CN110855391A - Sound source switching method and system for vehicle-mounted radio - Google Patents
Sound source switching method and system for vehicle-mounted radio Download PDFInfo
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- CN110855391A CN110855391A CN201810954971.8A CN201810954971A CN110855391A CN 110855391 A CN110855391 A CN 110855391A CN 201810954971 A CN201810954971 A CN 201810954971A CN 110855391 A CN110855391 A CN 110855391A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
- H04H20/61—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast
- H04H20/62—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast for transportation systems, e.g. in vehicles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/29—Arrangements for monitoring broadcast services or broadcast-related services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
- H04H60/81—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
- H04H60/82—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself the transmission system being the Internet
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Abstract
The invention provides a method and a system for switching radio sound sources.A vehicle-mounted terminal receives a broadcast signal sent by a broadcast station and listens to a radio station program; the vehicle-mounted terminal sends the radio station frequency of the radio station program to the network server, and the network server identifies the radio station frequency to obtain the program content matched with the radio station program; the vehicle-mounted terminal detects the signal-to-noise ratio of the broadcast signal; when the signal-to-noise ratio is greater than or equal to a first preset value, continuing to receive a broadcast signal sent by a broadcast station to listen to a station program; when the signal-to-noise ratio is smaller than the first preset value, the vehicle-mounted terminal receives the network signal sent by the network server to listen to the program content matched with the radio station program, so that the radio user can still clearly continue to listen to the radio station program by using the program content transmitted by the network server under the condition that the broadcast signal is poor, and the user experience is greatly improved.
Description
Technical Field
The invention relates to the technical field of radio sound source processing, in particular to a vehicle-mounted radio sound source switching method and system.
Background
In recent years, radio functionality has become a fundamental function of many handheld mobile devices as well as in-vehicle entertainment systems. People often listen to FM radio to relax mood and obtain real-time information during commuting or traveling.
However, FM radio stations of the existing vehicles can only be listened to locally, and cannot be listened to if the vehicles are out of the city. Even in the city, the broadcast signal is not good because the broadcast signal is often blocked by a high building in the process of driving the vehicle, or the broadcast signal is not basically available in a tunnel, an underground garage and other special environments. In such an environment, the signal received by the radio receiver may have loud noise, which may seriously degrade the experience of the radio user.
In response to the above problems, those skilled in the art have sought solutions.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a method and a system for switching the sound source of a vehicle-mounted radio, which can realize seamless connection of network signals and broadcast signals when the quality of the broadcast signals is poor, so that a radio user can still clearly continue to listen to radio programs by using program contents transmitted by the network signals in places with poor broadcast signals, and the experience of the radio user is greatly improved.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a method for switching the sound source of a vehicle-mounted radio is applied among a vehicle-mounted terminal, a broadcasting station and a network server and comprises the following steps: the vehicle-mounted terminal receives a broadcast signal sent by a broadcast station to play a radio station program; the vehicle-mounted terminal sends the radio station frequency of the radio station program to the network server, and the network server acquires the program content matched with the radio station program in real time according to the radio station frequency; the vehicle-mounted terminal detects the signal-to-noise ratio of the broadcast signal; if the signal to noise ratio is larger than or equal to a first preset value, the vehicle-mounted terminal continues to receive the broadcast signal sent by the broadcast station so as to continue to play the radio station program; if the signal to noise ratio is smaller than the first preset value, the vehicle-mounted terminal sends a request signal to the network server; the network server receives the request signal and sends the program content matched with the radio station program to the vehicle-mounted terminal through the network, and the vehicle-mounted terminal receives and plays the program content matched with the radio station program and sent by the network server.
In a preferred embodiment of the present invention, the step of the network server receiving the request signal and sending the program content matched with the radio station program to the vehicle-mounted terminal through the network, and the step of the vehicle-mounted terminal receiving and playing the program content matched with the radio station program sent by the network server includes: the vehicle-mounted terminal detects the signal-to-noise ratio of the broadcast signal again; if the signal to noise ratio is smaller than a second preset value, the vehicle-mounted terminal continues to acquire and play program content matched with the radio station program by receiving a network signal sent by the network server; and if the signal-to-noise ratio is greater than a second preset value, the vehicle-mounted terminal plays the radio station program by receiving the broadcast signal sent by the broadcast station.
In a preferred embodiment of the present invention, the first preset value is smaller than the second preset value.
In a preferred embodiment of the present invention, the step of the network server receiving the request signal and sending the program content matched with the radio station program to the vehicle-mounted terminal through the network, where the step of the vehicle-mounted terminal receiving and playing the program content matched with the radio station program sent by the network server includes: the vehicle-mounted terminal sends a request signal to the network server and continues to receive the broadcast signal sent by the broadcast station so as to play the radio station program; after receiving the request signal, the network server sends the program content matched with the radio station program to the vehicle-mounted terminal through a network; and the vehicle-mounted terminal receives and plays the program content which is sent by the network server and is matched with the radio station program.
In a preferred embodiment of the present invention, the step of sending the radio station frequency of the radio station program to the network server by the vehicle-mounted terminal, and the step of acquiring, by the network server, the program content matched with the radio station program in real time according to the radio station frequency includes: and the vehicle-mounted terminal sends the radio station frequency of the radio station program and the position information of the vehicle to the network server, and the network server acquires the program content matched with the radio station program in real time according to the radio station frequency and the position information of the vehicle.
In a preferred embodiment of the present invention, the network server obtains the radio station program information according to the radio station frequency and/or the vehicle position information, and returns the radio station program information to the vehicle-mounted terminal, where the radio station program information includes a radio station name.
In a preferred embodiment of the present invention, the step of sending the station frequency of the station program to the network server by the vehicle-mounted terminal includes: when the signal to noise ratio is smaller than a third preset value, the vehicle-mounted terminal sends the radio station frequency of the radio station program to the network server; or the vehicle-mounted terminal sends the switched radio station frequency to the network server when receiving the radio station frequency switching instruction.
In a preferred embodiment of the present invention, the third preset value is greater than or equal to the first preset value.
In a preferred embodiment of the present invention, the step of detecting the signal-to-noise ratio of the broadcast signal by the vehicle-mounted terminal includes: the vehicle-mounted terminal detects the signal-to-noise ratio in real time; or the vehicle-mounted terminal detects the signal-to-noise ratio when the position area of the vehicle changes.
A car radio source switching system, characterized in that, the system includes: a vehicle-mounted terminal and a network server; the vehicle-mounted terminal receives a broadcast signal sent by a broadcast station to play a station program, sends the station frequency of the station program to the network server, continues to receive the broadcast signal sent by the broadcast station to continue to play the station program when the signal-to-noise ratio is greater than or equal to a first preset value, and sends a request signal to the network server when the signal-to-noise ratio is less than the first preset value; the network server acquires the program content matched with the radio station program in real time according to the radio station frequency, and sends the program content matched with the radio station program to the vehicle-mounted terminal through a network when receiving the request signal; and the vehicle-mounted terminal is also used for receiving and playing the program content which is sent by the network server and matched with the radio station program.
The technical effect achieved by adopting the technical scheme is as follows: under the condition that the broadcast signals are not good, the radio user can still clearly listen to the radio station program continuously by using the program content transmitted by the network server, so that the user experience is greatly improved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are specifically described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a flowchart illustrating a method for switching audio sources of a car radio according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of an application environment of the car radio audio source switching method shown in FIG. 1;
FIG. 3 is a schematic structural diagram of a car radio audio source switching system according to a second embodiment of the present invention.
Detailed Description
To further illustrate the technical measures and effects taken by the present invention to achieve the intended objects, embodiments of the present invention will be described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. While the present invention has been described in connection with the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalent arrangements, and specific embodiments thereof.
FIG. 1 is a flowchart illustrating a method for switching audio sources of a car radio according to a first embodiment of the present invention. FIG. 2 is a schematic diagram of an application environment of the car radio audio source switching method shown in FIG. 1. As shown in fig. 2, the method shown in fig. 1 is applied between a broadcasting station, a vehicle-mounted terminal 1, and a network server 2.
As shown in fig. 1, the method comprises the steps of:
step S10: the vehicle-mounted terminal receives a broadcast signal sent by a broadcast station so as to play a radio program.
Specifically, in an embodiment, the in-vehicle terminal 1 may, but is not limited to, enable a radio receiving module in the in-vehicle terminal 1 to start receiving a broadcast signal sent by a broadcast station after receiving a radio on instruction of a user, so as to play a station program.
Step S11: the vehicle-mounted terminal sends the radio station frequency of the radio station program to the network server, and the network server acquires the program content matched with the radio station program in real time according to the radio station frequency.
Specifically, in an embodiment, the in-vehicle terminal 1 may transmit the station frequency to the network server 2 in real time after receiving the broadcast signal, that is, in the present embodiment, the in-vehicle radio source switching method performs step S11 after performing step S10, but the present invention is not limited thereto. For example, in another embodiment, the in-vehicle terminal 1 may also transmit the switched station frequency to the network server 2 when receiving an instruction to switch the station frequency.
In an embodiment, the network server 2 may further obtain program content and station program information matched with the station program in real time according to the station frequency, and send the station program information to the vehicle-mounted terminal 1, so that a user knows the station program information of a currently listened broadcast station, where the station program information includes a station name, a station program list, and the like.
In an embodiment, if the broadcast station is a short-wave radio station, the same radio station frequency in different regions may correspond to different radio station programs, and therefore, the vehicle-mounted terminal 1 needs to send both the radio station frequency of the radio station program and the location information of the vehicle to the network server 2, and the network server 2 can accurately acquire the program content matched with the radio station frequency of the broadcast station according to the radio station frequency and the location information of the vehicle.
Further, the web server 2 retrieves station program information from the database based on the station frequency and the vehicle position information, and transmits the station program information to the in-vehicle terminal 1. The in-vehicle terminal 1 displays the radio program information on the display screen after receiving the radio program information.
And step S12, the vehicle-mounted terminal detects the signal-to-noise ratio of the broadcast signal.
Specifically, in the present embodiment, the in-vehicle terminal 1 detects the signal-to-noise ratio of the broadcast signal in real time. For example, in other embodiments, the in-vehicle terminal 1 may detect the signal-to-noise ratio of the broadcast signal at regular time or when detecting that the area information where the position of the vehicle is changed. The change of the area where the position of the vehicle is located may be a change of an administrative city area where the position of the vehicle is located, for example, the change of the position of the vehicle from an administrative district in Shanghai city to an administrative district in Suzhou city, but the present invention is not limited thereto, and the change of the position of the vehicle may also be a change of the position of the vehicle from a first area to a second area, where a difference between signal strengths of the broadcast signals of the first area and the second area is greater than a threshold value.
Step S13: and judging whether the signal-to-noise ratio is greater than or equal to a first preset value.
The first preset value is a critical value of the signal-to-noise ratio of the broadcast signal set by a user or stored by default in the system. Specifically, in this embodiment, it is considered that when the signal-to-noise ratio of the broadcast signal is greater than or equal to the first preset value, the user can clearly listen to the radio program content. After the signal-to-noise ratio of the broadcast signal is smaller than the first preset value, a user can hear split voice when listening to a radio station program, and user experience is affected.
If the snr is greater than or equal to the first preset value, go to step S14: the vehicle-mounted terminal continues to receive the broadcast signals sent by the broadcast station so as to play the program of the broadcast station.
Specifically, in an embodiment, when the signal-to-noise ratio of the broadcast signal is greater than or equal to the first preset value, the user can still clearly listen to the program content of the station using the broadcast signal, so that the program content matched with the station transmitted by the network server 2 does not need to be received.
If the signal-to-noise ratio is smaller than the first preset value, step S15 is entered: the vehicle-mounted terminal sends a request signal to the network server.
Specifically, in one implementation, after receiving the request of the in-vehicle terminal 1, the network server sends the program content matched with the radio station program to the in-vehicle terminal 1 in time.
Step S16: and the vehicle-mounted terminal receives and plays the program content which is sent by the network server and is matched with the radio station program.
Specifically, when the signal-to-noise ratio of the broadcast signal is smaller than the first preset value, the user may listen to split end noise while listening to the broadcast, which may affect the user experience, and therefore, switching to receiving and playing the program content, which is sent by the network server 2 and matches with the radio station program, may avoid hearing split end noise, thereby improving the user experience.
Specifically, the steps S15 and S16 include: after the network server 2 sends the request signal, the vehicle-mounted terminal 1 continues to broadcast the radio program through the broadcast signal, the network server 2 receives the request signal and sends the program content matched with the radio program to the vehicle-mounted terminal 1 through the network, and the vehicle-mounted terminal 1 receives and broadcasts the program content matched with the radio program sent by the network server 2. After the network server 2 sends the request signal, the vehicle-mounted terminal 1 continues to play the radio program through the broadcast signal, so that the situation that the radio program cannot be listened to in the process that the vehicle-mounted terminal 1 receives and plays the program content which is sent by the network server 2 and is matched with the radio program is avoided.
In the present embodiment, step S11 is performed before step S12, but is not limited thereto, and in other embodiments, step S11 may be after step S12. Specifically, the vehicle-mounted terminal 1 detects a signal-to-noise ratio of the broadcast signal, compares the signal-to-noise ratio of the broadcast signal with a third preset value, and when the signal-to-noise ratio of the broadcast signal is smaller than the third preset value, the vehicle-mounted terminal 1 sends a station frequency of the station program to the network server 2. The third preset value may be greater than or equal to the first preset value, so that the network server 2 acquires the program content matched with the station program in advance through the station frequency.
In this embodiment, the method may further include, but is not limited to:
step S17: the in-vehicle terminal again detects the signal-to-noise ratio of the broadcast signal,
specifically, in the present embodiment, after the in-vehicle terminal 1 plays the radio program through the network server 2, the in-vehicle terminal disconnects from the broadcast signal, and connects with the corresponding broadcast signal when the in-vehicle terminal needs to detect the signal-to-noise ratio of the broadcast signal again. In other embodiments, after the in-vehicle terminal 1 broadcasts the radio program through the network server 2, the in-vehicle terminal may receive the broadcast signal sent by the broadcast station all the time but does not broadcast the broadcast signal broadcast station program.
Specifically, when the vehicle passes through the tunnel, the broadcast signal is blocked and the vehicle exits from the broadcast signal transmitting place, so that the vehicle-mounted terminal 1 is too far away from the broadcast signal transmitting place to receive the corresponding broadcast signal, so that the program content transmitted by the network server 2 is played by the vehicle-mounted terminal 1. When the vehicle exits the tunnel or returns to the broadcast signal transmitting place, the signal-to-noise ratio of the broadcast signal may become large, and the in-vehicle terminal 1 may clearly listen to the radio program by receiving the broadcast signal again. Therefore, the in-vehicle terminal 1 may detect the signal-to-noise ratio of the broadcast signal again at a set time, for example, in real time or at a fixed time after switching to play the program content sent by the network server or when detecting that the area where the position of the vehicle is located changes, and then compare the signal-to-noise ratio with a second preset value. The detection method can be divided into the following steps: and detecting the signal-to-noise ratio in real time, detecting the signal-to-noise ratio at fixed time and detecting the signal-to-noise ratio when the vehicle-mounted terminal detects that the area where the position of the vehicle is located is changed.
Step S18: and judging whether the signal-to-noise ratio is smaller than a second preset value.
In the present embodiment, the second preset value is greater than the first preset value, so that the vehicle-mounted terminal 1 can be effectively prevented from frequently and repeatedly switching between broadcasting the broadcast signal and broadcasting the network signal. In other embodiments, the second preset value may also be equal to the first preset value.
If the signal-to-noise ratio of the broadcast signal is smaller than the second preset value, the process proceeds to step S19: and the vehicle-mounted terminal continuously receives and plays the program content which is sent by the network server and is matched with the radio station program.
If the signal-to-noise ratio of the broadcast signal is greater than or equal to the second preset value, the process proceeds to step S20: the vehicle-mounted terminal broadcasts the radio station program by receiving the broadcast signal sent by the broadcast station.
Specifically, the method for switching the audio source of the car radio according to the embodiment enables the vehicle to clearly continue to listen to the radio programs when the vehicle passes through some places with poor broadcast signals or the vehicle cannot receive the broadcast signals of the corresponding radio programs, and greatly improves user experience. Meanwhile, when the broadcast signal is good, the broadcasting station program can be automatically switched back to be played through the broadcast signal, and the network flow is saved.
FIG. 3 is a schematic structural diagram of a car radio audio source switching system according to a second embodiment of the present invention. As shown in fig. 3, the car radio source switching system includes: a vehicle-mounted terminal 1 and a network server 2. Specifically, in the present embodiment, the network server 2 is a content Service Provider (TSP).
Specifically, the vehicle-mounted terminal 1 receives a broadcast signal sent by a broadcast station to play a radio program, sends the radio frequency of the radio program to the network server 2, continues to receive the broadcast signal sent by the broadcast station to continue to play the radio program when the signal-to-noise ratio is greater than or equal to a first preset value, and sends a request signal to the network server 2 when the signal-to-noise ratio is less than the first preset value; the network server 2 acquires the program content matched with the radio station program in real time according to the radio station frequency, and transmits the program content matched with the radio station program to the vehicle-mounted terminal 1 through the network when receiving the request signal; the vehicle-mounted terminal 1 is further configured to receive and play program content that is sent by the network server 2 and matches with the radio station program.
In summary, the method and the system for switching the sound source of the vehicle-mounted terminal provided by the invention enable the user to play the program content sent by the internet network under the condition of broadcasting signals, so that the user can still clearly listen to the program content of the radio station, thereby greatly improving the experience of the radio user.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, the above embodiments are exemplary, and are not to be construed as limiting the present invention, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical idea of the present invention, and these simple modifications all belong to the protection scope of the present invention.
Claims (10)
1. A method for switching the sound source of a vehicle-mounted radio is characterized in that the method is applied among a vehicle-mounted terminal, a broadcasting station and a network server, and comprises the following steps:
the vehicle-mounted terminal receives a broadcast signal sent by a broadcast station to play a radio station program;
the vehicle-mounted terminal sends the radio station frequency of the radio station program to the network server, and the network server acquires the program content matched with the radio station program in real time according to the radio station frequency;
the vehicle-mounted terminal detects the signal-to-noise ratio of the broadcast signal;
if the signal to noise ratio is larger than or equal to a first preset value, the vehicle-mounted terminal continues to receive the broadcast signal sent by the broadcast station so as to continue to play the radio station program;
if the signal to noise ratio is smaller than the first preset value, the vehicle-mounted terminal sends a request signal to the network server;
the network server receives the request signal and sends the program content matched with the radio station program to the vehicle-mounted terminal through the network, and the vehicle-mounted terminal receives and plays the program content matched with the radio station program and sent by the network server.
2. The radio sound source switching method of claim 1, wherein the network server receives the request signal and transmits the program content matched with the radio program to the vehicle-mounted terminal through the network, and the step of the vehicle-mounted terminal receiving and playing the program content matched with the radio program transmitted by the network server is followed by:
the vehicle-mounted terminal detects the signal-to-noise ratio of the broadcast signal again;
if the signal to noise ratio is smaller than a second preset value, the vehicle-mounted terminal continues to acquire and play program content matched with the radio station program by receiving a network signal sent by the network server;
and if the signal-to-noise ratio is greater than a second preset value, the vehicle-mounted terminal plays the radio station program by receiving the broadcast signal sent by the broadcast station.
3. The radio source switching method of claim 2, wherein the first preset value is less than the second preset value.
4. The radio sound source switching method of claim 1, wherein the network server receives the request signal and transmits the program content matched with the radio program to the vehicle-mounted terminal through the network, and the step of the vehicle-mounted terminal receiving and playing the program content matched with the radio program transmitted by the network server comprises:
the vehicle-mounted terminal sends a request signal to the network server and continues to receive the broadcast signal sent by the broadcast station so as to play the radio station program;
after receiving the request signal, the network server sends the program content matched with the radio station program to the vehicle-mounted terminal through a network;
and the vehicle-mounted terminal receives and plays the program content which is sent by the network server and is matched with the radio station program.
5. The radio sound source switching method of claim 1, wherein the vehicle-mounted terminal sends the radio frequency of the radio program to the web server, and the web server acquires the program content matched with the radio program in real time according to the radio frequency comprises:
and the vehicle-mounted terminal sends the radio station frequency of the radio station program and the position information of the vehicle to the network server, and the network server acquires the program content matched with the radio station program in real time according to the radio station frequency and the position information of the vehicle.
6. The radio audio source switching method according to claim 5, wherein the web server obtains the radio program information according to the radio frequency and/or the vehicle location information, and returns the radio program information to the vehicle-mounted terminal, and the radio program information includes a radio station name.
7. The radio sound source switching method of claim 1, wherein the step of the vehicle-mounted terminal transmitting the station frequency of the station program to the web server comprises:
when the signal to noise ratio is smaller than a third preset value, the vehicle-mounted terminal sends the radio station frequency of the radio station program to the network server; or
And the vehicle-mounted terminal sends the switched radio station frequency to the network server when receiving the radio station frequency switching instruction.
8. The radio source switching method of claim 7, wherein the third preset value is greater than or equal to the first preset value.
9. The radio audio source switching method of claim 1, wherein the step of the vehicle-mounted terminal detecting the signal-to-noise ratio of the broadcast signal comprises:
the vehicle-mounted terminal detects the signal-to-noise ratio in real time; or
And the vehicle-mounted terminal detects the signal-to-noise ratio when the position area of the vehicle changes.
10. A car radio source switching system, characterized in that, the system includes: a vehicle-mounted terminal and a network server;
the vehicle-mounted terminal receives a broadcast signal sent by a broadcast station to play a station program, sends the station frequency of the station program to the network server, continues to receive the broadcast signal sent by the broadcast station to continue to play the station program when the signal-to-noise ratio is greater than or equal to a first preset value, and sends a request signal to the network server when the signal-to-noise ratio is less than the first preset value;
the network server acquires the program content matched with the radio station program in real time according to the radio station frequency, and sends the program content matched with the radio station program to the vehicle-mounted terminal through a network when receiving the request signal;
and the vehicle-mounted terminal is also used for receiving and playing the program content which is sent by the network server and matched with the radio station program.
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| CN201810954971.8A CN110855391A (en) | 2018-08-21 | 2018-08-21 | Sound source switching method and system for vehicle-mounted radio |
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| CN201810954971.8A CN110855391A (en) | 2018-08-21 | 2018-08-21 | Sound source switching method and system for vehicle-mounted radio |
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Cited By (4)
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| CN112003666A (en) * | 2020-08-21 | 2020-11-27 | 中国第一汽车股份有限公司 | Vehicle-mounted radio control method, device, equipment and storage medium |
| CN112468960A (en) * | 2020-11-24 | 2021-03-09 | 惠州Tcl移动通信有限公司 | Vehicle-mounted terminal frequency modulation broadcast signal switching processing method, device, terminal and medium |
| WO2022193839A1 (en) * | 2021-03-15 | 2022-09-22 | Oppo广东移动通信有限公司 | Method for switching audio source, bluetooth audio receiving device, audio source device, and playback system |
| CN115529053A (en) * | 2021-06-24 | 2022-12-27 | 博泰车联网科技(上海)股份有限公司 | Audio signal adjusting method and device, control chip and storage medium |
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