KR20050093660A - Method for processing data in the mobile terminal - Google Patents

Abstract

The present invention relates to a portable terminal, and more particularly, to a data processing method of a portable terminal to output a video signal and an audio signal serviced through the portable terminal through an external device. To this end, the present invention provides a data processing method of a portable terminal capable of receiving a broadcast, comprising: receiving a broadcast signal of a selected specific channel; And selectively outputting the broadcast data of the received specific channel through the display window and the speaker of the external image and audio device or the portable terminal.

Description

Data processing method of portable terminal {METHOD FOR PROCESSING DATA IN THE MOBILE TERMINAL}

The present invention relates to a portable terminal, and more particularly, to a data processing method of a portable terminal to output a video signal and an audio signal serviced through the portable terminal through an external device.

In general, portable terminals require the development of a composite wireless communication terminal with various functions in addition to a voice call as well as a function of sending and receiving text messages, as well as a network providing information in recent years. It is becoming. Therefore, a portable terminal (hereinafter, referred to as a "portable terminal") that can watch TV among these portable wireless portable terminals has been developed. Such a portable terminal displays a TV broadcast screen on an LCD, that is, a display window and simultaneously displays the TV. The TV audio is output through a speaker built in the terminal or an earphone connected to the portable terminal. Such a conventional portable terminal is divided into two modes to operate.

First, in the case of using a telephone other than the TV viewing function, the portable terminal mode screen is displayed on the display window and the call voice is output to the speaker.

Secondly, in the TV mode, a TV broadcast screen of a channel selected by a user is received through a TV module of the portable terminal, and the TV video signal of the corresponding channel is displayed on the display window of the portable terminal, and the TV audio signal of the corresponding channel is displayed on the portable terminal. Output to the speaker of.

Such a conventional portable terminal has a karaoke function that allows the user to sing in accordance with the song accompaniment. Thus, the user operates the portable terminal to execute the karaoke function and sing along with the song accompaniment played through the portable terminal.

However, the conventional portable terminal has a limited problem in displaying all screen data that can be provided through a narrow display window provided in the portable terminal. In addition, since audio data is provided only through the speaker or earphone of the portable terminal, the screen data has a problem in processing realistic audio signals when watching TV and using karaoke functions.

Accordingly, the present invention has been made in view of the above problems, and an object thereof is to provide a data processing method of a portable terminal for outputting an image and audio signal serviced through the portable terminal through an external device.

Another object of the present invention is to provide a data processing method of a portable terminal which enables a user to watch a stored broadcast screen when the user desires by storing the broadcast image and audio signal received through the portable terminal.

In addition, another object of the present invention is to provide a data processing method of a portable terminal to output the video and audio signals output through the portable terminal to an external device.

In addition, another object of the present invention is to provide a data processing method of a portable terminal to output the karaoke accompaniment and video and audio signals of the song to an external device when using the karaoke function of the portable terminal.

In addition, another object of the present invention is to provide a data processing method of a portable terminal that can be used to record the voice signal of the user to call along with the song accompaniment when using the karaoke function of the portable terminal.

According to an aspect of the present invention, there is provided a data processing method of a portable terminal capable of receiving a broadcast, the method comprising: receiving a broadcast signal of a selected specific channel; And selectively outputting the broadcast data of the received specific channel through the display window and the speaker of the external image and audio device or the portable terminal.

In addition, the present invention for achieving the above object, in the data processing method of the portable terminal when performing the karaoke function, the process of sensing the selected mode to operate the karaoke menu is selected karaoke menu; If the selected mode is a karaoke mode that can sing along with the song accompaniment, it characterized in that the step of selectively outputting the karaoke video and audio signals through the display and the speaker of the external image and audio device or portable terminal.

In addition, the present invention for achieving the above object, the data processing method of a portable terminal for displaying an image and audio signal through an external device, comprising the steps of: sensing the mode selected to run in the portable terminal; Characterized in that the video and audio signals to be executed in the sensed mode as a signal to selectively transmit to the external device or output through the display window and the speaker of the portable terminal.

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

It should be noted that in the following description, only parts necessary for understanding the operation and operation according to the present invention will be described, and descriptions of other parts will be omitted so as not to distract from the gist of the present invention.

In addition, in the following description, a TV menu of a terrestrial broadcast among broadcast signals, that is, terrestrial broadcast and satellite broadcast signals, will be described as an example to help understand the data processing method of the portable terminal of the present invention.

1 is a diagram showing the configuration of a portable terminal according to an embodiment of the present invention. The portable terminal may be a mobile telephone.

Referring to FIG. 1, a radio frequency switch (RFSW) 40 can operate in a wireless menu and a TV menu of a portable phone according to a control signal of the controller 10 (TV mode, reserved recording mode, playback mode). Switching connection to operate as one of the functions.

The RF unit 21 performs wireless communication of the portable telephone. The RF unit 21 includes an RF transmitter for upconverting and amplifying a frequency of a transmitted signal, and an RF receiver for low noise amplifying and downconverting a received signal.

The data processor 23 includes a transmitter for encoding and modulating the transmitted signal and a receiver for demodulating and decoding the received signal. That is, the data processor 23 may include a modem and a codec.

The keypad 27 has keys for inputting numeric and text information and function keys for setting various functions. In addition, the keypad 27 includes various mode setting keys for processing a TV video signal according to an exemplary embodiment of the present invention.

The memory 29 may be composed of program memory and data memories. The program memory stores programs for controlling a general operation of the portable telephone, a program for processing a TV video signal, and a program for processing a karaoke video signal according to an embodiment of the present invention. In addition, the data memory temporarily stores data generated during the execution of the programs.

The controller 10 performs a function of controlling the overall operation of the portable telephone. In addition, the controller 20 may include the data processor 23. In addition, the control unit 10 receives the TV image and audio signal of a specific channel when executing the TV menu from the keypad 27 according to the first embodiment of the present invention and selecting the TV mode of the lower menu of the TV menu. Controls the overall operation to output signals and voice signals. In addition, it controls the overall operation of the reservation recording mode to enable the reservation recording by turning on the tuner 50 in accordance with the set time and the video signal of the channel. In addition, the reserved recording mode controls the overall operation of the playback mode to play the TV video signal stored in the memory 29. In addition, the recording mode is executed in the TV viewing mode to control the TV image signal and the audio signal being watched to be stored in the memory 29. In addition, the controller 10 controls the overall operation of the karaoke menu according to the second embodiment of the present invention. In addition, the controller 10 controls to store a song accompaniment and a voice of a user singing a song in accordance with the song accompaniment using the recording function in the memory 29.

The tuner 50 receives a TV video signal of a selected channel under the control of the controller 10 and performs a function of frequency converting the received TV video signal.

The decoder 60 demodulates and decodes the TV video signal and the audio signal output from the tuner 50. The decoder 60 decodes the TV video signal and outputs a color signal R, G, B or Y, U, V and a synchronization signal (a horizontal synchronization signal and a vertical synchronization signal).

The image processor 70 communicates data with the controller 10 and displays the TV image signal output from the decoder 60 under the control of the controller 10 when the TV image signal received through the portable telephone is not set to be output to an external video apparatus. Performs signal processing to display according to 90. In addition, when the image processing unit 80 is set to output to the external video device, a function of processing an image signal and user data output from the control unit 10 and outputting the same to the corresponding area of the display unit 90 by the external video device connected to the connector 80. Do this. Here, the image processor 70 processes the TV image signal in full screen according to a user's selection, or processes the TV image signal in an area other than the user data output from the controller 10. Here, the user data includes a current time, battery level indication, reception sensitivity, broadcasting information of a TV channel being viewed, and the like. In addition, the image processing unit 70 receives an image signal output during the karaoke menu from the control unit 10 under the control of the control unit 10, and processes the karaoke image signal in accordance with the external image device or the display unit 90 connected to the connector 80.

Connector 80 is an interface for connecting an external video device and a mobile phone. In addition, the connector 80 outputs the output TV video signal and karaoke video signal of the decoder 60 to the external video device under the control of the controller 10. In addition, the connector 80 outputs a TV video signal and a karaoke video signal to the display unit 90 instead of the external video device.

The display unit 90 displays data output from the controller 10 in the communication mode. In addition, when the mode is operated in the TV menu, the TV image data output from the image processor 80 is displayed. The display unit 90 displays the TV image signal output from the image processor 70 in the first display area and displays the user data in the second display area in a mode operated in the TV menu according to a user's selection. In addition, the display unit 90 displays the user data when a TV video signal is output to an external video device. The display unit 90 displays karaoke image data output from the karaoke menu. In this case, the karaoke image data and the user data are displayed together. The display unit 90 may use an LCD. In this case, the display unit 90 may include an LCD controller, a memory capable of storing image data, and an LCD display device. In this case, when the LCD is implemented by using a touch screen method, the keypad 27 and the LCD may be input units.

The audio processor 25 plays a function of reproducing the received audio signal output from the data processor 23 or transmitting the transmitted audio signal generated from the microphone MIC to the data processor 23. In addition, the audio processor 25 converts the voice data from the data received from the data processor 23 into an audible sound through the speaker SPK, and outputs the voice signal input from the microphone MIC to the data processor 23. In addition, the audio processor 25 adjusts the amplitude of the TV audio signal received from the decoder 60 to output the speaker SPK, or if the FM transmission mode is set, the FM transmitter 30 controls the amplitude of the TV audio signal under the control of the controller 10. To send.

The FM transmitter 30 modulates and outputs the analog voice signal and the notification sound converted by the audio processor 25 in a mode operated in a TV menu set as a voice signal transmission mode and a hands free mode. At this time, the FM transmitter 30 modulates a specific frequency channel set by the user (the frequency channel without the authorized broadcast among the frequency channels between 88.1 ~ 108MHz) to output the TV audio signal to the outside. Here, in order to listen to the TV audio signal output through the FM transmitter 30 through an external audio device, it is assumed that it is set to the FM radio frequency of the upper sound device identical to the specific frequency channel of the FM transmitter 30 set by the user. .

Then, the voice signal and the notification sound output through the portable telephone are transmitted to the external audio device on the receiving side and output through the speaker of the external audio device.

Referring to FIG. 1, the operation of the portable telephone displaying the TV screen is described first. In the communication mode, the radio frequency switch 40 is switched to the RF unit 21 under the control of the controller 10. Subsequently, when the user presses a call key after performing a dialing operation through the keypad 27, the controller 10 detects this, processes the dial information received through the data processor 23, and converts the RF signal into an RF signal through the RF unit 21. Output Thereafter, when the other subscriber generates the response signal, the counter subscriber detects it through the RF unit 21 and the data processor 23. Thereafter, the user forms a voice call path through the audio processor 25 to perform a communication function. In addition, in the incoming mode, the controller 10 detects the incoming mode through the data processor 23 and generates a ring signal through the audio processor 25. Thereafter, when the user responds, the controller 10 detects this, and a voice call path is formed through the audio processor 25 to perform a communication function. In the outgoing and incoming modes, voice communication is described as an example, but a data communication function for communicating packet data and image data in addition to the voice communication may be performed. In addition, when performing a standby mode or text communication, the controller 10 displays text data processed by the data processor 23 on the display 90.

Referring to the TV mode, the scheduled recording mode, and the playback mode operation according to the TV menu of the portable telephone, when the user selects the TV mode using the keypad 27, the controller 10 can drive the tuner 50 and the decoder 60. Outputs a control signal. Then, the tuner 50 is tuned to a channel corresponding to the channel control data output from the image processor 80, and receives and frequency-converts a TV video signal and a TV audio signal received through the tuned channel and outputs the same to the decoder 60. The decoder 60 decodes the received TV video signal and outputs an RGB analog video signal, a synchronization signal (horizontal and vertical synchronization signals), and a TV audio signal.

The decoder 60 separates and outputs color signals from the received composite video signal. The decoder 60 may be an NTSC decoder.

The image processor 70 receiving the RGB image signal and the synchronization signal output from the decoder 60 receives a control signal that is differently output depending on whether the controller 10 outputs to the external image device connected to the connector 80 and processes the image signal accordingly. do. The output TV video signal of the image processor 70 is output to an external video device or display unit 90 through the connector 80. Herein, the connector 80 may output the video signal wirelessly, assuming that the receiving device can receive the video signal wirelessly. In this case, when the video signal is not output to the external video device through the connector 80, the video processor 70 converts the digital data into digital data by an analog-to-digital converter (ADC) having an analog video signal. Will print

On the other hand, when outputting the video signal to the external video device through the connector 80, the image processor 70 outputs the video signal by adjusting the resolution in accordance with the display window of the external video device.

In addition, the audio signals received through the tuner 50 and the decoder 60 are decoded and output to the audio processor 25. The audio processor 25 outputs the decoded TV audio signal to the speaker SPK by adjusting the amplitude according to a user's selection, or outputs the decoded TV audio signal to the FM transmitter 30. The FM transmitter 30 modulates the audio signal received from the audio processor 25 and transmits the modulated audio signal to an external sound device. Then, the external sound device outputs a TV audio signal through the speaker of the external sound device. Here, the audio processor 25 adjusts and outputs an amplitude of an audio signal according to an audio volume according to a user's setting.

Meanwhile, in the reserved recording mode of the TV menu, when the controller 10 reaches the reserved recording time, the TV 10 receives and stores the corresponding TV video and audio signal of the channel set by the user through the same process as the TV mode described above. Thereafter, when the end time of the reserved recording time set by the user is reached, recording of the TV video and audio signal of the set channel is terminated.

On the other hand, in the playback mode, the control unit 10 reads the selected TV program selected from the list recorded through the reserved recording mode from the memory 29 and outputs it to the image processing unit 80 and the audio processing unit 25. Output audio signal.

When the karaoke mode of the karaoke menu is executed, the controller 10 outputs the audio signal of the song accompaniment through the audio processing unit 25 to the speaker SPK or the FM transmitter 30 through the karaoke mode. At this time, in accordance with the accompaniment of the song, the audio signal input by the user through the microphone MIC is encoded through the audio processor 25 to control to store in the memory 29. The controller 10 controls the karaoke image signal output in the karaoke mode to be displayed on the display unit 90 through the image processor 70 and the connector 80. In addition, when the controller 10 controls to output the karaoke video signal to the external video device connected to the connector 80, the controller 10 adjusts the karaoke video signal according to the display window of the external video device and outputs the karaoke video signal to the connector 80. Then, the karaoke video signal is output to the external video device connected to the connector 80 via the connector 80.

First, the process of executing the TV mode through the portable telephone of the present invention will be described.

2A and 2C are flowcharts illustrating a data processing method of a portable terminal in a TV mode according to a first embodiment of the present invention.

Referring to FIGS. 2A and 2C, in step 211, the controller 10 proceeds to step 213 in the standby mode and determines whether the TV menu is selected through the keypad 27.

As a result of the determination, when the TV menu is selected, the controller 10 detects a mode selected from among the modes (TV mode, reserved recording mode, and playback mode) operated in the TV menu.

If the TV mode is selected in step 215, the TV 10 is selected. In step 217, the controller 10 applies a control signal to the radio frequency switch 40 and the image processor 70 to operate in the TV mode. Detect a TV channel broadcast.

Then, the tuner 50 connected to the antenna ANT by switching the radio frequency switch 40 receives the TV video signal of the selected channel under the control of the controller 10 and frequency-converts the received TV video and audio signals. Thereafter, the decoder 60 which receives the TV video signal and the audio signal from the tuner 50 decodes the TV video signal and the audio signal.

In operation 219, the controller 10 determines whether the user has selected to output the TV video signal to an external video device.

As a result of the determination, when the TV image signal is selected to be output to the external video device, the controller 10 controls the image processor 70 to output the video signal to the external video device connected to the connector 80 through the connector 80 in step 221. At this time, the video signal output to the external video device is output in accordance with the display window of the external video device. Here, the TV video signal through the external video device is displayed on the first area of the display window of the external video device according to the user's setting, and user data such as battery level, current time, reception sensitivity of the portable terminal is displayed on the second display window. Mark the area together. Alternatively, the TV video signal is displayed on the entire screen of the first and second regions of the display window of the external video device, and only the user data of the portable terminal is displayed on the display unit 90 of the portable terminal. Here, the first region should be larger than the second region.

On the other hand, if it is determined that the TV image signal is not output to the external video device, in step 223, the controller 10 controls the image processor 70 to output the video signal in accordance with the display area of the display unit 90 via the connector 80.

In operation 225, the controller 10 determines whether to request FM transmission. Here, the FM transmission request can be requested using the FM transmission key independently provided as a shortcut key on the keypad 27, or a menu key and a confirmation key having the same function as the FM transmission key.

As a result of the determination, if the FM transmission is requested, in step 227, the controller 10 modulates the TV audio signal input to the FM transmitter 30 into an audio signal of a frequency band set by the user and outputs the frequency. Then, the TV audio signal is output through an external audio device in which the FM radio of the frequency band set by the user is operated.

However, if it is determined that the FM transmission is not requested, in step 229, the controller 10 outputs the output TV audio signal of the audio processor 25 to the speaker SPK.

During step 227 and step 229, the controller 10 determines whether a recording key is input in step 231. When the recording key is input, the controller 10 proceeds to step 233 to store the TV image and audio signal in the memory 29.

However, as a result of the determination, if the recording key is not input, in step 235, the controller 10 determines whether the end key is input, and returns to step 219 until the end key is input and repeats the above process.

On the other hand, if the detection result of the step 215, the reservation recording mode, the control unit 10 proceeds to step 237 and provides the environment for setting the reservation recording time (reservation start time and end time), TV channels to be reserved.

In operation 239, the controller 10 detects a current time. In step 241, the controller 10 determines whether the detected current time is a reservation recording start time set when the environment is set, and proceeds to step 243 when the reservation recording start time is reached.

In step 243, the controller 10 switches the radio frequency switch 40 so that the antenna ANT and the tuner 50 are connected, and operates the tuner 50 to encode and store the TV image and audio signal of the channel selected by the user in the memory 29.

In operation 245, the controller 10 detects a current time. In step 247, the controller 10 determines whether the detected current recording time is the preset reserved recording end time, and when the scheduled recording end time is reached, the controller 10 proceeds to step 249 to display the TV image and audio signal stored in the memory 29. Stop and exit the scheduled recording mode.

On the other hand, if the detection result of the step 215, the playback mode, the control unit 10 proceeds to step 251 to detect the TV data selected by the user among the TV data (video signal and audio signal) stored in the memory 29.

In operation 253, the controller 10 reads the selected TV data from the memory 29 to process the image signal through the image processor 70 and the audio signal through the audio processor 25.

In operation 255, the controller 10 determines whether the user has selected to output the TV video signal to an external video device.

As a result of the determination, if it is selected to output the TV video signal to the external video device, in step 257, the controller 10 controls the image processor 70 to output the TV video signal to the external video device connected to the connector 80 via the connector 80. At this time, the TV video signal output to the external video device is output in accordance with the display window of the external video device.

On the other hand, if it is determined that the TV image signal is not output to the external video device, in step 259, the controller 10 controls the image processor 70 to output the video signal in accordance with the display area of the display unit 90 via the connector 80.

In step 261, the controller 10 determines whether to request FM transmission. Here, the FM transmission request can be requested using the FM transmission key independently provided as a shortcut key on the keypad 27, or a menu key and a confirmation key having the same function as the FM transmission key.

As a result of the determination, if the FM transmission is requested, in step 263, the controller 10 modulates the TV audio signal input to the FM transmitter 30 into an audio signal of a frequency band set by the user and outputs the frequency. Then, the TV audio signal is output through an external audio device in which the FM radio of the frequency band set by the user is operated.

However, as a result of the determination, if the FM transmission is not requested, in step 265, the controller 10 outputs the output TV audio signal of the audio processor 25 to the speaker SPK.

During step 263 and step 265, in step 267, the controller 10 determines whether an end key is input. When the end key is input, the control unit 10 proceeds to step 269 to stop playing TV data and ends the play mode.

However, if the end key is not input, the controller 10 continues to play the TV data. After the TV data is completely played, the control unit 10 stops outputting the TV video and audio signals.

3A and 3B are flowcharts illustrating a data processing method of a portable terminal according to a second embodiment of the present invention.

3A and 3B, in step 311, the controller 10 determines whether a karaoke menu is selected in step 313 in the standby mode.

As a result of the determination, when the karaoke menu is selected, in step 315, the controller 10 determines whether the karaoke mode is selected among the modes that can be operated in the karaoke menu, and when the karaoke mode is selected, proceeds to step 317.

In step 317, the controller 10 reads the karaoke data stored in the memory 29 and separates and decodes the video signal and the audio signal of the karaoke data.

In operation 319, the controller 10 determines whether the user has selected to output the karaoke video signal to the external video device.

As a result of the determination, when selecting to output the karaoke video signal to the external video device, in step 321, the controller 10 controls the image processor 70 to output the karaoke video signal to the external video device connected to the connector 80 via the connector 80. In this case, the karaoke video signal output to the external video device outputs a karaoke video signal to a first area of the display window of the external video device, and subtitles the lyrics of the song to the second area of the display window. In this case, the first area must be larger than the second area, and the first and second areas of the display unit 90 below are the same.

On the other hand, if it is determined that the karaoke video signal is not output to the external video device, the controller 10 controls the image processor 70 through the connector 80 to match the display area of the display unit 90 in the first display area in step 323. A signal is output and the lyrics of the song are subtitled in the second display area of the display unit 90.

In operation 325, the controller 10 determines whether to request FM transmission. Here, the FM transmission request can be requested using the FM transmission key independently provided as a shortcut key on the keypad 27, or a menu key and a confirmation key having the same function as the FM transmission key.

As a result of the determination, if the FM transmission is requested, in step 327, the controller 10 modulates the karaoke audio signal input to the FM transmitter 30 into an audio signal of a frequency band set by the user and outputs the frequency. Then, the karaoke audio signal is output through the external acoustic device in which the FM radio of the frequency band set by the user is operated. At this time, the amplitude of the karaoke audio signal is adjusted according to the volume set by the user is output.

However, if it is determined that the FM transmission is not requested, in step 329, the controller 10 outputs the output TV audio signal of the audio processor 25 to the speaker SPK.

During step 327 and step 329, in step 331, the control unit 10 determines whether a recording key is input. When the recording key is input, the controller 10 proceeds to step 333. The voice signal input through the karaoke data previously stored in the memory 29 and the microphone MIC (Including audio signals) are stored together. Therefore, the user can store his / her own voice, which is called according to the karaoke image and the audio signal, as a file in the portable terminal.

However, as a result of the determination, if the recording key is not input, the controller 10 continuously reproduces the karaoke data. If the data is at the end point, the control unit 10 stops outputting the karaoke video and audio signal.

On the other hand, if it is determined in step 315 that the karaoke mode is not in step 335, the controller 10 determines whether the karaoke playback mode.

As a result of the determination, in step 335, the controller 10 detects karaoke data selected by the user from the karaoke data list stored in the memory 29.

In operation 337, the controller 10 reads the selected karaoke data from the memory 29 to process the image signal through the image processor 70 and the audio signal through the audio processor 25.

In operation 339, the controller 10 determines whether the user has selected to output the karaoke video signal to the external video device.

As a result of the determination, when selecting to output the karaoke video signal to the external video device, in step 341, the controller 10 controls the image processor 70 to output the karaoke video signal to the external video device connected to the connector 80 via the connector 80. . In this case, the karaoke video signal output to the external video device is output in accordance with the display window of the external video device.

On the contrary, if it is determined that the karaoke video signal is not output to the external video device, the controller 10 controls the image processor 70 to output the karaoke video signal in accordance with the display area of the display unit 90 through the connector 80 in step 343. .

In operation 345, the controller 10 determines whether to request FM transmission. Here, the FM transmission request can be requested using the FM transmission key independently provided as a shortcut key on the keypad 27, or a menu key and a confirmation key having the same function as the FM transmission key.

As a result of the determination, when requesting the FM transmission, in step 347, the controller 10 converts the karaoke audio signal input to the FM transmitter 30 and the voice signal input and stored by the user through the microphone MIC into audio and voice signals of a frequency band set by the user. Frequency modulate and output. Then, the karaoke audio signal and the recorded voice signal are output through an external sound device in which the FM radio of the frequency band set by the user is operated.

However, as a result of the determination, if the FM transmission is not requested, in step 349, the controller 10 outputs the output karaoke audio signal and the audio signal of the audio processor 25 to the speaker SPK.

During step 347 and step 349, in step 351, the controller 10 determines whether an end key is input, and when the end key is input, stops the karaoke data being played and ends the karaoke play mode.

However, if the end key is not input, in step 353, the control unit 10 continues to play the karaoke data. After all the karaoke data is completely played back, the output of the karaoke image and audio signal is stopped.

On the other hand, as another embodiment of the configuration of the portable terminal according to the embodiment of the present invention described above, the configuration of the portable terminal and the data processing method of the portable terminal will be described in detail with reference to the accompanying drawings.

4 is a diagram illustrating a configuration of a portable terminal according to another embodiment of the present invention. The portable terminal may be a mobile telephone.

Referring to FIG. 4, first, the apparatus of FIG. 4 is almost identical in configuration. However, an operation and a process of processing data due to simultaneously processing an image signal and an audio signal are different. Therefore, the description of the same device configuration will be omitted. Thus, only the process of simultaneously processing the video signal and the audio signal in FIG. 4 will be described in detail.

The video / audio transmitter 400 outputs the TV video signal and the audio signal decoded by the decoder 60 at the front end to an external A / V device in accordance with a synchronization signal (a horizontal synchronization signal and a vertical synchronization signal). Here, the video / audio transmitter 400 is provided inside the portable telephone, but may be configured alone outside the portable telephone.

The controller 10 performs a function of controlling the overall operation of the portable telephone. In addition, the controller 20 may include the data processor 23. In addition, the control unit 10 controls the overall operation to output the video and audio signals, which are executed in the playback mode, TV mode, karaoke playback mode and other portable phones to the external A / V device through the video / audio transmitter 400. . In addition, it controls the overall operation of the reservation recording mode to enable the reservation recording by turning on the tuner 50 in accordance with the set time and the video signal of the channel.

In the TV mode, scheduled recording mode, and playback mode operation according to the TV menu of such a mobile phone, only the operation and process of simultaneously processing video and audio signals to an external A / V device are different from those described in FIG. 1. Only this will be described. Therefore, the operation of operating according to the TV menu is omitted below.

First, when the user selects the TV mode using the keypad 27, the controller 10 outputs a control signal capable of driving the tuner 50 and the decoder 60. Then, the tuner 50 is tuned to a channel corresponding to the channel control data output from the image processor 80, and receives and frequency-converts a TV video signal and a TV audio signal received through the tuned channel and outputs the same to the decoder 60. The decoder 60 decodes the received TV video signal and outputs an RGB video signal, a synchronization signal (horizontal and vertical synchronization signals), and a TV audio signal.

The decoder 60 separates and outputs color signals from the received composite video signal. The decoder 60 may be an NTSC decoder.

The video / audio transmitter 400 receiving the RGB video signal, the sync signal, and the TV audio signal output from the decoder 60 inputs a control signal that is differently output depending on whether the controller 10 outputs to the external video device connected to the connector 80. The video signal and audio signal are processed accordingly. The output TV video signal and the audio signal of the video / audio transmitter 70 are output to the external A / V device or the display unit 90 and the speaker SPK via the connector 80. Here, the connector 80 may be a jack connection that is typically provided in a portable telephone and then used as an ear-mic. At this time, in order to output video and audio signals received through the mobile phone or all video and audio signals output through the mobile phone through the external A / V device at the same time, it is assumed that the channels must be identical to each other. Shall be. For example, if the channel of the external A / V device is set to channel 4, or if the channel of the portable terminal is set to channel 4, the channel of the portable terminal or the external A / V device should be set to channel 4 as well.

That is, the mobile phone and the external A / V device configured as described above are connected to the connector 80 of the mobile phone 52 and the external A / V device 53 through the cable 51 to execute the video and audio signals being executed in the mobile phone 52. Transmit to the external A / V device 53.

Next, the portable telephone 52 of FIG. 4 describes a process of transmitting the video and audio signals as one signal to the external A / V device 53.

6A and 6B are flowcharts illustrating a data processing method of a portable terminal in a TV mode according to a third embodiment of the present invention.

6A and 6B, steps 611 to 619 are the same as steps 211 to 219 described above. That is, it detects the mode of the TV menu and determines whether to receive the TV channel broadcast in the TV mode and output it to the external A / V device 53. If it is determined that the output to the external A / V device 53 is performed, in step 621, the controller 10 outputs the TV image and audio signal as one signal to the external A / V device 53.

However, if it is determined that the output to the external A / V device 53 is not determined, in step 623, the controller 10 outputs the TV video signal to the display unit 90, and outputs the TV audio signal to the speaker SPK. Thus, an image of the TV is displayed on the display unit 90, and audio corresponding to the image is output through the speaker SPK.

After step 621 or step 623, in step 625, the control unit 10 determines whether the recording key is input, and when the recording key is input, the controller 10 proceeds to step 627 to store the TV image and audio signal in the memory 29.

In step 629, the controller 10 determines whether an end key is input and ends the TV mode when the end key is input. However, if the end key is not input, the process returns to step 619 and repeats the above process until the end key is input.

On the other hand, when the mode sensed in step 615 is a reserved recording mode, the same process as in the above-described Figure 2b, so a description thereof will be omitted, and the figure will be replaced with FIG. 2b.

On the other hand, if the mode detected in step 615 is a playback mode, the operation of FIG. 6B is performed.

First, steps 631 to 635 are performed. Here, steps 631 to 635 are the same as the steps 251 to 255 described above. That is, the controller 10 detects the TV data selected by the user, reads the selected TV data, and determines whether to output the TV data to the external A / V device 53.

If it is determined that the output to the external A / V device 53 is performed, in step 637, the controller 10 outputs the TV image and audio signal as one signal to the external A / V device 53.

However, if it is determined that the output to the external A / V device 53 is not determined, in step 639, the controller 10 outputs the TV video signal to the display unit 90 and outputs the TV audio signal to the speaker SPK.

After the step 637 or 639, the controller 10 determines whether the end key is input and ends the play mode when the end key is input. However, if the end key is not input, in step 643, the controller 10 ends the play mode after playing all the TV data.

7A and 7B are flowcharts illustrating a data processing method of a portable terminal according to a fourth embodiment of the present invention.

7A and 7B, steps 711 to 719 are the same as steps 311 to 319 described above. If the karaoke menu is selected, it is determined whether the karaoke menu is selected, and if the karaoke menu is selected, the mode is detected.

If it is determined that the output to the external A / V device 53 is performed, in step 721, the controller 10 outputs the TV image and audio signal as one signal to the external A / V device 53.

However, if it is determined that the output to the external A / V device 53 is not determined, in step 723, the controller 10 outputs the TV video signal to the display unit 90 and outputs the TV audio signal to the speaker SPK.

After step 721 or step 723, in step 725, the controller 10 determines whether the record key is input, and when the record key is input, the controller 10 proceeds to step 727 to store the karaoke data and the voice signal input through the microphone MIC in the memory 29.

On the other hand, if the mode sensed in step 315 is a karaoke playback mode is performed to FIG. 7B.

First, steps 729 to 733 are performed. Here, the steps 729 to 733 are the same as the above-described steps 335 to 339. That is, the controller 10 detects the karaoke data selected by the user, reads the selected karaoke data, and determines whether to output the karaoke data to the external A / V device 53.

If it is determined that the output is to the external A / V device 53, in step 735, the controller 10 outputs the karaoke video and audio signal as one signal to the external A / V device 53.

However, if it is determined that the output to the external A / V device 53 is not determined, in step 737, the controller 10 outputs the karaoke video signal to the display unit 90 and outputs the karaoke audio signal to the speaker SPK.

After the step 735 or step 737, the controller 10 determines whether the end key is input, and when the end key is input, ends the karaoke play mode. However, if the end key is not input, in step 741, the controller 10 ends the play mode after all the karaoke data is played.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. In particular, as an example of the present invention, not only the TV broadcasting signal described through the TV menu, but also the satellite broadcasting together with the airwave broadcasting, that is, the terrestrial broadcasting. In addition to the broadcast, it is possible for all video and audio signals executed through the portable terminal. Therefore, the scope of the present invention should not be limited to the TV broadcast signal limited to the described embodiments, but should be defined by the scope of the claims as described below and the equivalents thereof.

As described in detail above, the present invention outputs a TV image and an audio signal received through a portable terminal through an external video device and an external audio device, thereby providing limited TV and karaoke through a display unit and a speaker of the portable terminal. Apart from the video signal and the audio signal, there is an effect of providing a larger scale and realistic video and audio to the user.

In addition, when using the karaoke function through the portable terminal by allowing the user to record the voice signal of the user singing in accompaniment of the song, there is an effect of allowing the user to listen to the song he sang in accordance with the song accompaniment.

In addition, it is possible to reserve the broadcast of the TV channel that the user wants to watch through the portable terminal, so that the user can watch the broadcast without being missed.

1 is a view showing the configuration of a portable terminal according to an embodiment of the present invention.

2A and 2C are flowcharts illustrating a data processing method of a portable terminal in a TV mode according to a first embodiment of the present invention.

3A and 3B are flowcharts illustrating a data processing method of a portable terminal according to a second embodiment of the present invention.

4 is a diagram illustrating a configuration of a portable terminal according to another embodiment of the present invention.

5 is an exemplary view illustrating a connection between a portable terminal and an external A / V device according to an embodiment of the present invention.

6A and 6B are flowcharts illustrating a data processing method of a portable terminal in a TV mode according to a third embodiment of the present invention.

7A and 7B are flowcharts illustrating a data processing method of a portable terminal according to a fourth embodiment of the present invention.

*** Explanation of symbols for main parts of drawing ***

10: control unit 21: RF unit

23: data processor 25: audio processor

27: keypad 29: memory

40: radio frequency switch 50: tuner

51: cable 52: mobile phone

53: external A / V device 60: decoder

70: image processing unit 80: connector

90: display unit 400: video / audio transmission unit

ANT: antenna MIC: microphone

SPK: Speaker

Claims (28)

In the data processing method of a portable terminal capable of receiving a broadcast, Receiving a broadcast signal of a selected specific channel; And selectively outputting broadcast data through the display window and a speaker of an external image and audio device or a portable terminal. The method as claimed in claim 1, wherein the broadcast signal is a video and audio signal of terrestrial broadcast and satellite broadcast. In the data processing method of a portable terminal having a TV function, Determining whether a TV menu is selected and detecting a mode selection operated in the TV menu when the TV menu is selected; As a result of the detection, when a TV mode capable of watching TV is selected, a TV channel selected by a user is received and selectively outputs TV data through an external image and audio device or a display window and a speaker of a portable terminal. Said method. The method as claimed in claim 3, further comprising: outputting and storing the received TV channel broadcast data upon determining whether to receive the corresponding TV channel broadcast recording and outputting the received TV channel broadcast data. The method as claimed in claim 3, wherein the TV data is transmitted to an external video device by wireless or wired. The method of claim 3, wherein the TV audio signal output to the external sound device is frequency modulated (FM) and output to the external sound device. The method as claimed in claim 3, further comprising: storing a broadcast of a corresponding TV channel at a scheduled time when a reservation recording mode is selected as a mode operated from the TV menu. 8. The recording method of claim 7, wherein the reserved recording mode comprises: detecting a current time; Determining whether the detected current time is a set scheduled recording start time and starting broadcasting storage of the set TV channel if the scheduled recording start time is established; Detecting the current time during the broadcast storage of the TV channel, and ending the broadcast storage of the channel if the detected current time is a preset recording end time. 4. The method of claim 3, further comprising: selectively outputting a video and audio signal of a recorded and stored TV channel broadcast to an external video and audio device when a play mode is selected as a mode operated from the TV menu. Said method. The method of claim 9, wherein the play mode comprises: detecting TV data selected from among recorded and stored TV data; And reading out the detected TV data. The method as claimed in claim 3, wherein the data is output in accordance with the display window of the external video device when the video signal of the TV channel broadcast is output to the external video device. The method of claim 3, wherein the video signal of the TV channel broadcast is output to the first display area of the display window, and user data indicating the state of the portable terminal and the received TV broadcast channel information is displayed on the second display area. Said method. The method of claim 3, wherein the user data indicating the status information of the portable terminal is displayed on a display window of the portable terminal when the video signal of the TV channel broadcast is output to the external video apparatus. The method as claimed in claim 12 or 13, wherein the user data is a current time, battery level indication, reception sensitivity, and broadcasting information of a TV channel being watched. The method as claimed in claim 3, wherein the video signal is processed and output according to the display area of the display window of the external video device when the video signal is output to the external video device. The method as claimed in claim 3, wherein the TV audio signal is amplitude-adjusted according to a volume set by a user. In the data processing method of the portable terminal when executing the karaoke function, Selecting a karaoke menu to detect a mode selected to operate in the karaoke menu; If the selected mode is a karaoke mode that can sing along with the song accompaniment, the method comprising the step of selectively outputting the karaoke video and audio signals through the display and the speaker of the external image and audio device or portable terminal . 18. The method of claim 17, wherein the outputting of the video and audio signals comprises determining whether a recording key is input and, when the recording key is input, together with a karaoke audio signal and an audio signal of the user input to the portable terminal, to the portable terminal. The method further comprises the step of storing. The method of claim 17, wherein the karaoke video signal is transmitted to an external video device by wireless or wired. 18. The method as claimed in claim 17, wherein the TV audio signal is frequency modulated (FM) and output to an external audio device. 18. The method of claim 17, wherein when the karaoke playback mode is selected as a mode operated in the karaoke menu, the TV video and audio signals recorded and stored are selectively output to an external video and audio device or a display window and a speaker of a portable terminal. The method characterized in that it further comprises a process. 18. The method as claimed in claim 17, wherein the karaoke video signal is output to the first display area of the display window, and the song lyrics are displayed on the second display area. 18. The method as claimed in claim 17, wherein the user data indicating the status information of the portable terminal is displayed on a display window of the portable terminal when the karaoke video signal is output to the external video apparatus. The method as claimed in claim 22 or 23, wherein the user data includes a current time, battery level indication, reception sensitivity, broadcast information of a TV channel being watched, and the like. In the data processing method of a portable terminal for displaying a video and audio signal through an external device, Detecting a mode selected to be executed in the portable terminal; And transmitting the image and audio signals executed by the sensed mode as one signal to the external device or outputting them through the display window and the speaker of the portable terminal. The method as claimed in claim 25, wherein the external device is an A / V device capable of processing video and audio signals. The method of claim 25, wherein the portable terminal is set to the same channel as an external device and transmits video and audio signals. The karaoke playback mode of claim 25, wherein the mode selected to be executed in the portable terminal is a TV mode, a TV playback mode for reproducing reserved TV video and audio, a karaoke mode, and a karaoke playback mode for reproducing video and audio recorded through a karaoke mode. The method characterized in that the.