CN106993248A - A kind of high universalizable digital in-vehicle sound system - Google Patents
A kind of high universalizable digital in-vehicle sound system Download PDFInfo
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- CN106993248A CN106993248A CN201710169781.0A CN201710169781A CN106993248A CN 106993248 A CN106993248 A CN 106993248A CN 201710169781 A CN201710169781 A CN 201710169781A CN 106993248 A CN106993248 A CN 106993248A
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- module
- audio
- radio
- main control
- control module
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention discloses a kind of high universalizable digital in-vehicle sound system, using STC12C5624AD single-chip microcomputers as main control chip, pass through I2C bus marco power modules, radio receiver module, audio decoder module, power amplifier processing module, audio effect processing module, key control module and LCD MODULE work, complete Digitized three-dimensional radio reception, a variety of audio musics and external storage equipment are played, driver can read the working condition of sound system from LCD display, key-press module can also be passed through simultaneously, realize the switching between audio player and radio, change audio and regulation volume, the present invention takes sub-module to design, the increase and decrease of each functional module can be realized according to the requirement of client, with good radio reception performance and broadcast performance, the low in energy consumption and various operating modes of adaptation, highly versatile.
Description
Technical field
The invention belongs to vehicle audio technical field, it is related to a kind of digital in-vehicle sound system, specifically a kind of high pass is used
Property digital in-vehicle sound system.
Background technology
With developing rapidly for automotive engineering, the technology such as automotive electronic technology, on-vehicle information technology and sensor also by
Gradually promote the development of automotive engineering.Oneself is gradually risen car audio system in automobile industry, and the automobile of each class can all be assembled
A suitable car audio system.With automobile, proportion is more and more big in people live, items of the people to automobile
Function all proposes higher requirement.
There is many weak points in existing car audio system：
1st, the radio reception effect of radio is poor, and particularly automobile enters mountain area and has the area of high-lager building, radio reception performance
Weaken；
2nd, car audio system can only realize that single audio is played；
3rd, the switching between sound system various functions is slow, and the stand-by period is long, and storage device reading speed is slow, special
It is not the storage device data for reading some Large Copacities, reading the shared time can be longer, causes player reaction slow；
4th, sound system poor anti jamming capability.
The content of the invention
It is an object of the invention to provide a kind of high universalizable digital in-vehicle sound system.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of high universalizable digital in-vehicle sound system, including main control module, power module, external interface module, audio
Decoder module, radio receiver module, audio effect processing module, power amplifier processing module, dio Output Modules, LCD MODULE and press
Key control module；
The main control module, using STC12C5624AD single-chip microcomputers, power module, radio reception are controlled by I2C buses respectively
Machine module and the work of audio decoder module；
The power module, using electric current output buck switching mode integrated stable voltage circuit LM2575 or LM2576, to generating electricity
Machine and battery output voltage are handled, the voltage output stablized；
The external interface module：Including USB interface and SD interface, external USB storage device and outside SD are connected respectively
Storage card；
The audio decoder module, main control module is connected by I2C buses, reads external USB storage device and outside
Audio file in storage card, by digital-to-analogue conversion by digital signal decoding into analog signal；
The radio receiver module, main control module is connected by I2C buses, under the control of main control module, and completion is accordingly posted
Storage is read and write, and realizes various function of radio receiver；
The audio effect processing module is there is provided audio effect processing function, and the audio signal from audio decoder module passes through audio
Processing, can play music with a variety of audios such as jazz, rock and roll, allusion, prevalence；
The power amplifier processing module, using audio frequency power amplifier process amplifier, amplifies voice-frequency signalling current, amplifies faint sound
Frequency signal amplitude, reaches the purpose of power amplification；
The dio Output Modules, are played out to the audio signal by amplification；
The LCD MODULE, shows the radio reception frequency of radio, the track number of music and time, both sides
Dynamic level shows sound intensity at that time in real time；
The key control module, under the auxiliary of control software, realize automatic/hand tuning, automatic/hand deposit platform,
Volume adjusting and audio handoff functionality.
Beneficial effects of the present invention：The high universalizable digital in-vehicle sound system that the present invention is provided, with STC12C5624AD
Single-chip microcomputer is main control chip, and mould is handled by I2C bus marcos power module, radio receiver module, audio decoder module, power amplifier
Block, audio effect processing module, key control module and LCD MODULE work, complete Digitized three-dimensional radio reception, a variety of audios
Music and external storage equipment are played, and driver can read the working condition of sound system from LCD display, simultaneously
Switching between audio player and radio can also be realized by key-press module, change audio and regulation volume, this hair
It is bright to take sub-module to design, the increase and decrease of each functional module can be realized according to the requirement of client, with good radio reception performance and
Broadcast performance, low in energy consumption and the various operating modes of adaptation, highly versatile.
Brief description of the drawings
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the system schematic of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, the invention provides a kind of high universalizable digital in-vehicle sound system, including main control module, power supply
Module, external interface module, audio decoder module, radio receiver module, audio effect processing module, power amplifier processing module, audio output
Module, LCD MODULE and key control module.
Main control module, using STC12C5624AD single-chip microcomputers, power module, radio mould are controlled by I2C buses respectively
Block and the work of audio decoder module；Wherein, STC12C5624AD single-chip microcomputers can not be decrypted, and processing speed is fast, be common 8051 single
8~12 times of piece machine, operating voltage is wide, reactance voltage shake, the control to system peripherals circuit is realized by software programming, letter
Change the actual design difficulty of system peripherals circuit.
Power module, using advanced electric current output buck switching mode integrated stable voltage circuit LM2575 or LM2576, to hair
Motor and battery output voltage are handled, the voltage output stablized, and effectively overcome what vehicle power supply voltage was exported
Fluctuation.
External interface module：Including USB interface and SD interface, external USB storage device is connected respectively and outside SD is stored
Card.
Audio decoder module, main control module is connected by I2C buses, reads external USB storage device and external storage
Audio file in card, such as Mp3 or wma file, by digital-to-analogue conversion by digital signal decoding into analog signal.
Radio receiver module, main control module is connected by I2C buses, under the control of main control module, completes corresponding registers
Read-write, realizes various function of radio receiver.
Audio effect processing module is there is provided audio effect processing function, and the audio signal from audio decoder module passes through audio effect processing,
Music can be played with a variety of audios such as jazz, rock and roll, allusion, prevalence, bring audience good auditory perception.
Power amplifier processing module, using audio frequency power amplifier process amplifier, amplifies voice-frequency signalling current, amplifies faint audio letter
Number amplitude, reaches the purpose of power amplification.
Dio Output Modules, using players such as loudspeaker, earphones, are played out to the audio signal by amplification.
LCD MODULE, using LCD display, shows the radio reception frequency of radio, the track number of music and
Time, the dynamic level of both sides shows sound intensity at that time in real time.
Key control module, under the auxiliary of control software, realizes that automatic/hand tuning, automatic/hand deposit platform, volume
Regulation and audio handoff functionality.
The high universalizable digital in-vehicle sound system that the present invention is provided, using STC12C5624AD single-chip microcomputers as main control chip,
By I2C bus marcos power module, radio receiver module, audio decoder module, power amplifier processing module, audio effect processing module, press
Key control module and LCD MODULE work, complete Digitized three-dimensional radio reception, a variety of audio musics and external storage
Device plays, driver can read the working condition of sound system from LCD display, while can also pass through button mould
Block, realizes the switching between audio player and radio, changes audio and regulation volume, and the present invention takes sub-module to set
Meter, can realize the increase and decrease of each functional module according to the requirement of client, low in energy consumption with good radio reception performance and broadcast performance
And adapt to various operating modes, highly versatile.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to specific features, structure, material or the feature that the embodiment or example are described
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can be closed in any one or more embodiments or example
Suitable mode is combined.
Above content is only to structure example of the present invention and explanation, affiliated those skilled in the art couple
Described specific embodiment is made various modifications or supplement or substituted using similar mode, without departing from invention
Structure surmounts scope defined in the claims, all should belong to protection scope of the present invention.
Claims (1)
1. a kind of high universalizable digital in-vehicle sound system, it is characterised in that：Including main control module, power module, external interface
Module, audio decoder module, radio receiver module, audio effect processing module, power amplifier processing module, dio Output Modules, liquid crystal display
Module and key control module；
The main control module, using STC12C5624AD single-chip microcomputers, power module, radio mould are controlled by I2C buses respectively
Block and the work of audio decoder module；
The power module, using electric current output buck switching mode integrated stable voltage circuit LM2575 or LM2576, to generator and
Battery output voltage is handled, the voltage output stablized；
The external interface module：Including USB interface and SD interface, external USB storage device is connected respectively and outside SD is stored
Card；
The audio decoder module, main control module is connected by I2C buses, reads external USB storage device and external storage
Audio file in card, by digital-to-analogue conversion by digital signal decoding into analog signal；
The radio receiver module, main control module is connected by I2C buses, under the control of main control module, completes corresponding registers
Read-write, realizes various function of radio receiver；
The audio effect processing module is there is provided audio effect processing function, and the audio signal from audio decoder module passes through audio effect processing,
Music can be played with a variety of audios such as jazz, rock and roll, allusion, prevalence；
The power amplifier processing module, using audio frequency power amplifier process amplifier, amplifies voice-frequency signalling current, amplifies faint audio letter
Number amplitude, reaches the purpose of power amplification；
The dio Output Modules, are played out to the audio signal by amplification；
The LCD MODULE, shows the radio reception frequency of radio, the track number of music and time, the dynamic of both sides
Level shows sound intensity at that time in real time；
The key control module, under the auxiliary of control software, realizes that automatic/hand tuning, automatic/hand deposit platform, volume
Regulation and audio handoff functionality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169781.0A CN106993248A (en) | 2017-03-21 | 2017-03-21 | A kind of high universalizable digital in-vehicle sound system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169781.0A CN106993248A (en) | 2017-03-21 | 2017-03-21 | A kind of high universalizable digital in-vehicle sound system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106993248A true CN106993248A (en) | 2017-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710169781.0A Pending CN106993248A (en) | 2017-03-21 | 2017-03-21 | A kind of high universalizable digital in-vehicle sound system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108389591A (en) * | 2018-04-02 | 2018-08-10 | 河南科技学院 | A kind of play system with Music Appreciation scoring statistical function |
| CN111818424A (en) * | 2019-04-12 | 2020-10-23 | 上海擎感智能科技有限公司 | Audio playing circuit |
| CN115378449A (en) * | 2022-08-24 | 2022-11-22 | 深圳市江楠实业有限公司 | Self-adaptive adjustment method and system for switching power supply frequency and electronic equipment thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202551300U (en) * | 2012-03-24 | 2012-11-21 | 安徽农业大学 | All-digital low-power automobile sound equipment |
| CN203352780U (en) * | 2013-06-20 | 2013-12-18 | 深圳市小马奔腾科技有限公司 | Vehicle-mounted 3D surround sound processing type digital power amplifier |
| CN203457310U (en) * | 2013-07-17 | 2014-02-26 | 东莞市金沃电子有限公司 | Vehicle-mounted sound equipment system with radio station voice recording function |
-
2017
- 2017-03-21 CN CN201710169781.0A patent/CN106993248A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202551300U (en) * | 2012-03-24 | 2012-11-21 | 安徽农业大学 | All-digital low-power automobile sound equipment |
| CN203352780U (en) * | 2013-06-20 | 2013-12-18 | 深圳市小马奔腾科技有限公司 | Vehicle-mounted 3D surround sound processing type digital power amplifier |
| CN203457310U (en) * | 2013-07-17 | 2014-02-26 | 东莞市金沃电子有限公司 | Vehicle-mounted sound equipment system with radio station voice recording function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108389591A (en) * | 2018-04-02 | 2018-08-10 | 河南科技学院 | A kind of play system with Music Appreciation scoring statistical function |
| CN111818424A (en) * | 2019-04-12 | 2020-10-23 | 上海擎感智能科技有限公司 | Audio playing circuit |
| CN115378449A (en) * | 2022-08-24 | 2022-11-22 | 深圳市江楠实业有限公司 | Self-adaptive adjustment method and system for switching power supply frequency and electronic equipment thereof |
| CN115378449B (en) * | 2022-08-24 | 2023-09-15 | 深圳市江楠实业有限公司 | Switching power supply frequency self-adaptive adjusting method and system and electronic equipment thereof |
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Application publication date: 20170728 |
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| RJ01 | Rejection of invention patent application after publication |