JP4189944B2 - Digital broadcast receiver - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a digital broadcast receiver, and more particularly to a digital broadcast receiver that searches a channel that is broadcasting another song in an album that contains a currently viewed song and notifies a user of the channel.
[0002]
[Prior art]
In recent years, with the advancement of digital broadcasting technology, broadcasting using a wide variety of channels has become possible through digital broadcasting. With the advancement of such technology, the conventional broadcasting form itself changes greatly, and accordingly, the user can select a desired channel from various types of channels. In digital broadcasting, the same broadcast is transmitted from a satellite and a ground station, and a receiver having a better reception state is selected and received at any time.
Furthermore, in digital broadcasting, the title and artist name of a song being broadcast are added as additional information, and information about the song currently being broadcast can be notified by displaying such information.
[0003]
[Problems to be solved by the invention]
However, even if the user wants to listen to other songs on the album that contains the currently broadcast song, the user does not know on which channel the other song on the album is being broadcast. In order to know the channel that broadcasts the song, it is inconvenient to receive all the channels and view them or to check the program guide of each channel.
In view of the above, an object of the present invention is to provide a digital broadcast receiver that searches for a channel that broadcasts other songs of the album that contains the currently viewed song and notifies the user. is there.
[0004]
[Means for Solving the Problems]
According to the present invention, according to the present invention, a digital broadcast including a plurality of channels is received, additional information of a song being broadcast in the received digital broadcast is stored, and the album name included in the additional information is the same, This is achieved by searching for a song that has not been viewed and displaying information about the searched channel.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
(A) First Outline of the Present Invention FIG. 1 is a schematic explanatory view of the present invention, in which a user instructs a search for a channel that broadcasts another song of an album in which the currently viewed song is recorded. This is an example. In the figure, DR is a digital broadcast receiver main body, 11 is a search key, a volume, and a favorite channel for instructing to search for channels that are broadcasting other songs of the album in which the currently viewed song is recorded. An operation unit including preset keys to be preset, a display unit 12, an NID which is an area for displaying information of a channel currently being viewed, and other songs of the album in which the currently viewed song is recorded AID which is an area for displaying information of the searched channel when the channel currently broadcasting is searched.
[0006]
In the digital broadcast receiver of the present invention, a digital broadcast including a plurality of channels is received, and the user selects and watches a favorite channel. When the operation unit 11 instructs to search for a channel that is broadcasting another song of the album that contains the song that the user is currently viewing, it is included in the additional information of the song being broadcast on the other channel. Search for songs that have the same album name as the currently viewed song and have never seen it, and as a result, broadcast the song whose album name is the same as the currently viewed song and that has never been viewed When a channel inside is searched, information on the channel is displayed on the display unit 12.
This makes it possible to notify which channel is currently broadcasting another song on the album that contains the song currently being viewed.
[0007]
(B) Second Outline of Present Invention The digital broadcast receiver of the present invention receives a digital broadcast including a plurality of channels, and the user selects and views a favorite channel. When the operation unit 11 instructs to search for a channel that is broadcasting other songs of the album that contains the song that the user is currently viewing, first, information on the album that contains the song that is currently being viewed is recorded. In order to obtain the album information, album information, for example, the recorded song name and song order, is obtained and stored in the memory. Next, a search is made for a song whose album name included in the additional information of the song being broadcast on another channel is the same as the song currently being viewed and has never been viewed. When a channel that is broadcasting a song that is the same as the one being viewed and has never been viewed is searched, information about the channel is displayed on the display unit 12.
This makes it possible to notify which channel is currently broadcasting another song on the album that contains the song currently being viewed.
[0008]
(C) First embodiment of the present invention (a) Configuration of digital broadcast receiver FIG. 2 is a block diagram of the digital broadcast receiver of the present invention. In the figure, 1a is an antenna that receives a digital broadcast from a satellite, 1b is an antenna that receives a digital broadcast from the ground, and 2 is a signal that is received in a good condition from signals received via the antennas 1a and 1b. The tuner unit (Tuner) 3 that extracts the received channel information and outputs the extracted signal, converts the signal output from the tuner unit 2 into digital data, performs a predetermined demodulation process, and receives the interleaved received data Is a signal demodulator for demodulating the signal.
[0009]
4 de-interleaves the transmission data output from the signal demodulator 3 and restores the original data string, and then performs predetermined error correction processing to restore channel data including channel information corresponding to a plurality of channels. A channel selection unit that extracts and outputs channel information corresponding to one channel selected by the user based on an instruction from the control unit 9 described later.
[0010]
5 is an audio decoding unit that performs predetermined decompression processing on channel information output from the channel selection unit 4 and outputs PCM audio data, and 6 is an analog signal that converts PCM audio data output from the audio decoding unit 5 And a digital / analog conversion unit (D / A conversion unit) for output.
[0011]
7 is an amplifier that amplifies the analog signal output from the digital / analog converter 6 with a predetermined amplification factor, 8 is a speaker that outputs sound corresponding to the analog signal amplified by the amplifier 7, and 9 is the entire digital broadcast receiver. 10 is a storage for recording broadcasts. For example, a mini-disc device or a memory card, 11 is broadcasting other songs on the album that contains the song that the user is currently viewing. An operation unit having various keys for performing operations such as an operation for searching for a channel and a channel switching operation, and a channel 12 on which other songs of the album containing the currently viewed song are being broadcast This is a display unit that displays information on the channel, the channel name of the channel currently being received, and the like.
[0012]
Reference numeral 9a denotes a system controller that processes channel selection from the operation unit 11 and channel search instructions for broadcasting other songs in the album containing the currently viewed song. 9b is a channel search unit that searches for a channel that is broadcasting other songs of the album that contains the currently viewed song, and 9c is that that broadcasts other songs of the album that contains the currently viewed song. 9d is a memory for storing the information of the songs that have been searched and viewed by the channel search, preset channels, etc., 9d is the channel information that is broadcasting other songs of the album that contains the currently viewed song, etc. It is a display control unit that performs control for displaying various screens on the display unit 12.
[0013]
(B) Data structure of the digital broadcast of the present invention FIG. 3 is a diagram showing an example of the data structure of the digital broadcast in the first embodiment of the present invention, and an area for storing the release date data of the song is prepared. Is the case.
As shown in the figure, a plurality of channels are multiplexed in one digital broadcast signal and transmitted in predetermined frame units. One channel is composed of music data and program additional information in the case of a music program. The program additional information includes a program name, an artist name, a title, an album name indicating the album in which the song being broadcast is recorded, and a song Category, information on the release date of the song, for example, data such as “2001/6/1”.
[0014]
(C) Stored contents of memory FIG. 4 is an explanatory diagram of stored contents of the memory in the first embodiment of the present invention. When the user instructs to search for a channel that is broadcasting other songs of the album that contains the currently viewed song, the album name, artist name, and title are obtained from the additional information of the currently viewed song, Store as shown in (a). Next, as a result of the search, another song is searched, and when the user views the searched song, the title of the viewed song is added to the previous data and stored in the memory as shown in (b).
[0015]
(D) Flowchart of the first embodiment of the present invention FIG. 5 is a flowchart of the first embodiment of the present invention. First, the system controller 9a (FIG. 2) determines whether or not the search button of the operation unit 11 has been pressed (step 101). If it is not pressed, no particular processing is performed. On the other hand, if pressed, the system controller 9a acquires the title, artist name, and album name of the currently viewed song from the received digital broadcast from the additional information and stores them in the memory 9c (step 102).
[0016]
Next, the channel search unit 9b searches for a channel broadcasting a song similar to the artist name and album name stored in the memory 9c (step 103). Next, it is determined whether or not there is a channel that broadcasts the same song (step 104). If there is no corresponding channel, the processing of step 103 is performed. On the other hand, if there is a corresponding channel, it is determined by referring to the stored contents of the memory 9c whether or not the song being broadcast on that channel has already been viewed (step 105). In step 105, if the song being broadcast is a song that has already been viewed, the process of step 103 is performed. If not, information on the channel that is broadcasting the song searched in step 103 is displayed on the display unit 12 (step 106). ).
[0017]
Next, the system controller 9a determines whether or not the channel that is broadcasting the searched music is selected (step 107). If it is not selected, no processing is performed. On the other hand, if it is selected, the name of the song being broadcast on the selected channel is stored in the memory 9c, and the channel selection unit 4 switches to the channel selected (step 108).
[0018]
(C) Second embodiment of the present invention (a) Configuration of digital broadcast receiver FIG. 6 shows the configuration of a digital broadcast receiver of this embodiment. The configuration is the same as that of FIG. 2, and a communication device for acquiring album information from an external server is added.
[0019]
(B) Stored contents of memory FIG. 7 is an explanatory diagram of the stored contents of the memory in the second embodiment of the present invention. When the user instructs to search for a channel that is broadcasting other songs of the album that contains the currently viewed song, the album name, artist name, and title are obtained from the additional information of the currently viewed song, In order to acquire the album information based on the acquired album name, an album name, artist name, song number, and song title are stored as shown in FIG. Next, the song title obtained from the additional information of the currently viewed song is stored as shown in FIG. Further, as a result of the search, another song is searched, and when the user views the searched song, the title of the viewed song is added to the previous data and stored in the memory as shown in (c).
The stored song number can also be used when, for example, the user records and plays back another song on the album being broadcast.
[0020]
(C) Flowchart of the second embodiment of the present invention FIG. 8 is a flowchart of the second embodiment of the present invention. First, the system controller 9a (FIG. 2) determines whether or not the search button of the operation unit 11 is pressed (step 201). If it is not pressed, no particular processing is performed. On the other hand, if pressed, the system controller 9a acquires the title, artist name, and album name of the currently viewed music from the additional information from the received digital broadcast (step 202).
[0021]
Next, using a communication device such as a cellular phone, the system controller 9a acquires album information from an external server based on the album name acquired in step 202 and stores it in the memory 9c (step 203). Next, the channel search unit 9b searches for a channel broadcasting a song similar to the stored artist name and album name (step 204), and determines whether there is a channel broadcasting the same song (step 204). 205). In step 205, if there is no corresponding channel, the processing of step 204 is performed. If there is a corresponding channel, whether the song being broadcast on that channel has already been viewed or not is stored. The determination is made with reference to (step 206). In step 206, if the song being broadcast is a song that has already been viewed, the process of step 204 is performed. If not, information on the channel that is broadcasting the song searched in step 204 is displayed on the display unit 12 (step 207). ).
[0022]
Next, the system controller 9a determines whether or not a channel that broadcasts the searched music is selected (step 208). If it is not selected, no processing is performed. On the other hand, if it is selected, the name of the song being broadcast on the selected channel is stored in the memory 9c and switched to the channel selected by the channel selector 4 (step 209).
[0023]
(C) Third Embodiment of the Invention (a) Flowchart of the Third Embodiment of the Invention FIG. 9 is a flowchart of the third embodiment of the invention. The configuration of the digital broadcast receiver is the same as that shown in FIG. 2, and the stored contents of the memory are the same as those shown in FIG.
[0024]
First, the system controller 9a (FIG. 2) determines whether or not the search button of the operation unit 11 has been pressed (step 301). If it has not been pressed, no particular processing is performed. On the other hand, when pressed, the system controller 9a acquires the title, artist name, and album name of the currently viewed song from the received digital broadcast from the additional information and stores them in the memory 9c (step 302).
[0025]
Next, the channel search unit 9b searches for a channel broadcasting a song similar to the artist name and album name stored in the memory 9c (step 303). Next, it is determined whether or not there is a channel that broadcasts the same song (step 104). If there is no corresponding channel, the processing of step 303 is performed. On the other hand, if there is a corresponding channel, it is determined by referring to the storage contents of the storage 10 whether or not the song being broadcast on that channel has already been recorded in the storage 10 (step 305). In step 305, if the song being broadcast is a song that has already been recorded, the process of step 303 is performed. If not, recording of the song searched in step 303 is started and information on the channel being broadcast is displayed on the display unit 12. Display (step 306). At this time, even if the channel that starts recording is a channel other than the channel that is currently received and viewed, recording can be performed without switching from the currently viewed channel to the channel that starts recording. It is. That is, it is possible to record a song being broadcast on another channel searched while continuing to watch the channel currently being viewed.
[0026]
Next, the system controller 9a determines whether or not the recorded song has ended (step 307), and the system controller 9a determines (step 307). If so, the recording ends (step 308). Next, the recorded song name is stored in the memory 9c (step 308).
In this embodiment, an example of satellite digital broadcasting has been described, but it can also be used for terrestrial digital broadcasting.
[0027]
【The invention's effect】
As described above, according to the present invention, a search is made for a song whose album name included in the additional information of the song being broadcast on another channel is the same as the song currently being viewed and has not been viewed, and that channel. Information on the display unit is displayed on the display unit, so that it is possible to easily notify the channel that broadcasts other songs of the album in which the currently viewed song is recorded.
[Brief description of the drawings]
FIG. 1 is a schematic explanatory diagram of the present invention.
FIG. 2 is a block diagram of a digital broadcast receiver according to the first embodiment of the present invention.
FIG. 3 is a data structure of digital broadcasting.
FIG. 4 is an explanatory diagram of storage contents of a memory according to the first embodiment of this invention;
FIG. 5 is a flowchart of the first embodiment of the present invention.
FIG. 6 is a block diagram of a digital broadcast receiver according to a second embodiment of the present invention.
FIG. 7 is an explanatory diagram of storage contents of a memory according to a second embodiment of this invention.
FIG. 8 is a flowchart of the second embodiment of the present invention.
FIG. 9 is a flowchart of the third embodiment of the present invention.
[Explanation of symbols]
DR ··· Digital broadcasting receiver 11 ··· Operation unit 12 ··· Display unit AID · · Area for displaying channel information that broadcasts other songs of the album that contains the currently viewed song

Claims (2)

In the digital broadcast receiver that can search the user's desired song,
Receiving means for receiving a digital broadcast in which a plurality of channels are multiplexed ;
Storage means for storing additional information of an artist name, a title, and an album name, which is received by the receiving means and included in the channel being selected for viewing ;
Search means for searching for a channel broadcasting a song accompanied by additional information including the album name stored in the storage means from a plurality of channels received by the receiving means ;
Display means for displaying information on a channel that is broadcasting on a channel searched by the search means and that is broadcasting an unviewed song that is not stored in the additional information stored in the storage means;
A digital broadcast receiver comprising:   2. The digital broadcast receiver according to claim 1, further comprising recording means for recording a song being broadcast on the channel searched by the search means and an unviewed song.

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