KR20050067865A - Mobile phone capable of playing multimedia contents with a telephone call - Google Patents

Abstract

The present invention relates to a mobile communication terminal capable of simultaneously playing a voice call and moving picture content or reproducing a voice call and audio content, comprising: an RF unit for transmitting and receiving a radio signal with a base station; A memory for storing multimedia content information; A content reproduction processor for accessing and decoding selected multimedia content information from the memory and outputting the processed data to a display unit and an audio output unit; A phone control unit which requests the content reproduction processing unit to play the multimedia content selected by the user through a keypad, and performs a voice call in parallel with the content reproduction when a call is received through the RF unit during the reproduction processing of the content; Characterized by including.

Description

MOBILE PHONE CAPABLE OF PLAYING MULTIMEDIA CONTENTS WITH A TELEPHONE CALL}

The present invention relates to a mobile communication terminal, and more particularly, to a mobile communication terminal capable of simultaneously playing a voice call and moving picture content or playing a voice call and audio content.

Today's mobile phones are designed to meet the needs of consumers by offering additional features such as wireless Internet access, video calling, TV reception, camera shooting, and VOD content services in addition to the basic features of voice calls. Considering the various functions added to the terminal to satisfy the various needs of consumers as described above, the recent mobile communication terminals are a composite multimedia product.

Considering a personal computer that is representative of a composite multimedia product, computer users can basically play and listen to media content such as music while performing a wording operation through a single computer system. In other words, the computer system may be referred to as a system capable of multitasking.

However, even though the mobile terminal is commercially available, it is designed to perform only one task despite the trend of commercializing multimedia products like a personal computer. Therefore, when a call is received while supporting an additional function such as playing video content, It had the disadvantage of suspending additional functions such as playing content currently being processed for processing.

Accordingly, an object of the present invention is to provide a mobile communication terminal capable of simultaneously playing video content or audio content in parallel with a voice call.

Furthermore, another object of the present invention is to provide a mobile communication terminal capable of playing audio content to a call counterpart during a call.

A mobile communication terminal according to an embodiment of the present invention for achieving the above object is a mobile communication terminal capable of playing multimedia content with a call,

RF unit for transmitting and receiving a radio signal with a base station;

A memory for storing multimedia content information;

A content reproduction processor for accessing and decoding selected multimedia content information from the memory and outputting the processed data to a display unit and an audio output unit;

A phone control unit which requests the content reproduction processing unit to play the multimedia content selected by the user through a keypad, and performs a voice call in parallel with the content reproduction when a call is received through the RF unit during the reproduction processing of the content; Characterized by including.

In addition, the content reproduction processing unit in the mobile communication terminal according to an embodiment of the present invention;

A control unit which displays a list of multimedia contents on a display unit according to a request of the phone control unit, and provides position information for playing the content when inputting content selection information from the phone control unit;

A memory controller which accesses and outputs the content designated by the controller and stores the content information downloaded at the designated position;

An image processing unit which decodes the moving image content information accessed by the memory control unit, converts the moving image content information into color display data, and outputs it to the display unit;

And an audio processor for decoding audio content information accessed by the memory controller and outputting the decoded audio content information to an audio output unit.

According to the characteristics of the present invention as described above, the terminal user can conveniently perform a voice call with a call counterpart who calls the user while playing or watching a video stored in the memory or listening to music content information.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, if it is determined that a detailed description of related known functions or configurations may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

1 is a block diagram of a mobile communication terminal according to an embodiment of the present invention.

Referring to FIG. 1, the RF unit 100 transmits and receives a radio signal to and from a base station. The RF unit 100 processes a radio signal received through an antenna ANT as an intermediate frequency signal and outputs the radio signal to a phone controller 130 to be described later. The transmission signal output from the up-converted at 130 is transmitted through the antenna ANT.

The handset processor 110 includes circuits necessary for a voice call such as a microphone (MIC), a speaker (SPK), and an audio amplifier, and converts an electrical signal into an audible sound or converts a voice signal into an electrical signal. .

The keypad 120 includes a plurality of keys including a plurality of numeric keys for dialing and a background play key according to an embodiment of the present invention, and generates key data according to the input of the phone. Send it to.

The phone controller 130 has a built-in voice call processing unit for making a voice call between the call counterpart and the terminal handset 110 and performs the overall operation of the terminal based on the control program data stored in the memory 140 to be described later. To control. More specifically, the phone control unit 130 down-converts the radio signal received through the RF unit 100 to output the signal processed voice data to the handset 110, and the handset 110 And a voice call processor for up-converting the voice signal input through the RF signal to the RF unit 100. When the user receives a background music playback command from the user during a call, the phone controller 130 requests the content playback processor 150 to play back the preset background music.

The phone controller 130 may be implemented as an integrated circuit generally called an MSM chip. Basically, the phone controller 130 supports a voice call as described above, and a system according to whether a user command or call is received through the keypad 120. It includes a microprocessor for controlling each unit.

The memory 140 stores control program data for controlling the overall operation of the mobile communication terminal. The memory unit 210 includes a flash memory, a static RAM, an EEPROM, and the like.

Referring to the content reproduction processing unit 150 that is multi-tasking with the phone control unit 130, the content reproduction processing unit 150 accesses the multimedia content selected by the user in the memory 170 in which the multimedia content information is stored Decoding process, and outputs the decoded data through the display unit 160 and the audio output unit 180.

The content reproduction processing unit 150 includes a control unit 151 for updating the content list every time the content is stored. The controller 151 displays a content list on the display unit 160 according to a request of the phone controller 130, and stores location information necessary for reproducing the content when the content selection information is input from the phone controller 130. It serves to transfer to the control unit 155.

The memory controller 155 further included in the content reproduction processor 150 controls access to the memory 170 under the control of the controller 151. That is, the controller 151 accesses and outputs the content designated by the controller 151 or stores the downloaded content information in the designated location.

The image processor 153 decodes the video content information accessed by the memory controller 155, converts the video content information into color display data, and outputs it to the display unit 160.

The audio processor 157 also decodes the background music or audio content information accessed by the memory controller 155 and outputs it to the audio output unit 180. Although not shown, the content reproduction processor 150 should basically include a memory for buffering the processed data, and a data parser for separating audio data and video data.

If the mobile communication terminal further includes a camera, the digital image data acquired through the camera may be converted into n-bit color display data by the image processor 153 and output to the display unit 160.

The display unit 160 includes an LCD driver and a color LCD to display n-bit color display data output from the image processor 153 on the LCD.

The memory 170 is used to store video content or audio content downloaded from a wireless Internet connection or a PC.

The audio output unit 180 converts the digital audio data reproduced by the content reproduction processor 150 into an analog audio signal, and amplifies and outputs the digital audio data. The audio signal amplified in this manner is then output as an audible sound through the second speaker.

Hereinafter, a process of playing multimedia content with a call in a mobile communication terminal having the above-described configuration will be described.

2 is a flowchart illustrating an operation of a mobile communication terminal in which a call and multimedia content playback are simultaneously performed according to an embodiment of the present invention.

Referring to FIG. 2, first, a terminal user may input a command for playing and viewing a video (VOD) content downloaded by the user through the keypad 120. When such a command is defined as a "content playback selection command", when the content playback selection command is received from the keypad 120 (step 200), the phone controller 130 requests the content playback processing unit 150 to display the content list (210). Step).

For reference, the content reproduction processor 150 stores the content information downloaded by the user's selection in the memory 170 and updates the content list in which the location information of the corresponding content is recorded every time the content is stored. As such, the content reproduction processing unit 150 which updates the content list every time the content is stored, displays a content list on the display unit 160 in response to the content list display request from the phone controller 130 (step 220). give.

As such, when the list of contents stored in the terminal is displayed on the display unit 160, the user may select one of the contents and request to play the content. That is, if there is a request to play the selected content through the keypad 120 (step 230), the phone controller 130 requests the content playback processor 150 to play the selected content (step 240). Then, the controller 151 of the content reproduction processor 150 transmits the index information of the selected content to the memory controller 155 so that the memory controller 155 accesses the selected content information from the memory 170 to access the image processor 153. To pass).

Accordingly, since the image processor 153 decodes the content information and processes the n-bit color display data to be displayed and applied to the display unit 160, the terminal user can view the video content selected by the user through the display unit 160. (Step 250). Of course, if audio information is mixed with the selected content, the audio data separated by the data parser will be decoded and output by the audio processor 157.

As described above, if a call is received while watching video content playback (step 260), the phone controller 130 controls the terminal system to make a voice call between the caller and the terminal user. For example, the phone controller 130 outputs the ringing tone in step 270 in response to the incoming call. The ring tone is a concept including a ringtone as well as a vibrating sound.

If the user responds to the incoming call output, such as opening and closing a folder and inputting a call key (step 280), the phone controller 130 proceeds to step 290 between the handset processing unit 110 and the RF unit 100. In step 290, a call channel is formed.

Accordingly, the terminal user can perform a voice call with the caller. Since the video content is being played by the content playback processor 150, the user can then call the caller through a hands-free device such as a microphone. It will be advantageous to the city hall.

On the other hand, as another embodiment of the present invention, the terminal user may hear the background music set in advance to the call counterpart. Another embodiment of the present invention will be described with reference to FIG. 3. First, a user can set any one of a plurality of downloaded background music files as background music. This background music setting may be set by the following method. For example, a user may select a background music setting mode on a menu and set one music file as a background music of his or her desire from the list of audio contents displayed in response to the selection.

As described above, the user can perform a phone call through the terminal on which the background music is set. When the user presses the background music play key to listen to the background music set by the user to the other party during the call mode, The phone controller 130 requests the content playback processor 150 to play the background music in response.

Then, the content reproduction processing unit 150, more specifically, the control unit 151 of the content reproduction processing unit 150 transmits the preset index information of the background music to the memory control unit 155, so that the memory control unit 155 The set background music content is accessed from the memory 170 and transferred to the audio processor 157.

Therefore, the background music content is decoded by the audio processor 157 and then applied to the audio output unit 180, and converted into an analog signal through the audio output unit 180, and finally outputted as an audible sound through the second speaker. Will be.

As such, the background music output as an audible sound through the second speaker is re-input to the handset processing unit 110 through a microphone (MIC) to be signal processed, and as a result, the signal is processed and RF transmitted as a voice of the terminal user. Get

Therefore, the other party can listen to the background music played by the terminal user at a far distance.

Since the mobile communication terminal of the present invention as described above is provided with a phone control unit and a content reproduction processing unit for multitasking, the terminal user can perform a call while watching video content, as well as send music to the other party during the call. There is a convenience that can be played by playing.

On the other hand, the present invention has been described with reference to the embodiments shown in the drawings, which are merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention should be defined only by the appended claims.

1 is a block diagram of a mobile communication terminal according to an embodiment of the present invention;

2 is a flowchart illustrating an operation of a mobile communication terminal in which a call and multimedia content playback are simultaneously performed according to an embodiment of the present invention.

3 is a flowchart for processing playback of background music during a voice call according to an embodiment of the present invention.

Claims (3)

A mobile communication terminal capable of playing multimedia contents with a call, RF unit for transmitting and receiving a radio signal with a base station; A memory for storing multimedia content information; A content reproduction processor for accessing and decoding selected multimedia content information from the memory and outputting the processed data to a display unit and an audio output unit; A phone control unit which requests the content reproduction processing unit to play the multimedia content selected by the user through a keypad, and performs a voice call in parallel with the content reproduction when a call is received through the RF unit during the reproduction processing of the content; A mobile communication terminal capable of simultaneously playing a call and playing multimedia content. The method of claim 1, wherein the content reproduction processing unit; A control unit which displays a list of multimedia contents on a display unit according to a request of the phone control unit, and provides position information for playing the content when inputting content selection information from the phone control unit; A memory controller which accesses and outputs the content designated by the controller and stores the content information downloaded at the designated position; An image processing unit which decodes the moving image content information accessed by the memory control unit, converts the moving image content information into color display data, and outputs it to the display unit; And an audio processor which decodes the audio content information accessed by the memory controller and outputs the audio content information to the audio output unit. A mobile communication terminal capable of playing multimedia contents with a call, RF unit for transmitting and receiving a radio signal with a base station; A memory for storing background music information; Down-converting the wireless signal received through the RF unit to output the processed voice data to the handset, and converting the voice signal input through the handset to the RF unit and including a voice call processing unit, A phone controller for requesting playback of background music preset when the user receives a background music playback command from the user; A content playback processor for accessing and decoding the background music from the memory and outputting the data to an audio output unit upon receiving the background music playback request from the phone controller; Communication terminal.