CN217116365U - Vehicle-mounted immersive audio framework and corresponding vehicle - Google Patents
Vehicle-mounted immersive audio framework and corresponding vehicle Download PDFInfo
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Abstract
This paper relates to vehicle audio technology field, especially relates to a vehicle-mounted immersive audio framework and corresponding vehicle. The vehicle-mounted audio playing system comprises an audio source, a vehicle machine, an audio processing chip, a power amplifier and a loudspeaker, wherein the audio source is connected with the vehicle machine; the audio source inputs audio data to the car machine, the car machine inputs the audio data to the audio processing chip, and the audio processing chip outputs the processed audio data to the power amplifier and plays the audio data through the loudspeaker. The embodiment of the invention can enhance the audio data processing capability of the original vehicle-mounted audio system through the additionally added audio processing chip, and improve the audio processing quality, so that the vehicle can play audio data which is more immersive, and the user experience is improved.
Description
Technical Field
This paper relates to vehicle audio technology field, especially relates to a vehicle-mounted immersive audio framework and corresponding vehicle.
Background
Among the prior art, the vehicle processes the input audio source through the vehicle machine and then outputs the processed audio source to the rear-stage power amplifier and the loudspeaker, although the played audio can be played through a plurality of loudspeakers, the vehicle machine still cannot effectively process audio data, and the problem that the use experience of vehicle audio playing is not high is caused.
How to enhance the processing capacity of the vehicle to the audio data and realize immersive vehicle-mounted audio-visual feeling is a problem which needs to be solved urgently in the prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the embodiments herein provide a vehicle-mounted immersive audio framework and a corresponding vehicle, which are used for solving the problem of insufficient audio processing capability of a vehicle-mounted device in the prior art.
There is provided an in-vehicle audio playback system, comprising,
the system comprises an audio source, a vehicle machine, an audio processing chip, a power amplifier and a loudspeaker;
the audio source inputs audio data to the car machine, the car machine inputs the audio data to the audio processing chip, and the audio processing chip outputs the processed audio data to the power amplifier and plays the audio data through the loudspeaker.
As an aspect of the embodiments herein, the audio processing chip includes an analog-to-digital conversion module, which is connected to an RCA interface of the car machine.
As an aspect of the embodiments herein, the audio processing chip includes a gigabit media independent interface module (RGMII), a network interface connected to the car machine, and the car machine is connected to an audio source server in the internet through a cellular network or a communication network such as 4G or 5G, so as to obtain audio data.
As an aspect of the embodiments herein, the audio processing chip includes a USB interface module, an audio source connected to an external USB interface, and the audio source inputs audio data to the audio processing chip through the USB interface module.
As an aspect of the embodiments herein, the audio source is a mobile terminal, and the car machine includes a wireless communication module, connected to the mobile terminal through the wireless communication module, and receives audio data output by the mobile terminal.
As an aspect of the embodiments herein, the audio source is a network audio platform, and the car machine includes a network module, and is connected to the network audio platform through the network module, and receives audio data output by the network audio platform.
As an aspect of the embodiments herein, the audio processing chip includes a USB output interface module, and the audio data processed by the audio processing chip is output through the USB output interface module, and the power amplifier receives the audio data.
As an aspect of the embodiment herein, the audio processing chip further includes a digital-to-analog conversion module, connected to the USB output interface module, for converting digital audio data output by the USB output interface module into analog audio data and outputting the analog audio data to a plurality of power amplifiers.
The USB hub is connected with a USB output interface module of the audio processing chip, and converts digital audio data output by the USB output interface module into analog audio data and outputs the analog audio data to a plurality of power amplifiers.
The embodiment herein also provides a vehicle with the above vehicle-mounted audio playing system, and the vehicle can be an electric vehicle or an internal combustion engine vehicle, or other new energy vehicles.
By utilizing the embodiment, the audio data processing capability of the original vehicle-mounted audio system can be enhanced through the additionally added audio processing chip, the audio processing quality is improved, the vehicle can play audio data which is more immersive, and the user experience is improved.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art in-vehicle audio system;
FIG. 2 is a schematic structural diagram of a car immersive audio framework according to an embodiment of the present disclosure;
FIG. 3 is another schematic diagram of the immersive audio framework for use in the vehicle of the embodiments herein;
FIG. 4 is a schematic diagram of a post-connection structure according to an embodiment herein;
fig. 5 is a schematic structural diagram illustrating a connection between an audio processing chip and a vehicle device according to an embodiment of the present disclosure;
FIG. 6A is a schematic structural diagram of a vehicle immersive audio framework of embodiments herein;
fig. 6B is a schematic structural diagram of the vehicle immersive audio framework according to the embodiment of the present disclosure.
[ description of reference ]
201. An audio source;
202. a vehicle machine;
203. an audio processing chip;
204. amplifying power;
205. a speaker;
301. a mobile phone;
302. a network platform;
303. a vehicle machine;
304. an audio processing chip;
305. a later stage;
401、USB hub；
4011. an input interface;
4012. an output interface;
4013. a digital-to-analog conversion module;
402. amplifying power;
403. a speaker;
501. a vehicle machine;
5011. RCA interface;
5012. a network interface;
502. an audio processing chip;
5021. an analog-to-digital conversion module;
5022. a gigabit media independent interface module;
5023. a USB interface module;
601. a vehicle machine;
602. an audio data platform;
603. provided is a mobile phone.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the embodiments described are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments herein without making any creative effort, shall fall within the scope of protection.
Fig. 1 is a schematic structural diagram of a vehicle-mounted audio system in the prior art, where a mobile phone may be connected to a vehicle in a wired or wireless manner (IVI), the mobile phone outputs audio data to the vehicle, the vehicle processes the audio data and outputs the audio data to a power amplifier, and then the audio data is played through a speaker in a vehicle.
Fig. 2 is a schematic structural diagram of a vehicle-mounted immersive audio framework according to an embodiment of the present disclosure, in which an audio processing chip is added between a vehicle and a power amplifier, and is used to directly process input audio data, save a link of audio processing performed by the vehicle (or further process audio data processed by the vehicle), output the processed audio data to the power amplifier, and play the audio data to a passenger in the vehicle through a speaker, where the system includes:
an audio source 201, a vehicle machine 202, an audio processing chip 203, a power amplifier 204 and a loudspeaker 205;
the audio source 201 inputs audio data to the car machine 202, the car machine 202 inputs the audio data to the audio processing chip 203, the audio processing chip 203 outputs the processed audio data to the power amplifier 204, and the audio data is played through the speaker 205.
The audio processing chip 203 can process the audio data by using the audio encoding and decoding method and the corresponding device disclosed in the invention name "audio producing and decoding method and device" disclosed in 2017, 2, month and 22, with the publication number "CN 106448687A", and a better audio playing effect can be obtained by processing with the method in the prior art.
Fig. 3 is another schematic structural diagram of the vehicle-mounted immersive audio framework according to the embodiment of the present disclosure, in which it is described that after various audio sources are input to the vehicle, audio data can be input to the audio processing chip through the communication interface between the vehicle and the audio processing chip, and the audio processing chip can also receive the audio data directly input to the audio processing chip from the outside through the USB interface module, and output the audio data to the rear stage after processing the audio data through the USB interface module, where the system specifically includes:
a mobile phone 301, a network platform 302, a car machine 303, an audio processing chip 304, and a rear stage 305;
the mobile phone 301 may include mobile phones of various brands, and is connected to the car machine 303 in a wired or wireless manner, where the wireless connection means that the mobile phone 301 is connected to the car machine 303 in a bluetooth or WIFI manner.
The network platform 302 may be an audio platform of a third party, such as a music playing server, or some music zone, etc.
The car machine 303 may directly transmit the received audio data to the audio processing chip 304, or may form stereo audio data after audio processing, and transmit the data to the audio processing chip 304.
The audio processing chip 304 may further include a USB interface module, which is configured to receive a USB device, such as a mobile hard disk, a USB flash disk, and read audio data directly from the USB device.
After the audio processing chip 304 completes the audio data processing, the audio data is sent to the subsequent stage 305.
As shown in fig. 4, a schematic diagram of a post-stage connection structure in this embodiment describes a specific structure of a post-stage connected to an audio processing chip, where the audio processing chip includes a USB output interface module, which may be a TYPE-C interface, and the post-stage specifically includes:
a USB hub401, a plurality of power amplifiers 402 and a loudspeaker 403; the USB hub401 further includes an input interface 4011, a plurality of output interfaces 4012, and a digital-to-analog conversion module 4013;
the USB hub401 is connected to an output interface of the audio processing chip, and transmits the audio data processed by the audio processing chip to the plurality of power amplifiers 402, and the plurality of power amplifiers 402 transmit the audio data to the corresponding speakers 403.
The USB input interface 4011 in the USB hub401 is connected to an output interface of an audio processing chip, the digital-to-analog conversion module 4013 converts received digital audio data processed by the audio processing chip into analog audio data, and broadcasts the analog audio data to a plurality of output interfaces 4012 based on AOIP (audio over IP), and the plurality of power amplifiers 402 are respectively connected to the corresponding output interfaces 4012, where AOIP is a technology for transmitting high-fidelity digital audio signals in real time in an IP (Internet Protocol) stream manner over a common ethernet, and is applicable to a plurality of professional audio fields including field sound amplification. The USB hub may be formed by an SPD147 chipset, which may convert digital audio data into analog audio data and complete audio data transmission of AOIP.
The power amplifier 402 of each channel plays the analog audio data through the speakers 403 connected thereto, wherein different speakers 403 are located at different positions of the vehicle.
Fig. 5 is a schematic structural diagram of the connection between the audio processing chip and the car machine according to the embodiment of the present disclosure, in which a connection relationship between the audio processing chip and the car machine is described, the car machine 501 includes: RCA interface (Radio Corporation of American)5011, network interface 5012; the audio processing chip 502 includes: an analog-to-digital conversion module 5021, a gigabit media independent interface module (RGMII interface module) 5022, and a USB interface module 5023;
as shown in fig. 6A, which is a schematic structural diagram of the vehicle-mounted immersive audio framework according to the embodiment of the present disclosure, the car machine 601 may be connected to an audio data platform 602 in the internet through a network module to obtain audio data. As shown in fig. 6B, which is a schematic structural diagram of the car immersive audio framework according to the embodiment herein, the car machine 601 may further obtain audio data through connection with the mobile phone 603, and the mobile phone may transmit the audio data to the car machine 601 through, for example, a carrier protocol.
After the car machine 501 receives the audio data, the audio data can be sent to the analog-to-digital conversion module 5021 of the audio processing chip 502 through the RCA interface 5011 of the car machine, and the analog audio data is converted into digital audio data, so that the audio processing chip (i.e., the audio processing DSP) performs digital processing; the car machine 501 can also transmit the received audio data to the gigabit media independent interface module 5022 of the audio processing chip 502 through the network interface 5012, and the audio processing chip 502 can directly obtain the digital audio data through the interface module.
The audio processing chip 502 can also obtain audio data input by a user through a USB interface via the USB interface module 5023, and directly enter digital processing of the DSP to implement a process of processing the audio data.
Through the aforesaid the embodiment of the utility model discloses a can strengthen former on-vehicle audio system's audio data throughput through the audio frequency processing chip of extra increase, improve audio frequency processing quality for the vehicle can play audio data on the spot more, improves user experience.
The embodiment of the invention also provides a vehicle with the vehicle-mounted audio playing system, after the vehicle machine of the vehicle is connected with the audio processing chip, the power amplifier and the loudspeaker of the vehicle can obtain a better audio playing effect, so that a user can obtain an immersed audio playing environment.
It should be understood that, in various embodiments herein, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments herein.
It should also be understood that, in the embodiments herein, the term "and/or" is only one kind of association relation describing an associated object, meaning that three kinds of relations may exist. For example, a and/or B, may represent: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of illustrating clearly the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided herein, it should be understood that the disclosed system, apparatus, and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may also be an electric, mechanical or other form of connection.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purposes of the embodiments herein.
The principles and embodiments of this document are explained herein using specific examples, which are presented only to aid in understanding the methods and their core concepts; meanwhile, for the general technical personnel in the field, according to the idea of this document, there may be changes in the concrete implementation and the application scope, in summary, this description should not be understood as the limitation of this document.
Claims (10)
1. An immersive audio framework for a vehicle, comprising,
the system comprises an audio source, a vehicle machine, an audio processing chip, a power amplifier and a loudspeaker;
the audio source inputs audio data to the car machine, the car machine inputs the audio data to the audio processing chip, and the audio processing chip outputs the processed audio data to the power amplifier and plays the audio data through the loudspeaker.
2. The vehicle immersive audio framework of claim 1 wherein said audio processing chip comprises an analog-to-digital conversion module connected to an RCA interface of said vehicle.
3. The vehicle immersive audio framework of claim 1 wherein said audio processing chip comprises a gigabit media independent interface module, connected to a network interface of said vehicle machine.
4. The vehicle immersive audio framework of claim 1 wherein said audio processing chip comprises a USB interface module, an audio source externally connected to a USB interface, said audio source inputting audio data to said audio processing chip through said USB interface module.
5. The vehicle-mounted immersive audio framework of claim 1, wherein the audio source is a mobile terminal, and the vehicle-mounted device comprises a wireless communication module, and is connected with the mobile terminal through the wireless communication module to receive audio data output by the mobile terminal.
6. The vehicle-mounted immersive audio framework of claim 1, wherein the audio source is a network-side audio platform, and the vehicle-mounted device comprises a network module, and is connected to the network-side audio platform through the network module to receive audio data output by the network-side audio platform.
7. The vehicle-mounted immersive audio framework of claim 1, wherein the audio processing chip comprises a USB output interface module, the audio data processed by the audio processing chip is output through the USB output interface module, and the power amplifier receives the audio data.
8. The vehicle-mounted immersive audio framework of claim 7, wherein the audio processing chip further comprises a digital-to-analog conversion module, connected to the USB output interface module, for converting digital audio data output by the USB output interface module into analog audio data and outputting the analog audio data to the plurality of power amplifiers.
9. The vehicle immersive audio framework of claim 7, further comprising a USB hub, wherein the USB output interface module of the audio processing chip is connected to the USB hub, and the USB hub converts digital audio data output by the USB output interface module into analog audio data and outputs the analog audio data to the plurality of power amplifiers.
10. A vehicle comprising a vehicle immersive audio framework according to any of claims 1-9.
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