power according to whether or not a VoIP signal is received according to an exemplary embodiment of the present invention, and includes a key input unit 202, a control unit 204, and a communication module unit. 206, the tuning and demodulation unit 208, the demultiplexer 210, the decoding unit 212, the signal processing unit 214, the power supply unit 216, the voice signal processing unit 218, and the voice input / output unit 220. Include.

Referring to FIG. 2, the key input unit 202 generates an operation signal for controlling the operation of the broadcast reception device 100, including a remote controller, for example. For example, when a key for setting a voice call service condition is input using a remote controller or the like, a function for generating a power supply condition setting operation signal is generated and provided to the control unit 204 in response to this.

In addition, the controller 204 performs a general operation control of the broadcast reception device 100, including, for example, a microprocessor, and the like to control the operation of the broadcast signal received through the communication module unit 206. And a control signal for providing a broadcast channel tuning control signal to the tuning and demodulation unit 208, and separating the demodulated broadcast stream into a video and audio signal and additional information data (PSIP information, etc.) to the demultiplexer 210. It provides a control signal for decoding the video and audio signals to the decoding unit 212, provides a control signal for reproducing the video and audio signals to the signal processing unit 214, and receives the received VoIP signal to the voice signal Provides a control signal for processing to the voice signal processor 218, and outputs a voice signal processed signal or a control signal for transmitting an input voice signal. It provides a function such as providing to the input and output unit 220.

In addition, the control unit 204 provides the signal processing unit 214 to display the power supply condition setting menu screen according to the power supply condition setting operation signal provided from the key input unit 202, and provides the power supply condition setting menu screen. When a power supply condition is input from the key input unit 202, the power supply condition is stored. Here, the power supply condition may include, for example, whether to supply or cut off the VoIP power according to the reception of the VoIP signal, and the power supply unit 216 when the power supply is set to supply power only when the VoIP signal is received. The power supply control signal is provided to control the power supply to the voice signal processor 218 and the voice input / output unit 220 and the VoIP phone.

Thereafter, the controller 204 receives and reproduces the cable broadcast through the communication module unit 206, or receives and plays the received VOD broadcast from the communication module unit 206 in the standby mode. When the VoIP signal is received, a control signal for supplying VoIP power through serial communication (for example, I2C communication, etc.) with the power supply unit 216 is provided to the power supply unit 216, and a voice call using VoIP is performed. If it is determined that the voice call is terminated through the communication module unit 206 while performing, the control unit 216 provides a control signal to cut off the VoIP power.

Meanwhile, the communication module unit 206 includes a cable modem including TCP / IP, Ethernet, and the like, and is controlled by the control unit 204 through the Internet communication network and the broadcasting network 102 or the broadcast service server 104. It connects to the web service server 106 and performs functions such as receiving a broadcast signal, accessing a website, receiving a VOD broadcast signal, and the like, transmitting and receiving voice signals through the wired / wireless telephone network 108 under control from the controller 204. The controller 204 performs a function and provides a signal to the controller 204 as to whether to receive a VoIP signal or to terminate the VoIP call. In order to perform these various functions, the cable modem may include a real time transport protocol (RTP), a real time streaming protocol (RTSP), and the like.

Next, when the tuning control signal is provided from the control unit 204, the tuning and demodulation unit 208 tunes any one of a plurality of broadcast channels received through the communication module unit 206 in response thereto. Then, the tuned broadcast signals are restored to a transport stream through a process of converting to an intermediate frequency, demodulation, and error correction.

In addition, the demultiplexer 210 extracts a video and audio signal of a broadcast program watched by a user from the restored transport stream and delivers the decoded data to the decoder 212, and the additional information data (ie, PSIP) inserted on the transport stream. Information, etc.) is extracted and transmitted to the control unit 204.

The decoding unit 212 then compresses the compressed coded broadcast signal (broadcast program signal) of a specific channel, for example, the original signal before encoding using a decoding technique such as variable length decoding, inverse DCT, inverse quantization, motion compensation, or the like. The signal is returned to the signal processor 214.

In addition, the signal processor 214 reproduces the broadcast signal restored by the decoder 312 through a monitor and a speaker (not shown). At this time, the EPG data menu screen is mixed with the digital broadcast signal (video signal). Can be reproduced, and the volume level of the audio signal can be selectively adjusted and output under the control of the controller 204.

In addition, the power supply unit 216 communicates with the control unit 204 through serial communication (eg, I2C communication) to supply or cut off the VoIP power, and to control the VoIP power supply through the serial communication from the control unit 204. When a control signal for blocking is provided, the power supply to the voice signal processing unit 218 and the voice input / output unit 220 and the VoIP phone is cut off, and when a control signal for supplying VoIP power from the control unit 204 is provided, VoIP Power is supplied to the voice signal processor 218 and the voice input / output unit 220 and the VoIP phone for the voice call.

Meanwhile, the voice signal processing unit 218 generates analog / digital conversion, ring signal generation, and tone for the VoIP signal received through the communication module unit 206 according to the VoIP power supply from the power supply unit 216. Signal processing such as signal generation is performed and transmitted to the voice input / output unit 220. Here, the voice signal processor 218 may process the voice signals transmitted from the voice input / output unit 220 and provide them to the communication module unit 206 by processing various voice signals.

Subsequently, the voice input / output unit 220 includes a speaker, a microphone, and the like of the VoIP phone according to the VoIP power supply from the power supply unit 216. The voice input / output unit 220 transmits various voice signals transmitted from the voice signal processing unit 218 to the speaker of the VoIP phone. The voice signal input through the microphone of the VoIP phone is output to the voice signal processor 218. Here, the voice input / output unit 220 may output a voice signal at a call volume level according to a voice call service condition under the control of the controller 204.

Next, the power supply condition is set in the broadcast system including the broadcast receiving apparatus as described above, and after the VoIP power is cut off, if the VoIP signal is received during broadcast playback or in standby mode, the VoIP is transmitted through serial communication. Controlling to supply power, thereby performing a voice call using VoIP, and if it is determined that the voice call is terminated while performing the voice call, a process of controlling to cut off the VoIP power will be described.

3 is a flowchart illustrating a process of providing a voice call service by selectively supplying VoIP power in response to reception of a VoIP signal according to an embodiment of the present invention.

Referring to FIG. 3, the key input unit 202 of the broadcast reception device 100 provides a setting operation signal to the control unit 204 according to an input of a key for setting a power supply condition, and the control unit 204 provides such a setting operation. According to a signal, a control is provided to provide a setting menu screen. When a power supply condition is input from the key input unit 202 through the setting menu screen, the control unit 204 sets such a power supply condition (step 302). Here, the power supply condition may include, for example, whether to supply or cut off the VoIP power according to the reception of the VoIP signal.

In addition, the control unit 204 of the broadcast reception device 100 supplies a control signal for cutting off the VoIP power supply according to a power supply condition set through serial communication (for example, I2C communication, etc.) with the power supply unit 216. The power supply unit 216 cuts off the power supply to the voice signal processor 218 and the voice input / output unit 220 and the VoIP phone (step 304).

Next, the broadcast receiving device 100 checks whether the VoIP signal is received through the communication module unit 206 in the broadcast reproduction or standby mode when the VoIP power is cut off (step 306).

As a result of the check in step 306, when the VoIP signal is received, the controller 204 provides a control signal for supplying VoIP power through serial communication with the power supply unit 216 to the power supply unit 216 according to the power supply condition. The power supply unit 216 supplies the VoIP power to the voice signal processing unit 218 and the voice input / output unit 220 and the VoIP phone (step 308).

Accordingly, the broadcast receiving device 100 performs a voice call using VoIP (step 310), and while performing the voice call, the control unit 204 performs a voice call using VoIP through the communication module unit 206 (VoIP). The call) is ended (step 312).

When the voice call using the VoIP is terminated as a result of the check in step 310, the controller 204 controls the power supply 216 to cut off the VoIP power through serial communication according to the I2C communication standard. The signal is provided to the power supply unit 216, and accordingly, the power supply unit 216 cuts off the power supply to the voice signal processing unit 218 and the voice input / output unit 220 and the VoIP phone (step 314).

Therefore, if the VoIP signal is received during broadcast playback or standby mode while the power supply condition is set according to the reception of the VoIP signal by the broadcast receiving device and the VoIP power supply is cut off, the VoIP power is supplied through serial communication. It is controlled to supply, thereby controlling to cut off the VoIP power when the voice call using VoIP is terminated while performing a voice call using VoIP, thereby preventing unnecessary waste of power.

In the foregoing description, the present invention has been described with reference to preferred embodiments, but the present invention is not necessarily limited thereto. Those skilled in the art will appreciate that the present invention may be modified without departing from the spirit of the present invention. It will be readily appreciated that branch substitutions, modifications and variations are possible.

1 is a block diagram of a broadcast system for receiving and playing broadcast signals through a cable modem according to an embodiment of the present invention;

2 is a block diagram of a broadcast receiving apparatus suitable for selectively supplying VoIP power in response to receiving a VoIP signal according to a preferred embodiment of the present invention;

3 is a flowchart illustrating a process of providing a voice call service by selectively supplying VoIP power in response to reception of a VoIP signal according to an embodiment of the present invention.

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

100: broadcast receiving device 102: internet communication network and broadcasting network

104: broadcast service server 106: web service server

108: wired or wireless telephone network 110: communication terminal

202: key input unit 204: control unit

206: communication module unit 208: tuning and demodulation unit

210: demultiplexer 212: decoder

214: signal processing unit 216: power supply unit

218: voice signal processor 220: voice output unit

Claims (3)

A method of controlling a power supply in a broadcast receiving device having a cable modem, Setting a power supply condition of the broadcast reception device; Cutting off VoIP voice signal processing and VoIP power to the VoIP telephone according to the power supply condition; Checking whether a VoIP signal is received through the cable modem; When the VoIP signal is received, supplying the VoIP power to perform a voice call; Interrupting supply of the VoIP power when the voice call is terminated Power control method of the broadcast receiving device comprising a. The method of claim 1, The power control method is a power control method for a broadcast receiving device, characterized in that for providing a control signal corresponding to the VoIP power off and the supply of VoIP power to the VoIP power supply unit in serial communication. The method of claim 2, The serial communication uses the I2C communication standard.
KR1020080067892A 2008-07-14 2008-07-14 Power control method of the broadcasting reception apparatus KR20100007309A (en)

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KR1020080067892A KR20100007309A (en) 2008-07-14 2008-07-14 Power control method of the broadcasting reception apparatus

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KR1020080067892A KR20100007309A (en) 2008-07-14 2008-07-14 Power control method of the broadcasting reception apparatus

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014092242A1 (en) * 2012-12-14 2014-06-19 전자부품연구원 Broadcast receiving terminal for implementing telephone function in standby mode, and method therefor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014092242A1 (en) * 2012-12-14 2014-06-19 전자부품연구원 Broadcast receiving terminal for implementing telephone function in standby mode, and method therefor
KR101443251B1 (en) * 2012-12-14 2014-09-22 전자부품연구원 A broadcast receiving apparatus and method for implementing telephone function at standby mode

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