CN206294333U - A kind of high-fidelity DVD player - Google Patents

Abstract

A kind of high-fidelity DVD player, including loudspeaker, the loudspeaker is connected with Audio Input Modules by power amplifier module, the input of the Audio Input Modules is connected with Digital Audio Input Modules, signal input module and control and display module, the Digital Audio Input Modules include USB receiver modules, digital received module and analog signal input module, the digital received module connects the Audio Input Modules by digital simulation converter, and the analog signal input module is directly connected to the Audio Input Modules；The control and display module include single-chip microcomputer, and the single-chip microcomputer is connected with volume adjuster, keypad, infrared remote receiver and USB receiver modules, and the single-chip microcomputer is connected with audio display by driving chip.The tonequality fidelity of the device is high, and efficiency of transmission is high, and the distortion factor is low, can be effectively improved the result of broadcast of DVD player.

Description

A kind of high-fidelity DVD player

Technical field

The utility model is related to audio processing equipment field, and in particular to a kind of high-fidelity DVD player.

Background technology

DVD as a kind of audio/video media, compared with former various media such as VHS, LD, VCD in terms of video, audio quality Etc. there is huge leap.With the improvement of people ' s living standards, requirement of the people to audio, the authenticity of the tonequality of video is got over Come higher, and the noise of existing DVD player is low, non-linear distortion and frequency distortion are high, and the loss of signal is big, and power consumption is high, far Far requirement of the people to the authenticity of tonequality is not reached.Although BD, HDDVD epoch, the DVD of " tradition " will be strided forward comprehensively Still possesses larger market expansion space.

In consideration of it, it is necessary that working out a tonequality has the DVD player of hi-fi energy, to meet the market of DVD Need, to keep the market position of conventional DVD player.

Utility model content

Accordingly, the utility model purpose is to provide a kind of high-fidelity, and efficiency of transmission DVD high is played Device, the distortion factor of the device is low, can be effectively improved the result of broadcast of DVD player.

The technical solution of the utility model is：A kind of high-fidelity DVD player, including loudspeaker, the loudspeaker pass through Power amplifier module is connected with Audio Input Modules, and the input of the Audio Input Modules is connected with DAB input mould Block, signal input module and control and display module, the Digital Audio Input Modules include that USB receiver modules, numeral connect Module and analog signal input module are received, the digital received module connects the audio input mould by digital simulation converter Block, the analog signal input module is directly connected to the Audio Input Modules；The single-chip microcomputer be connected with volume adjuster, by Keypad, infrared remote receiver and USB receiver modules, the single-chip microcomputer are connected with audio display by driving chip.

Preferably, the USB receiver modules are connected by the digital received module and the digital simulation converter The Audio Input Modules.

Preferably, the signal input module includes FM input modules and USB flash disk input module, the FM input modules lead to Cross signal and be connected with FM Signal Terminals, the USB flash disk input module is provided with USB flash disk input port.

Preferably, the input of the digital received mould is connected with optical fiber input module, coaxial input module.

Preferably, the high-fidelity DVD player also includes power-supply system, the power-supply system connects the USB Receiver module, signal input module, power amplifier module, control and display module.

Preferably, the output end of the Audio Input Modules is also associated with earphone and left and right acoustic channels output module.

Preferably, the infrared remote receiver is connected with infrared controller by signal.

Preferably, the Audio Input Modules are the integrated road of audio frequency process.

From the above, it is seen that advantage of the present utility model is：The DVD player is input to defeated from audio signal Go out, the path of signal transmission is short, improve the efficiency of signal transmission, reduce loss of the audio signal in transmitting procedure, and should DVD player is input into analog signal while signal input, strengthens audio signal and reduces the distortion factor of audio, it is ensured that The validity and definition of audio tonequality.

Brief description of the drawings

In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, also Other accompanying drawings can be obtained according to these accompanying drawings.

Fig. 1 is a kind of high-fidelity DVD player structure chart.

Specific embodiment

To make the purpose of this utility model, technical scheme and advantage clearer, below will be to technology of the present utility model Scheme carries out clear, complete description.Obviously, described embodiment is only a part of embodiment of the utility model, rather than Whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work On the premise of resulting all other embodiment, belong to the scope that the utility model is protected.

With reference to Fig. 1, a kind of high-fidelity DVD player, including loudspeaker 1, the loudspeaker 1 is by power amplifier module 2 Audio Input Modules 3 are connected with, the input of the Audio Input Modules 3 is connected with Digital Audio Input Modules 4, signal input Module 5 and control and display module 6, the Digital Audio Input Modules 4 include USB receiver modules 41, digital received module 42 and analog signal input module, the input of the digital received mould 42 is connected with optical fiber input module, coaxial input module, The output end of digital received module 42 connects the Audio Input Modules 3, USB receiver modules 41 by digital simulation converter 43 The Audio Input Modules 3 are connected by the digital received module 42 and the digital simulation converter 43, by data mould Plan converter 43 converts digital signals into analog signal and is input to Audio Input Modules 3, and the analog signal input module is straight The Audio Input Modules 3 are connect in succession, and the Audio Input Modules 3 are the integrated road of audio frequency process；The signal input module 5 is wrapped FM input modules 51 and USB flash disk input module 52 are included, the FM input modules 51 are connected with FM Signal Terminals, the U by signal Disk input module 52 is provided with USB flash disk input port；The control and display module 6 include single-chip microcomputer 61, and the single-chip microcomputer 61 connects Volume adjuster 65, keypad 66, infrared remote receiver 64 and USB receiver modules 41 are connected to, the control of single-chip microcomputer 61 USB receives mould Block 41 is played sample rate and is indicated, and the single-chip microcomputer 61 is connected with audio display 63, the infrared receiver by driving chip 62 Device 64 is connected with infrared controller 67 by signal.The high-fidelity DVD player also includes power-supply system 7, the electricity Origin system 7 connects the USB receiver modules 4, signal input module 5, power amplifier module 2, control and display module 6, power supply System 7 is that the power amplifier module 2 provides power power-supply, and checks and control the single-chip microcomputer 61, it is ensured that single-chip microcomputer 61 is just Often operation.Preferably, the output end of the Audio Input Modules 3 is also associated with earphone 9 and left and right acoustic channels output module 8.

Working method：The utility model in normal use, by button 66 or the control single chip computer of infrared controller 67 61 start, and access power-supply system 7, and Audio Input Modules 3 receive analog signal, and by signal by power amplification mechanism 2 By voice signal enhanced processing, finally Hi-Fi audio signal is exported from loudspeaker 1.

The utility model provides a kind of high-fidelity DVD player, the simple structure of the device, convenient use, and operation is steady It is fixed, output is input to from audio signal, the path of signal transmission is short, improves the efficiency of signal transmission, reduces audio signal and exists Loss in transmitting procedure, reduces the distortion factor of audio, it is ensured that the validity and definition of audio tonequality.

Various embodiments above is only used to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing Each embodiment has been described in detail to the utility model, it will be understood by those within the art that：It still can be with Technical scheme described in foregoing embodiments is modified, or which part or all technical characteristic are equal to Replace；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technical scheme Scope.

Claims (8)

1. a kind of high-fidelity DVD player, including loudspeaker, the loudspeaker is connected with audio input by power amplifier module Module, it is characterised in that the input of the Audio Input Modules be connected with Digital Audio Input Modules, signal input module with And control and display module, the Digital Audio Input Modules include that USB receiver modules, digital received module and analog signal are defeated Enter module, the digital received module connects the Audio Input Modules by digital simulation converter, and the analog signal is defeated Enter module and be directly connected to the Audio Input Modules；The control and display module include single-chip microcomputer, and the single-chip microcomputer is connected with Volume adjuster, keypad, infrared remote receiver and USB receiver modules, the single-chip microcomputer are connected with audio by driving chip Display.

2. high-fidelity DVD player as claimed in claim 1, it is characterised in that the USB receiver modules are connect by the numeral Receive module and the digital simulation converter connects the Audio Input Modules.

3. high-fidelity DVD player as claimed in claim 1, it is characterised in that the signal input module includes that FM is input into mould Block and USB flash disk input module, the FM input modules are connected with FM Signal Terminals by signal, and the USB flash disk input module is provided with U Disk input port.

4. high-fidelity DVD player as claimed in claim 1, it is characterised in that the input of the digital received mould is connected with Optical fiber input module, coaxial input module.

5. high-fidelity DVD player as claimed in claim 1, it is characterised in that the high-fidelity DVD player also includes electricity Origin system, the power-supply system connects the USB receiver modules, signal input module, power amplifier module, control and display mould Block.

6. high-fidelity DVD player as claimed in claim 1, it is characterised in that the output end of the Audio Input Modules also connects It is connected to earphone and left and right acoustic channels output module.

7. high-fidelity DVD player as claimed in claim 1, it is characterised in that the infrared remote receiver is connected with by signal Infrared controller.

8. high-fidelity DVD player as claimed in claim 1, it is characterised in that the Audio Input Modules are audio frequency process collection Cheng Lu.