CN209191816U - 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
- CN209191816U CN209191816U CN201821690385.9U CN201821690385U CN209191816U CN 209191816 U CN209191816 U CN 209191816U CN 201821690385 U CN201821690385 U CN 201821690385U CN 209191816 U CN209191816 U CN 209191816U
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- instrument board
- connect
- audio
- mcu
- dsp chip
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Abstract
The utility model provides a kind of device 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 are 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 utility model advantage is: realizing in audio-video system and broadcasts with the audio mixing of the source of sound outside audio-video system, promotes driving experience and traffic safety.
Description
Technical field
The utility model relates to a kind of devices of audio mixing casting, refer in particular to a kind of dress for realizing vehicle-mounted multichannel audio mixing casting
It sets.
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 problems to be solved in the utility model is to provide a kind of device for realizing vehicle-mounted multichannel audio mixing casting, lead to
The device is crossed to realize the audio mixing casting of multichannel source of sound, define priority to source of sound.
The utility model is realized in this way: a kind of device for realizing vehicle-mounted multichannel audio mixing casting, including an instrument board, one
External sound source system and an audio-video system, the instrument board are connect with the audio-video system, the instrument board and the outside
Acoustic 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.
Utility model 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 utility model is further described 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 utility model.
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 dress
It sets, 113- telephone device, 141- power amplifier chips, 142- loudspeaker group.
Specific embodiment
It please refers to shown in Fig. 1, a kind of preferable implementation for the device 100 for realizing vehicle-mounted multichannel audio mixing casting of the utility model
Example, including an instrument board 2, an external sound source system 3 and an audio-video system 1, the instrument board 2 connect with the audio-video system 1
It connects, the instrument board 2 is 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 energy
The chip for enough realizing Digital Signal Processing, with large-scale integrated, stability is good, programmability, high speed performance, can
Embeddability, interface and convenient advantage is integrated, it is commonly used, such as TEF6635 chip, industry personnel do not need to pay creation
Property 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, described to lead
Boat device 111, multimedia device 112 or telephone device 113 are connect with the DSP chip 12, and audio data passes through described
Dsp chip 12 is handled.
Utility model works principle: the navigation device 111, multimedia device 112 inside the audio-video system 1 with
And audio data is transmitted to the dsp chip 12 by telephone device 113, the external sound source system 3 will by the instrument board 2
Audio data is transmitted to the dsp chip 12, and the dsp chip 12 handles the audio signal received, user Ke Tong
It crosses MCU13 and priority level initializing is carried out to the processed audio signal of the DSP chip 12；The instrument board 2 passes through a signal wire
The MCU13 is connected, when the instrument board 2 transmits audio data to the dsp chip 12, also by one touching of signal wire transmission
It signals to the MCU13, the audio data that the instrument board 2 transmits is set as highest priority；The MCU13 selection two
The audio data of road highest priority is transferred to the power amplifier chips 141, the power amplifier chips 141 by the dsp chip 12
The audio data received is transferred to the loudspeaker group 142 to play out.
In conclusion the utility model has the advantage 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 those familiar with the art answers the foregoing describe specific embodiment of the present utility model
Working as understanding, we are merely exemplary described specific embodiment, rather than for the limit to the scope of the utility model
Fixed, those skilled in the art modification and variation equivalent made by the spirit according to the utility model all should
Cover in the scope of the claimed protection of the utility model.
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 |
|---|---|---|---|
| CN201821690385.9U CN209191816U (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 |
|---|---|---|---|
| CN201821690385.9U CN209191816U (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 |
|---|---|
| CN209191816U true CN209191816U (en) | 2019-08-02 |
Family
ID=67408320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821690385.9U Expired - Fee Related CN209191816U (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) | CN209191816U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050425A (en) * | 2018-10-18 | 2018-12-21 | 东南（福建）汽车工业有限公司 | A kind of device for realizing vehicle-mounted multichannel audio mixing casting |
| CN112104946A (en) * | 2020-08-21 | 2020-12-18 | 黄冈格罗夫氢能汽车有限公司 | Audio and video entertainment sound management system and strategy for fuel cell hydrogen energy automobile |
-
2018
- 2018-10-18 CN CN201821690385.9U patent/CN209191816U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050425A (en) * | 2018-10-18 | 2018-12-21 | 东南（福建）汽车工业有限公司 | A kind of device for realizing vehicle-mounted multichannel audio mixing casting |
| CN112104946A (en) * | 2020-08-21 | 2020-12-18 | 黄冈格罗夫氢能汽车有限公司 | Audio and video entertainment sound management system and strategy for fuel cell hydrogen energy automobile |
| CN112104946B (en) * | 2020-08-21 | 2022-09-30 | 黄冈格罗夫氢能汽车有限公司 | Audio and video entertainment sound management system and strategy for fuel cell hydrogen energy automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20201018 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |