CN206313981U - A kind of wireless network audio high-fidelity streaming media playing machine - Google Patents

A kind of wireless network audio high-fidelity streaming media playing machine Download PDF

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Publication number
CN206313981U
CN206313981U CN201720035966.8U CN201720035966U CN206313981U CN 206313981 U CN206313981 U CN 206313981U CN 201720035966 U CN201720035966 U CN 201720035966U CN 206313981 U CN206313981 U CN 206313981U
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module
audio
wireless network
streaming media
media playing
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Chinese (zh)
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匡平
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Zhuhai Legang Science & Technology Co Ltd
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Zhuhai Legang Science & Technology Co Ltd
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Abstract

The utility model discloses a kind of wireless network audio high-fidelity streaming media playing machine, including the main frame pcb board being arranged on inside trapezoid player, the trapezoid player includes being arranged on the ultralow tone chamber of its bottom, and DSP data processing modules and the lossless audio decoding unit, DAC modular converters and the virtual bass module that are attached thereto respectively are integrated with the main frame pcb board;The lossless audio decoding unit connects input module;The DAC modular converters are connected with audio frequency processing circuit, full range digital power amplifier and full frequency speaker in turn;The virtual bass module is sequentially connected low-pass filter circuit and supper bass digital power amplifier, and the supper bass digital power amplifier is connected with the woofer for being arranged on ultralow tone chamber side;The DAC modular converters connect the virtual bass module.The utility model trapezoid acoustic structure, circuit design are designed in conjunction with ultralow tone chamber, the utility model is realized high-fidelity music center effect.

Description

A kind of wireless network audio high-fidelity streaming media playing machine
Technical field
The utility model is related to the equipment based on internet stream media music and mobile device audio playback, especially relates to And a kind of wireless network audio high-fidelity streaming media playing machine, can individually with the work or wireless by two like products of 2.1 sound channels It is combined into the broadcasting of 2.2 sound channels.
Background technology
China's internet development surges forward, and especially mobile Internet has imported the daily life of people.Streaming Media Music is taken advantage of a situation and is given birth to, and the audio of mobile device plays the product influence of part acceptor, and audio external play is limited to, though can also be enjoyed with earphone By good tonequality, but people listen at home hi-fi music just must external high power acoustics just can reach demand, spread Sound equipment and the wired connection of mobile device are substantially inconvenient, and various connecting lines can also influence the attractive in appearance of room, in addition, traditional sound equipment It is CD to play source of sound, DVD, VCD, etc. laser disc, have with FM/AM radios, the machine of early stage also carries deck, existing prevalence band There is USB, card reader, iPod etc., this mode is substantially that a kind of out-of-date music listens to mode, and various music film sources are unfavorable In storage, the film source that selection singer searches storage is also and its inconvenient.In the epoch that Internet resources enrich, high in the clouds almost will be all Singer's song of publication and distribution deposits in internet, is the following main side for listening to music of people by intelligent sound request music One of formula.
Everyone is playing life well to today's society with the mode of oneself, and fashion is pursued with the step of oneself, abundantly enjoys The life of various digital entertainments, parlor, bedroom, study are required for the digital audio equipment of a set of modernization, and it should have section Skill sense, again with exhale to the greatest extent perfect tonequality, will also be using simple.It is well known that high-fidelity music center refers to CD+ simulation Class A work( Put or electronic tube power amplifier+Hi-Fi sound-box combination, market price is up to ten thousand to hundreds of thousands yuan.
Utility model content
Based on the deficiencies in the prior art, the purpose of this utility model is to provide a kind of rational in infrastructure, compact, one and collects Into digital intelligent wireless network audio high-fidelity streaming media playing machine, realize high-fidelity music center effect with lower cost.
To achieve the above object, the technical solution of the utility model is:
A kind of wireless network audio high-fidelity streaming media playing machine, it is characterised in that:Including being arranged on trapezoid player Internal main frame pcb board, the trapezoid player includes being arranged on the ultralow tone chamber of its bottom, collects on the main frame pcb board Into the lossless audio decoding unit, DAC modular converters and virtual bass mould that have DSP data processing modules and be attached thereto respectively Block;The lossless audio decoding unit connects input module;The DAC modular converters are connected with audio frequency processing circuit, complete in turn Frequency digital power amplifier and full frequency speaker;The virtual bass module is sequentially connected low-pass filter circuit and supper bass digital power amplifier, The supper bass digital power amplifier is connected with the woofer for being arranged on ultralow tone chamber side;The DAC modular converters connect institute State virtual bass module.
Further, the subwoofer chamber interior is additionally provided with air balance barrier pipe device and the bending gas with extraneous ventilation Flow tube, the air balance barrier pipe device is arranged on the top of loudspeaker homonymy, and the bending pipe is arranged on air balance barrier pipe The top of device offside, interior gas port and the air balance barrier pipe device of bending pipe are correspondingly arranged.
Further, the air balance barrier pipe device includes prefocus cup and light shelter.
Further, the input module includes WIFI module, FM radio modules, bluetooth module, USB interface, TF clampings Mouthful, the one kind in AUX interfaces or microphone input or any combination it is various.
Further, the DSP data processing modules are connected with control unit, and described control unit is connected with WIFI moulds One or more in block, FM radio modules, bluetooth module, display screen or push-button unit.
Further, the DSP data processing modules are also associated with lighting control module, the lighting control module connection There is light driving circuit.
Further, the lossless audio decoding unit is connected with reverberation unit, and the reverberation unit is connected with Karaoke Microphone interface.
Further, the bottom of the trapezoid player is provided with the shockproof pin of inverted trapezoidal, the shockproof footmuff of inverted trapezoidal It is provided with shock callus.
Further, the trapezoid player in pairs using, be spaced apart, one be used for play audio L channel, one It is individual for playing audio R channel.
Further, involved modular circuit is powered for it by power management module, the power management module connection There is power supply adaptor.
The beneficial effects of the utility model are:Trapezoid acoustic structure, circuit design are designed in conjunction with ultralow tone chamber, make this Utility model realizes high-fidelity music center effect;
The active loundspeakerses of wifi module, bluetooth module, DSP and digital power amplifier, power management etc., are realized with relatively low cost The function of internet high-fidelity music center substitutes several high-fidelity music centers of combination of tradition, realizes the high-fidelity music center common people Change;
Make audio effect processing using built-in DSP when USB, TF card playing stream media music, allow the Streaming Media music of magnanimity to reach To or surmount CD Quality;
Subwoofer cell structure is designed, and sound chamber low frequencies rate is reached 90%, beneficial to improvement market major part acoustic product The inadequate defect of low frequency;
Balance barrier pipe inside has light-emitting device, facilitates user when music is listened at night without turning on light, and substitutes room Background light;
Trapezoidal vibration abatement, solve the uniform resonance problems of casing, it is to avoid the playback distortion that casing vibrations are produced.
Brief description of the drawings
Fig. 1 is the circuit structure block diagram of the utility model specific embodiment;
Fig. 2 is the DSP data processing module circuit theory diagrams of the utility model specific embodiment;
Fig. 3 is the virtual bass modular circuit schematic diagram of the utility model specific embodiment;
Fig. 4 is the LPF and supper bass digital power amplifier circuit theory diagrams of the utility model specific embodiment;
Fig. 5 is the player structural representation of the utility model specific embodiment;
Fig. 6 is the player decomposition texture schematic diagram of the utility model specific embodiment;
Fig. 7 is the T7-15X primitive curve figures of the utility model specific embodiment;
Fig. 8 is the T7-15X frequency spectrums adjustment point schematic diagram of the utility model specific embodiment;
Fig. 9 for the utility model specific embodiment T7-15X Digital Signal Processing after do not open VB curve synoptic diagrams;
Figure 10 for the utility model specific embodiment T7-15X Digital Signal Processing after have turned on VB curve synoptic diagrams;
Figure 11 is the T7-15X frequency spectrums point increase and decrease parameter list figure of the utility model specific embodiment;
Figure 12 is the T7-15X VB parameter list figures of the utility model specific embodiment.
Specific embodiment
The technique effect of design of the present utility model, concrete structure and generation is carried out below with reference to embodiment and accompanying drawing Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment It is a part of embodiment of the present utility model, rather than whole embodiments, based on embodiment of the present utility model, the skill of this area The other embodiment that art personnel are obtained on the premise of not paying creative work, belongs to the model of the utility model protection Enclose.
As shown in figure 1, a kind of wireless network audio high-fidelity streaming media playing machine, including be arranged in trapezoid player The main frame pcb board in portion, the trapezoid player includes being arranged on the ultralow tone chamber of its bottom, integrated on the main frame pcb board There are DSP data processing modules and the lossless audio decoding unit, the 44.1KHz DAC modular converters and virtual low that are attached thereto respectively Sound module;The lossless audio decoding unit connects input module;The DAC modular converters are connected with audio frequency process electricity in turn Road, full range digital power amplifier and full frequency speaker;The virtual bass module is sequentially connected low-pass filter circuit and supper bass numeral Power amplifier, the supper bass digital power amplifier is connected with the woofer for being arranged on ultralow tone chamber side;The DAC modular converters connect Connect the virtual bass module.
The input module includes WIFI module, FM radio modules, bluetooth module, USB interface, TF card interfaces, AUX interfaces Or one kind in microphone input or any combination is various.
The DSP data processing modules are also associated with lighting control module, and the lighting control module is connected with light drive Dynamic circuit.
As shown in Fig. 2 the present embodiment DSP data processing module circuit theory diagrams, Fig. 3 is the virtual bass mould of the present embodiment Block circuit theory diagrams, Fig. 4 is LPF and supper bass digital power amplifier circuit theory diagrams, virtual bass circuit module DAC-L ends It is connected with DAC change-over circuits with DAC-R ends, the output end of virtual bass modular circuit, i.e. SUB-OUT ends and LPF and weight The AUDIO-SD ends connection of the SUB-OUT ends connection of bass digital power amplifier circuit, LPF and supper bass digital power amplifier circuit The AUDIO-SD ends of DSP data processing module circuits.
The lossless audio decoding unit is connected with reverberation unit, and the reverberation unit is connected with Microphone for karaoke interface.
Involved modular circuit is powered for it by power management module, and the power management module is connected with power adaptation Device.
Wifi modules, to access the core of internet, can upload and download signal, be also combination left and right acoustic channels audio letter Number path.
Bluetooth module, to aim at and play sound with mobile device and the present embodiment wireless connection under no wifi network environmental condition Happy facility.
FM frequency modulation reception modules, aim at the facility of listening in frequency modulation broadcast.
USB interface, can play the music of MP3 music and lossless format by USB flash disk.
TF card interfaces, can play the music of MP3 music and lossless format by TF cards.
AUX circuit input interfaces, can external other audio frequency apparatuses.
Microphone input, radio station and song can be searched in wifi states with phonetic entry, also can be used as following Internet of Things system System language in-put control household electrical appliance, can realize hand-free call during bluetooth state, be used as conference system.
LED display, can the information such as display function state and time.
The button of the present embodiment is eight function buttons, and wherein switching on and shutting down and broadcasting pause share a key multiplexing;Function Function is more planted in easy switching user conversion;Volume+, volume-and the forward bent two keys multiplexing of jump backward;One key of phonetic search, Press the button once, the content to be looked for of controlling oneself is said against sound equipment, system finds and played from work(in a network;Network radio station at most may be used Prestore 6, by 2 keys Backwards selection forward;One key specially controls light, realizes seven-color LED light and breath light effect.
Audio frequency processing circuit, operation amplifier is carried out to the audio signal that DAC modular converters are sent.
Digital power amplifier, is amplified to the audio signal that audio frequency processing circuit is sent.
Full range unit, the audio electrical signal physics reduction sent to audio frequency processing circuit, full range music of resetting out.
Second-order low-pass filter, the low frequency signal of reductase 12 0Hz to 150Hz.
Digital power amplifier, the signal sent to low-pass filter circuit carries out D class amplifications.
Supper bass unit, the low frequency signal physics reduction sent to supper bass digital power amplifier module, resets out pure low The full range music of frequency music and full frequency speaker is overlapped.
Electric power management circuit, can effectively support that external adapter heat is inserted heat and dialled, and can eliminate the spark of Hot insertion hot swapping generation, can For each unit circuit provides+22V, 5V, 3.3V electric energy, and international efficiency requirement is complied fully with, stand-by power consumption only has microampere order.
External power supply adapter, for whole machine provides electric energy, meets six grades of requirements of efficiency.
The present embodiment large scale integrated circuit is used as central processing unit, DSP data processings and algorithm process, and control is single Unit each peripheral unit is controlled and communicated, lossless audio decoding unit to WIFI module, FM radio modules, bluetooth module, The voice data stream of USB interface, TF card interfaces, AUX interfaces or microphone is decoded, and supports lossless music format, with it System is allowed to reach CD Quality standard, completion decoded signal delivers to DSP data processing modules carries out data processing and algorithm process, The digital analog converter for delivering to DAC modular converters after the completion for the treatment of all the way produces high fidelity simulation signal, and what DAC moduluss of conversion were designed adopts Sample rate can reach 48KHz, and the sample rate of the present embodiment is 44.1KHz, it is therefore an objective to identical with CD sample frequencys, reaches CD Quality water It is flat.Deliver to virtual bass in another road(VB)Fictionalize the mega bass of purer 20Hz to 150Hz, the exportable high-fidelities of DAC It is stereo, also exportable independent R channel or left channel signals.Digital reverberation generative circuit, with lossless sound after production reverberation sound The former mixture of tones that frequency decoding unit is decoded, realizes OK a karaoke club ok functions, and LED optical controller is capable of achieving three primary colours adjustment, Seven-color LED light and breath light effect can be produced.
As shown in Figure 5 and Figure 6, the physical arrangement of the present embodiment fully complies with acoustical demands, the cabinet design of positive tower, weight Bass unit is installed on bottom half, and four 2.75 inches of full range intermediate frequencies clamp a 20 core filaments film high pitchs, it is ensured that frequency of resetting The all standing from 20Hz to 22KHz is rung, relatively fast according to high frequency transfer rate, low frequency transmits relatively slow principle, trapezoidal to set Meter has protected just six unit sounding focusing synchronous, allows listener to feel that sound is synchronously to send, and solves low-and high-frequency Delay effect problem.Box part structure is as follows:
Optical filtering PVC pieces 1, display screen and infrared receiver position are golden steel transparent black, can effectively allow display screen display effect It is bright, and Show Color will not have aberration.Panel 2, display screen, eight buttons 3 and remote control reception window, electret microphone is all It is installed on panel.Button pcb board 4 is connected with motherboard.4 2.75 cun of Full-frequency trumpets 5,2 are one group, connect mainboard or so Sound channel power amplifier output end.4 2.75 cun of loudspeaker covers 6, guarantee is rakish simultaneously, and bell shape has amplification to make to sound With.Cortina high pitch 7, series connection frequency dividing electric capacity and the connection of main frame power amplifier.Cortina high pitch panel 8, bell shape is focused on to high pitch and put Greatly, high pitch accurate positioning is ensured.Prefocus cup 9, to external warranty light homogeneous and bright, be connected loading box house with light shelter 11 Play the barrier pipe between super bass box unit and phase-reversing tube, increased the acoustic pressure of box house, do not allow the air-flow at unit rear portion Directly correspondence phase-reversing tube inner opening, efficiently solves the problems, such as that most of inverted phase type opening boxes easily have phase-reversing tube airflow noise, can be with Make audio amplifier bass pure.LED pcb board 10, is connected with main frame light driving circuit, produces seven color and breathing light, allows this reality With new with acousto-optic integrated, can also be used as room night-luminescent lamp.Light shelter 11, plays optically focused.Optical filter 12, to luminous Pipe has filter action, it is to avoid high light hinders eye.6.5 cun of loudspeaker covers 13, bass is modified while decoration function by inside trumpet shape, Make sound purer.6.5 cun of bass units 14, are connected with the output of motherboard supper bass.Top light filter glass 15, it is ensured that light Play eyeshield while line is uniform.Display screen 16, top LED and infrared remote receiver and Electret condenser microphone pcb board, LED For audio amplifier back light source, display screen display working condition and temporal information, infrared receiver are remote control entrance, electret Words input is proposed for hands-free during microphone bluetooth, for Voice command is input into during wifi, this plate is connected with host-dependent interface.Back plate PVC Piece 17, each input port USB, TF cards, AUX is integrated at this position.Mainboard PCB fixed panels 18, exempt from screw and install using plug-in type. Main frame pcb board 19, all modules and component are all integrated on one block of plate, install simple, are easy to safeguard.Host PC B fixes pressure Piece 20, is installed together with two screws and 18, fixed pcb board.Curved phase-reversing tube 21, gives low frequency sound equipment paraphase, reaches enhancing The purpose of bass, the straight-through air blowing sound of the few air of gulf shape design sense, also can effectively strengthen the compression stress of air, allow low frequency more to have Power.D/C power input interface 22, powers to whole machine.Wooden case 23, the support member of whole part is also the sound chamber of each unit.4 are fallen Trapezoidal shockproof pin 24, inverted trapezoidal design, landing fulcrum diminishes, and reduces casing itself vibration and the friction on ground.4 spheres are shockproof Rubber cushion, and 24 be combined together, and the damping device effect of the high-fidelity music center for surmounting high cost, ball are realized with lower cost The shockproof ground contact points of shape are small, and have certain soft, available buffer shake power when audio amplifier vibrates, and the present embodiment can effectively by casing Uniformly shield dissipates resonance, solves the playback distortion that casing vibrations are produced.
The Hz-KHz of high-fidelity music center is more wide better, but also must be that flat ability is meaningful, and 20Hz to 22KHZ two The attenuation at end can not be more than 3dB.Because the every poor 3dB of sensitivity of sound equipment output, the acoustic pressure of output will differ one times, only Sound equipment exports frequency response curve uniform flat and without obvious peak valley, it is just meaningful that the decay of the end of frequency response two reaches minimum value.
Ever-changing in view of the actual environment for listening to music at home of user, the present embodiment carries out frequency spectrum in ultralow tone chamber The adjustment and actual measurement of curve, are digitized by the standard audio code stream solved to the non-damage decoder in lossless decoding unit Algorithm process, adjusts the frequency content in each piece of digital signal respectively, the electricity of setting and different frequency to electric signal amplification quantity The regulation of signal compensates 6 loudspeakers of the present embodiment and the defect of casing sound field, play compensation and modify various sound sources and Its special role.The whole circuit of low pitch high or balanced device of generally conventional high-fidelity music center are only capable of to high frequency, intermediate frequency, low frequency three Band frequency electric signal is adjusted respectively, and the digital processing unit of the present embodiment DSP digital processing elements can carry out 8 to full frequency band The frequency defect mending of individual node, carries out frequency upgrading or reduction, and the adjustment of multifrequency point, the scope and details of adjustment become apparent from, It is more conducive to realize that hi-fi reproduction, and the present embodiment repair defect and regulation for total digitalization, high precision flexible with adjustment, Stable type is strong, small volume, the advantage such as energy-conservation.
Virtual bass in the virtual bass unit of the present embodiment(VB)Generator, is believed in full range piece of digital by algorithm Effective low frequency signal is extracted in number, the super low sound signal for recycling digital second order wave filter to extract 20Hz-150Hz is overlapped and is attached to On the 80Hz frequencies of full range curve, after adding virtual bass, low frequency sensitivity can increase more than 1dB, no matter from sense of hearing, amount sense and There is further improvement in texture, due to adding for VB signals, the sensitivity of full frequency band also can be with rear class sample rate 44.1KHz digital analog converters are made to increase after corresponding conversion, digital power are amplified.
The present embodiment volume is set to 32 sections, and due to having used 6.5 inches of supper bass units of band logical, and supper bass is most Big rated power reaches 60W, and when volume reaches 50%, the sense of low frequency amount and texture have all exceeded the standard of high-fidelity, without again Low frequency, virtual bass are supplemented on the frequency of 80Hz(VB)Numerical value can be automatically set as " 0 ", but virtual bass processor is not closed Close, modification only at this moment is played to other frequency range audios.
Fig. 7 is the frequency that the present embodiment is surveyed when data processor and virtual bass processor is not switched in semi-anechoic room Curve map, test source of sound is 20Hz -22KHz standard full range swept-frequency signals and pink noise signal of international standard, can from figure To find out, when digital processing is not added, though frequency response width meets the requirements, paddy crest is obvious and each frequency between it is uneven.
Fig. 8 is the frequency curve oscillogram that the present embodiment prepares adjustment, is intended to 8 knot adjustments, and adjusting parameter is shown in Figure 11.
Figure 11 is the parameter of frequency spectrum point modification, and these parameters are according to unit(Loudspeaker)Actual measurement with casing sound chamber is bent Line, what comprehensive parameters were formulated, this parameter reaches optimal acoustics after being only adapted to the present embodiment combination.
Fig. 9 intends bass to be not added with considering(VB)Curve map, test condition can be seen that as mentioned in Fig. 1 from figure, Frequency curve is substantially steady, and paddy peak effect thoroughly loses, and sense of hearing and texture, amount sense have substantially reached high-fidelity requirement, but Overall sensitivity is to be improved, and low frequency 60Hz to 120Hz also has relatively small paddy peak, and more than high frequency 12KHz is also not flat enough.
Figure 10 is virtual bass(VB)Processor opens the curve map of actual measurement, and test condition in Fig. 1 as mentioned. Be can be seen that from figure, after VB is opened, full range curve is in that in flat, low frequency paddy peak has loseed, and high frequency also has larger improvement, especially substantially It is that sensitivity has greatly improved, minimum point has all reached 85db, high frequency part has reached 90db, high-fidelity has been reached substantially The curve requirement of sound equipment, sense of hearing also obtains the change of matter.
Figure 12 is virtual bass(VB)Numerical value, the present embodiment is set to 32 sections in total volume, and volume is VOL up to 50%>When 16, Bass virtual value increased value on 80Hz frequencies is " 0 ", but virtual bass processor is not off.When 10≤VOL≤16, Bass virtual value increased value on 80Hz frequencies is " 5% ", works as VOL<When 10, bass virtual value is increased on 80Hz frequencies Value is " 10% ", this ensure that the present embodiment also ensures that low frequency reproduction has preferable effect when small volume listens to music.
Science and technology development and digitized revolution, lower cost realize popular digital intelligent high-fidelity music center turn into can Can, the design of rational physical acoustics sound chamber, data DSP applications, totally digitilized voicefrequency circuit, 2.4G/5G modularized designs and excellent Elegant power management, these are all the bases of modern High-fidelity sounder design.Furthermore, modernization high-fidelity music center and tradition height are protected True sound equipment compares, and advantage wants many it is clear that what is more important modernization high-fidelity music center has abandoned traditional high-fidelity music center The workable old thinking of ability after part machine assembly, digitized process causes that modernization high-fidelity music center plays source of sound, audio Treatment(DSP), together with power amplifier is fully integrated with sound chamber and power management, eliminate suit high-fidelity music center at least The enclosure chassis and power supply of three.On the premise of equal tonequality and audio, money needed for manufacturing based on digital intelligence high-fidelity music center The consumption of source type raw material such as shell steel plate, power transformer copper cash etc. less than 1/10th of traditional high-fidelity music center, The conservation-minded society and " energy-conservation row subtract " that this is advocated country are very favourable.
It should be noted that the above is preferred embodiment of the present utility model, the utility model not office It is limited to above-mentioned implementation method, as long as it reaches technique effect of the present utility model with identical means, should all belongs to this practicality new The protection domain of type.

Claims (10)

1. a kind of wireless network audio high-fidelity streaming media playing machine, it is characterised in that:Including being arranged in trapezoid player The main frame pcb board in portion, the trapezoid player includes being arranged on the ultralow tone chamber of its bottom, integrated on the main frame pcb board There are DSP data processing modules and the lossless audio decoding unit, DAC modular converters and the virtual bass module that are attached thereto respectively; The lossless audio decoding unit connects input module;The DAC modular converters are connected with audio frequency processing circuit, full range number in turn Word power amplifier and full frequency speaker;The virtual bass module is sequentially connected low-pass filter circuit and supper bass digital power amplifier, described Supper bass digital power amplifier is connected with the woofer for being arranged on ultralow tone chamber side;The DAC modular converters connect the void Intend bass module.
2. wireless network audio high-fidelity streaming media playing machine as claimed in claim 1, it is characterised in that:The ultralow tone chamber Inside is additionally provided with air balance barrier pipe device and the bending gas flow tube with extraneous ventilation, and the air balance barrier pipe device is set In the top of loudspeaker homonymy, the bending pipe is arranged on the top that air balance hinders pipe device offside, the interior gas port of bending pipe It is correspondingly arranged with air balance barrier pipe device.
3. wireless network audio high-fidelity streaming media playing machine as claimed in claim 2, it is characterised in that:The air balance Barrier pipe device includes prefocus cup and light shelter.
4. wireless network audio high-fidelity streaming media playing machine as claimed in claim 1, it is characterised in that:The input module Including the one kind in WIFI module, FM radio modules, bluetooth module, USB interface, TF card interfaces, AUX interfaces or microphone input Or any combination is various.
5. wireless network audio high-fidelity streaming media playing machine as claimed in claim 1, it is characterised in that:The DSP data Processing module is connected with control unit, and described control unit is connected with WIFI module, FM radio modules, bluetooth module, display screen Or one or more in button.
6. wireless network audio high-fidelity streaming media playing machine as claimed in claim 1, it is characterised in that:The DSP data Processing module is also associated with lighting control module, and the lighting control module is connected with light driving circuit.
7. wireless network audio high-fidelity streaming media playing machine as claimed in claim 1, it is characterised in that:The lossless audio Decoding unit is connected with reverberation unit, and the reverberation unit is connected with Microphone for karaoke interface.
8. wireless network audio high-fidelity streaming media playing machine as claimed in claim 1, it is characterised in that:The trapezoid is broadcast The bottom for putting machine is provided with the shockproof pin of inverted trapezoidal, and the shockproof footmuff of inverted trapezoidal is provided with shock callus.
9. the wireless network audio high-fidelity streaming media playing machine as described in any one of claim 1 to 8, it is characterised in that:Institute State trapezoid player in pairs using, be spaced apart, one is used to play audio L channel, and one is used to play the right sound of audio Road.
10. the wireless network audio high-fidelity streaming media playing machine as described in any one of claim 1 to 7, it is characterised in that:Institute The modular circuit being related to is powered for it by power management module, and the power management module is connected with power supply adaptor.
CN201720035966.8U 2017-01-12 2017-01-12 A kind of wireless network audio high-fidelity streaming media playing machine Active CN206313981U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106535063A (en) * 2017-01-12 2017-03-22 珠海乐港科技有限公司 Wireless network audio high-fidelity streaming media player
CN108810731A (en) * 2018-09-04 2018-11-13 东莞市艺速电子科技有限公司 Hi-Fi active audio amplifiers
CN111294676A (en) * 2020-03-21 2020-06-16 广州雪塘电子科技有限公司 Multifunctional loudspeaker

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106535063A (en) * 2017-01-12 2017-03-22 珠海乐港科技有限公司 Wireless network audio high-fidelity streaming media player
CN108810731A (en) * 2018-09-04 2018-11-13 东莞市艺速电子科技有限公司 Hi-Fi active audio amplifiers
CN111294676A (en) * 2020-03-21 2020-06-16 广州雪塘电子科技有限公司 Multifunctional loudspeaker
CN111294676B (en) * 2020-03-21 2020-11-24 重庆百易诚电子有限公司 Multifunctional loudspeaker

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