JP2008015687A - Information processor, information processing method, and program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve operability of a user when a screen displayed as a user interface comprises a plurality of hierarchical screens. <P>SOLUTION: When the user presses an up key of a remote controller in viewing a program, a menu screen is displayed instead of the image of the program. A predetermined time after displaying the menu screen, when the up key is pressed while the menu screen is displayed, a channel displayed just above the channel of the program viewed by the user is selected by a cursor C without requiring any operation from the user, and display of the menu screen is switched. This invention is applicable to a home electrical appliance such as a television set. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an information processing apparatus, an information processing method, and a program, and in particular, information that can improve user operability when a screen displayed as a user interface includes a plurality of layers of screens. The present invention relates to a processing device, an information processing method, and a program.

  Remote controllers prepared for household electric appliances such as television receivers that have been widely used in recent years are usually provided with up / down / left / right keys (buttons) and a decision key.

  This is because the user interface of the style of displaying a menu screen that is a screen for centralized management of each function as the home appliances become multifunctional, and selecting the function to be executed from there is generally Because it has become. In many cases, the remote controller is also provided with a menu key (Home key) that is operated when a menu screen is displayed.

Patent Document 1 discloses an apparatus that realizes various functions in accordance with a user operation on a remote controller.
JP 2005-86769 A

  By the way, when considering the operation using the remote controller of the television receiver, the operation of the up and down keys is intuitive as the operation of switching the channel or adjusting the volume. Many users press the up and down keys on the remote controller to change channels and adjust the volume.

  However, the up and down keys provided on the remote controller of a television receiver that supports digital broadcasting are displayed on a screen (hereinafter referred to as a BML screen as appropriate) displayed based on a file described in BML (Broadcast Markup Language). The key is assigned to an operation for moving the cursor, and in many cases, it is actually a key that does not work during program viewing.

  BML is a page description language for data broadcasting based on XML (eXtensible Markup Language) established by the Association of Radio Industries and Businesses (ARIB), and provides interactive and Internet links for program broadcasting. It is used in digital broadcasting as a technology to provide. By using BML, the broadcast side can specify the user interface such as what information is displayed at what position on the screen and at what timing. Various operations can be performed on the BML screen using the left / right key, the enter key, and the return key.

  FIG. 1 is a diagram illustrating an example of screen transition of a conventional television receiver.

  For example, when a video as shown in the upper part of FIG. 1 is displayed and the user presses the upper key of the remote controller while watching a program, the screen display is shown at the end of the arrow in FIG. It will be a thing. That is, nothing is happened while the program is being watched even if the up key is operated.

  FIG. 2 is a diagram showing another example of screen transition of a conventional television receiver.

  When the BML screen as shown in the upper part of FIG. 2 is displayed, when the user presses the upper key of the remote controller once, the screen is displayed at the tip of the arrow in FIG. That is, the cursor C that had been assigned to the “Region Change” item at the lower right of the BML screen moves up and is assigned to the “Detailed Weather” item that is displayed one item above. It becomes like this. Note that the video displayed at the upper left of the BML screen in FIG. 2 is the video of the program that the user is viewing. The BML screen is basically composed of video of the program being viewed and information obtained by data broadcasting.

  FIG. 3 is a flowchart for explaining the processing performed in response to the operation of the up key as described above.

  When viewing of the program is started in step S1, it is determined in step S2 whether or not the remote controller up key has been pressed.

  In step S2, the process waits until it is determined that the up key of the remote controller has been pressed. When it is determined that the up key has been pressed, the process proceeds to step S3 to determine whether or not the BML browser is being activated. The BML browser is software for performing screen display based on a file described in BML, and is prepared in a television receiver that supports digital broadcasting. The BML browser displays a BML screen as shown in FIG.

  If it is determined in step S3 that the BML browser is being activated, the process proceeds to step S4, and as described with reference to FIG. 2, the item displayed on the currently assigned item is assigned. The cursor C is moved upward by one item so as to be in a state. Thereafter, the process returns to step S2, and the subsequent processing is continued.

  On the other hand, if it is determined in step S3 that the BML browser is not activated, the process proceeds to step S5, and no operation is performed for the operation of the up key as described with reference to FIG. The processing after step S2 is continued.

  Thus, although the up / down / left / right keys, in particular, the up / down keys are easy to press as the keys for intuitive operation, in the conventional television receiver, when the program is viewed, it is used. Nothing happens when pressed, often only enabled when the BML screen is displayed.

  FIG. 4 is a diagram showing still another example of screen transition of a conventional television receiver. The menu screen will be described with reference to FIG. As described above, the menu screen is a screen used as a user interface for centrally managing various functions.

As shown in FIG. 4, for example, when the same video as the video shown in FIG. 1 is displayed and the user presses the menu key of the remote controller while watching the program, the video of the program is changed, Alternatively, to increase the transparency of the video of the program, in a form superimposed thereon, the menu screen shown in arrowhead a ₁ is displayed.

The menu screen shown at the tip of the arrow A _{1 in} FIG. 4 basically includes category icons displayed side by side in the horizontal direction and item icons displayed side by side in the vertical direction. The user can switch the category of interest by operating the left / right keys of the up / down / left / right keys provided on the remote controller, and by operating the up / down keys, the user belongs to the selected category. From this, it is possible to switch the item of interest. For example, when the enter key is pressed, the item that is being watched at that time is selected.

In the example of the menu screen shown at the tip of arrow A _{1 in} FIG. 4, a category icon representing digital terrestrial broadcasting is selected from the category icons displayed side by side, and the display position of the category icon is used as a reference. In the vertical direction, icons representing the numbers of the four channels of digital terrestrial broadcasting are displayed in the order of “062”, “071”, “072”, and “073” from the top. Of the channels “062,” “071,” “072,” and “073”, the channel “071” is placed on the cursor C, and the channel “071” is now attracting attention. Yes. On the right side of the cursor C, the title of the program broadcast on the channel “071” is displayed.

When such a menu screen is displayed, when the user presses the upper key of the remote controller once, the display of the menu screen is one channel higher than the “071” channel that has been noticed so far. The screen shown at the end of the arrow A ₂ is switched so that the channel “062” displayed at the position is newly assigned by the cursor C.

In the example of the menu screen shown at the end of the arrow A _{2 in} FIG. 4, the cursor C is placed on the channel “062”, and the title of the program broadcast on the channel “062” is displayed to the right of the cursor C. It is displayed. The display positions of the channels “071” and “072” are switched so that they are newly displayed at a position one channel lower than the previous display position.

  The user can switch the channel by pressing the up / down key while the menu screen is displayed and operating the enter key while a predetermined channel is noticed. That is, in order to switch the channel by operating the up / down key, it is necessary to perform an operation for displaying a screen of a different layer on the basis of the screen layer on which the program video is displayed, such as displaying a menu screen. .

  FIG. 5 is a flowchart for explaining the display processing of the menu screen as described above.

  When viewing of the program is started in step S11, it is determined in step S12 whether the menu key of the remote controller has been pressed.

In step S12, waits until it is determined that the menu key of the remote controller is pressed, when it is determined that the menu key has been pressed, the process proceeds to step S13, the menu as shown in the previous arrow A ₁ in FIG. 4 A screen is displayed.

  In step S14, it is determined whether or not the up key has been pressed, and the process waits until it is determined that the up key has been pressed. If it is determined in step S14 that the up key has been pressed, the process proceeds to step S15.

  In step S15, all the channels (icons) arranged in the vertical direction move downward so that the channel displayed at a position one channel higher than the channel that has been noticed so far is newly noticed. The channel selected by the cursor C is switched. Thereafter, the processing after step S14 is continued.

  As described above, even if the up / down key is pressed during viewing of the program, the operation is treated as an invalid operation. Thus, the user switches channels by operating the up / down key during viewing of the program. First of all, it is necessary to go through a step of pressing a menu key to display a menu screen, which makes the operation troublesome.

  The present invention has been made in view of such a situation, and is intended to improve user operability when a screen displayed as a user interface is composed of screens of a plurality of layers. .

  An information processing apparatus according to an aspect of the present invention is an information processing apparatus in which a user interface including a plurality of levels of screen displays is prepared, in a state where a screen of a first level among the plurality of levels is displayed. Detecting means for detecting when an operation on a key assigned to be operated when performing a predetermined operation is performed when a screen of a second hierarchy is displayed; In response to detection by the detecting means that an operation on the key has been performed while the screen of the second hierarchy is displayed, the screen of the first hierarchy is displayed. And a control means for executing the predetermined operation.

  The screen of the first layer may be a menu screen, and the screen of the second layer may be a screen on which content video is displayed.

  An information processing method or program according to one aspect of the present invention is a key assigned to be operated when a predetermined operation is performed in a state where a screen of a first hierarchy of a plurality of hierarchies is displayed. Is detected when the second layer screen is displayed, and the key operation is performed when the second layer screen is displayed. In response to detecting that, the screen display is changed to a state in which the screen of the first hierarchy is displayed, and the predetermined operation is executed.

  In one aspect of the present invention, an operation is performed on a key assigned to be operated when a predetermined operation is performed in a state where a screen of the first layer among a plurality of layers is displayed. Is detected when the second level screen is displayed, and it is detected that an operation has been performed on the key when the second level screen is displayed. Accordingly, the screen display is changed to a state in which the screen of the first hierarchy is displayed, and the predetermined operation is executed.

  According to one aspect of the present invention, when a screen displayed as a user interface is composed of a plurality of screens, user operability can be improved.

  Embodiments of the present invention will be described below. Correspondences between the constituent elements of the present invention and the embodiments described in the specification or the drawings are exemplified as follows. This description is intended to confirm that the embodiments supporting the present invention are described in the specification or the drawings. Therefore, even if there is an embodiment which is described in the specification or the drawings but is not described here as an embodiment corresponding to the constituent elements of the present invention, that is not the case. It does not mean that the form does not correspond to the constituent requirements. On the contrary, even if an embodiment is described herein as corresponding to the invention, this does not mean that the embodiment does not correspond to other than the configuration requirements. .

  An information processing apparatus according to an aspect of the present invention (for example, the television receiver 1 in FIG. 7) is an information processing apparatus in which a user interface including a plurality of levels of screen displays is prepared. The second-level screen is displayed indicating that an operation has been performed on a key assigned to be operated when a predetermined operation is performed while the first-level screen is displayed. Detection means (for example, the instruction detection unit 41 in FIG. 8) that detects when the state is in the state, and that the operation on the key has been performed when the screen of the second hierarchy is displayed In response to the detection by the control means, the screen display is changed to a state in which the screen of the first hierarchy is displayed, and control means for executing the predetermined operation (for example, the display control unit 43 in FIG. 8). Equipped with a.

  An information processing method or program according to one aspect of the present invention is a key assigned to be operated when a predetermined operation is performed in a state where a screen of a first hierarchy of a plurality of hierarchies is displayed. Is detected when the second layer screen is displayed, and the key operation is performed when the second layer screen is displayed. In response to detecting that, the screen display is changed to a state in which the screen of the first hierarchy is displayed, and the predetermined operation is executed (for example, step S25 in FIG. 9). .

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 6 is a diagram illustrating an example of transition of screens displayed on the television receiver according to the embodiment of the present invention. With reference to FIG. 6, channel switching performed by operating the up and down keys will be described.

As shown in the upper part of FIG. 6, when a video of a program broadcast on a predetermined channel is displayed and the user presses the upper key of the remote controller while watching it, the video of the program is changed. Te, or increase the transparency of the video of the program, in a form superimposed thereon, a menu screen as shown in the previous arrow a ₁₁ of Figure 6 is displayed. Menu screen shown in the previous arrow A ₁₁ of Figure 6 is the same screen as the menu screen described with reference to FIG.

  That is, in the television receiver according to the embodiment of the present invention, the menu screen is displayed without pressing the menu key, for example, by simply pressing the up key while watching the program, and the displayed menu screen is used. It is designed to be able to switch channels. The menu screen is displayed in the same manner when the down key is pressed while watching a program.

Menu screen shown in the previous arrow A ₁₁ of Figure 6, the category icon displayed side by side in the lateral direction, and from the item icon displayed side by side in the longitudinal direction. The user can switch the noticed category by operating the left / right key among the up / down / left / right keys provided on the remote controller, and pay attention to the category belonging to the selected category by operating the up / down key. You can switch items. For example, when the enter key is pressed, the item that is being watched at that time is selected.

In the example of the menu screen shown at the tip of the arrow A _{11 in} FIG. 6, a category icon representing digital terrestrial broadcasting is selected, and “062” and “071” from the top in the vertical direction with reference to the display position of the category icon. , “072” and “073” are displayed in order of icons representing the numbers of the four channels of digital terrestrial broadcasting. Of the channels “062,” “071,” “072,” and “073”, the channel “071” is placed on the cursor C, and the channel “071” is now attracting attention. Yes. On the right side of the cursor C, the title of the program broadcast on the channel “071” is displayed.

  The channel “071” to which the cursor C is placed on the menu screen displayed immediately after the up key is pressed during viewing of the program is the channel of the program that the user was viewing when the up key was pressed.

When a predetermined time elapses after such a menu screen is displayed, the menu screen is displayed at a position one channel higher than the display position of the channel “071” that has been attracting attention until then. are as channel "062" is addressed by the cursor C, and without user is switched to the screen shown in the previous arrow a _12.

  That is, when the user presses the up key once while watching a program, the menu screen is displayed once paying attention to the channel of the program being watched at that time, and then the menu screen is automatically displayed. If the up key is pressed once in the active state, the same operation as that performed is performed, and the menu screen is displayed in a state where attention is paid to the channel displayed at the upper position by one channel. Can be switched.

In the example of the menu screen shown at the tip of the arrow A _{12 in} FIG. 6, the cursor C is placed on the channel “062”, and the title of the program broadcast on the channel “062” is displayed to the right of the cursor C. It is displayed. The display positions of the channels “071” and “072” are switched so that they are displayed at a position one channel lower than the previous display position.

  The user can display the video of the program being broadcast on the “062” channel by operating the enter key while the “062” channel is being watched. When a predetermined operation is performed with the program video displayed, a menu screen is displayed. When a predetermined channel is selected from the menu screen, the program video is displayed again. The screen on which the video is displayed and the menu screen can be said to be screens having different levels.

  In this way, the user can display the menu screen only by pressing the up key once during viewing of a program broadcast on a certain channel, and is displayed above the channel of the program being viewed. It is possible to display a menu screen in a state where attention is paid to a certain channel.

  Similarly, simply press the down key once while watching a program broadcast on a channel to display the menu screen, and pay attention to the channel displayed one channel below the channel of the program being viewed. The menu screen can be displayed.

  By switching the screen display when the up / down key is pressed while watching a program in this way, it is possible to search for a menu button compared to when it is necessary to press the menu button to display the menu screen. In addition, the user can switch channels by an intuitive operation. The up / down key operation is an operation that is used in many home appliances as a key for selecting one of the continuous line-ups, such as switching channels and adjusting the volume. It can be said that it is an operation.

  Further, the user can display the menu screen and switch channels without being aware of the operation of displaying the menu screen.

  Furthermore, if no action is taken even if the up / down key is pressed while watching a program, the up / down key is easy to press and is used for intuitive operation. This can be prevented. In addition, it is possible to effectively use keys that the user will use.

  The processing of the television receiver that performs screen display as shown in FIG. 6 will be described later with reference to a flowchart.

  FIG. 7 is a block diagram illustrating a hardware configuration example of the television receiver 1 according to the embodiment of the present invention.

  The antenna input terminal 11 inputs a signal from an antenna for receiving digital broadcasting (terrestrial digital broadcasting, BS / CS digital broadcasting). The digital tuner 12 receives and demodulates a broadcast wave signal from the digital antenna input to the antenna input terminal 11 and acquires MPEG-TS (Moving Picture Experts Group-Transport Stream). The digital tuner 12 outputs the acquired MPEG-TS to the MPEG decoder 13.

  The MPEG decoder 13 cancels the scramble applied to the MPEG-TS supplied from the digital tuner 12 and extracts a stream including program data to be reproduced. The MPEG decoder 13 decodes the audio packet constituting the extracted stream, outputs the obtained audio data to the audio signal processing circuit 18, decodes the video packet constituting the stream, and converts the obtained video data into the video The signal is output to the signal processing circuit 14.

  The video signal processing circuit 14 performs predetermined processing such as noise removal on the video data supplied from the MPEG decoder 13 and outputs the obtained video data to the display circuit 15.

  The display circuit 15 generates video data of a program to be displayed on the display panel 17 and outputs the generated video data to the panel drive circuit 16.

  The display circuit 15 generates video data for displaying a menu screen as shown in FIG. 6 according to control by a CPU (Central Processing Unit) 24 performed via the internal bus 21, and the generated video data Is output to the panel drive circuit 16.

  The panel drive circuit 16 drives the display panel 17 based on the data supplied from the display circuit 15 and causes the display panel 17 to display program images, menu screens, and the like. The display panel 17 includes an LCD (Liquid Crystal Display) or the like, and displays a predetermined screen according to control by the panel drive circuit 16.

  The audio signal processing circuit 18 performs predetermined processing such as noise removal on the audio data supplied from the MPEG decoder 13 and outputs the obtained audio data to the audio amplification circuit 19. The audio amplification circuit 19 performs D / A conversion processing and amplification processing on the audio data supplied from the audio signal processing circuit 18, adjusts the volume to a predetermined level, and then outputs the audio of the program from the speaker 20.

  An SDRAM (Synchronous Dynamic Random Access Memory) 22, a flash memory 23, a CPU 24, and a light receiving unit 25 are connected to the internal bus 21. The SDRAM 22 stores various data necessary for the CPU 24 to perform processing. The flash memory 23 stores a program executed by the CPU 24 and a file described by BML provided via a broadcast wave. The file stored in the flash memory 23 is used for displaying a BML screen by a BML browser executed by the CPU 24.

  The CPU 24 executes a program stored in the flash memory 23 and controls the overall operation of the television receiver 1 in accordance with a control code supplied from the light receiving unit 25. Each part of the television receiver 1 other than the CPU 24 and the display circuit 15 is also connected via a path (not shown).

  For example, the CPU 24 controls the display of the BML screen by starting the BML browser in addition to controlling the display of the menu screen according to the operation by the user.

  The light receiving unit 25 receives infrared rays from the remote controller 31 and outputs a control code representing the contents of the user operation obtained by demodulation to the CPU 24. For example, a control code representing operations for the up key and the down key is input to the CPU 24.

  FIG. 8 is a block diagram illustrating a functional configuration example of the television receiver 1. At least a part of the functional units shown in FIG. 8 is realized by a predetermined program being executed by the CPU 24 of FIG.

  As shown in FIG. 8, in the television receiver 1, an instruction detection unit 41, a monitoring unit 42, and a display control unit 43 are realized.

  The instruction detection unit 41 detects the operation of the up / down key performed by the user while watching the program. When it is detected that the up / down key provided on the remote controller 31 is pressed by the user during viewing of the program, the instruction detection unit 41 outputs information indicating the fact to the display control unit 43.

  The monitoring unit 42 monitors whether or not the BML browser is activated during viewing of the program. When the BML browser is activated, the monitoring unit 42 outputs information indicating that to the display control unit 43.

  The display control unit 43 controls the digital tuner 12, the MPEG decoder 13, the video signal processing circuit 14, the display circuit 15, and the panel drive circuit 16 to display the program video on the display panel 17 and display the menu screen. Display on the panel 17.

  Next, processing of the television receiver 1 performed in response to the up key being operated during viewing of a program will be described with reference to the flowchart of FIG.

  In step S21, the display control unit 43 causes the display panel 17 to display the video of the program being broadcast on the channel selected by the user, and starts viewing the program.

  In step S22, the instruction detection unit 41 determines whether or not the upper key of the remote controller 31 is pressed based on the output from the light receiving unit 25, and waits until it is determined that the key is pressed.

  If the instruction detection unit 41 determines in step S22 that the upper key of the remote controller 31 has been pressed, the instruction detection unit 41 outputs information indicating that to the display control unit 43, and proceeds to step S23.

  In step S <b> 23, the display control unit 43 determines whether the BML browser is being activated based on information supplied from the monitoring unit 42. During the viewing of the program, the monitoring unit 42 supplies information indicating that the BML browser is being activated at a predetermined timing.

  If the display control unit 43 determines in step S23 that the BML browser is being activated, the display control unit 43 proceeds to step S24, controls the display of the BML screen displayed at that time, and sets the cursor position by one item. Move upward. Thereafter, the process returns to step S22, and the subsequent processing is continued.

  On the other hand, if the display control unit 43 determines in step S23 that the BML browser is not activated and only the video of the program is being displayed, the process proceeds to step S25 and described with reference to FIG. As described above, the menu screen is displayed, and then the display of the menu screen is switched so that the channel displayed at a position one channel higher than the channel of the program being viewed is newly noticed by the cursor C. Thereafter, the process returns to step S22, and the processes after step S22 are continued.

  In the above, the menu screen is displayed when the up / down key is pressed while watching the program, and the operation executed if the up / down key is pressed while the menu screen is displayed. It is assumed that the same operation is performed, but other operations may be performed such that the volume is adjusted when the up / down key is pressed during viewing of the program.

  In addition, when a left / right key other than the up / down key or various keys are pressed and the screen of another layer is displayed, if the key is pressed, it is the same as the predetermined operation executed. The operation may be executed continuously after the screen display is switched.

  The series of processes described above can be executed by hardware or can be executed by software. When a series of processing is executed by software, a program constituting the software executes various functions by installing a computer incorporated in dedicated hardware or various programs. For example, it is installed from a program recording medium in a general-purpose personal computer or the like.

  FIG. 10 is a block diagram showing an example of the configuration of a personal computer that executes the above-described series of processing by a program.

  A CPU (Central Processing Unit) 101 executes various processes according to a program stored in a ROM (Read Only Memory) 102 or a storage unit 108. A RAM (Random Access Memory) 103 appropriately stores programs executed by the CPU 101 and data. These CPU 101, ROM 102, and RAM 103 are connected to each other by a bus 104.

  An input / output interface 105 is also connected to the CPU 101 via the bus 104. Connected to the input / output interface 105 are an input unit 106 made up of a keyboard, mouse, microphone, and the like, and an output unit 107 made up of a display, a speaker, and the like. The CPU 101 executes various processes in response to commands input from the input unit 106. Then, the CPU 101 outputs the processing result to the output unit 107.

  The storage unit 108 connected to the input / output interface 105 includes, for example, a hard disk and stores programs executed by the CPU 101 and various data. The communication unit 109 communicates with an external device via a network such as the Internet or a local area network.

  The drive 110 connected to the input / output interface 105 drives a removable medium 111 such as a magnetic disk, an optical disk, a magneto-optical disk, or a semiconductor memory, and drives the program or data recorded therein. Get etc. The acquired program and data are transferred to and stored in the storage unit 108 as necessary.

  As shown in FIG. 10, a program recording medium for storing a program that is installed in a computer and is ready to be executed by the computer includes a magnetic disk (including a flexible disk), an optical disk (CD-ROM (Compact Disc-Read Only). Memory, DVD (Digital Versatile Disc), a magneto-optical disk, a removable medium 111 that is a package medium composed of a semiconductor memory, or the ROM 102 in which a program is temporarily or permanently stored, or a storage unit 108 It is comprised by the hard disk etc. which comprise. The program is stored in the program recording medium using a wired or wireless communication medium such as a local area network, the Internet, or digital satellite broadcasting via a communication unit 109 that is an interface such as a router or a modem as necessary. Done.

  In the present specification, the steps for describing a program are not only processes performed in time series in the order described, but also processes that are executed in parallel or individually even if they are not necessarily processed in time series. Is also included.

It is a figure which shows the example of the transition of the screen of the conventional television receiver. It is a figure which shows the other example of the transition of the screen of the conventional television receiver. It is a flowchart explaining the example of switching of a display. It is a figure which shows the further another example of the transition of the screen of the conventional television receiver. It is a flowchart explaining the other example of display switching. It is a figure which shows the example of the transition of the screen displayed in the television receiver which concerns on one Embodiment of this invention. It is a block diagram which shows the hardware structural example of the television receiver which concerns on one Embodiment of this invention. It is a block diagram which shows the function structural example of a television receiver. It is a flowchart explaining the display control process of a television receiver. And FIG. 16 is a block diagram illustrating a configuration example of a personal computer.

Explanation of symbols

  1 television receiver, 31 remote controller, 41 instruction detection unit, 42 monitoring unit, 43 display control unit

Claims (4)

In an information processing apparatus in which a user interface comprising screen displays of a plurality of layers is prepared,
The operation of the key assigned to be operated when a predetermined operation is performed in a state in which the screen of the first hierarchy of the plurality of hierarchies is displayed, Detection means for detecting when the hierarchy screen is displayed;
In response to detection by the detection means that an operation has been performed on the key when the screen of the second hierarchy is displayed, the screen display is changed to the screen of the first hierarchy. An information processing apparatus comprising: a control unit that transitions to a displayed state and executes the predetermined operation. The information processing apparatus according to claim 1, wherein the screen of the first layer is a menu screen, and the screen of the second layer is a screen on which content video is displayed. In an information processing method of an information processing apparatus in which a user interface including screen displays of a plurality of layers is prepared,
The operation of the key assigned to be operated when a predetermined operation is performed in a state where the screen of the first hierarchy of the plurality of hierarchies is displayed, Detect when the hierarchy screen is displayed,
The screen display is changed to a state in which the screen of the first hierarchy is displayed in response to detecting that an operation on the key is performed while the screen of the second hierarchy is being displayed. An information processing method including a step of performing transition and executing the predetermined operation. In a program for causing a computer to execute information processing of an information processing apparatus in which a user interface including screen displays of a plurality of layers is prepared
The operation of the key assigned to be operated when a predetermined operation is performed in a state in which the screen of the first hierarchy of the plurality of hierarchies is displayed, Detect when the hierarchy screen is displayed,
The screen display is changed to a state in which the screen of the first hierarchy is displayed in response to detecting that an operation on the key is performed while the screen of the second hierarchy is being displayed. A program including a step of making a transition and executing the predetermined operation.

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