JP2001128084A - Television broadcasting receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily grasp what kind of broadcasting is executed in broadcasting of a switching destination in the case of receiving plural broadcasting signals in a television broadcasting receiver where an input signal has to be switched in the case of turning to receive plural digital broadcasting, plural channels, from scores to several hundreds of channels in total of all the signals, are included in one broadcasting wave in digital broadcasting and since broadcasting contents are sometimes different depending on a local region even in the case of analog broadcasting, channels broadcasted in the local region has to be known. SOLUTION: This receiver has a function for easily grasping broadcasting contents by listing and displaying what kind of channels are included in broadcasting of a switching destination when a user tries to switch an input signal.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television broadcast receiving apparatus, and more particularly, to a television broadcast receiving apparatus capable of selectively receiving a plurality of television broadcast signals.

[0002]

2. Description of the Related Art In addition to analog television broadcasting, MPEG
(Moving Picture Experts G
(compression) of the video / audio signal using an encoding technique of the R.O.R.
l Frequency Division Multi
iplex) and QPSK (Quadrature Ph)
Digital broadcasting using a digital modulation technique such as “Shift Shift Keying” has been started or scheduled.

FIG. 5 shows an outline of an example of a system for receiving such a plurality of broadcast signals.

In FIG. 5, reference numeral 101 denotes a broadcasting station for transmitting a broadcast signal, reference numeral 102 denotes a satellite for transmitting a broadcast signal,
Reference numerals 103 and 104 denote antennas for receiving broadcast signals from the broadcast station 101 and the satellite 102, reference numeral 105 denotes a receiver for receiving a plurality of broadcast signals and decode video / audio signals from the broadcast signals, and reference numeral 106 denotes a decoded video. It is a monitor to project.

FIG. 1 shows a receiver 1 for receiving a plurality of broadcast signals.
It is a block diagram which shows the example of a structure of 05.

The operation of a system for receiving a plurality of broadcast signals will be described with reference to FIGS.
From 02, an analog or digital broadcast signal is sent.

[0007] Broadcast signals received by the antennas 103 and 104 are supplied to a receiver 105. The receiver 105 includes a plurality of receiving devices so that a plurality of broadcast signals can be received.

Here, assuming that analog broadcasting, digital satellite broadcasting, and digital terrestrial broadcasting can be received, three receiving devices are provided.

[0009] Which broadcast is received is controlled by the broadcast signal switching means 6 and supplied to each receiving device.

A broadcast signal received by a receiver corresponding to each broadcast signal is transmitted to a video / video signal through an appropriate method, for example, decoding of an MPEG system or decoding of an analog broadcast.
An audio signal can be obtained.

The OSD (On Screen Dis)
play) An OSD display signal is generated from the display means 5,
It can be displayed on the screen.

A signal obtained from each receiving device is selected by the switching means and is displayed on a monitor 106.

[0013]

When a plurality of digital broadcasts are to be received, it is necessary to switch the input signal to receive the digital broadcasts.

In digital broadcasting, a single broadcast wave includes a plurality of channels, and when all signals are combined, the number of channels becomes several tens to several hundreds.

[0015] Even in the case of analog broadcasting, the broadcast content may differ depending on the region, so it is necessary to know the channel being broadcast in that region.

When a plurality of broadcast signals are to be received in this way, it is difficult to grasp what kind of broadcast is being performed in the switched broadcast.

According to the present invention, when a user attempts to switch an input signal, a function is provided which makes it easy to grasp the contents of the broadcast by displaying a list of what channels are present in the broadcast to be switched. .

[0018]

SUMMARY OF THE INVENTION The present invention comprises means for displaying, to a user, a list of channels contained in a broadcast signal to be received when a plurality of broadcast signals can be received.

In the case of digital broadcasting, SDT (Service Description) in the broadcast signal is used.
n Table) contains information on the channel sent to the user, so that a list of channels can be provided to the user from the information.

In the case of analog broadcasting, it is possible to detect the frequency of the channel on which broadcasting is being performed,
Also in this case, a list of channels can be presented to the user.

According to a first aspect of the present invention, a plurality of receiving units for receiving a plurality of broadcast signals, a channel information obtaining unit for obtaining channel information, a broadcast signal selecting unit for selecting a broadcast signal, and a channel information obtaining unit are provided. And a means for notifying a user of a list of channels that have been obtained, wherein channel information is obtained from each broadcast signal, and when the user switches an input source, a list of channels included in the switched broadcast signal is obtained. Is provided.

According to a second aspect of the invention, in the television broadcast receiving apparatus of the first aspect, a list of channels to be switched to is displayed while receiving a program which was being viewed before switching.

According to a third aspect of the present invention, in the television broadcast receiving apparatus according to the first aspect, a list of channels to be switched is displayed while selecting a preset channel.

According to a fourth aspect, in the television broadcast receiving apparatus according to the first to third aspects, the television broadcast receiving apparatus has a function capable of inputting an external video / audio signal. It is characterized in that it can be displayed.

According to a fifth aspect of the present invention, in the television broadcast receiving apparatus according to the first to fourth aspects of the present invention, by displaying an image of the content of the channel together with the list of the channel, the content of the channel can be displayed in a more understandable manner. It is characterized by what it can do.

According to a sixth aspect, in the television broadcast receiving apparatus according to the first to fifth aspects, a channel list is displayed in an order according to a user's preference, so that a channel can be selected from many channels. The feature is that it can be easily performed.

[0027]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a television broadcast receiving apparatus according to the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a block diagram showing the configuration of a television broadcast receiving apparatus according to an embodiment of the present invention. The apparatus configuration of FIG. 1 will be described below along with its operation.

Broadcast signals from broadcast stations and satellites are received by the antennas 103 and 104.

The broadcast signals received by the antennas 103 and 104 are controlled by the broadcast signal switching means 6 and output from the receiver 1.
05 is supplied to each of the receiving devices 1 to 4.

In each of the receiving devices 1 to 4, for example, in the case of a digital broadcast signal, a video / audio signal is generated from a broadcast signal such that a digital signal is decoded by an MPEG method and a video / audio signal is decoded.

The video / audio signal generated in this manner is displayed on the monitor 106.

The receiver to which the present invention is applied includes a channel information acquisition unit 7 for extracting channel information from a received broadcast signal, and a channel list generation unit 8 for creating a channel list from the acquired channel information.

These are provided for acquiring information of all channels included in the input source currently being received and preparing a list of them.

A list of channels created by this means is supplied to the OSD display unit 5 and output to the monitor 106.

As an implementation means, in the receiver to which the present invention is applied, when the user attempts to switch to a different broadcast signal, the viewing source is switched to that signal, and a list of channels included in the broadcast signal is displayed. A list of channels that can be acquired and selected can be shown to the user.

An input signal switching flow in the receiver will be described with reference to FIG.

First, it waits for the user to switch the input source during the normal operation (step S101) (step S102). When the input signal switching is instructed, the broadcast signal of the switching destination is supplied to the receiving device (step S103).

The channel information included in the switched broadcast signal is obtained (step S104), and the result is
It is displayed using the SD function or the like (step S105).

Thereafter, the user selects a desired channel from the list (step S106). The channel selected by the user is selected (step S107), and the operation returns to the normal operation.

Next, an embodiment of the present invention will be described in which the above-mentioned switching means is added with an operation of displaying a list of channels to be switched while viewing the program which was being viewed before the switching.

FIG. 3 is a diagram showing a broadcast signal switching flow in the television receiver of the present embodiment, which will be described.

First, similarly to the switching flow described above, it waits for the user to switch the broadcast signal from the normal operation state (step S201) (step S202).

When the switching operation is instructed, the program currently being viewed is continuously received (step S20).
3), a signal is also supplied to the receiving device that receives the broadcast signal of the switching destination (step S204).

The information of the channel included in the broadcast signal of the switching destination is obtained (step S205), and a list of channels is presented to the user (step S206). The user selects a desired channel from the channel list (step S207).

Thereafter, the broadcast signal is switched (step S2).
08), the channel selected by the user is selected (step S209), and the operation returns to the normal operation.

Next, an embodiment of the present invention will be described, in which not only a channel list but also a preset channel selection operation is added to the above switching means.

FIG. 4 is a diagram showing a broadcast signal switching flow in the television receiver according to the present embodiment, which will be described with reference to FIG.

First, similarly to the switching flow described above, it waits for the user to switch the broadcast signal from the normal operation state (step S301) (step S302). When the switching operation is instructed, the switching destination broadcast signal is supplied to the receiving device (step S303).

The information of the channel included in the broadcast signal of the switching destination is obtained (step S304), and a list of channels is presented to the user (step S305). Further, a preset channel, for example, a free channel, a previously watched channel, or a channel desired by the user is selected (step S306).

If this channel is sufficient, the operation returns to the normal operation (step S307). When the user desires another channel, the user selects a channel from the list (step S308).

The channel selected by the user is selected (step S309), and the operation returns to the normal operation.

Further, by providing an external input terminal so that an external input can be made to the television broadcast receiving apparatus, the connection status of the input terminal can be similarly presented to the user.

In the past, only a list of channels was presented, but by presenting the video of each channel at the same time, the contents of the channel can be more easily understood and tuning can be facilitated.

When displaying the channel list, the display order is set in consideration of the user's preference, for example, the channel having a large number of selections so far. It is possible to select a desired program.

[0056]

According to the present invention, when a plurality of broadcast signals can be received, a list of channels transmitted by the broadcast can be presented to the user when the broadcast signal to be received is switched. It becomes easy to grasp what kind of broadcast is being performed in the previous broadcast.

By setting the channel to be selected in advance, it is possible for the user to view the channel which is considered to be best viewed without switching the channel after switching the broadcast signal. Even so, it becomes easier to tune.

By applying these not only to television broadcasts but also to external input signals, it becomes easier to grasp the broadcast contents for more input sources.

Further, by displaying the video of each channel at the same time, it becomes easier to grasp the contents of the broadcast.

Further, by making the display order in consideration of the user's preference, selection from a large number of channels becomes easy.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a television broadcast receiving device according to an embodiment of the present invention.

FIG. 2 is a flowchart of a processing flow 1 when a broadcast signal is switched.

FIG. 3 is a flowchart of a processing flow 2 when a broadcast signal is switched.

FIG. 4 is a flowchart of a processing flow 3 when a broadcast signal is switched.

FIG. 5 is a diagram showing an outline of an example of a system for receiving a plurality of television broadcasts.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 digital satellite broadcast receiver 2 digital terrestrial broadcast receiver 3 analog broadcast receiver 4 external input receiver 5 OSD display unit 6 broadcast signal switching unit 7 channel information acquisition unit 8 channel list creation unit 101 broadcast station 102 satellite 103 antenna 104 Antenna 105 Receiver 106 Monitor

Claims (6)

[Claims] 1. A plurality of receiving means for receiving an analog broadcast or a plurality of digital broadcasts, a broadcast signal selecting means for switching a broadcast to be received, and a channel information acquiring means for acquiring a channel being broadcast from a received broadcast signal. And a means for notifying the user of the obtained list of channels, wherein when the broadcast signal to be viewed is switched by the broadcast signal selecting means, if a plurality of channels are present, the broadcast signal TV broadcast receiver that has the function of providing the user with a list of channels included in the TV. 2. The television broadcast receiving apparatus according to claim 1, wherein a list of channels included in the designated broadcast signal is displayed in response to designation of a broadcast signal switch from a user, and when the user designates a channel, A television broadcast receiver that has the function of switching the source for viewing. 3. The television broadcast receiving apparatus according to claim 1, wherein when switching the viewing source by the broadcast signal selecting means, a preset channel included in the broadcast signal is selected, and at the same time, the channel is selected. A television broadcast receiver having a function of displaying a list of channels included in a broadcast signal. 4. The digital broadcast receiving apparatus according to claim 1, further comprising a plurality of terminals for inputting external signals, and displaying a list of connection status for the signals from the input terminals. Television broadcast receiving device. 5. The television broadcast receiving apparatus according to claim 1, wherein a video of each channel is displayed together with a list of channels so that the channel content can be displayed in a more understandable manner. Broadcast receiver. 6. The television broadcast receiving apparatus according to claim 1, wherein a list of channels is displayed in an order according to a user's preference, so that it is easy to select a channel from among a large number of channels. TV broadcast receiver with functions.