CN102800340A - Method and device for managing sound source of vehicle-mounted Android platform - Google Patents
Method and device for managing sound source of vehicle-mounted Android platform Download PDFInfo
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- CN102800340A CN102800340A CN2012102018104A CN201210201810A CN102800340A CN 102800340 A CN102800340 A CN 102800340A CN 2012102018104 A CN2012102018104 A CN 2012102018104A CN 201210201810 A CN201210201810 A CN 201210201810A CN 102800340 A CN102800340 A CN 102800340A
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Abstract
The invention discloses a method for managing a sound source of a vehicle-mounted Android platform. The method comprises the following steps of: receiving broadcast of various applications; judging whether the current opened application is a general application or not; performing sound mixing treatment if the current opened application is the general application; giving a command to play a sound source of the current opened application and closing sound sources of other applications; and playing according to the playing command. The invention also discloses a device for managing the sound source of the vehicle-mounted Android platform, and the method is used by the device. The method and the device can be used for managing the sound source of the vehicle-mounted Android platform.
Description
Technical field
The present invention relates to vehicle-mounted Android platform, especially relate to a kind of source of sound management method and device of vehicle-mounted Android platform.
Background technology
On existing Android equipment, the App (Application, application program) of various broadcast source of sound functions is arranged, when opening a plurality of App and play source of sound simultaneously, various sound are play together, will what all not hear, from having formed noise.Its schematic diagram is as shown in Figure 4, and the App application end directly is connected with the source of sound output terminal, and the application A pp1 in the App application end, App2 and App3 open directly source of sound output of back, and are left intact.Its method flow is as shown in Figure 5.Successively open the App of a plurality of broadcast sources of sound, Android equipment is play all App that open simultaneously.Cause simultaneously and play owing to the App of a plurality of broadcast sources of sound of successively opening not being done any processing, brought very big trouble, can not let the user listen him to want the sound of listening, cause the user experience of failure to the user.
Therefore, be badly in need of how exploitation is a kind of solves a plurality of App and play source of sound simultaneously, and do not produce the technology of noise, audio mixing.
Summary of the invention
When the present invention plays source of sound simultaneously in order to solve a plurality of application of prior art Android equipment; Various sound are play together; What is not all heard to cause the user, can't hear the technical matters of the sound that he wants to listen, and a kind of source of sound management method and device of vehicle-mounted Android platform is provided.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is the source of sound management method of a kind of vehicle-mounted Android platform of design, comprising:
Receive the broadcasting of each application;
Judge whether the application when front opening is general application, if general the application then carry out audio mixing and handle, send broadcast when the source of sound of the application of front opening, close the play instruction of the source of sound of other application;
Play according to said play instruction.
Said audio mixing is handled and is comprised:
Judge whether it is that the current application and the current source of sound path of having opened in the car machine is not the source of sound when the application of front opening;
If then, current source of sound is decided to be the source of sound when the application of front opening with the path zero clearing of current source of sound;
JNI method in the invokes thread says the word toward the kernel layer;
The Kernel layer receive orders the back to chip send broadcast when the source of sound of the application of front opening, close the play instruction of other sources of sound.
The source of sound management method of said vehicle-mounted Android platform also comprises:
If not general the application, then send independent broadcast when the source of sound of the special applications of front opening, close the play instruction of the source of sound of other application.
The present invention also provides a kind of source of sound management devices of vehicle-mounted Android platform, comprising:
The App application end, it sends the broadcasting of each application;
The source of sound administration module, it receives the broadcasting of each application, judges whether the application when front opening is general application, if general the application then carry out audio mixing and handle, and send broadcast when the source of sound of the application of front opening, close the play instruction of the source of sound of other application;
The source of sound output terminal, it is play according to said play instruction.
Said audio mixing is handled and is comprised:
Judge whether it is that the current application and the current source of sound path of having opened in the car machine is not the source of sound when the application of front opening;
If then, current source of sound is decided to be the source of sound when the application of front opening with the path zero clearing of current source of sound;
JNI method in the invokes thread says the word toward the kernel layer;
The Kernel layer receive orders the back to chip send broadcast when the source of sound of the application of front opening, close the play instruction of other sources of sound.
Said source of sound administration module also comprises to be judged if not general the application, then send independent broadcast when the source of sound of the special applications of front opening, close the play instruction of the source of sound of other application.
The present invention is through judging whether the application when front opening is general application; If general the application; Then carry out audio mixing and handle, and play source of sound, close the source of sound of other application when the application of front opening; Cause sound to obscure and problem that the user can not hear clearly thereby can avoid a plurality of application of opening to play source of sound simultaneously, make user experience better.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the present invention is elaborated, wherein:
Fig. 1 is the schematic diagram of the source of sound management devices of the vehicle-mounted Android platform of the present invention;
Fig. 2 is the process flow diagram of the source of sound management method of the vehicle-mounted Android platform of the present invention;
Fig. 3 is the process flow diagram that audio mixing of the present invention is handled;
Fig. 4 is the schematic diagram of the source of sound management devices of existing vehicle-mounted Android platform;
Fig. 5 is the process flow diagram of the source of sound management method of existing vehicle-mounted Android platform.
Embodiment
See also Fig. 1.The source of sound management devices of the vehicle-mounted Android platform of the present invention comprises: the App application end, source of sound administration module and the source of sound output terminal that connect successively.
The App application end is sent the broadcasting of each application.
The source of sound administration module is mainly used in the broadcasting that receives each application; Judge whether the application when front opening is general application; If general the application then carried out audio mixing and handled, and send broadcast when the source of sound of the application of front opening, close the play instruction of the source of sound of other application.
Please in the lump referring to Fig. 3.Said audio mixing is handled and is comprised:
1, judges whether it is that the current application and the current source of sound path of having opened in the car machine is not the source of sound when the application of front opening;
If 2, then, current source of sound is decided to be the source of sound when the application of front opening with the path zero clearing of current source of sound; If not, then directly skip;
3, the JNI method in the invokes thread says the word toward the kernel layer;
4, the Kernel layer receive orders the back to chip send broadcast when the source of sound of the application of front opening, close the play instruction of other sources of sound.
The source of sound administration module also comprises to be judged if not general the application, then send independent broadcast when the source of sound of the special applications of front opening, close the play instruction of the source of sound of other application.
The source of sound output terminal is mainly used in according to said play instruction and plays.
See also Fig. 2.The source of sound management method of a kind of vehicle-mounted Android platform of the present invention comprises:
Step 1, receive the broadcasting of each application;
As successively receiving a plurality of application App1, App2 and App3.
Step 2, judge whether the application when front opening is general application, if general the application then carry out audio mixing and handle, and send broadcast when the source of sound of the application of front opening, close the play instruction of the source of sound of other application;
Please in the lump referring to Fig. 3.Said audio mixing is handled and is comprised:
1, judges whether it is that the current application and the current source of sound path of having opened in the car machine is not the source of sound when the application of front opening;
If 2, then, current source of sound is decided to be the source of sound when the application of front opening with the path zero clearing of current source of sound;
If not, then directly skip.
3, the JNI method in the invokes thread says the word toward the kernel layer;
4, the Kernel layer receive orders the back to chip send broadcast when the source of sound of the application of front opening, close the play instruction of other sources of sound.
In the present invention, definition generally is applied as system applies, and the definition special applications is a functional application, and like bluetooth module, the output of decoding and reversing module etc. is functional application, thereby can carry out special processing to single independently module in the car machine.
If not general the application, then send independent broadcast when the source of sound of the special applications of front opening, close the play instruction of the source of sound of other application.
Obviously; The present invention only is divided into general application and special applications with application; Then this moment, need not judge whether the application when front opening is special applications, so long as not general application; Then directly think special applications, play separately source of sound, close the source of sound of other application when the special applications of front opening.
Certainly, also can increase to judge whether it is the step of special applications, have only and judge it is just to carry out corresponding action after the special applications.
Step 3, play according to said play instruction.
As successively opening App1, App2 and the App3 that plays source of sound,, then only play the source of sound of App3, and stop the broadcast of the source of sound of App1 and App2 because App3 opens at last.And when successively opening the App3 that plays source of sound, App2 and App1, App1 opens at last, then only plays the source of sound of App1, and stops the broadcast of the source of sound of App2 and App3.
No matter be general the application or special applications, core concept of the present invention is exactly to play the source of sound of closing other application when the source of sound of the application of front opening, and the technology that just when handling, adopts is different.
The present invention is through judging whether the application when front opening is general application; If general the application; Then carry out audio mixing and handle, and play source of sound, close the source of sound of other application when the application of front opening; Cause sound to obscure and problem that the user can not hear clearly thereby can avoid a plurality of application of opening to play source of sound simultaneously, make user experience better.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the source of sound management method of a vehicle-mounted Android platform is characterized in that comprising:
Receive the broadcasting of each application;
Judge whether the application when front opening is general application, if general the application then carry out audio mixing and handle, send broadcast when the source of sound of the application of front opening, close the play instruction of the source of sound of other application;
Play according to said play instruction.
2. the source of sound management method of vehicle-mounted Android platform according to claim 1 is characterized in that: said audio mixing is handled and is comprised:
Judge whether it is that the current application and the current source of sound path of having opened in the car machine is not the source of sound when the application of front opening;
If then, current source of sound is decided to be the source of sound when the application of front opening with the path zero clearing of current source of sound;
JNI method in the invokes thread says the word toward the kernel layer;
The Kernel layer receive orders the back to chip send broadcast when the source of sound of the application of front opening, close the play instruction of other sources of sound.
3. the source of sound management method of vehicle-mounted Android platform according to claim 1 is characterized in that: the source of sound management method of said vehicle-mounted Android platform also comprises:
If not general the application, then send independent broadcast when the source of sound of the special applications of front opening, close the play instruction of the source of sound of other application.
4. the source of sound management devices of a vehicle-mounted Android platform is characterized in that comprising:
The App application end, it sends the broadcasting of each application;
The source of sound administration module, it receives the broadcasting of each application, judges whether the application when front opening is general application, if general the application then carry out audio mixing and handle, and send broadcast when the source of sound of the application of front opening, close the play instruction of the source of sound of other application;
The source of sound output terminal, it is play according to said play instruction.
5. the source of sound management devices of vehicle-mounted Android platform according to claim 4 is characterized in that: said audio mixing is handled and is comprised:
Judge whether it is that the current application and the current source of sound path of having opened in the car machine is not the source of sound when the application of front opening;
If then, current source of sound is decided to be the source of sound when the application of front opening with the path zero clearing of current source of sound;
JNI method in the invokes thread says the word toward the kernel layer;
The Kernel layer receive orders the back to chip send broadcast when the source of sound of the application of front opening, close the play instruction of other sources of sound.
6. the source of sound management devices of vehicle-mounted Android platform according to claim 4; It is characterized in that: said source of sound administration module also comprises to be judged if not general the application, then send independent broadcast when the source of sound of the special applications of front opening, close the play instruction of the source of sound of other application.
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| CN113450835A (en) * | 2021-06-04 | 2021-09-28 | 佛吉亚歌乐电子(丰城)有限公司 | Method, equipment and storage medium for optimizing vehicle-mounted central control noise-free background noise |
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| CN102800340B (en) | 2015-02-18 |
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Effective date of registration: 20161201 Address after: Qingpu District of Shanghai City Lai Hong Kong Road 201700 room No. 77 510-523 Patentee after: V-mark Automobile Technology Co Ltd Address before: Wenzhou City, Zhejiang Province in 325000 port industry cluster zone, the administrative center of No. 1 building 156 room Patentee before: Vimar automotive Wenzhou Co. Ltd. |
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Address after: 201700 room 510-523, Laisheng Road, Qingpu District, Shanghai Patentee after: Wei Ma Automotive Technology Group Co., Ltd. Address before: 201700 room 510-523, Laisheng Road, Qingpu District, Shanghai Patentee before: V-mark Automobile Technology Co Ltd |