JP2019075720A - Receiver, presentation method and presentation program - Google Patents

Abstract

To provide a receiver, presentation method and presentation program, capable of shortening waiting time after channel selection of digital broadcasting.SOLUTION: A receiver 1 includes: a first presentation unit 11 which receives a broadcast content of a selected channel for presentation according to a selection operation; a second presentation unit 12 which receives an alternative content mapped with the selected channel for presentation according to a selection operation; and a switching control unit 13 which switches from presentation of the alternative content to presentation of the broadcast content when the presentation of the broadcast content becomes possible after the presentation of the alternative content starts.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a receiver for presenting broadcast content, a presentation method, and a presentation program.

  Conventionally, broadcast content has shifted to digital broadcast, and high-resolution multi-channel video content is provided. In addition, when such broadcast content can not be received and presented for some reason, a method of switching to alternative content has been proposed.

Patent Document 1 proposes a technique for reproducing a one-segment broadcast or a series of broadcasts that are not scrambled as alternative content when descramble of scrambled broadcast content can not be performed.
Patent Document 2 proposes a technique for acquiring alternative content from a network when the content has expired and is stored when the content is accumulated and reproduced by a receiver.
According to Patent Document 3, when hierarchical transmission is performed by broadcasting, when data transmitted by a high error-resistant high layer can not be correctly received, video and audio are independently made more resistant. Techniques have been proposed to switch to those being transmitted in lower layers.

JP, 2014-135530, A JP, 2011-023807, A JP, 2008-154062, A

By the way, a receiver presenting a digital broadcast requires various operations such as establishment of synchronization with a received signal, deinterleaving, and decoding after channel selection. For this reason, presentation of video and audio content does not start immediately after tuning, and it takes a waiting time until the start of viewing the higher the content is.
Therefore, the viewing behavior that is common in analog broadcasting, which is called zapping to change channels one after another, is practically not functioning. The inability of zapping makes it difficult to guide viewers who do not know what they want to see.

  On the other hand, in a so-called OTT (Over-The-Top) service, how fast the reproduction can be started after the content is selected is an important element of whether the user can use the service. The same applies to broadcast content, and in environments where it is possible to view various media including Internet services, the length of time required for transition from channel selection operation to content presentation is a competition as media It was the result of cutting power.

  Any of the above-described Patent Documents 1 to 3 is a state after stable reception and presentation can be performed after the channel selection operation, and does not reduce the time required for transition.

  An object of the present invention is to provide a receiver, a presentation method, and a presentation program that can reduce the waiting time after tuning of digital broadcasting.

  According to the present invention, a receiver according to the present invention is provided with a first presenting unit that receives and presents broadcast content of a selected channel in response to a channel selection operation, and the selected channel in response to the channel selection operation. After the presentation of the alternative content is started by the second presentation unit that receives and presents the associated alternative content, and the second presentation unit starts presentation of the broadcast content by the first presentation unit And a switching control unit configured to switch the presentation of the alternative content by the second presentation unit to the presentation of the broadcast content by the first presentation unit.

  The second presentation unit may provide a tuning interface displaying a list of images of the alternative content associated with each of a plurality of channels, and may receive the tuning operation from the list.

  The second presentation unit may display a connected image of a plurality of the alternative contents as the tuning interface, and may display one alternative content according to the tuning operation.

  The second presentation unit may receive the connected image as one content, and may expand the connected image to display the one alternative content according to the channel selection operation.

  The alternative content may be transmitted via a communication network.

  A presentation method according to the present invention is a presentation method of broadcast content by a receiver, which receives and presents alternative content associated with a selected channel according to a channel selection operation, and the channel selection The broadcast content of the other channel is received, and after the presentation of the alternative content is started, when the presentation of the broadcast content becomes possible, the presentation of the alternative content is switched to the presentation of the broadcast content.

  A presentation program according to the present invention is a program for presenting broadcast content, which causes a receiver to receive and present substitute content associated with a selected channel according to a channel selection operation, and the channel selection The broadcast content of the designated channel is received, and after the presentation of the alternative content is started, when the presentation of the broadcast content is enabled, the presentation of the alternative content is switched to the presentation of the broadcast content.

  According to the present invention, it is possible to reduce the waiting time after selecting a digital broadcast.

It is a figure which shows the function structure of the receiver which concerns on 1st Embodiment. It is a figure showing transition of service provided with tuning operation concerning a 1st embodiment. It is a flowchart which shows the presentation method of the broadcast content which concerns on 1st Embodiment. It is a figure which shows the relationship between operation | movement of the receiver which concerns on 1st Embodiment, and the service provided. It is a figure which shows the function structure of the receiver which concerns on 2nd Embodiment. It is a figure which shows the transition of the service provided with the tuning operation which concerns on 2nd Embodiment. It is a flowchart which shows the presentation method of the broadcast content which concerns on 2nd Embodiment. It is a figure which shows the relationship between operation | movement of the receiver concerning 2nd Embodiment, and the service provided.

First Embodiment
Hereinafter, a first embodiment of the present invention will be described.
The receiver 1 according to the present embodiment receives high-quality digital broadcast content and performs signal processing of the broadcast content to present alternative content until presentation is started.
The alternative content may be provided by broadcast corresponding to each of a plurality of channels in the broadcast service, or may be provided by a communication network.

FIG. 1 is a diagram showing a functional configuration of the receiver 1 according to the present embodiment.
The receiver 1 includes a first presentation unit 11, a second presentation unit 12, a switching control unit 13, an input unit 14, and an output unit 15.

  The first presentation unit 11 receives the broadcast signal of the selected channel in response to the reception of the channel selection operation from the user via the input unit 14, and performs predetermined processing on video and audio (broadcast content (broadcast content) ) Is presented to the output unit 15.

  The second presentation unit 12 receives the alternative content associated with the selected channel in response to the reception of the channel selection operation from the user via the input unit 14, and the video or the video subjected to the predetermined processing The voice is output to the output unit 15 and presented.

Here, the alternative content is lower in resolution than the broadcast content, and is further transmitted by a signal that is not subjected to error correction and interleaving. As a result, the alternative content can be presented immediately because the processing load after reception is low, instead of the low quality compared to the broadcast content.
The alternative content may be content including video and audio similar to broadcast content, but may be, for example, audio only content in order to further reduce processing load.

The substitute content is transmitted, for example, by the following route.
(1) Broadcast channel. A plurality of broadcast channels may be multiplexed in one transmission channel, or independent transmission channels may be provided for each broadcast channel.
(2) Broadband communication. Similar to (1), a plurality of broadcast channels may be multiplexed, or independent transmission may be performed for each broadcast channel.

When the switching control unit 13 is notified by the first presentation unit that the output preparation for the broadcast content is ready and the presentation is possible after the second presentation unit starts the presentation of the alternative content, at this time, Switching from presentation of alternative content by the second presentation unit to presentation of broadcast content by the first presentation unit.
In addition, the switching control unit 13 may receive operation input information of the user from the input unit 14 and notify the first presentation unit 11 and the second presentation unit 12 of the designated channel to instruct presentation of the target content. .

The input unit 14 is a device that receives user's operation input, and includes a wireless device that receives an instruction signal from a remote control, in addition to an input key provided in a housing of the receiver 1.
The output unit 15 is a device that outputs signals received from the first presentation unit 11 and the second presentation unit 12, and includes a display for displaying an image of content on a screen, a speaker for outputting audio, and the like.

FIG. 2 is a diagram showing the transition of services provided along with the channel selection operation according to the present embodiment.
The user performs channel selection by operating the channel switching key (Up, Down) of the remote control or the ten key, or by selecting from a program guide such as EPG (Electronic Program Guide).

When the user performs a channel selection operation, the low resolution video A of the alternative service is displayed on the screen of the output unit 15 in a short time in a full screen.
Also, with the channel selection operation, the first presentation unit 11 of the receiver 1 performs the channel selection operation of the broadcast content itself after the start of presentation of the alternative service or in parallel with the presentation operation, and presents such as tuning and decoding processing Prepare. When the broadcast content can be presented, the broadcast content B, which is high quality video, is presented instead of the substitute content.

FIG. 3 is a flowchart showing a method of presenting broadcast content by the receiver 1 according to the present embodiment.
In step S <b> 1, the input unit 14 receives a channel selection operation from the user and notifies the switching control unit 13.
In step S2, when the second presentation unit 12 receives channel information from the switching control unit 13, the second presentation unit 12 receives and presents alternative content corresponding to the channel.

In step S3, when the first presentation unit 11 receives channel information from the switching control unit 13, the first presentation unit 11 performs a channel selection operation to this channel and starts preparation for presentation of broadcast content.
Steps S2 and S3 may be performed in reverse order or may be performed in parallel.

In step S <b> 4, the switching control unit 13 determines, based on the notification from the first presenting unit 11, whether the first presenting unit 11 can present the broadcast content. If this determination is YES, the process proceeds to step S5, and if the determination is NO, the process repeats step S4.
In step S5, the switching control unit 13 switches the presentation of the alternative content by the second presentation unit 12 started in step S2 to the presentation of the broadcast content by the first presentation unit 11.

FIG. 4 is a diagram showing the relationship between the operation of the receiver 1 according to the present embodiment and the provided service.
When the receiver 1 receives the channel selection operation, the alternative service is provided to the user while the broadcast content is being selected. When the channel selection operation is completed and the broadcast content is ready to be presented, the receiver 1 performs a broadcast content presentation operation, during which the broadcast service is provided to the user.
Furthermore, when the channel selection operation for switching the broadcast service is received, the receiver 1 similarly starts the channel selection operation, and while the channel selection operation is being performed, the alternative service is provided to the user, and the broadcast content is In the presentable state, the broadcast service is provided to the user.

When the alternative service is provided and the channel selection operation is performed again before the channel selection operation of the receiver 1 is completed, the receiver 1 performs the channel selection operation for the newly selected channel. It starts and a corresponding alternative service is newly provided.
Also, the channel selection operation in the present embodiment may include a presentation operation of a predetermined channel by powering on the receiver 1 in addition to switching from the current channel to another channel.

According to the present embodiment, when the receiver 1 presents alternative content whose time required for presentation preparation is short until presentation of broadcast content of the selected channel is presented, and preparation for presentation of the broadcast content is completed, Switch from alternative content to broadcast content.
Therefore, the receiver 1 can reduce the waiting time until digital broadcasting can be viewed after channel selection. As a result, it will lead to securing the competitiveness of the broadcasting service as a medium.

  Also, the receiver 1 can easily realize the configuration of the present embodiment by using the existing communication function without providing a dedicated broadcast tuner by receiving the alternative content via the communication network. .

Second Embodiment
Hereinafter, a second embodiment of the present invention will be described.
In addition, the same code | symbol is attached | subjected to the structure similar to 1st Embodiment, and description is abbreviate | omitted or simplified.

  The receiver 1a of this embodiment provides a channel selection interface for receiving selection of a channel to view. After the determination of the channel, the receiver 1a receives high-quality digital broadcast content and performs signal processing of the broadcast content and starts presentation as in the receiver 1 of the first embodiment. Present alternative content.

FIG. 5 is a diagram showing a functional configuration of the receiver 1a according to the present embodiment.
The receiver 1 a includes a first presentation unit 11, a second presentation unit 12 a, a switching control unit 13, an input unit 14, and an output unit 15. The second presenting unit 12a has a new function related to a channel selection interface compared to the receiver 1 of the first embodiment.

The second presentation unit 12a provides a tuning interface that displays a list of images of alternative content associated with each of the plurality of channels of the broadcast service.
The second presentation unit 12a receives, via the input unit 14, a tuning operation from the list of images in the tuning interface.

FIG. 6 is a diagram showing the transition of services provided along with the channel selection operation according to the present embodiment.
When the user instructs to start channel selection by, for example, pressing a specific button on the remote control, a screen A of a list of broadcast channels by the alternative service is displayed as a channel selection interface. This list is, for example, displayed as an image in which low resolution video images are linked and the alternative content corresponding to each broadcast channel is reduced, and the audio of channel A1 on which the cursor is hit is reproduced.

  The list image may be configured as one moving image, and tuning is performed depending on which region of the moving image is selected. In this case, although the alternative service is activated, the channel to be tuned in has not been determined until the user selects a specific image in the list.

When the user operates the cursor to select and determine a channel from the list, the video A2 of the alternative content for the selected channel is displayed on the full screen. At this time, the sound of the selected channel is also reproduced.
Thereafter, when the determined channel is ready to be presented, high-quality video B of the broadcast content is presented.

  Here, the second presentation unit 12a may receive alternative contents of a plurality of channels, respectively, and may link and display a list, but receives a combined image of a plurality of channels serving as a channel selection interface as a single content You may In this case, when the channel is determined by the channel selection operation, the second presentation unit 12a enlarges the connected image and displays only the alternative content of the target channel on the entire screen.

FIG. 7 is a flowchart showing a method of presenting broadcast content by the receiver 1a according to the present embodiment.
In step S11, the input unit 14 receives a specific operation input instructing the start of the channel selection operation from the user, and notifies the switching control unit 13 of the input.

In step S12, when the second presentation unit 12a receives a notification of tuning start from the switching control unit 13, the second presentation unit 12a presents an interface for tuning.
In step S13, the second presentation unit 12a receives the channel selection operation from the user based on the channel selection interface via the input unit 14, and notifies the switching control unit 13 of the determined channel.
In step S14, the second presentation unit 12a receives and presents the alternative content corresponding to the determined channel.

  In step S15, when the first presentation unit 11 receives channel information from the switching control unit 13, the first presentation unit 11 performs a channel selection operation to this channel and starts preparation for presentation of broadcast content.

In step S <b> 16, the switching control unit 13 determines, based on the notification from the first presentation unit 11, whether or not the first presentation unit 11 can present the broadcast content. If this determination is YES, the process proceeds to step S17. If the determination is NO, the process repeats step S16.
In step S17, the switching control unit 13 switches the presentation of the alternative content by the second presentation unit 12a started in step S14 to the presentation of the broadcast content by the first presentation unit 11.

FIG. 8 is a diagram showing the relationship between the operation of the receiver 1a according to this embodiment and the provided service.
When the receiver 1a receives a start instruction of the tuning operation, the user is provided with an alternative service including a tuning interface. Subsequently, when the channel is determined based on the channel selection interface, while the channel selection operation of the broadcast content for this channel is being performed, the alternative content by the alternative service is continuously provided to the user. When the channel selection operation of the receiver 1a is completed and the broadcast content can be presented, the receiver 1a performs a broadcast content presentation operation, and during this period, the broadcast service is provided to the user.

Again, when the receiver 1a receives the start instruction of the channel selection operation, the alternative service is similarly provided to the user, and the broadcast service is provided to the user when the broadcast content can be presented after channel determination.
When the channel is specified directly by the user without going through the channel selection interface, the channel selection operation by the receiver 1a and the provision of the alternative service start without time difference in the flow of the first embodiment (FIG. 4) Be done.

  According to the present embodiment, the receiver 1a provides a tuning interface displaying a list of images of the substitute content by means of the substitute service. I can improve the nature.

  Further, the receiver 1a displays a connected image of a plurality of alternative contents as a tuning interface, and displays one alternative content according to the tuning operation. Therefore, the user can determine the desired channel while checking the images of a plurality of channels without waiting time on the interface screen.

  Furthermore, the receiver 1a receives the combined image of a plurality of channels as one content, and expands the combined image to display one alternative content according to the channel selection operation. Therefore, the processing load can be reduced because the receiver 1a does not need to process a plurality of signals for the channel selection interface.

  As mentioned above, although embodiment of this invention was described, this invention is not limited to embodiment mentioned above. Further, the effects described in the present embodiment only list the most preferable effects arising from the present invention, and the effects according to the present invention are not limited to those described in the present embodiment.

  In the present embodiment, the configuration and operation of the receiver 1 or 1a have been mainly described, but the present invention is not limited to this, and each component is provided and configured as a method or program for presenting broadcast content It is also good.

  Furthermore, a program for realizing the functions of the receiver 1 or 1a is recorded in a computer readable recording medium, and the computer system reads and executes the program recorded in the recording medium to execute the program. It is also good.

  The "computer system" mentioned here includes hardware such as an OS and peripheral devices. The "computer-readable recording medium" refers to a storage medium such as a flexible disk, a magneto-optical disk, a ROM, a portable medium such as a ROM, a CD-ROM, or a hard disk built in a computer system.

  Furthermore, "computer-readable recording medium" means that a program is dynamically held for a short time, like a communication line when transmitting a program via a network such as the Internet or a communication line such as a telephone line. In this case, it may also include one that holds a program at a fixed time, such as volatile memory in a computer system that becomes a server or client in that case. Further, the program may be for realizing a part of the functions described above, and may be capable of realizing the functions described above in combination with a program already recorded in the computer system. .

  Specifically, software (application) for providing an alternative service by the second presentation unit 12 or 12a may be previously incorporated in the receiver 1 or 1a, or may be known or known in the receiver 1 or 1a. It may be downloaded from a specific site set in advance. Further, the source of contents to be presented in the alternative service corresponding to the selected broadcast channel may be set in the software of the alternative service, and may not be fixed and may be updateable.

1, 1a Receiver 11 first presentation unit 12, 12a second presentation unit 13 switching control unit 14 input unit 15 output unit

Claims (7)

A first presenting unit that receives and presents broadcast content of the selected channel according to the channel selection operation;
A second presentation unit that receives and presents alternative content associated with the selected channel according to the channel selection operation;
After the presentation of the alternative content is started by the second presentation unit, the presentation of the alternative content by the second presentation unit is performed when the first presentation unit enables the presentation of the broadcast content. 1) A receiver comprising: a switching control unit for switching to presentation of the broadcast content by a presentation unit.   The reception according to claim 1, wherein the second presentation unit provides a tuning interface displaying a list of images of the alternative content associated with each of a plurality of channels, and receives the tuning operation from the list. Machine.   The receiver according to claim 2, wherein the second presentation unit displays a connected image of a plurality of the alternative contents as the tuning interface, and displays one alternative content according to the tuning operation.   The receiver according to claim 3, wherein the second presentation unit receives the connected image as one content, and enlarges the connected image to display the one alternative content according to the channel selection operation.   The receiver according to any one of claims 1 to 4, wherein the alternative content is transmitted via a communication network. A method of presenting broadcast content by a receiver, comprising:
Receiving and presenting alternative content associated with the selected channel according to the channel selection operation;
Receiving the broadcast content of the selected channel;
A presentation method of switching from presentation of the alternative content to presentation of the broadcast content when presentation of the broadcast content becomes possible after presentation of the alternative content is started. A program for presenting broadcast content, the receiver comprising
Receiving and presenting alternative content associated with the selected channel in response to the channel selection operation;
Receiving the broadcast content of the selected channel,
A presentation program for switching from presentation of the alternative content to presentation of the broadcast content when presentation of the broadcast content becomes possible after presentation of the alternative content is started.

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