JP2006345336A - Digital broadcast display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a user to effectively utilize a rise time of several to several tens seconds for a switching operation or the like in a digital broadcast display device wherein the rise time occurs after power-on. <P>SOLUTION: When a power source of a digital broadcast display device 1 is turned on, a tuner 5 receives a broadcast wave including an encoded digital broadcast signal, and a time of several to several tens seconds is required for decoding the digital broadcast signal by a microcomputer 7 for digital circuit control. This time is utilized to perform OSD display for channel selection and sound volume control so that a user's desired operation can be performed simultaneously with the end of rise, and the user controls adjustment values by a main microcomputer 2 and makes reservation, whereby the user can effectively use the rise time. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention is a digital broadcast display device that receives a digital broadcast and displays a video. In particular, in a digital broadcast display device that displays a startup screen consisting of a predetermined image or video at startup, the digital broadcast display device The present invention relates to a digital broadcast display device capable of changing the setting of the operation of the broadcast display device.

  Conventionally, in a digital broadcast display device that receives a digital broadcast and displays a broadcast program, the digital broadcast signal included in the broadcast radio wave has been encoded. In order to decode (decompress) the digital broadcast signal, several seconds to several tens of seconds are required. Second processing time is required. During this time, the user cannot operate the digital broadcast display device, and if it breaks down, the user may misunderstand or feel uncomfortable. In order to solve this, various documents are disclosed.

  For example, in Patent Document 1, in a receiver capable of receiving a digital broadcast, a hold sound is intermittently generated in order to make the user know that the receiver is operating normally during the waiting time at power-on or channel switching. A method of generating and changing the intermittent pitch in proportion to the length of the remaining waiting time is disclosed.

JP 2001-7722 A

  However, in the method of Patent Document 1, although it is possible to notify that the receiver is in a state where it can be normally used, until the user can normally use the receiver, the user cannot select a desired broadcast station. It is not possible to change the setting, and effectively using such a useless loss time improves user convenience.

  The present invention has been made in view of the above problems, and in a digital broadcast display device capable of receiving a digital broadcast, the digital broadcast display device in advance from when the power is turned on until it can be used normally. An object of the present invention is to provide a digital broadcast display device capable of performing the operation setting.

  The digital broadcast display device according to claim 1 includes a display unit, and a predetermined image stored in advance at the time of start-up until a digital broadcast video is displayed on the display unit by a digital broadcast signal input from power-on. In the digital broadcast display device that switches the video displayed on the display unit from the startup screen to the digital broadcast video when a preparatory operation is completed, while the startup screen is being displayed, The digital broadcast display device receives setting changes for various operations and includes setting means for executing the setting changes when switching to a digital broadcast video displayed by a digital broadcast signal input from the start-up screen. And

  According to the configuration of the first aspect of the present invention, in the digital broadcast display device, the necessary standpoints from when the power is turned on until the encoded digital broadcast signal can be decoded and the broadcast program can be displayed on the display unit. While displaying a predetermined startup screen such as a startup logo or splash screen during the startup time on the display unit, it is possible to reserve a change in the operation settings of the digital broadcast display device when the startup time is over. It is possible to quickly reflect the operation set when displaying.

  The digital broadcast display device according to claim 2 is the digital broadcast display device according to claim 1, wherein when the setting is changed by the setting means, the parameter value necessary for changing the setting is displayed on the startup screen. Parameter display means for displaying an OSD (On Screen Display) on the display unit is provided.

  According to the configuration of claim 2, when changing the setting of the digital broadcast display device when displaying the predetermined start screen while the digital broadcast display device is starting up, the changed parameter value is superimposed on the start screen. OSD display is possible.

  The digital broadcast display device according to claim 3 is the digital broadcast display device according to claim 2, wherein the setting screen displayed by the parameter display means includes an item that can be changed by the setting means, and a setting change not allowed. Possible items are displayed, and the items whose settings can be changed and the items whose settings cannot be changed have different display forms.

  According to the configuration of claim 3, in the OSD display displayed by the parameter display means, items that can be changed by the user and items that cannot be changed, for example, the display colors are different from each other, or items that can be changed. It is possible to easily identify whether or not the item can be changed by using different display forms such as blinking and lighting an item that cannot be changed.

  A digital broadcast display device according to a fourth aspect of the present invention is the digital broadcast display device according to any one of the first to third aspects, wherein the setting means is capable of changing a volume when displaying an input video. It is characterized by being.

  According to the configuration of the fourth aspect, the volume adjustment function is provided as the operation setting of the digital broadcast display device, and the change of the volume is reserved while the predetermined start-up screen during the startup of the digital broadcast display device is displayed. can do.

  The digital broadcast display device according to claim 5 is the digital broadcast display device according to any one of claims 1 to 3, wherein the setting means can change a channel of the received digital broadcast signal. Features.

  According to the configuration of the fifth aspect, the channel selection function is provided as the setting of the operation of the digital broadcast display device, and the change of the channel is reserved while the predetermined start screen during the start-up of the digital broadcast display device is displayed. can do.

  The digital broadcast display device according to claim 6 is the digital broadcast display device according to any one of claims 1 to 3, wherein the digital broadcast display device includes a plurality of storage and playback devices, and the setting means includes the setting unit, A storage / reproduction device to be used when the digital broadcast receiver is instructed by a user to record a broadcast video can be selected from the plurality of storage / reproduction devices.

  According to the configuration of the sixth aspect, the digital broadcast display device includes a plurality of storage / reproduction devices for recording and reproducing the received broadcast video, while the start-up screen during startup of the digital broadcast display device is displayed. A storage / reproduction device to be used can be selected.

  The digital broadcast display device according to claim 1 includes a display unit, and a predetermined image stored in advance at the time of start-up until a digital broadcast video is displayed on the display unit by a digital broadcast signal input from power-on. In the digital broadcast display device that switches the video displayed on the display unit from the startup screen to the digital broadcast video when a preparatory operation is completed, while the startup screen is being displayed, The digital broadcast display device includes setting means for accepting setting changes of various operations and executing the setting changes when switching to a digital broadcast video displayed by a digital broadcast signal input from the startup screen. In a state where a predetermined startup screen indicating that the display device is starting up is displayed, By changing the operation settings of the tall broadcast display device, when the preparation operation is completed and the screen is switched from the start screen to the digital broadcast video, the digital broadcast video is viewed with settings that match the user's preference and viewing environment. The time for binding the user is less than when the operation setting is changed after the digital broadcast video is displayed.

  The digital broadcast display device according to claim 2 is the digital broadcast display device according to claim 1, wherein when the setting is changed by the setting means, the parameter value necessary for changing the setting is displayed on the startup screen. Since the display unit provided in the digital broadcast display device is provided with parameter display means for displaying an OSD (On Screen Display), the setting of the operation is expressed as a number superimposed on a predetermined startup screen displayed when the digital broadcast display device is started up. The OSD display of the parameter value allows the user to easily identify the parameter setting value.

  The digital broadcast display device according to claim 3 is the digital broadcast display device according to claim 2, wherein the setting screen displayed by the parameter display means includes an item that can be changed by the setting means, and a setting change not allowed. When the user changes the parameters to adjust the operation settings when the startup screen is displayed, the items that can be changed and the items that cannot be changed are displayed differently. Thus, it is possible to determine at a glance which items of the displayed OSD display can be set and which items cannot be set.

  A digital broadcast display device according to a fourth aspect of the present invention is the digital broadcast display device according to any one of the first to third aspects, wherein the setting means is capable of changing a volume when displaying an input video. Therefore, before the digital broadcast display device completes decoding of the encoded digital broadcast signal and displays the digital broadcast program on the display unit, the user adjusts the volume according to his / her preference and viewing environment. be able to.

  The digital broadcast display device according to claim 5 is the digital broadcast display device according to any one of claims 1 to 3, wherein the setting unit can change a channel of the received digital broadcast signal. Before the digital broadcast display device completes decoding of the encoded digital broadcast signal and displays the digital broadcast program on the display unit, the user can select a channel in advance, and the digital broadcast video is displayed on the display unit. When it becomes possible to display the channel, the selected channel can be displayed immediately.

  The digital broadcast display device according to claim 6 is the digital broadcast display device according to any one of claims 1 to 3, wherein the digital broadcast display device includes a plurality of storage and playback devices, and the setting means includes the setting unit, Since the storage / playback device used when the digital broadcast display device is instructed by the user to record broadcast video can be selected from the plurality of storage / playback devices, for example, a DVD (Digital Versatile Disk) is used. ) In a multi-function peripheral equipped with both a recorder and a HDD (Hard Disk Drive) recorder, while the start-up screen indicating that the multi-function peripheral is being turned on is displayed, the DVD recorder and the HDD recorder By selecting one of them in advance, when recording a desired broadcast program, it is possible to re-store it again. It is not necessary to select a device, when the user wants to record at an arbitrary timing, it is possible to perform the recording by recording and reproducing apparatus in few operations.

  Hereinafter, an embodiment as the best mode for carrying out the present invention will be described with reference to FIGS. Of course, it goes without saying that the present invention can be easily applied to other than those described in the embodiments without departing from the spirit of the invention.

  1 to 3 show Embodiment 1 of the present invention, and FIG. 1 is a block diagram showing a configuration of a digital broadcast display device capable of receiving digital broadcast in this embodiment. FIG. 2 is a flowchart showing the operation of the digital broadcast display apparatus in this embodiment. FIG. 3 is a front view of the display unit showing a state in which the present invention is implemented on a startup screen when the digital broadcast display device is started up.

  The configuration of this embodiment will be described with reference to FIG. Reference numeral 1 denotes a digital broadcast display device in the present embodiment. Reference numeral 2 denotes a main microcomputer that controls the digital broadcast display device 1. The program stored in the main microcomputer 2 is a digital broadcast that is set when the power is turned off last time, which is stored as a parameter value or user information. A control unit / determination unit 2a for setting the display device 1, an instruction unit 2b for instructing the control / determination unit 2a, an OSD data creation unit 2c for generating OSD data to be superimposed on the video to be displayed, time and the main microcomputer 2 The timer count unit 2d that performs time measurement required for processing, and the memory unit 2e that stores various parameters of the main microcomputer 2 are included. A screen control unit 3 superimposes OSD data created by the main microcomputer 2 on the broadcast video signal. A display unit 4 displays the video signal generated by the screen control unit 3. Reference numeral 5 denotes a tuner for receiving an encoded digital broadcast signal superimposed on a broadcast radio wave, and reference numeral 6 denotes an IF circuit for amplifying the broadcast signal. Reference numeral 7 denotes a digital circuit control microcomputer for decoding the encoded digital broadcast signal amplified through the IF circuit. A power supply unit 9 supplies power to the main microcomputer 2. The memory unit 2e provided in the main microcomputer 2 shows an example of data stored in the memory unit 2e as shown in the detailed example 8 of the memory unit, and stores user information, a channel plan, other default data, and the like.

  Next, the operation of the digital broadcast display device 1 in this embodiment will be described with reference to FIG. First, the main power supply of the digital broadcast display device 1 is turned on (S1). Broadcast radio waves including the encoded digital broadcast signal are sent to the digital circuit control microcomputer 7 through the tuner 5 and the IF circuit 6, and the digital broadcast reception process is started (S2). The encoded digital broadcast signal is extracted and decoding (decompression) is started, and at the same time, the channel and volume selected when the digital broadcast display device 1 is turned off last time are acquired from the memory unit 8, Based on this, OSD data is created (S3). A startup screen such as a startup logo or a splash screen stored in the memory unit 8 is sent to the screen control unit 3, and the OSD data created in step S2 is superimposed on the startup screen by the screen control unit 3 and displayed on the display unit 4. (S4). At this time, the OSD display indicating the channel and the OSD display indicating the volume are displayed in a color different from the other non-settable items and the OSD display color during normal use to indicate that the OSD display can be changed. It is determined whether or not channel selection has been performed using an operation unit or a remote controller provided in the digital broadcast display device 1 (S5). If so, a desired input channel is set (S6). Similarly, it is determined whether or not the volume has been adjusted (S7). If so, the operation setting of the digital broadcast display device 1 is changed at the input desired volume (S8). Thereafter, it is determined whether or not the digital broadcast receiving process is completed (S9). If it is not completed, the state of accepting the change of the channel and the volume is maintained. The color is returned to the OSD display color (S10), digital broadcasting is performed on the display unit with the set channel and volume (S11), and the digital broadcast display device 1 is brought into a normally usable state.

  Next, the screen of the digital broadcast display apparatus according to the present invention in this embodiment will be described with reference to FIG. FIG. 3A is a front view showing the display unit 4 of the digital broadcast display device 1 immediately after the digital broadcast display device 1 is turned on. The current time (displayed as “AM10: 10”) is shown in the upper left of the screen, the channel that is scheduled to be selected (displayed as “CH10”) in the upper right, and the number indicating the volume (displayed as “volume 40”) in the lower left. OSD is displayed. At this time, the upper right channel and the lower left volume are displayed in a color different from the normal OSD display color. This indicates a state in which the setting can be changed. The items displayed in the different colors can be changed by an operation unit or a remote controller of a digital broadcast display device (not shown). FIG. 3B is a front view showing an example of the display unit 3 of the digital broadcast display device 1 in which the channel to be displayed is changed from CH10 to CH5 and the volume is changed from 40 to 30 from the state shown in FIG. The channel is changed by directly inputting the channel number or the channel UP / DOWN key, and the volume is changed by using the volume UP / DOWN key. When the digital broadcast reception process is completed, the OSD display indicating the channel and volume is returned to the normal color, and the user is notified of the completion of the digital broadcast reception process. Thereafter, the selected digital broadcast can be viewed at the set volume.

  According to the present embodiment configured as described above, when the user turns on the power, the digital signal at the time of power-on is determined by the channel and the volume that are displayed superimposed on the start-up screen such as the start-up logo or splash screen. The setting state of the broadcast display device can be grasped. Further, by displaying the channel and volume, which are settable items, in a color different from the non-settable item time and the normal OSD display color, the user can determine whether the channel and volume are currently settable. It is possible to easily determine and select a desired channel and set the volume. Thus, the user can effectively use the time until the digital broadcast display device becomes available. In addition, with the above function, even when a plurality of users use at different times, before the digital broadcast is displayed on the display unit and the sound is output, the sound volume is adjusted to the channel that the user wants to watch and the environment such as preference and time. Can be set.

  FIG. 4 shows a second embodiment of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted. In the first embodiment, the digital broadcast display device 1 is a digital broadcast display device capable of receiving a digital broadcast signal. However, in this embodiment, the digital broadcast display device 1 is replaced with a DVD (Digital Versatile Disk) recorder and an HDD (Hard). A multifunction device capable of receiving digital broadcast signals including a plurality of recording devices, such as a disk drive recorder. In such a multifunction device, when recording an input video signal, the user arbitrarily switches whether to record to a DVD or an HDD. This selection is performed when the multifunction device is turned on. It can be set when displaying images. A method for switching the recording apparatus will be described with reference to FIG. FIG. 4A is a front view of the display unit of the multi-function peripheral during the digital broadcast receiving process when the power is turned on in the present embodiment. The recording mode (displayed as “DVD mode”) is OSD displayed at the lower right of the screen, and is displayed in a color different from the time which is an item that cannot be changed. By pressing a mode switching key provided on an operation unit or a remote controller (not shown), the “DVD mode” and the “HDD mode” are alternately switched. FIG. 4B shows a state where “DVD mode” is switched to “HDD mode”. It can be confirmed that the lower right corner of the screen has been changed from “DVD mode” to “HDD mode”. As a result, when the user instructs the multifunction peripheral to record without making any special settings, the HDD is selected as the recording medium. When the digital broadcast receiving process is completed, the OSD display color in the recording mode is returned to the normal color. As a result, the user can effectively use the time until the multifunction device becomes available. Furthermore, it is possible to easily grasp the completion of the digital broadcast reception process.

  Although the embodiments of the present invention have been described in detail, the present invention is not limited to the embodiments described above, and various modifications can be made within the scope of the gist of the present invention. For example, the OSD display color of an item that is in a settable state is set to a color different from the normal color. However, the present invention is not limited to this, and the settable item may be displayed in a blinking manner. Although the sound volume is displayed as a number, there is no problem even if the bar is displayed and the sound volume is adjusted accordingly. In the second embodiment, the switching between the DVD recorder and the HDD recorder, which are recording apparatuses, has been described in detail. However, the present invention is not limited to this, and the recording medium switching in other recording systems and the tuner corresponding to a plurality of broadcasting systems are possible. There is no problem even if it is applied to switching of the broadcasting system in the case of having

It is a block diagram which shows the structure of the digital broadcast display apparatus in Example 1 of this invention. It is a flowchart figure which shows the operation | movement at the time of power-on of a digital broadcast display apparatus same as the above. It is a front view which shows the display part of a digital broadcast display apparatus same as the above. It is a front view which shows the display part of the multifunctional device in Example 2 of this invention.

Explanation of symbols

1 Digital broadcast display device 2 Main microcomputer (setting means)
2c OSD data creation unit (parameter display means)

Claims (6)

  A display unit, and a display screen for displaying a predetermined image or video stored in advance until a digital broadcast video is displayed on the display unit by a digital broadcast signal input from power-on. In the digital broadcast display device that switches the video displayed on the screen from the startup screen to the digital broadcast video when the preparation operation is completed, the setting change of various operations of the digital broadcast display device is performed while the startup screen is displayed. And a setting means for executing the setting change when switching to the digital broadcast video input from the start-up screen.   The parameter display means for displaying an OSD (On Screen Display) on the display unit as a parameter value necessary for changing the setting on the startup screen when the setting change is performed by the setting means. The digital broadcast display device according to 1.   The setting screen displayed by the parameter display means displays items that can be changed by the setting means and items that cannot be changed. The items that can be changed are different from the items that cannot be changed. The digital broadcast display device according to claim 2, wherein the digital broadcast display device is in a display form.   The digital broadcast display device according to any one of claims 1 to 3, wherein the setting means is capable of changing a volume when displaying an input video.   The digital broadcast display device according to claim 1, wherein the setting unit can change a channel of the received digital broadcast signal. The digital broadcast display device includes a plurality of storage / reproduction devices, and the setting means includes a storage / reproduction device used when the digital broadcast display device is instructed by a user to record a broadcast video. The digital broadcast display device according to any one of claims 1 to 3, wherein the digital broadcast display device can be selected alternatively.

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