CN109050425A - A kind of device for realizing vehicle-mounted multichannel audio mixing casting - Google Patents
A kind of device for realizing vehicle-mounted multichannel audio mixing casting Download PDFInfo
- Publication number
- CN109050425A CN109050425A CN201811214502.9A CN201811214502A CN109050425A CN 109050425 A CN109050425 A CN 109050425A CN 201811214502 A CN201811214502 A CN 201811214502A CN 109050425 A CN109050425 A CN 109050425A
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- China
- Prior art keywords
- instrument board
- connect
- audio
- mcu
- dsp chip
- Prior art date
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- Pending
Links
- 238000005266 casting Methods 0.000 title claims abstract description 21
- 230000003321 amplification Effects 0.000 claims abstract description 12
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 12
- 230000003019 stabilising effect Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 230000005236 sound signal Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0217—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for loud-speakers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Human Computer Interaction (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The present invention provides a kind of devices for realizing vehicle-mounted multichannel audio mixing casting, including an instrument board, an external sound source system and an audio-video system, the instrument board to connect with the audio-video system, and the instrument board is connect with the external sound source system；The audio-video system includes a MCU, a dsp chip, a power amplification system and an inside acoustic source system, and the MCU, power amplification system, internal acoustic source system and instrument board are connect with the dsp chip, and the MCU is connect with the instrument board.Multichannel source of sound is handled by dsp chip, carries out priority ranking through MCU, the two-way source of sound of highest priority is selected to carry out audio mixing casting.The invention has the advantages that: it realizes in audio-video system and is broadcasted with the audio mixing of the source of sound outside audio-video system, promote driving experience and traffic safety.
Description
Technical field
The present invention relates to a kind of devices of audio mixing casting, refer in particular to a kind of device for realizing vehicle-mounted multichannel audio mixing casting.
Background technique
In recent years, it with the development of all kinds of driving softwares, is got over by the demand that interior multimedia provides audio to driver
Come it is more, have based on entertainment multi-media signal, have based on navigation drive prompt audio signal, have based on safety auxiliary drive
Warning note audio signal sailed etc..But currently, the audio of onboard system plays the audio mixing for being only able to achieve the fixed source of sound of two-way
Casting, and be the inside source of sound of vehicle carried video system, it cannot achieve the multi-path choice of vehicle carried video system source of sound and external sound source
Audio mixing casting, driving experience is bad, also unfavorable to traffic safety.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of device for realizing vehicle-mounted multichannel audio mixing casting, by this
Device come realize multichannel source of sound audio mixing casting, priority is defined to source of sound.
The present invention is implemented as follows: a kind of device for realizing the casting of vehicle-mounted multichannel audio mixing, including an instrument board, outside one
Acoustic source system and an audio-video system, the instrument board are connect with the audio-video system, the instrument board and the external sound source
System connection；
The audio-video system include a MCU, a dsp chip, a power amplification system and an inside acoustic source system, the MCU,
Power amplification system, internal acoustic source system and instrument board are connect with the dsp chip, and the MCU is connect with the instrument board.
The external sound source system is tank mounting, engine device, gearbox device, air bag device, tire pressure are detectd
Survey device, electronic power steering apparatus or vehicle body stabilising arrangement.
The engine device, gearbox device, air bag device, tire pressure detection device, electronic power steering apparatus
Or vehicle body stabilising arrangement passes through a CAN bus and connect with the instrument board, the tank mounting and MCU pass through a letter
Number line is connect with the instrument board.
The power amplification system includes a power amplifier chips and a loudspeaker group, the loudspeaker group and dsp chip with
The power amplifier chips connection.
The internal acoustic source system is navigation device, multimedia device or telephone device, the navigation device, multimedia
Device or telephone device are connect with the dsp chip.
The present invention has the advantages that
1, it is connect by the instrument board with the audio-video system because of the external sound source system, realizes the internal source of sound
The audio mixing of system and the external sound source system plays.
2, because the audio-video system is provided with the MCU, the priority level initializing to source of sound casting is realized.
3, because that can broadcast setting priority to source of sound, the fault cues of vehicle can be broadcasted preferentially, improve travel safety.
Detailed description of the invention
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is a kind of schematic block circuit diagram for the device for realizing vehicle-mounted multichannel audio mixing casting of the present invention.
Detailed description of the invention:
A kind of device for realizing vehicle-mounted multichannel audio mixing casting of 100-, 1- audio-video system, 2- instrument board, 3- external sound source system
System, the inside 11- acoustic source system, 12-DSP chip, 13-MCU, 14- power amplification system, 111- navigation device, 112- multimedia device,
113- telephone device, 141- power amplifier chips, 142- loudspeaker group.
Specific embodiment
It please refers to shown in Fig. 1, a kind of preferred embodiment for the device 100 for realizing vehicle-mounted multichannel audio mixing casting of the present invention, packet
An instrument board 2, an external sound source system 3 and an audio-video system 1 are included, the instrument board 2 is connect with the audio-video system 1, institute
Instrument board 2 is stated to connect with the external sound source system 3；
The audio-video system 1 includes a MCU13, a dsp chip 12, a power amplification system 14 and an inside acoustic source system
11, the MCU13, power amplification system 14, internal acoustic source system 11 and instrument board 2 are connect with the dsp chip 12, described
MCU13 is connect with the instrument board 2, and the priority that 12 internal audio frequency of dsp chip plays is arranged by the MCU13, and
It is played by the source of sound of MCU13 selection two-way highest priority by the power amplification system 14；The dsp chip 12 refers to
The chip for realizing Digital Signal Processing, with large-scale integrated, stability is good, programmability, high speed performance, can be embedding
Entering property, interface and convenient advantage is integrated, it is commonly used, such as TEF6635 chip, industry personnel do not need to pay creativeness
Labour can be obtained.
The external sound source system 3 be tank mounting (not shown), engine device (not shown), gearbox device (not
Diagram), air bag device (not shown), tire pressure detection device (not shown), electronic power steering apparatus (not shown) or
Vehicle body stabilising arrangement (not shown), the sound that the external sound source system 3 plays are dependent failure prompt tone and alarm prompt
Sound.
The engine device, gearbox device, air bag device, tire pressure detection device, electronic power steering apparatus
Or vehicle body stabilising arrangement passes through a CAN bus and connect with the instrument board 2, the tank mounting and MCU13 pass through
One signal wire is connect with the instrument board 2, is passed through while the instrument board 2 transmits audio signal to dsp chip 12
Signal wire sends a trigger signal and sets the priority of the external sound source system 3 to most to the MCU13, the MCU13
Advanced, the preferential fault cues information for playing vehicle, the trigger signal can reduce interference by differential transfer.
The power amplification system 14 include a power amplifier chips 141 and a loudspeaker group 142, the loudspeaker group 142 and
Dsp chip 12 is connect with the power amplifier chips 141.
The internal acoustic source system 11 is navigation device 111, multimedia device 112 or telephone device 113, the navigation
Device 111, multimedia device 112 or telephone device 113 are connect with the dsp chip 12, and audio data passes through the DSP
Chip 12 is handled.
Working principle of the present invention: the navigation device 111, multimedia device 112 and electricity inside the audio-video system 1
Audio data is transmitted to the dsp chip 12 by words device 113, and the external sound source system 3 is by the instrument board 2 by audio
Data are transmitted to the dsp chip 12, and the dsp chip 12 handles the audio signal received, and user can pass through
MCU13 carries out priority level initializing to the processed audio signal of the dsp chip 12；The instrument board 2 is connected by a signal wire
The MCU13 is met, when the instrument board 2 transmits audio data to the dsp chip 12, also by one triggering of signal wire transmission
The audio data that the instrument board 2 transmits is set as highest priority to the MCU13 by signal；The MCU13 selects two-way
The audio data of highest priority is transferred to the power amplifier chips 141 by the dsp chip 12, and the power amplifier chips 141 will
The audio data received is transferred to the loudspeaker group 142 and plays out.
In conclusion the invention has the following advantages that
1, it is connect by the instrument board 2 with the audio-video system 1 because of the external sound source system 3, realizes the inside
Acoustic source system 11 and the audio mixing of the external sound source system 3 play.
2, because the audio-video system 1 is provided with the MCU13, the priority level initializing to source of sound casting is realized.
3, because that can broadcast setting priority to source of sound, the fault cues of vehicle can be broadcasted preferentially, improve travel safety.
Although specific embodiments of the present invention have been described above, those familiar with the art should be managed
Solution, we are merely exemplary described specific embodiment, rather than for the restriction to the scope of the present invention, it is familiar with this
The technical staff in field should be covered of the invention according to modification and variation equivalent made by spirit of the invention
In scope of the claimed protection.
Claims (5)
1. a kind of device for realizing vehicle-mounted multichannel audio mixing casting, including an instrument board, an external sound source system and an audio-visual system
System, it is characterised in that: the instrument board is connect with the audio-video system, and the instrument board is connect with the external sound source system；
The audio-video system includes a MCU, a dsp chip, a power amplification system and an inside acoustic source system, the MCU, power amplifier
System, internal acoustic source system and instrument board are connect with the dsp chip, and the MCU is connect with the instrument board.
2. a kind of device for realizing vehicle-mounted multichannel audio mixing casting as described in claim 1, it is characterised in that: the external sound source
System is tank mounting, engine device, gearbox device, air bag device, tire pressure detection device, electronic power assist steering dress
It sets or vehicle body stabilising arrangement.
3. a kind of device for realizing vehicle-mounted multichannel audio mixing casting as claimed in claim 2, it is characterised in that: the engine dress
It sets, gearbox device, air bag device, tire pressure detection device, electronic power steering apparatus or vehicle body stabilising arrangement lead to
It crosses a CAN bus to connect with the instrument board, the tank mounting and MCU pass through a signal wire and instrument board company
It connects.
4. a kind of device for realizing vehicle-mounted multichannel audio mixing casting as described in claim 1, it is characterised in that: the power amplification system
Including a power amplifier chips and a loudspeaker group, the loudspeaker group and dsp chip are connect with the power amplifier chips.
5. a kind of device for realizing vehicle-mounted multichannel audio mixing casting as described in claim 1, it is characterised in that: the internal source of sound
System be navigation device, multimedia device perhaps the telephone device navigation device, multimedia device or telephone device with
The dsp chip connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811214502.9A CN109050425A (en) | 2018-10-18 | 2018-10-18 | A kind of device for realizing vehicle-mounted multichannel audio mixing casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811214502.9A CN109050425A (en) | 2018-10-18 | 2018-10-18 | A kind of device for realizing vehicle-mounted multichannel audio mixing casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109050425A true CN109050425A (en) | 2018-12-21 |
Family
ID=64764125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811214502.9A Pending CN109050425A (en) | 2018-10-18 | 2018-10-18 | A kind of device for realizing vehicle-mounted multichannel audio mixing casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109050425A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103713A (en) * | 2019-04-23 | 2019-08-09 | 浙江合众新能源汽车有限公司 | A kind of novel compositions instrument audible alarm reminding method |
| CN111459455A (en) * | 2020-04-02 | 2020-07-28 | 北京四维智联科技有限公司 | Vehicle-mounted audio control method and device and vehicle-mounted system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103617803A (en) * | 2013-11-08 | 2014-03-05 | 中标软件有限公司 | Multi-sound-source automatic switching method and system on vehicle-mounted system |
| CN107180205A (en) * | 2016-03-11 | 2017-09-19 | 比亚迪股份有限公司 | A kind of in-vehicle multi-media system and vehicle |
| CN108062215A (en) * | 2017-11-22 | 2018-05-22 | 上海博泰悦臻电子设备制造有限公司 | Vehicle source of sound control method and system, vehicle and its car-mounted terminal |
| CN108268233A (en) * | 2016-12-30 | 2018-07-10 | 乐视汽车（北京）有限公司 | Sound source control method, device and vehicle |
| CN209191816U (en) * | 2018-10-18 | 2019-08-02 | 东南（福建）汽车工业有限公司 | A kind of device for realizing vehicle-mounted multichannel audio mixing casting |
-
2018
- 2018-10-18 CN CN201811214502.9A patent/CN109050425A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103617803A (en) * | 2013-11-08 | 2014-03-05 | 中标软件有限公司 | Multi-sound-source automatic switching method and system on vehicle-mounted system |
| CN107180205A (en) * | 2016-03-11 | 2017-09-19 | 比亚迪股份有限公司 | A kind of in-vehicle multi-media system and vehicle |
| CN108268233A (en) * | 2016-12-30 | 2018-07-10 | 乐视汽车（北京）有限公司 | Sound source control method, device and vehicle |
| CN108062215A (en) * | 2017-11-22 | 2018-05-22 | 上海博泰悦臻电子设备制造有限公司 | Vehicle source of sound control method and system, vehicle and its car-mounted terminal |
| CN209191816U (en) * | 2018-10-18 | 2019-08-02 | 东南（福建）汽车工业有限公司 | A kind of device for realizing vehicle-mounted multichannel audio mixing casting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103713A (en) * | 2019-04-23 | 2019-08-09 | 浙江合众新能源汽车有限公司 | A kind of novel compositions instrument audible alarm reminding method |
| CN111459455A (en) * | 2020-04-02 | 2020-07-28 | 北京四维智联科技有限公司 | Vehicle-mounted audio control method and device and vehicle-mounted system |
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