KR20120019030A - Display device and method of adjusting volume level - Google Patents

Abstract

PURPOSE: A display apparatus and volume level control method thereof are provided to improve the convenience of a user by automatically controlling the volume level of a display apparatus. CONSTITUTION: When power on event is generated, a control unit confirms the occurrence condition of the power on event(S100, S110). When the power on event is generated, the control unit block the output of a voice signal(S120, S130). The control unit establishes volume levels in order to cancel the blocking of the voice signal. The control unit outputs the voice signal in the established volume level(S140).

Description

Display device and method of adjusting volume level

The present invention relates to a display device, and more particularly, to a display device and a method of adjusting the volume level thereof, which enable automatic adjustment of a predetermined volume level to a relatively high level during a power-on operation.

1 is a view schematically illustrating a restoration process of a general audio signal in a display device.

As shown, the tuner 1 tunes a channel requested by a user among high frequency broadcast signals of each channel received through the antenna ANT to output an intermediate frequency signal IF, and the tuner 1 The intermediate frequency signal IF output from is separated into a video signal and an audio signal by a detector (not shown), and the audio signal is input to the audio processor 2.

The voice processor 2 demodulates the input voice signal and outputs the same through the speaker 3 to restore the voice signal.

At this time, when the user adjusts the volume of the voice restored through the key input unit 5 such as a key formed on the remote controller or the display device, the controller 4 controls the voice processor 2 to adjust the volume of the output audio signal. To control.

However, in the general display apparatus for outputting and controlling a voice signal by the above-described action, a late night time after the user turns off the display apparatus while the user sets the volume at a loud daytime when the surrounding environment is relatively loud. When the display device is turned on when the volume level needs to be set low, such as when an infant is sleeping, a relatively high volume audio signal is output by the volume set during the day, and the volume has to be adjusted quickly. there is a problem.

Accordingly, a more efficient volume control method is being sought.

Embodiments according to the present invention to provide a display device and a volume adjustment method thereof that can solve the problems caused by the relatively high volume level.

 Technical problems to be achieved in the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned above are clearly understood by those skilled in the art to which the embodiments proposed from the following description belong. Could be.

According to an embodiment of the present disclosure, a method of adjusting a volume level of a display apparatus may include generating a power on event; Blocking output of a voice signal when the power on event occurs; Setting a volume level to be applied to release the output block of the voice signal; And outputting the voice signal at the set volume level.

In addition, the method for adjusting the volume level of the display device according to an embodiment of the present invention includes the steps of generating a power on event; Determining a condition of occurrence of the power on event; Outputting a voice signal at a first volume level if the determined occurrence condition is a first condition; And outputting a voice signal at a second volume level if the determined occurrence condition is a second condition.

In addition, the display device according to an embodiment of the present invention includes a receiving unit for receiving a voice signal input from the outside; An output unit for outputting the received voice signal; A user interface unit for receiving a request command from a user; And a controller configured to control the voice signal to be output at a first volume level as the power on event occurs through the user interface unit, wherein the first volume level is different from a volume level backed up at power off. It features.

According to the embodiment of the present invention, a problem caused when the display device is turned on at a relatively high volume level can be solved, and thus there is an effect of watching TV without disturbing the surroundings.

1 is a view showing the configuration of a display device according to the prior art.
2 is a diagram illustrating a configuration of a display apparatus according to an exemplary embodiment of the present invention.
3 to 10 is a view for explaining a step of adjusting the volume level of the display device according to an embodiment of the present invention.

The proposed embodiment will be described.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. However, the spirit of the present invention is not limited to the embodiments presented, and other inventions which are further deteriorated by addition, change, deletion, etc. of other components, or other embodiments included within the scope of the present invention can be easily made. I can suggest.

The term used in the present invention was selected as a general term widely used as possible, but in some cases, the term is arbitrarily selected by the applicant, in which case the meaning is described in detail in the description of the invention, the name of a simple term It should be clear that the present invention is to be understood as a meaning of terms.

In other words, in the following description, the word 'comprising' does not exclude the presence of other elements or steps than those listed.

2 is a diagram illustrating a configuration of a display apparatus according to an exemplary embodiment of the present invention.

Referring to FIG. 2, the display apparatus includes an input source receiver 100, an audio processor 101, a video processor 102, an audio buffer 103, a video buffer 104, an audio output unit 105, and a video output unit. 106, a key input unit 107, a storage unit 108, a menu screen generating unit 109, and a control unit 110.

The input source receiver 100 receives an input source provided through various paths from the outside.

That is, the input source receiver 100 may include a digital tuner for receiving a digital broadcast signal, an analog tuner for receiving an analog broadcast signal, a digital external signal input terminal and an analog external signal input terminal to which an external device is connected, and a PVR (Personal Video). It may be a digital recorder such as a recorder and a digital video recorder (DVR).

Here, the digital external signal input terminal may be a terminal to which a digital external player such as a digital cable broadcast signal input terminal or a DVD may be connected, and the analog external signal input terminal may be a VCR signal input terminal or an input terminal for analog cable broadcast signal. .

The digital tuner tunes a transport stream of a desired channel by user selection among transport streams (TSs), which are digital broadcast signals input through a digital broadcast antenna. The analog tuner tunes a video program of a desired channel by user selection among video programs, which are analog broadcast signals input through an analog broadcast antenna.

Accordingly, the data received through the input source receiver 100 may include an analog television broadcasting program, a digital broadcasting program, a playback program input from an external player, a recording program, and a cable broadcasting program in real time. Here, the broadcast data includes a video signal, an audio signal, and data in the case of a digital signal, and includes a video signal and an audio signal in the case of an analog signal.

In addition, the input source receiving unit 100 uses a JPEG compression module after compressing an image displayed through an external device such as a TV, a personal computer, a personal digital assistant (PDA), or a mobile phone to use a Bluetooth or wireless LAN. It may also serve to receive digital image data transmitted through. Therefore, the input source receiving unit 100 may be configured to include a Bluetooth receiving module or a wireless LAN receiving module. Meanwhile, in the present embodiment, the Bluetooth or wireless LAN transmission method is taken as an example, but is not particularly limited as long as it is a communication standard for wirelessly connecting to a display device and a computer, a mobile terminal, or a home appliance that enables real-time communication in two directions. .

In addition, the input source receiving unit 100 may include a USB port or a memory card slot to receive recorded image data from an image recording medium such as a digital camera. Here, the memory card may be a Compact Flash Card (CF) card, an SM Card (Smart Media Card), a Memory Stick, a MMC Card (Multimedia Card), a Micro Drive, an XD Picture Card, or May include an SD card (Secure Digital Card)

The audio signal of the input source received through the input source receiver 100 is signal-processed through the audio processor 101 and then output through the audio output unit 105.

In this case, the audio processor 101 may be implemented by an AC-3 processor, and the audio output unit 105 may be implemented by at least one speaker.

In addition, the video signal among the input sources received through the input source receiver 100 is signal-processed through the video processor 102 and then displayed through the video output unit 106.

In this case, the video processor 102 may include an MPEG-2 decoder and a scaler for converting the video data into a vertical frequency, a resolution, an aspect ratio, etc. according to an output standard of the video output apparatus.

In addition, the video output unit 106 may be applied to various types of display modules such as digital light processing (DLP), liquid crystal display (LCD), plasma display panel (PDP), and the like.

The audio buffer 103 and the video buffer 104 temporarily store the audio signal and the video signal processed by the audio processor 101 and the video processor 102. Here, the audio buffer 103 and the video buffer 104 are referred to as a synchronization unit for synchronizing the output timing of the audio signal and the video signal, or a delay unit for delaying the output timing of the audio signal and the video signal for a predetermined time. You could do it.

That is, the audio buffer 103 temporarily stores and outputs the audio signal output through the audio processor 101 for a time corresponding to a predetermined audio signal output delay value based on the output time point of the video signal.

In addition, the video buffer 104 temporarily stores and outputs a video signal output through the video processor 102 for a time corresponding to a video signal output delay value preset based on an output time point of the audio signal.

The key input unit 107 is a means for receiving a request command from the user, which may be configured as a local key input unit provided on one side of the front cover of the display device or an infrared receiver unit for receiving an infrared signal transmitted through a remote controller.

In particular, the key input unit 107 receives a command according to a power on event or a power off event generated from a user, and transmits the information to the controller 110 accordingly.

The storage unit 108 stores a driving program necessary for driving the display apparatus. In addition, when the power-off event occurs, the storage unit 108 stores volume level information set at the time when the power-off event occurs.

In this case, the storage unit 108 may be implemented by an electrically erasable programmable read-only memory (EEPROM) and a hard disk drive (HDD) which is a mass storage medium.

The menu screen generator 109 generates OSD (On Screen Display) data and transmits the generated OSD data to the video output unit 106. Here, the OSD data may be a menu screen for various screen adjustments or sound quality adjustments, or may be a menu screen for quietly setting power on or off.

The controller 110 controls the overall operation of the display apparatus.

In particular, when a power-on event is generated through the key input unit 107, the controller 110 determines a condition for generating the power-on event, and in response to the condition for generating the identified power-on event, the input source receiving unit ( It is determined whether to output the audio signal received through 100).

That is, when a power-on event occurs under the first condition, the controller 110 outputs only the video signal received through the input source receiver 100 and blocks the output of the audio signal.

In addition, when a power-on event occurs under the second condition, the controller 110 outputs a video signal received through the input source receiving unit 100 and outputs an audio signal at a volume level backed up at the time of power-off. Be sure to

The condition may include at least one of a key button input for generating a power on event, a setting state of a quietly on menu, a time when a power on event occurs, and a volume level backed up at power off.

That is, when a specific key button for generating a power on event is input, the controller 110 outputs or blocks the audio signal according to the input key button.

In addition, the controller 110 outputs or blocks the audio signal according to the setting state of the quietly on menu. Similarly, the controller 110 outputs or blocks the audio signal according to the time at which the power on event occurs or the volume level information backed up at the time of power off.

Here, the method of blocking the output of the audio signal outputs the audio signal in a state in which a volume level or mute of 0 level is set, or disables a block (audio processing unit, audio output unit) related to the output of the audio signal ( disable)

In addition, the controller 110 maintains the output blocking of the audio signal until the volume level is set through the key input unit 107, and outputs the audio signal by applying the set volume level when the volume level is set. Unblock

On the other hand, in the above it has been described that the output of the voice signal is cut off when the power-on event occurs under the first condition, the voice signal may be output by applying a predetermined minimum volume level without blocking the output of the voice signal. will be.

That is, when the power on event occurs according to the first condition, the user may preset a volume level to be output as the power on event occurs.

In this case, the preset volume level is preferably different from the volume level backed up at the time of power off. In particular, it is preferable that the set volume level is lower than the volume level backed up at the time of power-off or the volume level set in a general situation.

That is, when a power on event occurs under the first condition, the controller 110 applies the preset minimum volume level to output the voice signal.

For example, when the set minimum volume level is 2 levels, the volume level backed up at power off is 15 levels, and a power on event occurs under a first condition, the controller 110 applies the 2 levels to the voice. Allow the signal to be output. In addition, when the power-on event occurs in the second condition under the above conditions, the controller 110 applies the 15 levels to output the voice signal.

Hereinafter, a method of blocking the output of the audio signal will be described in more detail with reference to the accompanying drawings.

2 is a flowchart illustrating a step-by-step method of adjusting a volume level of a display device according to an exemplary embodiment of the present invention.

Referring to FIG. 2, the controller 110 determines whether a power on event has occurred (step 100).

That is, when a key button corresponding to the occurrence of a power-on event disposed in the remote controller or the local key input unit is input by the user, the key input unit 107 detects the input key button, and controls the information corresponding thereto. To 110).

If the power on event occurs, the controller 110 checks a generation condition of the power on event (step 110).

That is, the controller 110 determines which key button is input to determine whether a power-on event has occurred, whether a quietly on menu is set to on or off at the time when the power-on event occurs, or the time at which the power-on event occurs. It is determined whether the preset time or the power-on event occurs if the previously backed-up volume level exceeds the preset level.

The controller 110 determines whether the checked condition for generating the power on event is a first condition or a second condition.

4 is a diagram illustrating an example of a remote controller 200 according to an exemplary embodiment of the present invention.

As shown in FIG. 4, the remote controller 200 includes a plurality of key buttons, and each of the key buttons included is assigned a key coat corresponding to at least one function.

Among the key buttons included in the remote controller 200, a key button for generating a power on event includes a power button 210, a quiet button 220, and a silent power button 230. The power button 210 is a button for generating a power on event or a power off event, and quietly the button 220 is a button for executing a mute function or quietly generating a power on event. In addition, the silent power button 230 is also a button for quietly generating a power-on event like the button 220. At this time, the quiet button 220 and the silent power button 230 is formed as a separate button, but the buttons may be implemented as a single button.

At this time, the quiet power on is similar to the normal power on, but the quiet power on outputs the same as the normal power on for the video signal, but does not output the audio signal so that others do not recognize that the power on event has occurred. This is to prevent it.

That is, the general power on outputs an audio signal at a volume level previously backed up to perform a power on operation. However, the power on quietly performs a power on operation in a state in which the output of the audio signal is blocked. In other words, when power on is performed quietly, only the video signal is output, and no audio signal is provided to the user.

Meanwhile, if the power button 210 is input, the controller 110 determines that a power on event has occurred as the second condition, and if the button 220 or the silent power button 230 is quietly input, the first condition It is determined that a power on event has occurred.

5 is a diagram illustrating a setting screen of a quietly turned on menu formed by an embodiment of the present invention.

Referring to FIG. 5, an embodiment of the present invention provides a quiet on function. That is, the silent power menu item 510 is present on the menu screen 500, and the user may silently turn on or turn off a function of the sub-selection item 520 of the silent power menu item 510.

At this time, the controller 110 determines whether the quiet on function is set to on or off at the time when the power on event occurs, and if the quiet on function is set to on, the power on event as a first condition Is determined to occur, or it is determined that a power-on event has occurred under the second condition.

In addition, the user can silently execute the ON function by setting the time. In general, the Quiet-On feature can be used efficiently during all the members' sleep time, ie late evening or early morning. Accordingly, the quiet on function may be set to on at 0:00 to 07:00 and 22:00 to 24:00, and the quiet on function may be set to off at other times.

Accordingly, the controller 110 checks the time information at the time when the power on event occurs, and accordingly determines whether the checked time exists within the time for executing the quietly on function.

The controller 110 determines that the power-on event has occurred under the first condition if the checked time is a time for executing the quiet on function, or determines that the power-on event has occurred under the second condition.

In addition, when the power on event occurs, the controller 110 checks a volume level previously backed up. When the checked volume level exceeds the predetermined level, the controller 110 determines that the power on event has occurred under the first condition, or determines that the power on event has occurred under the second condition. In this case, the set volume level is preferably a volume level that can be felt relatively at night time.

 As described above, if the checked power-on event generation condition is the first condition, the controller 110 quietly executes a turning on function to block the output of the input audio signal (step 130).

In this case, if the checked power-on event occurrence condition is the first condition, the controller 110 may output the audio signal by applying a preset minimum volume level to execute a quiet on function.

If the checked power-on event generation condition is the second condition, the control unit 110 outputs the input audio signal by applying the previously-backed volume level (step 140).

At this time, when the power-on event occurs under the first condition, the controller 110 sets a volume level to zero level, executes a mute function, or disables an audio signal processing block to block the output of the audio signal. do.

6 is a flowchart illustrating a step-by-step method of releasing audio signal blocking of a display apparatus according to an exemplary embodiment of the present invention.

Referring to FIG. 6, when a power on event occurs under the first condition, the controller 110 sets the volume level to zero level and outputs an audio signal (step 200). If the audio signal is output while the volume level is set to the zero level, the audio signal is substantially blocked without being output. In addition, the controller 110 may output an audio signal while the mute is set, or may disable the audio signal processing block to block the output of the audio signal.

If the output of the audio signal is blocked, the controller 110 displays a message indicating that the output of the audio signal is blocked (step 210). That is, if the audio signal is not output as described above, the user may mistake it as a failure of the display apparatus, and display a message indicating that the output of the audio signal is blocked in order to prevent such a situation.

Accordingly, when the output of the audio signal is blocked as the volume level is set to the 0 level, the controller 110 displays the set volume level information (0 level) 710 as shown in FIG. 7. The Quiet On function is activated to let the user know that the output of the audio signal has been cut off.

In addition, when the output of the audio signal is blocked as the mute is set, the controller 110 displays information 810 indicating that the mute is set as shown in FIG. 8.

In addition, when the output of the audio signal is blocked as the audio processing block is disabled, the controller 110 may display a message 910 indicating that the output of the audio signal is blocked, as shown in FIG. 9.

After the information 710, 810, 910 is displayed, the controller 110 displays a volume setting screen for setting a volume level to be actually applied in order to block the output of the audio signal (S220).

That is, the controller 110 displays a menu screen 1010 for setting a volume level to be applied as shown in FIG. 10. In this case, the volume level displayed on the menu screen 1010 is preferably 0 level, and the volume level to be applied is set from the 0 level.

At this time, if the volume up button is input once on the menu screen 1010, the controller 110 sets the volume level to one level, and accordingly applies the set volume level to cancel the output blocking of the audio signal. Can be.

However, in an embodiment according to the present invention, if a volume level to be finally applied is set, the output block of the audio signal is released when the volume level to be finally applied is set in order to provide a more effective block release function.

That is, if the volume up button is input once as described above, only the volume level is set to one level, and the output cutoff of the audio signal is continuously maintained. If there is a key input indicating that a confirmation key or a final volume level to be applied is set while the volume level is changed, the controller 110 releases the output block of the audio signal at the time.

Accordingly, the controller 110 determines whether the volume level to be finally applied on the menu screen 1010 is set (step 230). That is, the controller 1010 determines whether a confirmation key is input on the menu screen 1010 or a key indicating that a volume level to be finally applied is set.

When the volume level to be finally applied is set, the controller 110 releases the output block of the audio signal by applying the finally set volume level (step 240).

That is, when the confirmation key is input in the state 1020 in which the volume level is set to 17 as shown in FIG. 10, the controller 110 maintains the output block of the audio signal until the confirmation key is input. Accordingly, at the time when the confirmation key is input, the set 17 volume level is applied to cancel the output blocking of the audio signal.

In addition, if the volume level to be finally applied is not set, the controller 110 returns to step 220 in step 250 where the output block of the audio signal is continuously maintained (step 250).

On the other hand, the above has been described a case where the volume level is set to 0 level, but not only when the volume level is set to 0 level, but also when the volume level is set to the minimum volume level or muted by the same method as described above. The volume level to be finally applied can be set.

As described above, according to the exemplary embodiment of the present invention, a problem caused when the display apparatus is turned on at a relatively high volume level can be solved, and thus TV viewing can be performed without disturbing the surroundings.

100: input source receiving unit 101: audio processing unit
102: video processor 103: audio buffer
104: video buffer 105: audio output unit
106: video output unit 107: key input unit
108: storage unit 109: menu screen generation unit
110: control unit

Claims (14)

Generating a power on event;
Blocking output of a voice signal when the power on event occurs;
Setting a volume level to be applied to release the output block of the voice signal; And,
And outputting the voice signal at the set volume level. The method of claim 1,
The output blocking of the voice signal is performed when a power on event occurs due to a preset condition.
The condition may include at least one or more of a key button input for generating a power on event, a setting state of a quietly on menu, a time when a power on event occurs, and a volume level backed up at power off. How to adjust the volume level. The method of claim 1,
Blocking the output of the voice signal
And setting the volume level to 0 level to output the voice signal. The method of claim 1,
And displaying a message indicating that the output of the voice signal has been blocked. The method of claim 1,
The method of adjusting the volume level of the display apparatus, characterized in that the output block of the audio signal is maintained until the volume level to be finally applied is set by the setting of the volume level. The method of claim 1,
Blocking the output of the voice signal
And disabling the block for performing the output processing of the audio signal or outputting the audio signal in a state in which a mute is set. Generating a power on event;
Determining a condition of occurrence of the power on event;
Outputting a voice signal at a first volume level if the determined occurrence condition is a first condition; And,
And if the determined occurrence condition is a second condition, outputting a voice signal at a second volume level. The method of claim 7, wherein
And the generating condition is a time at which the power on event occurs. The method of claim 7, wherein
The first volume level is a predetermined minimum volume level for quietly executing a power on function.
And the second volume level is a volume level backed up at the time of power off. Receiving unit for receiving a voice signal input from the outside;
An output unit for outputting the received voice signal;
A user interface unit for receiving a request command from a user; And,
And a controller configured to control the voice signal to be output at a first volume level as a power-on event occurs through the user interface.
And the first volume level is different from the volume level backed up at power off. The method of claim 10,
The controller is configured to apply the first volume level based on at least one of a key button input for generating a power on event, a setting state of a quietly on menu, a time when a power on event occurs, and a volume level backed up at power off. Display device, characterized in that for determining. The method of claim 10,
And the first volume level is a zero level or a predetermined minimum volume level. The method of claim 10,
And a display unit configured to display a message indicating that the volume level is set to the first level. The method of claim 12,
And the controller is configured to output the voice signal by applying the first volume level until a final volume level to be applied is set.

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