CN114531671A - Automobile audio playing control method based on integration of Bluetooth and DLNA technologies - Google Patents
Automobile audio playing control method based on integration of Bluetooth and DLNA technologies Download PDFInfo
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- CN114531671A CN114531671A CN202111342099.XA CN202111342099A CN114531671A CN 114531671 A CN114531671 A CN 114531671A CN 202111342099 A CN202111342099 A CN 202111342099A CN 114531671 A CN114531671 A CN 114531671A
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- 230000004927 fusion Effects 0.000 claims description 10
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
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- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/48—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
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Abstract
The invention provides an automobile audio playing control method based on the integration of Bluetooth and DLNA technologies, which comprises the following steps: s1, connecting the car cabin with a mobile phone WIFI hotspot, and connecting the mobile phone with the car cabin Bluetooth; s2, detecting a WIFI connection state by the automobile cabin and starting DLNA connection monitoring service; s3, the mobile phone end transmits data to the vehicle cabin by using a DLNA protocol; s4, displaying DLNA music interface and playing songs by the automobile cabin; s5, the DLNA music interface controls the mobile phone end to play and stop through the Bluetooth protocol; and S6, disconnecting the WIFI connection, and hiding a DLNA music interface in the car cabin. Through realizing the DLNA agreement at car passenger cabin end, pass through the WIFI internet access condition with the cell-phone end under, with the audio data transmission of cell-phone to the car passenger cabin, utilize DLNA to realize the transmission of harmless data to get through the communication interface of standard between cell-phone music APP and the vehicle, fine solution the transmission problem of high-quality music. In addition, combine bluetooth control protocol again, realize the control of song from top to bottom, pause playing of music song.
Description
Technical Field
The invention relates to the field of vehicle-mounted audio control, in particular to an automobile audio playing control method based on the fusion of Bluetooth and DLNA technologies.
Background
DLNA was originally proposed by sony, intel, microsoft, etc., and is generally called DIGITAL LIVING NETWORK ALLIANCE, which aims to solve the interconnection between wireless NETWORKs and wired NETWORKs including personal PCs, consumer electronics, and mobile devices, and can allow mobile phones, tablets, computers, and televisions to share various digital media and content services such as photos, videos, and audios. The bluetooth control protocol AVRCP defines how to control the characteristics of streaming media. This includes pausing, stopping, starting playback, volume control, and other types of remote control operations. AVRCP defines two roles, controller and target device. The controller is typically a remote control device and the target device is a device whose characteristics can be changed. At present, the popular wireless Bluetooth headset controls the playing of mobile phone songs, namely AVRCP is used for realizing control. At present, the most conventional way of directly sharing music of a mobile phone to a vehicle is through bluetooth music, and due to the limitation of the encoding format of the bluetooth music (the mainstream at present includes SBC, AAC, LDAC, and the like), and the fact that a bluetooth signal is easily subjected to the volume of the environment, there is often a great loss of data information when the vehicle end decodes and plays audio, and especially when some high-quality music is played at the mobile phone end, the bluetooth music cannot meet the lossless requirement of data transmission.
Automobile intellectualization is the current automobile evolution direction, and the audio entertainment experience of the current automobile is no longer limited to a CD (compact disc) radio and an FM (frequency modulation) radio, so that the automobile is more diversified. The intelligent cockpit basically realizes networking and online music is relatively popular. However, the music applications supported by the vehicle are not always the applications that the vehicle user likes at ordinary times. Many car owners, especially music enthusiasts, like to play high-quality music using a u-disc or listen to songs collected by their mobile phones using bluetooth music. However, the u-disk music has the problem of inconvenient use, and the Bluetooth music has the problem of poor tone quality (the Bluetooth transmission bandwidth is small, and information is lost when a high-quality sound source is played). Therefore, it is difficult for the vehicle user to find balance in the sound quality and convenience of the vehicle-mounted music, and in addition, the vehicle user cannot play the online music for a long time according to the requirement due to high vehicle-mounted network traffic cost.
The invention discloses a method, a device and a system for controlling music playing of a mobile terminal, which are disclosed in Chinese patent literature, and the publication number of the method, the device and the system is CN 107463305A. The method comprises the following steps: the wearable device and the mobile terminal establish Bluetooth communication connection, so that intelligent interaction between the wearable device and the mobile terminal is guaranteed; the wearable device receives a first control instruction sent by the mobile terminal through the established Bluetooth communication connection; the wearable device pops up a music playing operation window on the display screen according to the first control instruction, so that a user can conveniently control the music player on the mobile terminal in real time through the display screen of the wearable device; the wearable device forms a corresponding second control instruction according to the operation of the user on the music playing operation window; and the wearable device sends the second control instruction to the music player on the mobile terminal through the established Bluetooth communication connection. The music controller on the mobile terminal can be controlled through the wearable device, convenience of operation when the mobile terminal plays music is improved, and user experience is enhanced. But does not involve the application of the DLNA protocol and does not meet the user's demand for good sound quality.
Disclosure of Invention
The invention solves the problem that a vehicle user cannot well pursue high-quality music when using Bluetooth music or U disk music, and provides an automobile audio playing control method based on the fusion of Bluetooth and DLNA technologies. In addition, combine bluetooth control protocol again, realize the control of song from top to bottom, pause playing of music song.
In order to achieve the purpose, the invention adopts the following technical scheme: an automobile audio playing control method based on the fusion of Bluetooth and DLNA technologies comprises the following steps:
s1, connecting the car cabin with a mobile phone WIFI hotspot, and connecting the mobile phone with the car cabin Bluetooth;
s2, detecting the WIFI connection state of the car cabin and starting DLNA connection monitoring service;
s3, the mobile phone end transmits data to the vehicle cabin by using a DLNA protocol;
s4, displaying DLNA music interface and playing songs by the automobile cabin;
s5, the DLNA music interface controls the mobile phone end to play and stop through the Bluetooth protocol;
and S6, disconnecting the WIFI connection, and hiding a DLNA music interface in the car cabin.
The invention mainly relates to connection between an automobile cabin end and a mobile phone end, transmission of data media information between two terminals is realized by utilizing a DLNA technology, under the condition that the automobile cabin is connected with a mobile phone through WIFI, DLNA connection monitoring is started, the mobile phone end and the automobile cabin can transmit audio data, high-quality lossless music at the mobile phone end is transmitted to the automobile cabin and displayed through a DLNA music interface, and the functions of playing the previous music, the next music, pausing, continuing playing and the like can be realized through the DLNA music interface on the automobile cabin. The advantages of Bluetooth control and DLNA data transmission are integrated, the audio playing control technology between the mobile phone and the car cabin is realized, the problem of poor tone quality of vehicle-mounted Bluetooth music transmission is well solved, lossless transmission of mobile phone audio to the car cabin decoding playing can be realized, the compatibility is good, and most mainstream music application is supported.
Preferably, the car cabin is provided with a DLNA receiving end and a display screen, the DLNA receiving end receives the audio data and then decodes and plays the audio data, the display screen is used for displaying the audio data received by the DLNA receiving end and a music interface, and the music interface comprises a DLNA music interface and a common music interface.
In the invention, as the DLNA receiving end is arranged in the automobile cabin, under the condition that the mobile phone and the automobile cabin are WiFi interconnected, the mobile phone end scans the automobile cabin through music application to realize screen projection playing service; and the music interfaces are all presented in the display screen. After the connection between the mobile phone and the car cabin is finished, the display screen can actively display a DLNA music interface, and lossless audio transmission is realized.
Preferably, the specific implementation method in step S3 is to transmit the lossless audio of the mobile phone end to the car cabin through a DLNA protocol, and the mobile phone end implements audio/video screen projection through a DLNA device projection function.
In the invention, the transmission bandwidth of the DLNA reaches 100Mbps which is 60 times of that of Bluetooth, lossless audio at a handset end is transmitted to a vehicle for playing, the current mainstream music players all support the DLNA, the audio quality is greatly improved by transmitting the audio through a DLNA protocol, and a user can obtain better music experience.
Preferably, the DLNA music interface in step S4 is represented by a music player terminal.
In the invention, the music player terminal has QQ music, Internet music, cool dogs and the like, and can meet the requirements of being used as a DLNA music interface.
Preferably, the specific implementation method of step S5 is to click a play control button of the DLNA music interface, and control the play of the mobile phone end through a bluetooth protocol between the mobile phone and the car cabin.
In the invention, when the mobile phone shares music with the intelligent cabin through DLNA, the music is required to be played last, next, paused and continuously through the intelligent cabin instead of the mobile phone, namely, the control of playing is realized through combining a control protocol of Bluetooth, which is different from the situation that the music is shared with a television under a home environment and a vehicle environment.
Preferably, in step S6, when the WIFI is disconnected between the car cabin and the mobile phone, the DLNA music interface is hidden by the music interface of the car cabin.
In the invention, after the DLNA music interface is hidden, the control playing of a common music interface can be carried out.
Preferably, if it is detected in step S4 that the bluetooth is not connected, the DLNA music interface prompts that the bluetooth can be connected for playing and controlling.
The DLNA music interface also has a reminding function.
The invention has the beneficial effects that: the advantages of Bluetooth control and DLNA data transmission are integrated, the audio playing control technology between the mobile phone and the car cabin is realized, the problem of poor tone quality of vehicle-mounted Bluetooth music transmission is well solved, lossless transmission of mobile phone audio to the car cabin decoding playing can be realized, the compatibility is good, and most mainstream music application is supported.
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FIG. 1 is a flow chart of the present invention;
fig. 2 is a block diagram of the architecture of the present invention.
Detailed Description
Example (b):
the embodiment provides an automobile audio playing control method based on the fusion of bluetooth and DLNA technologies, which refers to fig. 1 and fig. 2, and includes the following steps: step S1, connecting the car cabin with a mobile phone WIFI hotspot, and connecting the mobile phone with the car cabin Bluetooth;
step S2, the car cockpit detects the WIFI connection state and starts DLNA connection monitoring service; the DLNA connection service can be normally started only if connection is ensured.
Step S3, the mobile phone end transmits data to the vehicle cabin by using a DLNA protocol; in the step, lossless audio of the mobile phone end is transmitted to the automobile cabin through a DLNA protocol between the mobile phone and the automobile cabin, and audio and video screen projection can be performed through an equipment projection function.
Step S4, displaying DLNA music interface and playing music in the automobile cabin; in this step, the DLNA music interface is expressed by the music player terminal. If the Bluetooth is not connected, the DLNA music interface prompts that the Bluetooth can be connected.
Step S5, the DLNA music interface controls the mobile phone end to play and stop through the Bluetooth protocol; the control of the mobile phone end is realized through a plurality of control buttons on the DLNA music interface, and the control of the mobile phone end and the DLNA music interface are realized through a Bluetooth protocol.
Step S6, disconnecting the WIFI connection, and hiding a DLNA music interface in the car cabin; when WIFI between the automobile cabin and the mobile phone is disconnected, the DLNA music interface is hidden in the music interface of the automobile cabin.
The car cockpit is provided with a DLNA receiving end and a display screen, the DLNA receiving end automatically decodes after receiving audio data to perform playing operation, a DLNA music interface is displayed on the display screen, and besides the DLNA music interface, the music interface also comprises a common music interface.
The invention mainly relates to connection between an automobile cabin end and a mobile phone end, transmission of data media information between two terminals is realized by utilizing a DLNA technology, under the condition that the automobile cabin is connected with a mobile phone through WIFI, DLNA connection monitoring is started, the mobile phone end and the automobile cabin can transmit audio data, high-quality lossless music at the mobile phone end is transmitted to the automobile cabin and displayed through a DLNA music interface, and the functions of playing the previous music, the next music, pausing, continuing playing and the like can be realized through the DLNA music interface on the automobile cabin. The advantages of Bluetooth control and DLNA data transmission are integrated, the audio playing control technology between the mobile phone and the car cabin is realized, the problem of poor tone quality of vehicle-mounted Bluetooth music transmission is well solved, lossless transmission of mobile phone audio to the car cabin decoding playing can be realized, the compatibility is good, and most mainstream music application is supported.
In the invention, as the DLNA receiving end is arranged in the automobile cabin, under the condition that the mobile phone and the automobile cabin are WiFi interconnected, the mobile phone end scans the automobile cabin through music application to realize screen projection playing service; and the music interface is presented in the display screen. After the connection between the mobile phone and the car cabin is finished, the display screen can actively display a DLNA music interface, and lossless audio transmission is realized.
In the invention, the transmission bandwidth of the DLNA reaches 100Mbps which is 60 times of that of Bluetooth, lossless audio at a handset end is transmitted to a vehicle for playing, the current mainstream music players all support the DLNA, the audio quality is greatly improved by transmitting the audio through a DLNA protocol, and a user can obtain better music experience.
In the invention, the music player terminal has QQ music, Internet music, cool dogs and the like, and can meet the requirements of being used as a DLNA music interface.
In the invention, when the mobile phone shares music with the intelligent cabin through DLNA, the music is required to be played last, next, paused and continuously through the intelligent cabin instead of the mobile phone, namely, the control of playing is realized through combining a control protocol of Bluetooth, which is different from the situation that the music is shared with a television under a home environment and a vehicle environment.
In the invention, after the DLNA music interface is hidden, the control playing of a common music interface can be carried out. The DLNA music interface also has a reminding function.
The specific working process of the invention mainly comprises the following steps: by utilizing the DLNA protocol, after the mobile phone end is connected with the automobile cabin through WiFi, the transmission of audio data between the automobile cabin and the mobile phone end can be realized, the DLNA transmission bandwidth reaches 100Mbps which is 60 times of Bluetooth, and on a transmission link, the DLNA protocol and the WiFi are adopted, so that the transmission of lossless data is ensured, the audio quality is greatly improved, and the requirements of music enthusiasts are met; and a plurality of buttons of a DLNA music interface on the automobile cabin are directly clicked, the mobile phone end is directly controlled through a Bluetooth protocol, the control of playing songs on and off, playing pause and the like of the music is realized, and the control is convenient and fast.
The above embodiments are further illustrated and described in order to facilitate understanding of the invention, and no unnecessary limitations are to be understood therefrom, and any modifications, equivalents, and improvements made within the spirit and principle of the invention should be included therein.
Claims (7)
1. An automobile audio playing control method based on the fusion of Bluetooth and DLNA technologies is characterized by comprising the following steps:
s1, connecting the car cabin with a mobile phone WIFI hotspot, and connecting the mobile phone with the car cabin Bluetooth;
s2, detecting the WIFI connection state of the car cabin and starting DLNA connection monitoring service;
s3, the mobile phone end transmits data to the vehicle cabin by using a DLNA protocol;
s4, displaying DLNA music interface and playing songs by the automobile cabin;
s5, the DLNA music interface controls the mobile phone end to play and stop through the Bluetooth protocol;
and S6, disconnecting the WIFI connection, and hiding a DLNA music interface in the car cabin.
2. The automobile audio playing control method based on the Bluetooth and DLNA technology fusion as claimed in claim 1, wherein a DLNA receiving end and a display screen are arranged on the automobile cabin, the DLNA receiving end decodes and plays audio data after receiving the audio data, the display screen is used for displaying the audio data received by the DLNA receiving end and a music interface, and the music interface comprises a DLNA music interface and a common music interface.
3. The automobile audio playing control method based on the combination of the Bluetooth technology and the DLNA technology as claimed in claim 1, wherein the specific implementation method in the step S3 is to transmit the lossless audio of the mobile phone end to the automobile cabin through a DLNA protocol, and the mobile phone end implements audio and video screen projection through a DLNA device projection function.
4. The method for controlling the audio playing of the automobile based on the fusion of the Bluetooth technology and the DLNA technology as claimed in claim 1, wherein the DLNA music interface in the step S4 is represented in a form of a music player terminal.
5. The automobile audio playing control method based on the fusion of the Bluetooth and the DLNA technologies as claimed in claim 1, wherein the specific implementation method of the step S5 is to click a playing control button of a DLNA music interface, and control the playing of the mobile phone end through a Bluetooth protocol between the mobile phone and the automobile cabin.
6. The method for controlling audio playback of an automobile based on the fusion of Bluetooth and DLNA technologies as claimed in claim 1, wherein in step S6, when WIFI is disconnected between the automobile cabin and the mobile phone, the music interface of the automobile cabin hides the DLNA music interface.
7. The automobile audio playing control method based on the fusion of the Bluetooth and the DLNA technologies as claimed in claim 1 or 4, wherein if the step S4 detects that the Bluetooth is not connected, the DLNA music interface prompts the connectable Bluetooth playing to realize control.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115174988A (en) * | 2022-06-24 | 2022-10-11 | 长沙联远电子科技有限公司 | Audio and video screen projection control method based on DLNA |
| CN116017201A (en) * | 2022-12-06 | 2023-04-25 | 远峰科技股份有限公司 | Lossless information monitoring method and device based on Bluetooth car key system |
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2021
- 2021-11-12 CN CN202111342099.XA patent/CN114531671A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115174988A (en) * | 2022-06-24 | 2022-10-11 | 长沙联远电子科技有限公司 | Audio and video screen projection control method based on DLNA |
| CN115174988B (en) * | 2022-06-24 | 2024-04-30 | 长沙联远电子科技有限公司 | Audio and video screen-throwing control method based on DLNA |
| CN116017201A (en) * | 2022-12-06 | 2023-04-25 | 远峰科技股份有限公司 | Lossless information monitoring method and device based on Bluetooth car key system |
| CN116017201B (en) * | 2022-12-06 | 2023-07-18 | 远峰科技股份有限公司 | Lossless information monitoring method and device based on Bluetooth car key system |
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