JP2940896B2 - Multiplex broadcast receiver - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention receives an FM multiplex broadcast wave transmitted by multiplexing broadcast information with digital information data such as graphics and characters different from that of a main program and selecting and displaying the digital information data. The present invention relates to an FM multiplex broadcast receiver configured as described above.

[0002]

2. Description of the Related Art FM multiplex broadcasting provides various services by multiplexing digital information data such as graphics and characters different from those of a main program into a current FM broadcasting, and provides various services. Services in various systems have been started in various countries. European RD
S (Radio Data System).
In the case of RDS, the data of the auxiliary information of the main program is often multiplexed and broadcast. Examples of services include: (1) Information for automatic tuning, identification information of the country, area, and station; There are frequency information of broadcasting stations, station information broadcasting traffic information, and program category information. (2) Information for switching includes monaural / stereo distinction information, music / voice distinction information, and the like. (3) As information for communication, character information of a broadcast station name,
There is pager service. (4) In addition, there is time information.

Hereinafter, a conventional example shown in FIG. 14 will be described. In the figure, 1 is an antenna for receiving an FM multiplex broadcast wave, 2 is a front end circuit for selecting a desired frequency from the FM multiplex broadcast waves received by the antenna 1 and converting it to an intermediate frequency signal, 3 is a front end circuit 2 A stereo demodulation circuit for extracting a stereo audio signal from an output signal of the detection circuit 3, an amplification circuit for amplifying an output signal of the stereo demodulation circuit 4, and 6 A speaker for converting the output signal of the amplifying circuit 5 into sound; a data demodulating circuit 7 for extracting a multiplexed digital information data signal from the output signal of the detecting circuit 3;
Is a data decoding circuit for converting an output signal of the data demodulation circuit 7 into a digital information data code; 9 is an information type selection circuit for selecting digital information data of an arbitrary information type from the output signals of the data decoding circuit 8; Is a display for displaying the output signal of the information type arbitrarily selecting circuit 9; , 12 is a menu switch for displaying a menu screen of the information type, 13 is an up switch for moving the cursor in the menu screen upward, 14 is a down switch for moving the cursor in the menu screen downward, and 15 is a menu screen. Is an information type selection switch for selecting an information type designated by a cursor in the box.

Next, the operation of the conventional example will be described with reference to a frequency spectrum shown in FIG. 15, a conceptual diagram of digital information data shown in FIG.
This will be described with reference to the menu selection screen diagram of FIG. A desired frequency channel is selected by the front end circuit 2 from the FM multiplex broadcast waves input to the antenna 1, and is converted into a low frequency signal by the detection circuit 3. As shown in FIG. 15, if the received FM multiplex broadcast wave signal has a frequency spectrum in which digital information data is arranged on a higher frequency side than a normal FM broadcast LR audio signal, the LR audio signal and digital Information data signals can be distinguished. Next, the LR audio signal is demodulated by the stereo demodulation circuit 4, the LR audio signal is amplified by the amplification circuit 5, and sound is heard from the speaker 6. The operation up to this point is the conventional F
The operation is the same as that of the M broadcast receiver.

On the other hand, the output signal of the detection circuit 3 is also input to a data demodulation circuit 7, where a digital information data signal is demodulated. The demodulated digital information data signal is decoded by the data decoding circuit 8 into the original digital information data code. The decoded digital information data may be arranged, for example, as shown in FIG. 16. Information type A → digital information data of information type A → CRC check code → information type B → digital information data of information type B → CRC check code →
・ ・ ・ ・ ・ Sent in order. Information types A, B, C
For example, A: news, B: weather forecast, C: traffic information on accidents / congestion, D: stock information, etc. can be considered. Further, the CRC check code is a code for checking whether or not the transmitted data has been correctly received. The data decoding circuit 8 performs a decoding process under the control of the microcomputer 11.

Next, the menu switch 12 is operated to display a menu selection screen as shown in FIG. Then, the cursor is moved by operating the up switch 13 and the down switch 14, and an arbitrary information type (for example, digital information data of the information type C in FIG. 16) is selected by operating the information type selection switch 15. (Step 1 in FIG. 18 (hereinafter, referred to as “ST1”)). When an arbitrary information type is selected, digital information data (for example, information type C in FIG.
Is stored (ST2). When the data storage is completed, the display 1
Digital information data is displayed at 0 (ST3). If data storage is not completed, it is checked whether any information type has changed (ST1), and the data storage operation is continued. Next, the microcomputer 11 checks whether or not the power of the FM multiplex broadcasting receiver is turned off (ST4). If the power is not turned off, the microcomputer 11 checks whether or not an arbitrary information type is changed (ST1). repeat.

[0007]

In a conventional multiplex broadcasting receiver, an up / down switch is operated while looking at a menu selection screen displayed on a display at the time of reception, and a cursor is set to a desired information type. However, since the content of the desired information type is transmitted from the speaker by operating the information selection switch, there is a problem that such an operation is not preferable for safety while driving the car. there were. The present invention has been made to solve such a problem, and an object of the present invention is to provide a multiplex broadcast receiver that can obtain desired information by a simple operation.

[0008]

A multiplex broadcast receiver according to the present invention encodes information of different types and multiplexes the information.
Decoding means for receiving and decoding the transmitted wave; and
Display means for displaying the decoded information, and the decryption means
Select the type to be displayed on the display from the information
First selecting means, and a location selected from the information decrypted by the decrypting means.
A second selecting means for selecting a certain type of information;
Determining means for determining the running state of the vehicle equipped with the
If the determination means determines that the vehicle is stopped, the first selection means
Displays the selected information on the display means to determine that the vehicle is running.
Display the information selected by the second selecting means.
And switching means for switching between the two.

When there is no selection by the first selection means
Displays the information selected by the second selection means on the display means.
That's what I did.

The information decrypted by the decryption means includes
If there is no information of the type selected by the first selecting means, the second
The information selected by the selection means is displayed on the display means .

When the determining means determines that the vehicle is stopped,
In the above, the first selecting means selects based on the selecting operation.
Information or the information selected by the second selecting means.
A display changeover switch for displaying one of them on the display means .

[0012] The first selecting means may include a plurality of information types.
With priority selection means for selecting the priority of
Then, the information selected by the first selection means is displayed on the display means.
Are displayed based on the priority .

[0013] Also, a predetermined type selected by the second selecting means.
Is made into traffic information.

[0014]

In the multiplex broadcast receiver according to the present invention, the discriminating means is provided.
If it is determined that the vehicle is in the stopped state, the information selected by the first selecting means is displayed.
Information is displayed on the display means, and if it is determined that the vehicle is running, the second
Switch to display the information selected by the selection means
be able to.

When there is no selection by the first selection means, the information selected by the second selection means is displayed on the display means.

In the information decoded by the decoding means, the first selection
If there is no information of the type selected by the selection means, the second selection
The information selected by the means can be displayed on the display means
You.

When the determining means determines that the vehicle is stopped,
The information selected by the first selecting means based on the selecting operation.
Information or information selected by the second selecting means.
Can be displayed on the display means.

[0018] The first selecting means is a means for prioritizing a plurality of information types.
In addition to providing priority order selection means for selecting the order,
When displaying the information selected by the first selection means on the display means
Can be displayed based on priority.

A predetermined type of information selected by the second selecting means
Can be used as traffic information.

[0020]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. Embodiment 1 FIG. 1, the same reference numerals as those in FIG. 14 indicate the same parts . 1 is an antenna for receiving FM multiplex broadcast waves,
2 is desired from FM multiplex broadcast waves received by antenna 1
Front frequency to select the frequency of
Circuit 3 outputs the output signal of the front end circuit 2 at low frequency.
A detection circuit 4 for converting the signal into a signal;
A stereo demodulation circuit that extracts a stereo audio signal from inside,
5 is an amplification circuit for amplifying the output signal of the stereo demodulation circuit 4
The path 6 is a speed for converting the output signal of the amplifier circuit 5 into sound.
F and 7 are digital signals multiplexed from the output signal of the detection circuit 3.
A data demodulation circuit for extracting the digital information data signal;
Output signal of the data demodulation circuit 7 into digital information data code
Data decoding circuit for conversion, 10 is an information type selection circuit
A display as display means for displaying the output signal of 9; 11
Is a front end circuit 2, a data decoding circuit 8, and a display 1
0 and a microcomputer which controls the information type automatic selection circuit 16.
Computer (hereinafter referred to as "microcomputer"). In addition,
Data demodulation circuit 7 and data decoding circuit 8
Receives and decodes multiplexed broadcast waves by encoding information
Decoding means for performing the decoding.

Further, 16 is automatically retrieve the digital information data of a predetermined information type from the output signal of the data decoding circuit 8, i.e., the table from the information which the decoding means has decoded
A second selection step for arbitrarily selecting a type to be displayed on the indicator 10
This is an information type automatic selection circuit as a stage .

Next, the operation of the first embodiment will be described with reference to the frequency spectrum of FIG. 15, the conceptual diagram of digital information data of FIG. 16, and the flowchart of FIG. The operation of reproducing the audio signal and the operation of reproducing the digital information data signal are the same as those in the conventional example, and thus the description thereof is omitted. Next, the information type automatic selection circuit 16 automatically selects digital information data of a predetermined information type (for example, digital information data of information type C in FIG. 16) in accordance with an instruction from the microcomputer 11 (see FIG. 16). 2, ST1), digital information data (for example, digital information data of information type C in FIG. 16) is stored in a memory in the information type automatic selection circuit 16 (ST2).
When the data accumulation is completed, the digital information data is displayed on the display 10 according to the instruction of the microcomputer 11 (ST
3). Next, the microcomputer 11 checks whether or not the power of the FM multiplex broadcast receiver has been turned off (ST4). If the power has not been turned off, the microcomputer 11 stores new digital information data (return to ST2) and repeats the above operation.

Embodiment 2 FIG. FIG. 3 is a flowchart showing the operation of the second embodiment of the present invention, and the circuit configuration is the same as that of FIG. In the second embodiment, the information type automatic selection circuit 16 automatically selects the information type of the first priority according to an instruction from the microcomputer 11 (ST1).
It is determined whether there is digital information data of the information type of the first priority (ST2). If there is no digital information data of the information type of the first priority, the information type of the second priority is automatically selected (ST3), and whether digital information data of the information type of the second priority exists. It is determined whether or not (ST4). When there is no digital information data of the information type of the second priority, the information type of the third priority is automatically selected (ST5), and the digital information data of the information type of the third priority exists. It is determined whether or not (ST6). If there is no digital information data of the information type of the third priority, it is checked whether the power of the FM multiplex broadcasting receiver has been turned off (ST7).
The process returns to step ST1 for selecting the information type of the rank.

If the digital information data is present in each of the steps ST2, ST4 and ST6 as to whether or not the digital information data is present, the digital information data is stored (ST8). The digital information data is displayed (ST9), and then the process proceeds to a step (ST7) for checking whether or not the power of the FM multiplex broadcast receiver has been turned off. In the second embodiment, the case where the third priority is designated is described, but the designated number is not limited to this example.

Embodiment 3 FIG. Figure 4 is a block circuit diagram of a third embodiment of the present invention, the same reference numerals as in FIG. 1 and FIG. 14 are respectively indicate the same parts, 17 information type automatic selection circuit 16 and the data decrypt circuit
8 digital information data of any information type
Data type selection as first selection means for selecting data
The display selection switch determines which digital information data of the selection circuit 9 is displayed on the display 10.

Next, the operation of the third embodiment will be described with reference to the flowcharts of FIGS. 5 and 6 and a display example of FIG. The operation from the antenna 1 to the data decoding circuit 8 is the same as that in the first embodiment, and thus the description is omitted. The output signal of the data decoding circuit 8 is input to the information type automatic selection circuit 16 and the information type arbitrary selection circuit 9. The digital information data of a predetermined information type is automatically selected by the information type automatic selection circuit 16 according to the instruction of the microcomputer 11 (ST1), and the menu switch 1
2. Arbitrary information is selected by operating the up switch 13, the down switch 14, and the information type selection switch 15 (ST2), and digital information data of an arbitrary information type is selected by the information type optional selection circuit 9. Note that FIG.
(A) shows an example of a menu screen when the menu switch 12 is pressed. For example, when an arbitrary information type is used as a weather forecast, the down switch 14
Is pressed once to move the cursor to the position of the weather forecast, and then the selection switch 15 is pressed to designate the weather forecast.

Next, when the output signal of the data decoding circuit 8 is digital information data of a predetermined information type (ST3 "A")
Stores digital information data in the memory A in the information type automatic selection circuit 16 (ST4). Data decoding circuit 8
Is the digital information data of the above-mentioned arbitrary information type (ST3 "B"), the digital information data is stored in the memory B in the information type arbitrary selection circuit 9 (ST3).
8). If the output signal of the data decoding circuit 8 is digital information data of an information type other than the above (ST3 "C"), the digital information data is ignored and it is checked whether or not the selected content of the arbitrary information type has changed ( ST2), the information type of the next received digital information data is determined (ST2).
3). When the storage of the digital information data of the predetermined information type in the memory A is completed, the data update flag is set to "1" (ST5), and when the storage of the digital information data of the arbitrary information type is completed in the memory B, the data is updated. An update flag is set to a state of "1" (ST9).

On the other hand, by operating the display selection switch 17,
Which of the memories A and B to display digital information data is selected (ST13 in FIG. 6). When the predetermined information type is selected, it is checked whether or not the data update flag of the memory A is "1" (ST14). When the data update flag is present and "1", digital information data of a new predetermined information type is displayed on the display 10 (ST1).
5) The new data display completed flag is set to "1" (ST16). Next, the power of the FM multiplex broadcasting receiver is turned off.
It is checked whether or not the power has been turned off (ST22), and the power is turned off.
If F is not selected, the process returns to the step of determining the selection result of the display selection switch 17 (ST13), and the above operation is repeated thereafter. The process ends when the power of the FM multiplex broadcast receiver is turned off.

If the data update flag of the memory A is not "1" (ST14 "N"), the digital information data of the old predetermined information type is displayed on the display 10 (ST17). Similarly, a step of checking whether or not the power of the FM multiplex broadcast receiver has been turned off (S
Proceed to T22).

When an arbitrary information type is selected by operating the display selection switch 17, it is checked whether or not the data update flag of the memory B is "1" (ST1).
8). When the data update flag is present and "1", digital information data of a new arbitrary information type is displayed on the display 10 (ST19), and the new data display completed flag is present "1".
(ST20). Next, it is checked whether the power of the FM multiplex broadcast receiver is turned off (ST2).
2) If the power is not turned off, display selection switch 1
Returning to the step of determining the selection result of No. 7 (ST13),
Hereinafter, the above operation is repeated. The process ends when the power of the FM multiplex broadcast receiver is turned off.

If the data update flag of the memory B is not "1" (ST18 "N"), the old digital information data of an arbitrary information type is displayed on the display 10 (ST21). Similarly, a step of checking whether or not the power of the FM multiplex broadcast receiver has been turned off (S
Proceed to T22).

Next, it is checked whether or not each of the new data display flags of the memories A and B is "1" (ST6 in FIG. 5), and (ST10 in FIG. 5). When the new data display completed flag is set to "1" (ST16 in FIG. 6), (ST2 in FIG. 6)
0), there is no data update flag for each of the memories A and B, and the state is set to “0” (ST7 in FIG. 5), (ST1 in FIG. 5).
1). Then, it is checked whether or not the power of the FM multiplex broadcast receiver is turned off (ST12 in FIG. 5).
If the power is not turned off, it is determined whether the selected content of the arbitrary information type has not changed (ST2 in FIG. 5), and the information type of the next received digital information data is determined. Then, the above operation is repeated. FIG. 17B shows a display example when an arbitrary information type is used as a weather forecast, and FIG. 17C shows a display example when a predetermined information type is used as traffic information.

Embodiment 4 FIG. FIG. 7 is a block circuit diagram of Embodiment 4 of the present invention, in which the same reference numerals as those in FIGS. 1 and 14 indicate the same parts, and 18 indicates whether the vehicle equipped with the multiplex broadcast receiver of this embodiment is stopped. This is an input terminal for a running pulse for determining whether the vehicle is running. Next, control of the fourth embodiment will be described with reference to the flowcharts of FIGS. The difference from the third embodiment is that the information type automatically selected is traffic information (ST1 in FIG. 8), and the automatically selected information type is displayed or the information type of the arbitrarily selected information type is displayed. The decision as to which of the digital information data is to be displayed is made based on a signal input to the traveling pulse input terminal 18 depending on whether or not the vehicle is traveling (ST23 in FIG. 9). That is, digital information data of traffic information is displayed while the vehicle is running, and digital information data of an arbitrary information type is displayed while the vehicle is stopped. The other operations are the same as those in the flowcharts of FIGS.

In the above description, whether or not the vehicle is running is determined based on whether or not there is a running pulse. However, the vehicle speed is calculated from the running pulse, and whether or not the speed is equal to or higher than a predetermined speed is determined. May be determined. further,
The determination as to whether or not the vehicle is stopped may be made based on whether or not the change lever is at the parking or neutral position and whether or not the side brake is applied. Furthermore, it may be determined whether or not the vehicle is running based on these combinations.

Embodiment 5 FIG. The circuit configuration of the fifth embodiment is the same as that of the fourth embodiment shown in FIG. 7, and the control operation when the “traffic information” is automatically selected by the microcomputer 11 is the same as the flowchart of FIG. FIG. 10 is a flowchart of the fifth embodiment. The difference from the fourth embodiment is that either the digital information data of the traffic information automatically selected or the digital information data of the arbitrarily selected information type is displayed. Is selected based on a signal input to the traveling pulse input terminal 18 depending on whether or not the vehicle is traveling (ST23 in FIG. 10). If the vehicle is stopped, it is automatically selected again. Display digital information data of traffic information
Alternatively, it is determined which of the digital information data of the arbitrarily selected information type is to be displayed (ST24 in FIG. 10).
That's what we did. In the determination step again (ST24 in FIG. 10), when there is an operation of selecting digital information data of an arbitrary information type, the arbitrarily selected information type is selected and displayed, and the digital information of the arbitrary information type is displayed. When there is no operation to select data, digital information data of traffic information automatically selected is selected and displayed. Other control operations are the same as in the fourth embodiment.

Embodiment 6 FIG. The circuit configuration of the sixth embodiment is the same as that of the fourth embodiment shown in FIG. 7, and the control operation when the "traffic information" is automatically selected by the microcomputer 11 is the same as that of the flowchart of FIG. FIG. 11 is a flowchart of the sixth embodiment, which differs from the fifth embodiment in that the digital information data of the traffic information automatically selected when the vehicle is stopped is displayed.
Alternatively, it is determined again whether to display the digital information data of the arbitrarily selected information type by determining whether there is digital information data of the arbitrarily selected information type (the received broadcast wave includes the digital information data). Or whether there is no tunnel or the like in the traveling route and reception of broadcast waves including digital information data is not interrupted) (S in FIG. 11).
T25). When digital information data of the arbitrarily selected information type exists, the digital information data of the arbitrarily selected information type is selected and displayed, and no digital information data of the arbitrarily selected information type exists. At the time, the digital information data of the traffic information automatically selected is selected and displayed. Other control operations are the same as in the fifth embodiment.

Embodiment 7 FIG. FIG. 12 is a block circuit diagram of Embodiment 7 of the present invention.
The same reference numerals denote the same parts, respectively, and 19 indicates whether the digital information data of the automatically selected information type is displayed when the vehicle equipped with the multiplex broadcast receiver of the seventh embodiment is stopped, or Is a stopped-state display changeover switch for determining whether to display digital information data of the selected information type.

The control operation at the time of automatically selecting "traffic information" by the microcomputer 11 of the seventh embodiment is the same as that in the flowchart of FIG. FIG. 13 shows the seventh embodiment.
Is different from the fifth embodiment in that the digital information data of the traffic information automatically selected when the vehicle is stopped or the digital information data of the arbitrarily selected information type is displayed. Is displayed again based on the selection result of the stop display changeover switch 19 (ST26 in FIG. 13).
Other control operations are Ru der same as in Example 5.

[0039]

As described above, according to the present invention, traveling
Optimal information is automatically selected according to the case where the state is determined and the case where the vehicle is stopped, thereby improving convenience.
You.

When the vehicle is in a running state , information of a predetermined type is
Information is displayed, and when the vehicle is stopped, information of the type selected arbitrarily can be displayed.
Only essential minimum digital information data to appear and the can be minimized interfere with driving.

When the vehicle is determined to be in the running state,
Display information constant type, by also selecting the operator when it is judged that stop state than information of a predetermined type is to be displayed without causing a non-display state of Viewing means,
Without the hassle of available operations available at all times traffic information.

Also, the traffic information is displayed while the car is running, and the traffic information is displayed when the arbitrarily selected type of information is not received while the car is stopped. without causing the state, Ru available at all times traffic information without the hassle of operation.

Further, traffic information is displayed while the vehicle is running, and while the vehicle is stopped, traffic information and information of an arbitrarily selected type can be selected and displayed by the operator. based information is Ru available.

[Brief description of the drawings]

FIG. 1 is a block circuit diagram showing a multiplex broadcast receiver according to Embodiment 1 of the present invention.

FIG. 2 is a flowchart of the first embodiment.

FIG. 3 is a flowchart of a second embodiment of the present invention.

FIG. 4 is a block circuit diagram showing a multiplex broadcast receiver according to Embodiment 3 of the present invention.

FIG. 5 is a flowchart when “arbitrary information type” is selected in the third embodiment.

FIG. 6 is a flowchart when “predetermined information type” is selected in the third embodiment.

FIG. 7 is a block circuit diagram showing a multiplex broadcast receiver according to Embodiment 4 of the present invention.

FIG. 8 is a flowchart when “traffic information” is automatically selected according to the fourth embodiment.

FIG. 9 is a flowchart of a running and stopped state of the fourth embodiment.

FIG. 10 is a flowchart of Embodiment 5 of the present invention.

FIG. 11 is a flowchart of Embodiment 6 of the present invention.

FIG. 12 is a block circuit diagram showing a multiplex broadcast receiver according to Embodiment 7 of the present invention.

FIG. 13 is a flowchart of the seventh embodiment.

FIG. 14 is a block circuit diagram of a conventional multiplex broadcast receiver.

FIG. 15 is a frequency spectrum diagram of an FM multiplex broadcast signal.

FIG. 16 is a diagram illustrating an example of digital information data of FM multiplex broadcasting.

FIG. 17 is a diagram showing an information display surface of an FM multiplex broadcast receiver.

FIG. 18 is a flowchart of a conventional one.

[Explanation of symbols]

 8 Data Decoding Circuit 9 Information Type Arbitrary Selection Circuit 10 Display 11 Microcomputer 12 Menu Switch 13 Up Switch 14 Down Switch 15 Information Type Selection Switch 16 Information Type Automatic Selection Circuit 17 Display Switching Switch 18 Running Pulse Input Terminal 19 Switching Display During Stop switch

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) H04B 1/16 H04H 1/00

Claims (6)

(57) [Claims] 1. A method for encoding and multiplexing information of different types.
Decoding means for receiving and decoding the broadcast wave; display means for displaying the information decoded by the decoding means; and display means for displaying the information decoded by the decoding means on the display means.
First selecting means for arbitrarily selecting a type to be indicated, and information of a predetermined type from information decoded by the decoding means.
Selecting means for selecting a vehicle and a discriminating means for discriminating a running state of a vehicle equipped with the receiver.
And the first selection is performed when the determination means determines that the vehicle is stopped.
The information selected by the selection means is displayed on the display means,
Information is selected by the second selecting means.
Switching means for switching to display the multiplexed broadcast. 2. When there is no selection by the first selection means,
The information selected by the second selection means is displayed on the display means.
Multiplex broadcasting receiver according to claim 1, characterized in that the so that. 3. The information decrypted by the decryption means includes a first
If there is no information of the type selected by the selection means, the second selection
The information selected by the selection means is displayed on the display means.
2. The multiplex broadcast receiver according to claim 1, wherein: 4. When the determining means determines that the vehicle is stopped,
And information selected by the first selecting means based on the selecting operation.
Information or information selected by the second selecting means.
Display switch for displaying the direction on the display means
The multiplex broadcast receiver according to any one of claims 1 to 3, characterized in that: 5. The information processing apparatus according to claim 1, wherein the first selecting means includes a plurality of information types.
It has priority selection means for selecting the priority,
The information selected by the first selection means is displayed on the display means.
When displaying, it is characterized by displaying based on the above priority.
The multiplex broadcast receiver according to any one of claims 1 to 4 . 6. A predetermined type of information selected by the second selecting means.
Wherein the information is traffic information.
A multiplex broadcast receiver according to claim 5 .