CN202373299U - Vehicle-mounted multi-media video machine - Google Patents

Vehicle-mounted multi-media video machine Download PDF

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Publication number
CN202373299U
CN202373299U CN2011205441163U CN201120544116U CN202373299U CN 202373299 U CN202373299 U CN 202373299U CN 2011205441163 U CN2011205441163 U CN 2011205441163U CN 201120544116 U CN201120544116 U CN 201120544116U CN 202373299 U CN202373299 U CN 202373299U
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China
Prior art keywords
module
signal
multimedia
audio
decoding
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Expired - Fee Related
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CN2011205441163U
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Chinese (zh)
Inventor
何新国
沙强
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TIANJIN HANGSHENG ELECTRONICS CO Ltd
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TIANJIN HANGSHENG ELECTRONICS CO Ltd
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Priority to CN2011205441163U priority Critical patent/CN202373299U/en
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Abstract

The utility model provides a vehicle-mounted multi-media video machine, which comprises a radio module for receiving frequency modulation/amplitude modulation (FM/AM) signals and outputting FM/AM sound signals, a decoding controller for reading and decoding multi-media signals, an audio playing module, a video playing module and a microprocessor. The audio frequency playing module is connected with the radio module and the multi-media decoding module and used for playing the FM/AM sound signals and multi-media sound signals, the video frequency playing module is connected with the multi-media decoding module and used for playing multi-media video signals, and the microprocessor controls the radio module, the decoding controller, the audio playing module and the video playing module through buses. By means of the multi-media decoding module, the defects that in the prior art, tapes or optical disks serving as storage media are short in service life, poor in shock resistance and the like are overcome. Simultaneously, the vehicle-mounted multi-media video machine can play video signals, can perform global position system (GPS) location, navigation and improves user experience.

Description

The audio-visual machine of vehicle mounted multimedia
Technical field
The utility model embodiment relates to the audio-visual machine of a kind of novel vehicle mounted multimedia, but relates in particular to a kind of audio-visual machine of vehicle mounted multimedia of play multimedia signal.
Background technology
Along with the continuous progress and the development of society, automobile spreads to family gradually as a kind of high consumption product, and people are also improving constantly the requirement of stereo set in the car.
The audio-visual machine of present known vehicle mounted multimedia is to be made up of radio and magnetic tape sound reproducer or CD-ROM device.And tape has shortcomings such as volume is big, capacity is little, the life-span is short, shock resistance difference, the life-span of CD and shock resistance are also bad, and the user cannot freely select to play the program of oneself liking, and it is very poor to make the user experience.
Summary of the invention
The purpose of the utility model development is to provide a kind of vehicle mounted multimedia audio-visual machine, in order to solve the defective that available technology adopting tape or CD cause as storage medium, to improve user's experience.
The utility model is realized through following step, sees accompanying drawing 1, and it comprises: be used to the radio reception module that receives the FM/AM signal and export the FM/AM sound signal; With said radio reception module audio playing module that be connected, that be used to play said FM/AM sound signal; The microprocessor that carries out data communication through said radio reception module of total line traffic control and said audio playing module; It is characterized in that: be used to read and the decode controller of decoding multimedia signal, decode controller comprises multimedia decoding module that the said multi-media signal that reads is decoded as multimedia audio signal and multimedia video signal and controls said multimedia decoding module and carry out the control module of decode operation; That be connected with said multimedia decoding module and be used to play the video playback module of said multimedia video signal; Be connected and be used to play the audio playing module of said multimedia audio signal with said multimedia decoding module; Said microprocessor through bus controls said decode controller and said video playback module is carried out data communication; Said multimedia decoding module also is used under the control of said control module, is the MP3 sound signal with the MP3 signal decoding that reads, and is sent to said audio playing module.
Also comprise the GPS navigation module; Be connected with said microprocessor, said audio playing module and said video playback module; Be used under the control of said microprocessor; The GPS navigation sound signal that receives is sent to said audio playing module, the GPS navigation vision signal that receives is sent to said video playback module.
Said decode controller also comprises and is used to SD card that connects the SD card and receive said MP3 signal or said multi-media signal and the USB interface that is used to be connected USB flash disk and receive said MP3 signal or said multi-media signal.
Said video playback module also comprises touch-screen, is connected with said microprocessor through touch screen control module, is used for to said microprocessor input control order.
Advantage of the utility model and good effect: the utility model is through adding the multimedia decoding module; Available technology adopting tape or CD have been solved as defectives such as the life-span weak point of storage medium, shock resistance differences; Simultaneously can broadcast video signal; The user can freely select program, also can carry out GPS location and navigation, has improved user's experience.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model; Needed accompanying drawing is done to introduce simply in will describing the utility model below; Obviously, the accompanying drawing in describing below is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the circuit block diagram of audio-visual machine one embodiment of the utility model vehicle mounted multimedia;
Fig. 2 is the circuit block diagram of audio-visual another embodiment of machine of the utility model vehicle mounted multimedia.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model clearer; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the circuit block diagram of the audio-visual machine embodiment of the utility model vehicle mounted multimedia.As shown in Figure 1, the utility model embodiment provides a kind of novel on-vehicle multimedia video machine, comprising: radio reception module 1, decode controller 2, audio playing module 3, video playback module 4 and microprocessor 5.Wherein, radio reception module 1 is used to receive the FM/AM signal and exports the FM/AM sound signal; Decode controller 2 is used to read the also decode controller of decoding multimedia signal; This decode controller 2 can comprise multimedia decoding module 21 and control module 22; Multimedia decoding module 21 is used for the multi-media signal that receives is decoded as multimedia audio signal or multimedia video signal, and control module 22 control multimedia decoding modules 21 are carried out decode operation; Audio playing module 3 is connected with multimedia decoding module 21 with radio reception module 1, is used to play FM/AM sound signal or multimedia audio signal; Video playback module 4 is connected with multimedia decoding module 21, is used for the play multimedia vision signal; Microprocessor 5 carries out data communication through total line traffic control radio reception module 1, decode controller 2, audio playing module 3 and video playback module 4.
In the present embodiment, the user can carry out data communication with radio reception module 1 and decode controller 2 through microprocessor 5 control audio playing modules 3; The user also can carry out data communication with decode controller 2 through microprocessor 5 control of video playing modules 4.Microprocessor 5 is as the main control chip of the audio-visual machine of vehicle mounted multimedia; To radio reception module 1, decode controller 2, audio playing module 3 and video playback module 4 sending controling instructions, realize the radio reception of FM/AM sound signal or the broadcast of multi-media signal through input/output bus.The control operation of decoding of 22 pairs of multimedia decoding modules 21 of control module.Multimedia decoding module 21 can be decoded to multiple formatted files such as MPEG-4, AVI, DIVX, RM, RMVB, WMA, MP3 and JPEG.
The audio-visual machine of the vehicle mounted multimedia of the utility model embodiment; Through adding the multimedia decoding module; Solved available technology adopting tape or CD as defectives such as the life-span weak point of storage medium, shock resistance differences, simultaneously can broadcast video signal, improved user's experience.
Fig. 2 is the circuit block diagram of audio-visual another embodiment of machine of the utility model vehicle mounted multimedia.As shown in Figure 2, on the basis of the foregoing description, multimedia decoding module 21 also is used under the control of control module 22, is the MP3 sound signal with the MP3 signal decoding that receives, and is sent to audio playing module 3.
In the present embodiment; The user can play the FM/AM signal that radio reception modules 1 receive through microprocessor 5 control audio playing modules 3, and perhaps 21 pairs of multi-media signals that read of play multimedia decoder module carry out the multimedia audio signal after the decoding processing.
On the basis of the foregoing description; The audio-visual machine of the vehicle mounted multimedia that the utility model embodiment provides can also comprise: GPS navigation module 6; This GPS navigation module 6 is connected with microprocessor 5, audio playing module 3 and video playback module 4; Be used under the control of microprocessor 5, the GPS navigation sound signal that receives is sent to audio playing module 3, the GPS navigation vision signal that receives is sent to video playback module 4.
Decode controller 2 through be integrated in its inner input/output interface can with NAND Flash storer 7 or Double Data Rate (Double Data Rate; Hereinafter to be referred as: DDR) SDRAM Flash storer 8 links to each other, and is used for the bigger multimedia video signal of cache information amount.Decode controller 2 also comprises the SD card 24 that is used to connect SD card 9 and receive MP3 signal or multi-media signal and is connected USB flash disk 10 and receives the USB interface 25 of MP3 signal or multi-media signal.
In addition, the audio-visual machine of the vehicle mounted multimedia that the utility model provides can also comprise: keyboard 11, this keyboard 11 is connected with microprocessor 5, is used for to microprocessor 5 input control orders.
Video playback module 4 can show according to the duty of microprocessor 5 or the steering order of display keyboard 11 inputs.This video playback module 4 can be display screen and touch-screen, and display screen promptly can show the multimedia video signal, is connected with microprocessor 5 through touch screen control module, is used for to microprocessor 5 input control orders.Also can adopt telepilot substituting for key 11 or touch-screen, to the microprocessor input control order.
Particularly, the user can pass through keyboard 11 to microprocessor 5 input control orders, for example, and steering orders such as broadcast, time-out, selected songs.After the user plays the steering order of MP3 signal through keyboard 11 or touch-screen input; Microprocessor 5 is sent to decode controller 2 through bus with this steering order; These decode controller 2 inside have the USB interface 25 and SD card 24 of HOST function; Verify being stored in MP3 signal or multi-media signal in USB flash disk or the SD card, operations such as decoding, digital-to-analog conversion, play at last.
After the user was through keyboard 11, telepilot or touch-screen input GPS navigation steering order, microprocessor 5 can carry out GPS navigation under the state that continues radio reception.GPS navigation module 6 with the positioning signal of the GPS that receives through universal asynchronous reception/dispensing device (Universal Asynchronous Receiver/Transmitter; Hereinafter to be referred as: UART) be sent to the built-in GPS navigation engine of decode controller 2, can position through the information that receives, operation such as navigation.
Further, audio playing module 3 can comprise: electronic sound volume control module and power amplifier.Wherein, the electronic sound volume control module carries out volume control according to the steering order of microprocessor 5 to the sound signal of folding and unfolding sound, and is sent to power amplifier; Being sent to loudspeaker after the sound signal processing and amplifying of power amplifier with the folding and unfolding sound plays.
The audio-visual machine of the vehicle mounted multimedia of the utility model embodiment; Through adding multimedia decoding module and GPS navigation module; Solved available technology adopting tape or CD as defectives such as the life-span weak point of storage medium, shock resistance differences, simultaneously can broadcast video signal, the user can freely select broadcast program; Also can carry out GPS location, navigation, improve user's experience.
What should explain at last is: above embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.

Claims (5)

1. audio-visual machine of vehicle mounted multimedia, it comprises: be used to the radio reception module that receives the FM/AM signal and export the FM/AM sound signal; With said radio reception module audio playing module that be connected, that be used to play said FM/AM sound signal; The microprocessor that carries out data communication through said radio reception module of total line traffic control and said audio playing module; It is characterized in that: be used to read and the decode controller of decoding multimedia signal, decode controller comprises multimedia decoding module that the said multi-media signal that reads is decoded as multimedia audio signal and multimedia video signal and controls said multimedia decoding module and carry out the control module of decode operation; That be connected with said multimedia decoding module and be used to play the video playback module of said multimedia video signal; Be connected and be used to play the audio playing module of said multimedia audio signal with said multimedia decoding module; Said microprocessor through bus controls said decode controller and said video playback module is carried out data communication.
2. the audio-visual machine of vehicle mounted multimedia according to claim 1 is characterized in that: said multimedia decoding module, also be used under the control of said control module, and be the MP3 sound signal with the MP3 signal decoding that reads, and be sent to said audio playing module.
3. the audio-visual machine of vehicle mounted multimedia according to claim 1 and 2; It is characterized in that: also comprise the GPS navigation module; Be connected with said microprocessor, said audio playing module and said video playback module; Be used under the control of said microprocessor, the GPS navigation sound signal that receives is sent to said audio playing module, the GPS navigation vision signal that receives is sent to said video playback module.
4. the audio-visual machine of vehicle mounted multimedia according to claim 2 is characterized in that: said decode controller also comprises and is used to SD card that connects the SD card and receive said MP3 signal or said multi-media signal and the USB interface that is used to be connected USB flash disk and receive said MP3 signal or said multi-media signal.
5. the audio-visual machine of vehicle mounted multimedia according to claim 1 is characterized in that: said video playback module also comprises touch-screen, is connected with said microprocessor through touch screen control module, is used for to said microprocessor input control order.
CN2011205441163U 2011-12-23 2011-12-23 Vehicle-mounted multi-media video machine Expired - Fee Related CN202373299U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205441163U CN202373299U (en) 2011-12-23 2011-12-23 Vehicle-mounted multi-media video machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205441163U CN202373299U (en) 2011-12-23 2011-12-23 Vehicle-mounted multi-media video machine

Publications (1)

Publication Number Publication Date
CN202373299U true CN202373299U (en) 2012-08-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011205441163U Expired - Fee Related CN202373299U (en) 2011-12-23 2011-12-23 Vehicle-mounted multi-media video machine

Country Status (1)

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CN (1) CN202373299U (en)

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120808

Termination date: 20121223