KR100892466B1 - Apparatus for play/record of broadcasting signal, and pportable terminal having the same - Google Patents

Abstract

Disclosed is a broadcast signal reproducing / recording apparatus capable of simultaneously recording and reproducing different channels. The first tuner unit outputs first broadcast information corresponding to a predetermined broadcast channel selected from the received broadcast signal, and the second tuner unit outputs second broadcast information corresponding to a predetermined broadcast channel selected from the broadcast signal. The recording / reproducing unit stores the second broadcast information in the storage unit in response to the control signal, or reproduces the second broadcast information stored in the storage unit. Therefore, the system includes two tuner units and a recording / reproducing unit, and in response to a channel selection control signal according to a user's setting, watches a specific broadcast channel received by the first tuner unit in real time, and receives the broadcast channel received by the second tuner unit. Can record and play different channels at the same time by recording them in the storage and playing them later.

Description

Apparatus for reproducing / recording broadcast signals, a portable terminal having the apparatus {APPARATUS FOR PLAY / RECORD OF BROADCASTING SIGNAL, AND PPORTABLE TERMINAL HAVING THE SAME}

1 is a block diagram illustrating a configuration of an apparatus for reproducing / recording a broadcast signal according to an embodiment of the present invention.

2 is a flowchart illustrating a reproduction / recording process of a broadcast signal according to an embodiment of the present invention.

3 is a block diagram illustrating a configuration of a portable terminal having an apparatus for reproducing / recording a broadcast signal according to an embodiment of the present invention.

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

10: first tuner portion 20: second tuner portion

30: recording / playback section 40: storage section

50: channel selector 60: demultiplexer

70: video processing unit 80: data processing unit

90: audio processing unit 100: broadcast receiving unit

110: key input unit 120: control unit

130: memory 140: display unit

150: transceiver 160: ring tone transmitter

170: sound processing unit 180: sound output unit

The present invention relates to a broadcast signal reproducing / recording apparatus, a portable terminal having the apparatus, and more particularly, to a broadcast signal reproducing / recording apparatus applicable to digital broadcasting, and a portable terminal having the apparatus.

Recently, in addition to the conventional voice transmission / reception function, portable terminals having a function of receiving digital broadcasting such as terrestrial digital multimedia broadcasting (DMB) are actively spread and high quality on the go. You can now watch multimedia broadcasts.

DMB service is a service that can receive TV video, radio and text broadcasting on the move by using digital broadcasting technology. It can provide CD quality sound and data or video service, and digital communication that provides excellent fixed and mobile TV quality. It is a multimedia mobile broadcasting service that combines broadcasting and broadcasting.

Conventional portable terminals capable of receiving digital broadcasts extract the frequency of a specific channel selected by a user through a broadcast receiving antenna, demodulate and demultiplex it to generate a video signal, a data signal, and an audio signal. Decoded signals are output through the display unit and the audio output unit.

However, the conventional portable terminal as described above has a problem in that the user cannot watch the broadcast again when the user does not watch the broadcast at the time when the broadcast is provided.

In order to compensate for the above problems, Korean Laid-Open Patent Publication No. 2005-52859 incorporates a separate storage device in a broadcast receiving device to record or record DMB contents.

However, Korean Laid-Open Patent Publication No. 2005-52859 also includes only one tuner, so the broadcast channel stored in the storage device and the channel broadcast in real time are the same channel. That is, only the broadcast channel that the user is currently watching can be reproduced and watched.

Therefore, the conventional portable terminals as described above have a disadvantage in that when there is more than one channel that a user wants to watch from among a plurality of channels broadcast at a specific time, this cannot be satisfied.

Accordingly, a first object of the present invention is to provide a broadcast signal reproducing / recording apparatus capable of simultaneously recording and reproducing different channels.

It is a second object of the present invention to provide a portable terminal having a device for reproducing / recording the broadcast signal.

In accordance with an aspect of the present invention, there is provided a apparatus for reproducing / recording a broadcast signal, comprising: a first tuner for outputting first broadcast information corresponding to a first broadcast channel selected from a received broadcast signal; And a second tuner unit for outputting second broadcast information corresponding to a second broadcast channel selected from the broadcast signal, storing the second broadcast information in response to a recording control signal, and responsive to the reproduction control signal. And a recording / reproducing unit for reproducing the stored second broadcast information and a storage unit for storing the second broadcast signal. The apparatus for reproducing / recording the broadcast signal provides a first channel selection signal to the first tuner unit so that the first broadcast information is viewed, and transmits a second channel selection signal to the second tuner to store the second broadcast information. The apparatus may further include a channel selector configured to provide a second tuner unit and provide the recording control signal to the recording / reproducing unit. The channel selector may provide the reproduction / control signal to the recording / reproducing unit to view the stored second broadcast information.

Each of the first broadcast information and the second broadcast information may be a signal obtained by extracting a frequency signal corresponding to a predetermined channel selected from the broadcast signal, converting the signal into a baseband signal, and channel decoding the converted baseband signal.

In addition, a portable terminal having an apparatus for reproducing / recording a broadcast signal according to an aspect of the present invention for achieving a second object of the present invention receives first broadcast information and second broadcast corresponding to a selected broadcast channel. A broadcast receiver for outputting information and processing one of the first broadcast information and the second broadcast information, and outputting a video signal and an audio signal; and the first broadcast information and the second broadcast. A control unit for determining broadcast information to be processed among the information, a display unit displaying an image based on the video signal output from the broadcast receiver, and an audio signal of an audible frequency band based on the audio signal output from the broadcast receiver. It includes a sound output unit.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description.

However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

Hereinafter, with reference to the accompanying drawings, it will be described in detail a preferred embodiment of the present invention. Hereinafter, the same reference numerals are used for the same components in the drawings, and duplicate descriptions of the same components are omitted.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component. The term and / or includes a combination of a plurality of related items or any item of a plurality of related items.

Hereinafter, broadcasting refers to a concept including digital TV broadcasting. In other words, broadcast refers to a concept including all terrestrial DMB broadcasting, satellite DMB broadcasting, and DVB (Digital Video Broadcasting) broadcasting in Europe.

1 is a block diagram illustrating a configuration of an apparatus for reproducing / recording a broadcast signal according to an embodiment of the present invention.

Referring to FIG. 1, the apparatus for reproducing / recording a broadcast signal according to an embodiment of the present invention may include a first tuner unit 10, a second tuner unit 20, a recording / reproducing unit 30, and a storage unit 40. ), A channel selector 50, a demultiplexer 60, a video processor 70, a data processor 80, an audio processor 90, a display 140, and a sound output 180.

The first tuner unit 10 includes a tuner (not shown) connected to the antenna ANT1 and a channel decoder (not shown) connected to the tuner. The tuner extracts a frequency signal corresponding to the selected broadcast channel from the high frequency signal received by the antenna ANT1 in response to the channel selection control signal, converts the signal into a baseband signal, and transmits the converted baseband signal to the channel decoder.

Here, the broadcast channel may be a terrestrial DMB channel or satellite DMB channel, a European DVB channel, or the like.

The channel decoder channel decodes the converted baseband signal and then outputs the decoded packet stream. The decoded packet stream includes video information, audio information and general data information. The video information may be video data encoded according to the MPEG-4 (H.264) or MPEG-2 standard. Audio information is provided by AAC ( Advanced Audio Coding ) or audio data encoded according to Bit Sliced Arithmetic Coding (BSAC).

Since the second tuner unit 20 performs the same function as that of the first tuner unit 10, description thereof is omitted to avoid duplication. The first tuner 10 and the second tuner 20 may each receive the same broadcast channel or may receive different broadcast channels at a specific time according to a channel selection control signal.

The recording / reproducing section 30 performs processing for recording the packet stream received from the second tuner section 20 or reading out and storing the stored packet stream in response to the recording or reproducing control signal.

The storage unit 40 is connected to the recording / reproducing unit, and is a place where the packet stream output from the second tuner unit 20 is stored. The storage unit 40 may be implemented as a micro hard disk drive (for example, a micro drive) or a flash memory having low power consumption and nonvolatile characteristics.

The channel selector 50 transmits a channel selection control signal including channel selection information of the user for the broadcast channel to be watched to the first tuner 10, and includes the channel selection information to be recorded in the storage 40. The selection control signal is transmitted to the second tuner unit 20.

In addition, a recording control signal for recording a broadcast channel that the user wants to record and a reproduction control signal for reproducing the broadcast channel recorded in the storage unit 40 are transmitted to the recording / reproducing unit 30.

In addition, the channel selector 50 may receive information about a broadcast channel that the user wants to record from the user before viewing a specific broadcast channel or while watching a specific broadcast channel through a user interface screen. The information about the broadcast channel to be recorded may include a broadcast channel to be recorded, a recording period, a recording start time and / or a recording end time. The recording control signal may be activated when a preset recording start time arrives or may be activated when a predetermined key input event of a broadcast channel "recording" occurs from a user.

The channel selector 50 controls only one device of the first tuner 10 and the recording / reproducing section 30 to output a packet stream at a specific time. For example, when a user watches a specific channel and records another channel at a specific time, the channel selector 50 selects a channel for a broadcast channel that the user wants to watch with the first tuner. The control signal is transmitted, and the channel selection control signal for the broadcast channel that the user wants to record is transmitted to the second tuner unit 20. Then, the recording control signal is transmitted to the recording / reproducing section 30, so that the packet stream is output only from the first tuner section 10 among the first tuner section 10 and the recording / reproducing section.

When the user wishes to watch a broadcast recorded in the storage unit 40 at a specific time, the channel selector 50 transmits a reproduction control signal to the recording / reproducing unit 30 so as to transmit the first tuner unit 10. And the packet stream is output from the recording / reproducing section 30 of the recording / playback section 30.

The demultiplexer 60 is connected to the first tuner unit 10 and the recording / reproducing unit 30, and demultiplexes the packet stream received from the first tuner unit 10 or the recording / reproducing unit 30. Output That is, the demultiplexer 60 parses the video information, the audio information, and the data information from the received packet stream, demultiplexes the received packet stream, and then transmits the video information to the video processor 70. The audio information is transmitted to the audio processor 90, and the data information is transmitted to the data processor 80.

The video processor 70 receives video information from the demultiplexer 60, decodes the received video information in consideration of A / V Synchoronization of audio A / V, and outputs the decoded video information. The audio processor 90 receives audio information from the demultiplexer 60, decodes the received audio information in consideration of audio (A) / video (V) sync, and outputs the decoded audio information.

The data processor 80 receives data information from the demultiplexer 60, decodes the data information into a signal that can be displayed on the display 140, and outputs the decoded data. The data information includes additional information related to broadcasting programs such as Electronic Program Guide (EPG), Musicians, etc., and independent information such as stock quote, weather, electronic newspaper, travel guide, traffic information, and GPS (Global Positioning System) linked navigation service. It can be information.

The display 140 is connected to the video processor 70 and the data processor 80, and receives the video signal and data decoded and output by the video processor 70 and the data processor 80 and displays an image based thereon. do. The display unit 140 may be, for example, a liquid crystal display (LCD).

The sound output unit 180 is connected to the audio processor 90, receives the audio signal decoded and output by the audio processor 90, and outputs an audio signal in the audio frequency band based on the audio signal. The sound output unit 180 may include a speaker or earphone terminal.

In the apparatus for reproducing / recording a broadcast signal according to an embodiment of the present invention as shown in FIG. 1, when a user selects a viewing channel and a recording channel at a specific time, the first tuner unit 10 and the second tuner may correspond to each other. By controlling the unit 20 and the recording / reproducing section 30 by the channel selecting section 50, it is possible to watch one channel at a specific time while simultaneously recording a channel different from the viewing channel. Alternatively, the same channel as the viewing channel may be recorded according to the user's selection.

2 is a flowchart illustrating a reproduction / recording process of a broadcast signal according to an embodiment of the present invention.

First, the channel selector 50 determines whether the user selects recording of a specific broadcast channel (step 310). Selecting the recording of a broadcast channel by the user means watching one broadcast channel at a specific time and recording another broadcast channel.

If it is determined in step 310 that the recording of the broadcast channel is selected, the channel selector 50 transmits a channel selection control signal corresponding to the broadcast channel selected by the user for viewing to the first tuner 10, and The tuner 20 transmits a channel selection control signal corresponding to the broadcast channel selected by the user for recording. The channel selector 50 transmits a recording control signal to the recording / reproducing unit 30 so that the broadcast channel to be recorded by the user is recorded (step 312).

Thereafter, the first tuner unit 10 and the second tuner unit 20 perform a task corresponding to the viewing and recording channel selected by the user, respectively, and output a packet stream (step 314).

Next, the demultiplexer 60 demultiplexes the packet stream of the viewing channel output from the first tuner unit 10, and the recording / reproducing unit 30 demultiplexes the packet stream output from the second tuner unit 20. Write to storage 40 (step 316).

The video, audio, and data information output from the demultiplexer 60 is decoded by the video processor 70, the audio processor 90, and the data processor 80 (step 318). A decoded video signal and data are received and an image is displayed based on the decoded video signal, and the sound output unit 180 receives the decoded audio signal and outputs an audio signal of an audio frequency band based on the decoded audio signal (step 320).

If it is determined in step 310 that the recording of the broadcast channel is not selected, this means that the playback of the broadcast channel recorded in the storage unit 40 is selected, and therefore the channel selector 50 is the recording / playback unit 30. In step 322, a reproduction control signal is transmitted.

The recording / reproducing section 30 receives the reproduction control signal from the channel selecting section 50 and in response thereto reads and outputs the packet stream of the broadcast channel stored in the storage section 40 (step 324). The packet stream output from the recording / reproducing section 30 is transmitted to the demultiplexing section 60 to demultiplex (step 326), and the flow proceeds to step 318 to perform the steps 318 to 320 above.

FIG. 2 illustrates an operation sequence when a user watches one broadcast channel at a specific time and records another broadcast channel, or when the user plays a broadcast program recorded in the storage unit 40 at a specific time. The user may be configured to watch only one broadcast channel at a specific time, or the user may be configured to record only one broadcast channel at a specific time. Alternatively, the user may be configured to watch and record one broadcast channel at a specific time.

3 is a block diagram illustrating a configuration of a portable terminal having an apparatus for reproducing / recording a broadcast signal according to an embodiment of the present invention.

Referring to FIG. 3, a portable terminal having an apparatus for reproducing / recording a broadcast signal according to an exemplary embodiment of the present invention may include a key input unit 110, a controller 120, a memory 130, a display unit 140, and a broadcast receiving unit. 100, a transceiver 150, a ring tone generator 160, a sound processor 170, and a sound output unit 180.

The key input unit 110 receives an input for various functions and operations of the portable terminal from the user and outputs a signal corresponding thereto. In particular, the key input unit 110 receives a selection for viewing and recording a broadcast channel from a user and transmits a signal corresponding thereto to the controller 120.

The controller 120 includes a channel selection module 55, and the channel selection module 55 performs the same function as the channel selection unit 50 shown in FIG. 1. The controller 120 receives signals processed by the key input unit 110, the transmitter / receiver 150, and the broadcast receiver 100, and controls the operation of each component of the terminal based on the received signal, in particular, the channel selection module 55. ) Receives the viewing and / or recording channel information selected by the user and controls the operation of the broadcast receiving unit 100 based on the information.

The memory 130 temporarily stores an operating system (OS) program of the controller 120 and data generated while the portable terminal executes the operating system program.

The display unit 140 is a display device such as a liquid crystal display device, for example, and has the same configuration as the display unit 140 shown in FIG. 1. The broadcast receiver 100 has the same configuration as the broadcast receiver 100 illustrated in FIG. 1. The broadcast receiving unit 100 may receive both a terrestrial DMB signal, a satellite DMB signal, and / or a DVB signal in European style.

The transceiver 150 converts a radio frequency (RF) signal received through the antenna ANT2 into a baseband signal, converts the baseband signal output from the controller 120 into a radio signal, and outputs the same through the antenna ANT2. do.

The ring tone generator 160 outputs the incoming sound source through the sound output unit 180 when receiving a call under the control of the controller 120, and generates a handset sound through the sound output unit 180 during a call. .

The sound processor 170 demodulates the voice data input from the transceiver 150 and the sound data stored in the memory 130 into a sound signal and outputs the sound signal through the sound output unit 180.

The sound output unit 180 includes a speaker and / or an earphone terminal. The sound output unit 180 has the same configuration as the sound output unit 180 illustrated in FIG. 1.

According to a portable terminal having a broadcast signal reproducing / recording device as described above, a specific broadcast channel having two tuner parts and a recording / playback part and received by a first tuner part in response to a channel selection control signal according to a user's setting is provided. Watch in real time, the broadcast channel received from the second tuner unit is recorded in the storage unit and later reproduced. Therefore, by watching one broadcast channel and recording another broadcast channel at the same time, it is possible to satisfy various broadcast viewing needs of the user and to expand the selection of the broadcast channel.

Although described with reference to the embodiments above, those skilled in the art will understand that the present invention can be variously modified and changed without departing from the spirit and scope of the invention as set forth in the claims below. Could be.

Claims (5)

delete delete delete delete Receives a broadcast signal and outputs the first broadcast information and the second broadcast information corresponding to the selected broadcast channel, and processes the broadcast information of any one of the output first broadcast information and the second broadcast information to output a video signal and audio. A broadcast receiver for outputting a signal; A controller configured to determine broadcast information to be processed among the first broadcast information and the second broadcast information; A display unit which displays an image based on the video signal output from the broadcast receiving unit; And And a sound output unit for outputting an audio signal of an audible frequency band based on the audio signal output from the broadcast receiving unit.

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