CN105516853A - On-board entertainment system sound effect parameter debugging device and debugging method - Google Patents
On-board entertainment system sound effect parameter debugging device and debugging method Download PDFInfo
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Abstract
The invention provides an on-board entertainment system sound effect parameter debugging device and a debugging method. The debugging device comprises an on-board entertainment system module, a sound effect parameter debugging module, and a wireless communication module. The on-board entertainment system module and the sound effect parameter debugging module are connected with the wireless communication module, and the wireless communication between the on-board entertainment system module and the sound effect parameter debugging module can be realized by the wireless communication module. The sound effect parameter debugging module is used for the real-time modification of the sound effect parameters, and is used for the generating of the sound effect parameter debugging files. The sound effect parameters and the sound effect parameter debugging files can be transmitted to the on-board entertainment system module by the wireless communication module. The on-board entertainment system can be used to play the entertainment files according to the sound effect parameters, and can be used to store the sound effect parameter debugging files. By adopting the technical scheme provided by the invention, the own wireless communication module can be used for the sound effect parameter debugging, and the introducing of the wire harness is not required, and in addition, the sound effect parameter can be stored independently, and therefore the debugging device and the debugging method are compatible with different vehicle models.
Description
Technical field
The present invention relates to sound effect parameters debugging field, be specifically related to a kind of vehicle entertainment system sound effect parameters coalignment and method.
Background technology
Along with the development of automotive electronic technology, vehicle entertainment system also becomes a pith of automobile, and user requires also more and more higher to the tonequality of vehicle entertainment system.Due to the particularity of vapour interior space, the coupling of real vehicle sound effect parameters must be carried out, just can reach best acoustical quality.The existing coupling about sound effect parameters, usually 3 kinds of processing methods are below had: 1. do not carry out real vehicle parameter matching, test and the adjustment of objective parameter is only carried out in laboratory, the actual vehicle do not used according to entertainment systems carries out the debugging of sound effect parameters on the spot, audio and vehicle can be caused like this not to mate, and acoustical quality is poor; 2. the DSP being directly connected to entertainment systems inside by IIC debugs, as shown in Figure 1, this mode needs from entertainment systems interior welds connecting line out, be connected to computer, complicated operation, and may can communicate with DSP with computer due to MCU, cause communication contention aware, the correctness of affecting parameters debugging; simultaneously 3. be connected to entertainment systems inside by UART to debug, as shown in Figure 2, the UART of entertainment systems inside is connected on the connector of external equipment, then computer is connected to by serial ports, computer communicates with the MCU of entertainment systems, this mode needs the wiring harness interface taking connector, can bring the problem of cost increase and fail safe.In addition; above-mentioned the 2nd kind and the 3rd kind of method all need rat tail; be inconvenient to debug; and after debugging; usually can by the data integration of having debugged in software code; then, inside the flash storage being solidificated in internal system, entertainment systems can be caused so often to change an application scenarios, all need to modify to software.
Summary of the invention
The present invention is directed to the above-mentioned defect existing for prior art, a kind of vehicle entertainment system sound effect parameters matching scheme based on wireless technology is provided, can conveniently carry out the debugging of real vehicle sound effect parameters, and using EEPROM as sound effect parameters storage medium, parameter downloads stores to EEPROM, vehicle that can be compatible different.
The present invention proposes a kind of vehicle entertainment system sound effect parameters debugging apparatus, this device comprises: vehicle entertainment system module, sound effect parameters debugging module and wireless communication module, described vehicle entertainment system module and sound effect parameters debugging module are all connected with described wireless communication module, radio communication is carried out by described wireless communication module between described vehicle entertainment system module and sound effect parameters debugging module, described sound effect parameters debugging module is used for real time modifying sound effect parameters and generates sound effect parameters debugging file, described sound effect parameters and described sound effect parameters debugging file are sent in described vehicle entertainment system module by described wireless communication module, described vehicle entertainment system is play entertainment file according to described sound effect parameters and is stored described sound effect parameters debugging file.
Preferably, described vehicle entertainment system module comprises micro controller module, digital signal processing module and EEPROM module, described micro controller module is connected with described EEPROM module and described digital signal processing module respectively, described wireless communication module is used for carrying out radio communication between described micro controller module and described sound effect parameters debugging module, described EEPROM module is used for storing through described sound effect parameters debugging file, and described digital signal processing module is used for processing described sound effect parameters and playing entertainment file according to described sound effect parameters.
Preferably, described wireless communication module is bluetooth module.
The present invention also proposes a kind of vehicle entertainment system sound effect parameters adjustment method, and the method comprises:
1) in sound effect parameters debugging module, sound effect parameters is inputted;
2) by wireless communication module, described sound effect parameters is sent to described micro controller module;
3) described sound effect parameters controls to be forwarded to described digital signal processing module by described micro controller module;
4) described digital signal processing module processes described sound effect parameters and plays entertainment file according to described sound effect parameters;
5) judge whether the entertainment file play according to described sound effect parameters meets expection audio frequency effect, if meet, then enters step 6), otherwise revises sound effect parameters and repeat step 1) to 4) until meet the audio frequency effect of expection;
6) described sound effect parameters debugging module generates debugging file and is sent to described microcontroller by described wireless communication module;
7) described debugging file is controlled to be forwarded to described EEPROM module and stores by described microcontroller.
Tool of the present invention has the following advantages and beneficial effect:
1, the wireless communication module utilizing system to carry carries out radio communication, does not need rat tail, also wireless other means of communication of extra increase during real vehicle debugging.
2, a software may be used for multiple different vehicle, and different vehicles only needs to download audio data file and is stored in the EEPROM of entertainment systems, without the need to changing whole debugging software.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, accompanying drawing required in describing embodiment is done simple introduction below, apparently, accompanying drawing described below is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that in prior art, IIC wired mode realizes sound effect parameters debug system structural representation.
Fig. 2 is that in prior art, UART wired mode realizes sound effect parameters debug system structural representation.
Fig. 3 is that in the embodiment of the present invention, Blue-tooth communication method realizes sound effect parameters debug system structural representation.
System interaction schematic diagram when Fig. 4 is audio parameter testing in the embodiment of the present invention.
Embodiment
Elaborate below in conjunction with the embodiment of Figure of description to the embodiment of the present invention.
As shown in Figure 3, select the PC being mounted with graphical debugging acid as sound effect parameters debugging module in the present embodiment, select bluetooth module that automobile and PC carry as wireless communication module, then described vehicle entertainment system sound effect parameters debugging apparatus comprises vehicle entertainment system module, bluetooth module and PC, wherein vehicle entertainment system module comprises again micro controller module MCU, and the digital signal processing module DSP to be connected respectively with described MCU and memory EEPROM, the MCU of vehicle entertainment system inside and PC carry out radio communication by bluetooth module, communicate with IIC between MCU and DSP, MCU and EEPROM IIC communicates, communicate with UART between MCU with bluetooth module, PC is communicated with bluetooth module by Bluetooth protocol FileTransferProfile.
As shown in Figure 4, when debugging the vehicle entertainment system sound effect parameters of certain vehicle, PC sends connection request by bluetooth module to the MCU in vehicle entertainment system, MCU responds this connection request, wireless connections between foundation and PC also return response message to PC, after PC receives described response message, user is in the debugging acid interface of PC input sound effect parameters, and described sound effect parameters is sent to MCU by bluetooth module, MCU forwards it in DSP again, after described DSP receives described sound effect parameters, this sound effect parameters processed and play corresponding entertainment file, user judges the audio frequency effect of described entertainment file by auditory perception, if user feels dissatisfied, then in the debugging acid interface of PC, re-enter new sound effect parameters, and this new sound effect parameters is forwarded to DSP by MCU plays, if user is also dissatisfied, sound effect parameters can be revised further and repeat above-mentioned debugging step till user feels that audio is satisfied, if the satisfied audio play of user, then the debugging file generated at PC end is sent to MCU by bluetooth module, described debugging file is forwarded in EEPROM module and stores by MCU again, a memory response message can be returned by MCU to PC after EEPROM stores described debugging file, after PC receives described memory response message, request disconnects the connection with MCU, after MCU receives described disconnection request, disconnect with the connection of PC and return and disconnect request response to PC, so far the vehicle entertainment system sound effect parameters debugging of this kind of vehicle is namely completed.
For the vehicle entertainment system of different automobile types, make customer satisfaction system sound effect parameters may be different, that is, the vehicle entertainment system of different automobile types, the sound effect parameters that the debugging of its storage inside is good is different, for the ease of real time modifying and applying in a flexible way, in the application, the sound effect parameters of having debugged is stored in separately in EEPROM, instead of be solidificated in together with debugging software in FLASH memory, the benefit done like this is that user is when debugging the entertainment systems audio of different automobile types, only need to revise separately the sound effect parameters be stored in EEPROM, and without the need to global revision solidification debugging software.
Employ bluetooth module that automobile and PC carry in above-described embodiment to set up the communication between vehicle entertainment system and debugging acid, in practice, also can use other wireless communication modules, as infrared etc.
In the application except judging audio frequency effect by the auditory perception of user, also can carry out testing audio result of broadcast by means of equipment such as testers, the concrete mode of qualification audio frequency effect not limited by embodiment cited by the present invention.
The wireless communication module that vehicle entertainment system sound effect parameters debugging apparatus provided by the present invention and method carry based on system is debugged, and without the need to accessing wire harness and other extras, conveniently can carry out real vehicle parameter testing.And using EEPROM as parameter storage medium, parameter downloads stores to EEPROM, vehicle that can be compatible different.
The above embodiment only have expressed preferred embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (4)
1. a vehicle entertainment system sound effect parameters debugging apparatus, this device comprises: vehicle entertainment system module and sound effect parameters debugging module, it is characterized in that, also comprise wireless communication module, described vehicle entertainment system module and sound effect parameters debugging module are all connected with described wireless communication module, radio communication is carried out by described wireless communication module between described vehicle entertainment system module and sound effect parameters debugging module, described sound effect parameters debugging module is used for real time modifying sound effect parameters and generates sound effect parameters debugging file, described sound effect parameters and described sound effect parameters debugging file are sent in described vehicle entertainment system module by described wireless communication module, described vehicle entertainment system is play entertainment file according to described sound effect parameters and is stored described sound effect parameters debugging file.
2. a kind of vehicle entertainment system sound effect parameters debugging apparatus according to claim 1, it is characterized in that, described vehicle entertainment system module comprises micro controller module, digital signal processing module and EEPROM module, described micro controller module is connected with described EEPROM module and described digital signal processing module respectively, described wireless communication module is used for carrying out radio communication between described micro controller module and described sound effect parameters debugging module, described EEPROM module is used for storing through described sound effect parameters debugging file, described digital signal processing module is used for processing described sound effect parameters and playing entertainment file according to described sound effect parameters.
3. a kind of vehicle entertainment system sound effect parameters debugging apparatus according to claim 1 and 2, it is characterized in that, described wireless communication module is bluetooth module.
4. use the vehicle entertainment system sound effect parameters debugging apparatus described in claim 1 or 2 to carry out a method for sound effect parameters debugging, it is characterized in that, the method comprises the steps:
1) in sound effect parameters debugging module, sound effect parameters is inputted;
2) by wireless communication module, described sound effect parameters is sent to described micro controller module;
3) described sound effect parameters controls to be forwarded to described digital signal processing module by described micro controller module;
4) described digital signal processing module processes described sound effect parameters and plays entertainment file according to described sound effect parameters;
5) judge whether the entertainment file play according to described sound effect parameters meets expection audio frequency effect, if meet, then enters step 6), otherwise revises sound effect parameters and repeat step 1) to 4) until meet the audio frequency effect of expection;
6) described sound effect parameters debugging module generates debugging file and is sent to described microcontroller by described wireless communication module;
7) described debugging file is controlled to be forwarded to described EEPROM module and stores by described microcontroller.
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| CN109683915A (en) * | 2018-12-03 | 2019-04-26 | 深圳市广和通无线股份有限公司 | Parameter amending method, device, computer equipment and storage medium |
| CN109960485A (en) * | 2017-12-26 | 2019-07-02 | 安凯(广州)微电子技术有限公司 | A kind of audio adjustment method, audio debugging apparatus and terminal device |
| CN110557214A (en) * | 2019-08-08 | 2019-12-10 | 延锋伟世通电子科技（南京）有限公司 | Portable vehicle-mounted audio and radio testing terminal and method based on wireless communication |
| CN110703645A (en) * | 2019-09-30 | 2020-01-17 | 惠州市德赛西威汽车电子股份有限公司 | Online debugging system and method for automobile low-speed prompt tone device |
| CN111679805A (en) * | 2020-05-11 | 2020-09-18 | 深圳市有方科技股份有限公司 | Audio hardware parameter setting method and related equipment |
| CN113411735A (en) * | 2021-06-03 | 2021-09-17 | 惠州市德赛西威汽车电子股份有限公司 | Real vehicle sound effect design and debugging system |
| CN111148007B (en) * | 2019-12-25 | 2021-12-24 | 歌尔股份有限公司 | Tone quality adjusting method, wireless transmitting equipment, tone quality adjusting system and medium |
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