EP3174226B1 - Rundfunkempfangsvorrichtung und rundfunkempfangssteuerungsverfahren - Google Patents

Rundfunkempfangsvorrichtung und rundfunkempfangssteuerungsverfahren Download PDF

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Publication number
EP3174226B1
EP3174226B1 EP16197847.3A EP16197847A EP3174226B1 EP 3174226 B1 EP3174226 B1 EP 3174226B1 EP 16197847 A EP16197847 A EP 16197847A EP 3174226 B1 EP3174226 B1 EP 3174226B1
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EP
European Patent Office
Prior art keywords
broadcasting
reception
received
operating mode
reception system
Prior art date
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Active
Application number
EP16197847.3A
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English (en)
French (fr)
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EP3174226A1 (de
Inventor
Tomoya Hamaguchi
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Audi AG
Alps Alpine Co Ltd
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Audi AG
Alps Alpine Co Ltd
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Publication of EP3174226A1 publication Critical patent/EP3174226A1/de
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/26—Arrangements for switching distribution systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/20—Arrangements for broadcast or distribution of identical information via plural systems
    • H04H20/22—Arrangements for broadcast of identical information via plural broadcast systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/60—Aspects of broadcast communication characterised in that the receiver comprises more than one tuner

Definitions

  • the present invention relates to a technique in a broadcasting reception device, capable of switching a broadcasting service to be received from a broadcasting service during reception to another broadcasting service that has been broadcasting the same content as the broadcasting service.
  • a technique in a broadcasting reception device capable of switching a broadcasting service to be received from a broadcasting service during reception to another broadcasting service that has been broadcasting the same content as the broadcasting service
  • DAB digital audio broadcasting
  • the MRC method basically synchronizes a broadcasting signals received by reception systems corresponding to respective antennas, in phase, and weights the broadcasting signals in response to reception levels so as to combine the broadcasting signals.
  • one of the reception systems is used for receiving a DAB service and the other reception system is used for searching other DAB services that have been broadcasting the same content as the DAB service during reception.
  • DAB follow operation that switches a DAB service to be received to the other DAB service, is performed.
  • a search starts for the other DAB service in a reception state better than that of the DAB service during the reception after the diversity reception is completed due to a reason that even the diversity reception cannot correctly receive the DAB service, for example.
  • the reception of the DAB service is interrupted until the other DAB service is found from a point at which the diversity reception is completed.
  • an object of the present invention is to perform diversity reception with as little damage to a benefit of the broadcasting service follow operation as possible.
  • EP 2 372 926 A1 relates to a reception device which includes control during reproduction of the program broadcast from the target station for reproduction by the reception device in a combined reproduction mode or in a single reproduction mode, e. g. as shown in Fig. 7.
  • the combined reproduction mode is a mode in which reproduction output is performed on the basis of the result of reception of the broadcast wave from the target station for reproduction by both the main antenna and the sub-antenna
  • the single-reproduction mode is a mode in which reproduction output is performed on the basis of the result of reception of the broadcast wave from the target station for reproduction by only the main antenna.
  • Fig. 8 shows a flow chart of a reproduction control procedure by the device according to Fig. 1 .
  • the invention relates to a broadcasting reception device and method according to the independent claims. Embodiments are disclosed in the dependent claims.
  • a broadcasting reception device comprises all of the features recited in claim 1, wherein the broadcasting reception device configured to receive broadcasting includes especially: a first reception system configured to receive broadcasting; a second reception system configured to receive broadcasting; a diversity reception unit configured to perform diversity reception of broadcasting, using the first reception system and the second reception system; an output means configured to output content of the received broadcasting; and a control unit.
  • the control unit includes a first operating mode and a second operating mode as an operating mode.
  • the control unit determines one of the first reception system and the second reception system as a current reception system and another as a background reception system, causes the current reception system to receive broadcasting to be received, causes the output means to output content of the broadcasting received by the current reception system, causes the background reception system to detect reception states of respective pieces of broadcasting that have been broadcasting same content as the broadcasting to be received, and causes the broadcasting to be received to switch to any of pieces of broadcasting that have been broadcasting the same content as the broadcasting, in a favorable reception state, at predetermined timing.
  • the control unit causes the diversity reception unit to perform diversity reception of the broadcasting to be received, using the first reception system and the second reception system, and causes the output means to output content of the broadcasting received by the diversity reception unit.
  • the operating mode is in the first operating mode, in a case where the reception state of the broadcasting to be received in the current reception system degrades more than a predetermined first level, and in a case where an alternative broadcasting candidate is not present, the alternative broadcasting candidate being broadcasting in which the reception state detected by the background reception system is more favorable than a predetermined second level and that has been broadcasting the same content as the broadcasting to be received, the control unit switches the operating mode to the second operating mode, and in a case where the alternative broadcasting candidate is present, the control unit retains the operating mode in the first operating mode.
  • the broadcasting reception device may further have a configuration in which, in the first operating mode, the control unit switches the broadcasting to be received to alternative broadcasting at the predetermined timing at which the alternative broadcasting is detected by the background reception system, the alternative broadcasting broadcasting the same content as the broadcasting to be received, in the reception state more favorable than the reception state of the broadcasting to be received in the current reception system.
  • the broadcasting reception device may further have a configuration in which when the operating mode is in the second operating mode, the control unit switches the operating mode to the first operating mode in at least one case of a case where duration of the second operating mode has passed over predetermined time and a case where the broadcasting to be received cannot be correctly received by the diversity reception of the diversity reception unit.
  • the broadcasting may be, for example, FM audio broadcasting or digital audio broadcasting.
  • the broadcasting reception device including the two reception systems having the first reception system and the second reception system as a reception system for receiving the broadcasting, one of the reception systems being used for receiving the broadcasting to be received, the other being used for searching the broadcasting that has been broadcasting the same content as the broadcasting to be received, and the first operating mode in which the broadcasting to be received switches to other broadcasting detected by the broadcasting search, in a favorable reception state at the predetermined timing, when the reception state of the broadcasting to be received degrades more than the first level during the first operating mode, and only in a case where the alternative broadcasting candidate is not detected by the search, the alternative broadcasting candidate being broadcasting that has been broadcasting the same content as the broadcasting to be received, at a level more favorable than the second level, the first operating mode switches to the second operating mode and then the diversity reception starts with the first reception system and the second reception system.
  • the alternative broadcasting candidate is detected, the first operating mode remains.
  • the second level is set appropriately.
  • the alternative broadcasting candidate can be expected to be broadcasting that can be favorably received in the near future. Therefore, according to the embodiment of the present invention, in a case where broadcasting that can be expected to be broadcasting that can be favorably received in the near future, is present, when a reception state of the broadcasting becomes favorable, standby of switching of the broadcasting to be received to the broadcasting can be performed in preference to a start of the diversity reception.
  • the above operation inhibits occurrence of the above problems due to occurrence of broadcasting that has been broadcasting the same content as the broadcasting to be received, in a favorable state, during the diversity reception.
  • the broadcasting reception device configured to perform broadcasting service follow operation that switches the broadcasting service to be received to another broadcasting service in a reception state better than that of the broadcasting service during the reception, diversity reception can be performed with as little damage to a benefit of the broadcasting service follow operation as possible.
  • FIG. 1 illustrates a configuration of a radio broadcasting reception device according to an embodiment.
  • the radio broadcasting receiver is a radio broadcasting receiver with a position of the radio broadcasting receiver to be varied, such as a radio receiver built in a motor vehicle or a portable radio receiver.
  • the radio broadcasting receiver includes a first DAB tuner 1, a second DAB tuner 2, an FM tuner 3, an output selector 4, an amplifier 5, a speaker 6, a control unit 7, a display unit 8, and an operating unit 9.
  • the second DAB tuner 2 is a receiving unit that receives radio broadcasting based on DAB broadcasting standards.
  • the second DAB tuner 2 includes a DAB front end 21 and a decoder 22. From the control unit 7, the DAB front end 21 detects a broadcasting signal on a frequency channel on which a service set as a reception service is broadcasted, and outputs the broadcasting signal as a reception signal.
  • the decoder 22 decodes an audio signal of the reception service from the reception signal received by the DAB front end 21, and outputs the decoded audio signal to the output selector 4.
  • the decoder 22 also performs processing of extracting and transmitting control information included in the reception signal to the control unit 7.
  • the DAB can broadcast a plurality of pieces of audio broadcasting on one frequency channel.
  • a piece of sound broadcasting corresponds to one service.
  • the first DAB tuner 1 is a receiving unit that receives radio broadcasting based on DAB broadcasting standards.
  • the first DAB tuner 1 includes a DAB front end 11, a decoder 12, a diversity reception processing unit 13, and a selector 14. From the control unit 7, the DAB front end 11 detects a broadcasting signal on a frequency channel on which a service set as a reception service is broadcasted, and outputs the broadcasting signal as a reception signal.
  • the diversity reception processing unit 13 combines the reception signal output by the DAB front end 11 and the reception signal output by the DAB front end 21 of the second tuner, based on the MRC method. The diversity reception processing unit 13 outputs a combined reception signal.
  • the selector 14 outputs one of the reception signal output by the DAB front end 11 and the reception signal output by the diversity reception processing unit 13, to the decoder 12.
  • the decoder 12 decodes an audio signal of a reception service from the reception signal output from the selector 14, and outputs the decoded sound signal to the output selector 4.
  • the decoder 12 also performs processing of extracting and transmitting control information included in the reception signal, to the control unit 7.
  • the FM tuner 3 is a receiving unit that receives radio broadcasting based on broadcasting standards of FM broadcasting.
  • the FM tuner 3 includes an FM front end 31, an FM demodulating unit 32, and an RDS decoder 33.
  • the FM front end 31 receives a frequency channel of a station set as a reception station, from the control unit 7.
  • the FM demodulating unit 32 demodulates an audio signal from a reception signal received by the FM front end 31, and outputs the audio signal to the output selector 4.
  • the RDS decoder 33 decodes control information from a data signal that has been multiplexed in an audio signal and has been transmitted, and transmits the decoded control information to the control unit 7.
  • FM broadcasting performs a piece of audio broadcasting on one frequency channel.
  • a piece of audio broadcasting corresponds to one station.
  • the output selector 4 selects and outputs any of the audio signals output by the respective first DAB tuner 1, second DAB tuner 2, and FM tuner 3, to the amplifier 5.
  • the amplifier 5 amplifies the audio signal output from the output selector 4, and outputs the amplified audio signal to the speaker 6.
  • the DAB front end 11 and the decoder 12 of the first DAB tuner 1 and the DAB front end 21 and the decoder 22 of the second DAB tuner 2 notify the control unit 7 of information according to reception quality of a DAB service during reception, such as reception electric field intensity, SN ratio, and an error rate of reception data.
  • the FM front end 31 of the FM tuner 3 notifies the control unit 7 of information according to reception quality of a station during reception, such as reception electric field intensity and SN ratio.
  • the control unit 7 calculates the reception quality of the DAB service in which the first DAB tuner 1 and the second DAB tuner 2 have been performing reception operation, from the information according to the reception quality of the DAB service, notified by the first DAB tuner 1 and the second DAB tuner 2.
  • the control unit 7 calculates the reception quality of the FM broadcasting station in which the FM tuner 3 has been performing reception operation, from the information according to the reception quality of the FM broadcasting notified by the FM front end 31 of the FM tuner 3.
  • the control information transmitted to the control unit 7 by the decoder 12 of the first DAB tuner 1 and the decoder 22 of the second DAB tuner 2 includes, for example, an SID indicating identification of the service during the reception, service linking information and following information that indicate a DAB service and an FM broadcasting station broadcasting a program with the same content.
  • the control information transmitted to the control unit 7 by the RDS decoder 33 of the FM tuner 3 includes, for example, a program identifier PI to be an identifier of a program that is FM-broadcasted from the station on the frequency channel during the reception, and an AF indicating an FM broadcasting station that has been broadcasting a program with the same content.
  • the control unit 7 identifies the DAB service and the FM broadcasting station that have been broadcasting the program with the same content, based on these pieces of control information transmitted by the first DAB tuner 1, the second DAB tuner 2, and the FM tuner 3.
  • This type of radio broadcasting reception device includes a DAB single reception mode, a DAB diversity reception mode, and an FM reception mode, as an operating mode controlled by the control unit 7.
  • the control unit 7 sets one of the first DAB tuner 1 and the second DAB tuner 2 as a current tuner and the other as a background tuner.
  • a service to be received is set, as a reception service, into the current tuner.
  • reception of the service to be received is performed, and also the output selector 4 outputs an audio signal output by the current tuner, to the speaker 6 through the amplifier 5.
  • the control unit 7 cyclically sets DAB services broadcasting a program with the same content as the service to be received, as a reception service, into the background tuner.
  • the control unit 7 performs a DAB search that detects reception quality of each of the DAB services that have been broadcasting the program with the same content as the service to be received. Note that, in the DAB single reception mode, the selector 14 of the first DAB tuner 1 is set so as to output the reception signal output by the DAB front end 11 to the decoder 12.
  • the control unit 7 performs DAB follow control operation that switches the service to be received to the found other service.
  • the DAB follow control operation may be performed by renewing the reception service of the current tuner to the found other service.
  • the background tuner and the current tuner are interchanged so that an output audio of the speaker 6 is seamless and continuous before and after switching. In this manner, the DAB follow control operation may be performed.
  • the control unit 7 cyclically sets FM broadcasting stations that have been broadcasting a program with the same content as the service to be received, as a reception station, into the FM tuner 3.
  • the control unit 7 performs a FM search that detects reception quality of each of the FM broadcasting stations that have been broadcasting the program with the same content as the service to be received.
  • the control unit 7 causes both of the first DAB tuner 1 and the second DAB tuner 2 to receive the service to be received.
  • the selector 14 of the first DAB tuner 1 outputs the reception signal output by the diversity reception processing unit 13, to the decoder 12.
  • the output selector 4 outputs the audio signal output by the first DAB tuner 1 to the speaker 6 through the amplifier 5. Then, diversity reception of the service to be received is performed.
  • the control unit 7 uses the FM tuner 3 so as to perform the above FM search.
  • the control unit 7 causes the FM tuner 3 to receive a station to be received.
  • the output selector 4 outputs the audio signal output by the FM tuner 3 to the speaker 6 through the amplifier 5.
  • the control unit 7 sets the second DAB tuner 2 as the background tuner.
  • the control unit 7 performs the DAB search that cyclically detects the reception quality of each of the DAB services that have been broadcasting a program with the same content as the station to be received, using the background tuner.
  • Mode switching processing performed by the control unit 7 in order to switch the above operation mode will be described below.
  • the mode switching processing starts when indication for starting broadcasting reception is received from a user.
  • FIG. 2 illustrates a process of the mode switching processing.
  • the DAB single reception mode is set (Step 202).
  • a service designated by the user or a previous and latest service to be received is set as a service to be received, and reception of the service to be received starts (Step 204).
  • reception quality QCR of the service to be received in the above current tuner degrades more than a predetermined threshold value Th1 (Step 206).
  • reception quality QCR degrades more than the predetermined threshold value Th1
  • the threshold value Th1 is previously set as a value of a predetermined margin added to the reception quality in which the service cannot be correctly received.
  • the alternative DAB service candidate is a DAB service that has been broadcasting a program with the same content as the service to be received in the current tuner.
  • the alternative DAB service is a service in which the reception quality detected by the above DAB search is at a level Qa or more.
  • As a value of the level Qa a minimum value of the reception quality in which the service can be correctly received or a value close to the minimum value of the reception quality in which the service can be correctly received, is previously set.
  • Step 208 When the alternative DAB service candidate is present (Step 208), the processing goes back to Step 206.
  • the operating mode switches to the DAB diversity reception mode (Step 210). As described above, the diversity reception of the service to be received that has been received by the current tuner, starts.
  • Step 212 occurrence of a state where duration of the DAB diversity reception mode is T1 (for example, 240 sec) or more (Step 212), occurrence of a state where the reception quality QCR of the service to be received in the first DAB tuner 1 or the second DAB tuner 2 is more favorable than a predetermined threshold value Th0 (Step 214), occurrence of a state where the reception quality QCR is less than a predetermined threshold value Th3 (Step 216), and occurrence of a state where the reception quality QCR is less than a predetermined threshold value Th2 (Step 218), are monitored.
  • T1 for example, 240 sec
  • Step 212 occurrence of a state where the reception quality QCR of the service to be received in the first DAB tuner 1 or the second DAB tuner 2 is more favorable than a predetermined threshold value Th0
  • Th3 occurrence of a state where the reception quality QCR is less than a predetermined threshold value Th3
  • Th2 occurrence of a state where the reception quality Q
  • Th0 is a minimum value of the reception quality in which the service can be sufficiently and favorably received.
  • Th2 is a maximum value of the reception quality in which a defect occurs in the reception of the service even by the diversity reception.
  • Th3 is the reception quality indicating that the service has not been received.
  • Step 212 When any of the state where the duration of the DAB diversity reception mode is T1 (for example, 240 sec) or more (Step 212), the state where the reception quality QCR of the service to be received in the first DAB tuner 1 or the second DAB tuner 2 is more favorable than the predetermined threshold value Th0 (Step 214), and the state where the reception quality QCR is less than the predetermined threshold value Th3 (Step 216), occurs, the operation mode switches back to the DAB single reception mode (Step 226). The processing goes back to Step 206.
  • T1 for example, 240 sec
  • Th0 the state where the reception quality QCR of the service to be received in the first DAB tuner 1 or the second DAB tuner 2 is more favorable than the predetermined threshold value Th0
  • Th3 the state where the reception quality QCR is less than the predetermined threshold value Th3
  • the alternative FM station is a station at a level at which the reception quality detected by the above FM search can be correctly received, in the FM broadcasting stations that have been broadcasting a program with the same content as the service to be received during the diversity reception.
  • Step 226 When the alternative FM station is not present, the operating mode switches back to the DAB single reception mode (Step 226). The processing goes back to Step 206.
  • the FM reception mode is set as the operating mode.
  • the alternative FM station is set as the station to be received.
  • the station to be received is set as a reception station into the FM tuner 3. Then, reception of the alternative FM station starts (Step 222).
  • Step 224 When the FM reception mode is set, occurrence of the alternative DAB service is waited (Step 224).
  • the alternative DAB service occurs, the operating mode switches back to the DAB single reception mode (Step 226).
  • the alternative DAB service is set as the service to be received.
  • the service to be received is set as the reception service into the current tuner. The processing goes back to Step 206.
  • the alternative DAB service is a service at a level at which the reception quality detected by the above DAB search is sufficient and favorable, in the DAB services that have been broadcasting a program with the same content as the station to be received that has been received by the FM tuner 3.
  • FIGS. 3a to 3c illustrate the exemplary reception operation of the radio broadcasting reception device by the above mode switching processing.
  • the DAB single reception mode is determined as the operating mode and a service S1 is set as the service to be received.
  • the service S1 and a service S2 are DAB services that have been broadcasting a program with the same content.
  • the DAB search detects that the reception quality of the service S2 has been more favorable than the reception quality of the service S1 at time T2, the service to be received switches from the service S1 to the service S2.
  • the reception quality of the service S2 to be received has been more favorable than the threshold value Th1 at time T3, the reception of the service S2 to be received is stably performed on and after.
  • FIG. 3c illustrates, as a comparative example, the operation in a case where the operating mode has switched to the DAB diversity reception mode when the reception quality of the service S1 to be received degrades more than the threshold value Th1 at the time T1.
  • the diversity reception of the service S1 to be received using the first DAB tuner 1 and the second DAB tuner 2 starts from the time T1.
  • the DAB search is not performed by the background tuner.
  • the operating mode switches back to the DAB single reception mode and then the DAB search by the background tuner resumes.
  • the DAB search detects the service S2 having reception quality more favorable than that of the service S1 to be received, the service to be received switches from the service S1 to the service S2. Then, the reception of the service S2 starts.
  • time Td is required to find the service S2 by the DAB search until the service to be received switches to the service S2 after the operating mode has switched back to the DAB single reception mode.
  • the service cannot be received and cannot be output to the user.
  • no condition in which the service cannot be received and cannot be output to the user occurs as illustrated in FIG. 3b with respect to the condition in FIG. 3a .
  • the operating mode immediately switches to the DAB diversity reception mode at the time T1. Then, the diversity reception of the service S1 to be received starts using the first DAB tuner 1 and the second DAB tuner 2 from the time T1.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Circuits Of Receivers In General (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Claims (6)

  1. Rundfunkempfangsvorrichtung, die dazu eingerichtet ist, Rundfunk zu empfangen, wobei die Rundfunkempfangsvorrichtung umfasst:
    ein erstes Empfangssystem (1), das dazu eingerichtet ist, Rundfunk zu empfangen;
    ein zweites Empfangssystem (2), das dazu eingerichtet ist, Rundfunk zu empfangen;
    eine Diversity-Empfangseinheit (13), die dazu eingerichtet ist, einen Diversity-Empfang von Rundfunk unter Verwendung des ersten Empfangssystems (1) und des zweiten Empfangssystems (2) durchzuführen;
    eine Ausgabeeinrichtung (4, 5, 6), die dazu eingerichtet ist, Inhalt des empfangenen Rundfunks auszugeben; und
    eine Steuereinheit (7), und
    wobei die Steuereinheit (7) einen ersten Betriebsmodus und einen zweiten Betriebsmodus als Betriebsmodus umfasst,
    im ersten Betriebsmodus die Steuereinheit (7) dazu eingerichtet ist, eines des ersten Empfangssystems (1) und des zweiten Empfangssystems (2) als aktuelles Empfangssystem und das andere als Hintergrundempfangssystem zu bestimmen, zu bewirken, dass das aktuelle Empfangssystem zu empfangenden Rundfunk empfängt, zu bewirken, dass die Ausgabeeinrichtung (4, 5, 6) Inhalt des Rundfunks ausgibt, der durch das aktuelle Empfangssystem empfangen wird, zu bewirken, dass das Hintergrundempfangssystem Empfangszustände von jeweiligen Teilen von Rundfunk detektiert, die denselben Inhalt wie den zu empfangenden Rundfunk ausgestrahlt haben, und zu bewirken, dass der zu empfangende Rundfunk auf irgendwelche von Teilen des Rundfunks, die denselben Inhalt wie den Rundfunk ausgestrahlt haben, in einem Empfangszustand mit einer Empfangsqualität, die günstiger ist als die Empfangsqualität des Rundfunks, der durch das aktuelle Empfangssystem empfangen wird, zu einem vorbestimmten Zeitpunkt (T2) umschaltet,
    im zweiten Betriebsmodus die Steuereinheit (7) dazu eingerichtet ist zu bewirken, dass die Diversity-Empfangseinheit einen Diversity-Empfang des zu empfangenden Rundfunks unter Verwendung des ersten Empfangssystems (1) und des zweiten Empfangssystems (2) durchführt, und zu bewirken, dass die Ausgabeeinrichtung (4, 5, 6) Inhalt des Rundfunks ausgibt, der durch die Diversity-Empfangseinheit (13) empfangen wird, dadurch gekennzeichnet, dass,
    wenn sich der Betriebsmodus im ersten Betriebsmodus befindet, in einem Fall, in dem der Empfangszustand des zu empfangenden Rundfunks im aktuellen Empfangssystem sich mehr als ein vorbestimmtes erstes Niveau (Th1) verschlechtert, und nur in einem Fall, in dem ein alternativer Rundfunkkandidat nicht vorhanden ist, wobei der alternative Rundfunkkandidat ausstrahlt, wobei der Empfangszustand, der durch das Hintergrundempfangssystem detektiert wird, günstiger ist als ein vorbestimmtes zweites Niveau (Qa), und der denselben Inhalt wie den zu empfangenden Rundfunk ausgestrahlt hat, wobei als Wert des vorbestimmten zweiten Niveaus (Qa) ein minimaler Wert der Empfangsqualität, in der der alternative Rundfunkkandidat korrekt empfangen werden kann, vorher festgelegt wird, und das vorbestimmte zweite Niveau (Qa) niedriger ist als das vorbestimmte erste Niveau (Th1), die Steuereinheit (7) dazu eingerichtet ist, den Betriebsmodus auf den zweiten Betriebsmodus umzuschalten, und in einem Fall, in dem der alternative Rundfunkkandidat vorhanden ist, die Steuereinheit (7) dazu eingerichtet ist, den Betriebsmodus im ersten Betriebsmodus zu halten.
  2. Rundfunkempfangsvorrichtung nach Anspruch 1, wobei im ersten Betriebsmodus die Steuereinheit (7) dazu eingerichtet ist, den zu empfangenden Rundfunk auf alternativen Rundfunk zum vorbestimmten Zeitpunkt umzuschalten, zu dem der alternative Rundfunk durch das Hintergrundempfangssystem detektiert wird, wobei der alternative Rundfunk denselben Inhalt wie den zu empfangenden Rundfunk im Empfangszustand ausstrahlt, der günstiger ist als der Empfangszustand des zu empfangenden Rundfunks im aktuellen Empfangssystem.
  3. Rundfunkempfangsvorrichtung nach Anspruch 1 oder 2, wobei, wenn sich der Betriebsmodus im zweiten Betriebsmodus befindet, die Steuereinheit (7) dazu eingerichtet ist, den Betriebsmodus auf den ersten Betriebsmodus in mindestens einem Fall eines Falls, in dem die Dauer des zweiten Betriebsmodus über eine vorbestimmte Zeit vergangen ist, und einem Fall, in dem der zu empfangende Rundfunk durch den Diversity-Empfang der Diversity-Empfangseinheit (13) nicht korrekt empfangen werden kann, umzuschalten.
  4. Rundfunkempfangsvorrichtung nach einem der Ansprüche 1 bis 3, wobei der Rundfunk FM-Audiorundfunk oder digitaler Audiofundfunk ist.
  5. Rundfunkempfangssteuerverfahren zum Steuern von Rundfunkempfang in einer Rundfunkempfangsvorrichtung, die umfasst: ein erstes Empfangssystem (1), das dazu eingerichtet ist, Rundfunk zu empfangen; ein zweites Empfangssystem (2), das dazu eingerichtet ist, Rundfunk zu empfangen; eine Diversity-Empfangseinheit (13), die dazu eingerichtet ist, einen Diversity-Empfang von Rundfunk unter Verwendung des ersten Empfangssystems (1) und des zweiten Empfangssystems (2) durchzuführen; und eine Ausgabeeinrichtung (4, 5, 6), die dazu eingerichtet ist, Inhalt des empfangenen Rundfunks auszugeben, wobei das Rundfunkempfangssteuerverfahren umfasst:
    Umschalten von zu empfangendem Rundfunk auf irgendeinen von Teilen von Rundfunk, die denselben Inhalt wie den Rundfunk in einem Empfangszustand mit einer Empfangsqualität ausgestrahlt haben, die günstiger ist als die Empfangsqualität des empfangenen Rundfunks, zu einem vorbestimmten Zeitpunkt (T2) durch Bestimmen von einem des ersten Empfangssystems (1) und des zweiten Empfangssystems (2) als aktuelles Empfangssystem und des anderen als Hintergrundempfangssystem, Bewirken, dass das aktuelle Empfangssystem den zu empfangenden Rundfunk empfängt, Bewirken, dass die Ausgabeeinrichtung (4, 5, 6) Inhalt des Rundfunks ausgibt, der durch das aktuelle Empfangssystem empfangen wird, und dann Bewirken, dass das Hintergrundempfangssystem Empfangszustände von jeweiligen Teilen von Rundfunk detektiert, die denselben Inhalt wie den zu empfangenden Rundfunk ausgestrahlt haben, während einer Periode, während der ein erster Betriebsmodus als Betriebsmodus festgelegt wurde, durch die Rundfunkempfangsvorrichtung;
    Bewirken, dass die Ausgabeeinrichtung (4, 5, 6) Inhalt von Rundfunk ausgibt, der durch die Diversity-Empfangseinheit (13) empfangen wird, durch Bewirken, dass die Diversity-Empfangseinheit (13) den Diversity-Empfang des zu empfangenden Rundfunks mit dem ersten Empfangssystem (1) und dem zweiten Empfangssystem (2) durchführt, während einer Periode, während der ein zweiter Betriebsmodus als Betriebsmodus festgelegt wurde, durch die Rundfunkempfangsvorrichtung; dadurch gekennzeichnet, dass das Rundfunkempfangssteuerverfahren ferner umfasst:
    Umschalten des Betriebsmodus auf den zweiten Betriebsmodus, wenn sich der Betriebsmodus im ersten Betriebsmodus befindet, in einem Fall, in dem ein Empfangszustand des zu empfangenden Rundfunks im aktuellen Empfangssystem sich mehr als ein vorbestimmtes erstes Niveau (Th1) verschlechtert, und nur in einem Fall, in dem ein alternativer Rundfunkkandidat nicht vorhanden ist, wobei der alternative Rundfunkkandidat ausstrahlt, wobei der durch das Hintergrundempfangssystem detektierte Empfangszustand günstiger ist als ein vorbestimmtes zweites Niveau (Qa), und der denselben Inhalt wie den zu empfangenden Rundfunk ausgestrahlt hat, wobei als Wert des vorbestimmten zweiten Niveaus (Qa) ein minimaler Wert der Empfangsqualität, in der der alternative Rundfunkkandidat korrekt empfangen werden kann, vorher festgelegt wird, und das vorbestimmte zweite Niveau (Qa) niedriger ist als das vorbestimmte erste Niveau (Th1), und Halten des Betriebsmodus im ersten Betriebsmodus in einem Fall, in dem der alternative Rundfunkkandidat vorhanden ist, durch die Rundfunkempfangsvorrichtung.
  6. Rundfunkempfangssteuerverfahren nach Anspruch 5, das ferner das Umschalten des zu empfangenden Rundfunks auf alternativen Rundfunk zum vorbestimmten Zeitpunkt umfasst, zu dem der alternative Rundfunk durch das Hintergrundempfangssystem detektiert wird, wobei der alternative Rundfunk denselben Inhalt wie den zu empfangenden Rundfunk im Empfangszustand ausstrahlt, der günstiger ist als der Empfangszustand des zu empfangenden Rundfunks im aktuellen Empfangssystem, während der Periode, während der der erste Betriebsmodus festgelegt wurde, durch die Rundfunkempfangsvorrichtung.
EP16197847.3A 2015-11-26 2016-11-08 Rundfunkempfangsvorrichtung und rundfunkempfangssteuerungsverfahren Active EP3174226B1 (de)

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JP3853002B2 (ja) 1997-01-14 2006-12-06 富士通テン株式会社 デジタルオーディオ放送用受信機のネットワークフォロー装置
JP3614301B2 (ja) 1998-05-28 2005-01-26 パイオニア株式会社 ディジタル放送受信機
JP4614906B2 (ja) * 2005-07-26 2011-01-19 アルパイン株式会社 受信装置
JP2007288631A (ja) * 2006-04-19 2007-11-01 Sony Corp ダイバーシティ受信機
WO2010061439A1 (ja) * 2008-11-26 2010-06-03 パイオニア株式会社 受信装置、受信処理方法、受信処理プログラム及び記録媒体
JP5433267B2 (ja) 2009-03-19 2014-03-05 富士通テン株式会社 車載装置
EP2432217B1 (de) * 2009-05-14 2018-11-28 Mitsubishi Electric Corporation Vorrichtung zum empfangen digitaler rundfunkinhalte
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