CN108668201A - A kind of mobile pull rod speaker with network direct broadcasting pattern - Google Patents
A kind of mobile pull rod speaker with network direct broadcasting pattern Download PDFInfo
- Publication number
- CN108668201A CN108668201A CN201810932062.4A CN201810932062A CN108668201A CN 108668201 A CN108668201 A CN 108668201A CN 201810932062 A CN201810932062 A CN 201810932062A CN 108668201 A CN108668201 A CN 108668201A
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- speaker
- audio
- direct broadcasting
- network direct
- dsp
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- 238000012545 processing Methods 0.000 claims abstract description 22
- 230000008054 signal transmission Effects 0.000 claims abstract description 8
- 230000005236 sound signal Effects 0.000 claims abstract description 4
- 230000006641 stabilisation Effects 0.000 claims description 7
- 238000011105 stabilization Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 3
- 230000009194 climbing Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/09—Applications of special connectors, e.g. USB, XLR, in loudspeakers, microphones or headphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
A kind of mobile pull rod speaker with network direct broadcasting pattern, including speaker body, the speaker body is internally provided with speaker control mainboard, the speaker control mainboard includes the DSP signal processing modules for network direct broadcasting, and the DSP signal processing modules are connected with wireless signal transmission module, signal input module, earphone output module, power amplifier output module and the power module for powering to speaker body；The DSP signal processing modules include dsp chip, work light unit, audio the adjusting unit and live streaming audio push-button unit for Audio Signal Processing.The present invention provides a kind of mobile pull rod speaker with network direct broadcasting pattern, it uses DSP signal processing modules, network direct broadcasting mode capabilities are increased on the basis of conventional whip speaker, greatly improve live streaming audio, meet demand of the outdoor network live streaming to high-quality audio.
Description
Technical field
The present invention relates to speaker technology field, especially a kind of mobile pull rod speaker with network direct broadcasting pattern.
Background technology
With becoming increasingly abundant for people's amateur entertainment life, network direct broadcasting is as a kind of emerging network social intercourse side in recent years
Formula, it has also become the new trend of Network culture propagation, and the network direct broadcasting platform to emerge one after another also becomes emerging social media.
Previous live streaming carries out indoors mostly, however, with the development of mobile network, more and more main broadcaster's selections, which are picked up, to be set
It is standby to walk out door, go making to shoot the programme televised live of oneself to open air, outdoor live streaming has the advantages that form is more rich diversified,
But during carrying out sound recording due to the use of headset, it can inevitably be interfered by outdoor various noises, seriously affect live streaming
Sound effect.Meanwhile pull rod speaker needs the master used when public address as curbside sales field, square dance, the small-sized performance in field etc.
Equipment is wanted, is widely used, but the circuit structure of existing pull rod speaker is mostly based on analog circuit, and can not be applied in network
In live streaming, function is few and recreational not strong enough.It can be seen that existing pull rod speaker can no longer meet consumer to more work(
Energy, the increasing demand of high-performance mobile sound-box device.
Invention content
In order to overcome the disadvantages mentioned above of the prior art, the object of the present invention is to provide a kind of movements with network direct broadcasting pattern
Pull rod speaker uses DSP signal processing modules, increases network direct broadcasting mode capabilities on the basis of conventional whip speaker, greatly
It is big to improve live streaming audio, meet demand of the outdoor network live streaming to high-quality audio.
The technical solution adopted by the present invention to solve the technical problems is：A kind of mobile pull rod sound with network direct broadcasting pattern
The outside of case, including speaker body, the speaker body is equipped with loudspeaker and control panel；The speaker body is internally provided with sound
Case control mainboard, the speaker control mainboard include the DSP signal processing modules for network direct broadcasting, the DSP signal processings
Module is connected with wireless signal transmission module, signal input module, earphone output module, power amplifier output module and is used for speaker
The power module of ontology power supply；The DSP signal processing modules include being indicated for the dsp chip of Audio Signal Processing, work
Lamp unit, audio adjust unit and live streaming audio push-button unit, the dsp chip be separately connected the work light unit,
Audio adjusts unit and live streaming audio push-button unit；Sequentially connected ADC analog-digital converters, DSP numbers are equipped in the dsp chip
Word signal processor and DAC digital analog converters；Several network direct broadcasting audio is stored in the DSP digital signal processor.
As a further improvement on the present invention：The work light unit includes several LED light, control button and connection
Terminal；It includes several adjustable resistances that the audio, which adjusts unit, and the adjustable end of the adjustable resistance connects ADC analog-digital converters；
The live streaming audio push-button unit includes several buttons and series resistance, draws button ground connection between adjacent series resistance respectively,
The audio adjusts unit and connects ADC analog-digital converters.
As a further improvement on the present invention：The wireless signal transmission module includes the bluetooth core for Bluetooth transmission
Piece, TF card unit, the IR remote control receptions for the USB units of USB flash disk reading and for receiving remote control command read for TF card
Device, the Bluetooth chip are separately connected TF card unit, USB units, IR receivers of remote-control sytem and dsp chip；The TF units include
TF card slot, the USB units include USB flash disk interface.
As a further improvement on the present invention：The signal input module includes that AUX audio input units, cable microphone are defeated
Enter unit, musical instrument input unit and wireless microphone input unit, the wireless microphone input unit connects dsp chip.
As a further improvement on the present invention：The earphone output module includes sequentially connected DAC chip, analog signal
Output amplifier and the first earphone interface, the DAC chip connect dsp chip.
The power amplifier output module includes sequentially connected audio amplifier circuit, power amplifier chip and connecting terminal；
The connecting terminal connects loudspeaker.
As a further improvement on the present invention：The power module include battery charging circuit, DC/DC booster circuits and
Power supply stabilization circuit；Wherein, the battery charging circuit include external power supply interface circuit, it is battery charging circuit, built-in
Accumulator and accumulator electric-quantity detection circuit, the external power supply interface circuit pass through battery charging circuit and internal battery
Connection, and external power supply adapter is connected by external power supply adaptor interface；The accumulator electric-quantity detection circuit passes through guarantor
Dangerous silk element connects internal battery；The DC/DC booster circuits are powered to power amplifier output module.
The external power supply adapter is used for as speaker body work power supply and charges to accumulator, the internal battery
It is speaker body work power supply when for outdoor use；DC/DC booster circuits by the+12V boost in voltage of internal battery be+
22V；
Preferably, the power supply stabilization circuit includes DC/DC reduction voltage circuits and regulator circuit；The power supply stabilization circuit is logical
It is+5V voltages that DC/DC chips, which are crossed, by+12V the voltage step-downs of internal battery, and passes through resistance R106, triode Q9, capacitance
+ 12V the voltage step-downs of accumulator are+9V by the regulator circuit that C97, capacitance C98, zener diode D3 are formed, then by by electricity
Hinder R107, R108, the bleeder circuit partial pressure of capacitance C99 compositions is+4.5V.
As a further improvement on the present invention：The DSP signal processing modules are also associated with earphone signal identification module, institute
It includes chip U9, filter circuit and the second earphone interface to state earphone signal identification module, and second earphone interface connects earphone
Output module.
Further, the control panel is equipped with human-machine operation unit and for showing that volume, input channel etc. are man-machine
The liquid crystal display of interactive information；The upper end of the speaker body is equipped with pull rod；The bottom of the speaker body is equipped with pulley, institute
It is one-way wheel, universal wheel or stair climbing wheel to state pulley.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of mobile pull rod speaker with network direct broadcasting pattern carries out at audio collected sound using dsp chip
Reason, and can select addition applause, laugh, the multiple networks such as airkiss that audio is broadcast live by several buttons, in conventional whip speaker
On the basis of increase network direct broadcasting mode capabilities, greatly improve live streaming audio, meet outdoor network live streaming to high-quality audio
Demand；Meanwhile it being also equipped with TF card extension, USB flash disk expanded function, it can realize to be wirelessly connected by bluetooth and play or connection mobile phone, flat
The mobile terminals such as plate computer, using more convenient；The invention also includes AUX audios, cable microphone, wireless microphone, musical instrument input are single
Member, favorable expandability are vdiverse in function.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the circuit diagram of DSP signal processing modules of the present invention.
Fig. 3 is the circuit diagram of wireless signal transmission module of the present invention.
Fig. 4 is the circuit diagram of signal input module of the present invention.
Fig. 5 is the circuit diagram of earphone output module of the present invention.
Fig. 6 is the circuit diagram of power amplifier output module of the present invention.
Fig. 7 is the circuit diagram of battery charging circuit of the present invention.
Fig. 8 is the circuit diagram of DC/DC booster circuits of the present invention.
Fig. 9 is the circuit diagram of power supply stabilization circuit of the present invention.
Figure 10 is the circuit diagram of earphone signal identification module of the present invention.
Specific implementation mode
In conjunction with description of the drawings, the present invention is further described with embodiment：
Embodiment one：Refer to Fig. 1-2, a kind of mobile pull rod speaker with network direct broadcasting pattern, including speaker body, institute
The outside for stating speaker body is equipped with loudspeaker and control panel；The speaker body is internally provided with speaker control mainboard, the sound
Case control mainboard includes the DSP signal processing modules for network direct broadcasting, and the DSP signal processing modules are connected with wireless signal
Transmission module, signal input module, earphone output module, power amplifier output module and the power supply mould for powering to speaker body
Block；The DSP signal processing modules include dsp chip, work light unit, audio the adjusting list for Audio Signal Processing
Member and live streaming audio push-button unit, the dsp chip is separately connected the work light unit, audio adjusts unit and live streaming
Audio push-button unit；Sequentially connected ADC analog-digital converters, DSP digital signal processor and DAC are equipped in the dsp chip
Digital analog converter；Several network direct broadcasting audio is stored in the DSP digital signal processor.
The work light unit includes several LED light, control button and connection terminal；The audio adjusts unit packet
Several adjustable resistances are included, the adjustable end of the adjustable resistance connects ADC analog-digital converters；The live streaming audio push-button unit includes
Several buttons and series resistance, button ground connection is drawn between adjacent series resistance respectively, and the audio adjusts unit and connects ADC moulds
Number converter, the i.e. ADC interface of dsp chip.When pressing different buttons, the voltage on ADC interface is different, dsp chip root
According to the difference of voltage, then it can identify that different key, user can select a variety of nets such as to add applause, laugh, airkiss by button
Audio is broadcast live in network.
Fig. 3 is referred to, the wireless signal transmission module includes being read for the Bluetooth chip of Bluetooth transmission, for TF card
TF card unit, the USB units that read for USB flash disk and IR receivers of remote-control sytem for receiving remote control command, the Bluetooth chip
It is separately connected TF card unit, USB units, IR receivers of remote-control sytem and dsp chip；The TF units include TF card slot, and the USB is mono-
Member includes USB flash disk interface.
The Bluetooth chip is connected with the mobile terminal of APP by Bluetooth signal, and mobile terminal can be mobile phone or flat
Plate computer.
Refer to Fig. 4, the signal input module includes that AUX audio input units, cable microphone input unit, musical instrument are defeated
Enter unit and wireless microphone input unit, the wireless microphone input unit connects dsp chip.
Fig. 5 is referred to, the earphone output module includes sequentially connected DAC chip, analog signal output amplifying circuit
And first earphone interface, the DAC chip connect dsp chip.
Refer to Fig. 6, the power amplifier output module include sequentially connected audio amplifier circuit, power amplifier chip and
Connecting terminal；The connecting terminal connects loudspeaker.
Fig. 7-9 is referred to, the power module includes battery charging circuit, DC/DC booster circuits and power supply voltage stabilizing electricity
Road；Wherein, the battery charging circuit includes external power supply interface circuit, battery charging circuit, internal battery and storage
Battery power detection circuit, the external power supply interface circuit are connect by battery charging circuit with internal battery, and logical
Cross external power supply adaptor interface connection external power supply adapter；The accumulator electric-quantity detection circuit is connected by electrical fuse element
Connect internal battery；The DC/DC booster circuits are powered to power amplifier output module.
The external power supply adapter is used for as speaker body work power supply and charges to accumulator, the internal battery
It is speaker body work power supply when for outdoor use；DC/DC booster circuits by the+12V boost in voltage of internal battery be+
22V；The power supply stabilization circuit includes DC/DC reduction voltage circuits and regulator circuit；The power supply stabilization circuit passes through DC/DC chips
By+12V the voltage step-downs of internal battery be+5V voltages, and by resistance R106, triode Q9, capacitance C97, capacitance C98,
+ 12V the voltage step-downs of accumulator are+9V by the regulator circuit of zener diode D3 composition, then by by resistance R107, R108,
The bleeder circuit partial pressure of capacitance C99 compositions is+4.5V.
Figure 10 is referred to, the DSP signal processing modules are also associated with earphone signal identification module, and the earphone signal is known
Other module includes chip U9, filter circuit and the second earphone interface, and second earphone interface connects earphone output module.
As one kind of specific implementation mode, the control panel be equipped with human-machine operation unit and for show volume,
The liquid crystal display of the human-machine interactive informations such as input channel；The upper end of the speaker body is equipped with pull rod；The speaker body
Bottom is equipped with pulley, and the pulley is one-way wheel, universal wheel or stair climbing wheel.
In conclusion after those skilled in the art read file of the present invention, according to the technique and scheme of the present invention with
Technical concept is not necessarily to creative mental labour and makes other various corresponding conversion schemes, belongs to the model that the present invention is protected
It encloses.
Claims (9)
1. a kind of mobile pull rod speaker with network direct broadcasting pattern, including speaker body, it is characterised in that：The speaker body
Outside is equipped with loudspeaker and control panel；The speaker body is internally provided with speaker control mainboard, the speaker control mainboard packet
The DSP signal processing modules for network direct broadcasting are included, the DSP signal processing modules are connected with wireless signal transmission module, letter
Number input module, earphone output module, power amplifier output module and the power module for powering to speaker body；The DSP letters
Number processing module includes adjusting unit and live streaming audio for the dsp chip, work light unit, audio of Audio Signal Processing
Push-button unit, the dsp chip is separately connected the work light unit, audio adjusts unit and live streaming audio button list
Member；Sequentially connected ADC analog-digital converters, DSP digital signal processor and DAC digital analog converters are equipped in the dsp chip；
Several network direct broadcasting audio is stored in the DSP digital signal processor.
2. a kind of mobile pull rod speaker with network direct broadcasting pattern according to claim 1, it is characterised in that：The work
Indicator unit includes several LED light, control button and connection terminal；It includes several adjustable resistances that the audio, which adjusts unit,
The adjustable end of the adjustable resistance connects ADC analog-digital converters；The live streaming audio push-button unit includes several buttons and series connection
Resistance, button ground connection is drawn between adjacent series resistance respectively, and the audio adjusts unit and connects ADC analog-digital converters.
3. a kind of mobile pull rod speaker with network direct broadcasting pattern according to claim 1, it is characterised in that：It is described wireless
Signal transmission module includes the TF card unit read for the Bluetooth chip of Bluetooth transmission, for TF card, is read for USB flash disk
USB units and IR receivers of remote-control sytem for receiving remote control command, the Bluetooth chip be separately connected TF card unit, USB units,
IR receivers of remote-control sytem and dsp chip；The TF units include TF card slot, and the USB units include USB flash disk interface.
4. a kind of mobile pull rod speaker with network direct broadcasting pattern according to claim 1, it is characterised in that：The signal
Input module includes AUX audio input units, cable microphone input unit, musical instrument input unit and wireless microphone input unit,
The wireless microphone input unit connects dsp chip.
5. a kind of mobile pull rod speaker with network direct broadcasting pattern according to claim 1, it is characterised in that：The earphone
Output module includes sequentially connected DAC chip, analog signal output amplifying circuit and the first earphone interface, the DAC chip
Connect dsp chip.
6. a kind of mobile pull rod speaker with network direct broadcasting pattern according to claim 1, it is characterised in that：The power amplifier
Output module includes sequentially connected audio amplifier circuit, power amplifier chip and connecting terminal；The connecting terminal connection
Loudspeaker.
7. a kind of mobile pull rod speaker with network direct broadcasting pattern according to claim 1, it is characterised in that：The power supply
Module includes battery charging circuit, DC/DC booster circuits and power supply stabilization circuit；Wherein, the battery charging circuit packet
Include external power supply interface circuit, battery charging circuit, internal battery and accumulator electric-quantity detection circuit, the external power supply
Interface circuit is connect by battery charging circuit with internal battery, and connects external electricity by external power supply adaptor interface
Source adapter；The accumulator electric-quantity detection circuit connects internal battery by electrical fuse element；The DC/DC booster circuits
It powers to power amplifier output module.
8. a kind of mobile pull rod speaker with network direct broadcasting pattern according to claim 1, it is characterised in that：The DSP
Signal processing module is also associated with earphone signal identification module, and the earphone signal identification module includes chip U9, filter circuit
And second earphone interface, second earphone interface connect earphone output module.
9. a kind of mobile pull rod speaker with network direct broadcasting pattern according to claim 1, it is characterised in that：The control
Panel is equipped with human-machine operation unit and the liquid crystal display for showing the human-machine interactive informations such as volume, input channel；It is described
The upper end of speaker body is equipped with pull rod；The bottom of the speaker body is equipped with pulley, and the pulley is one-way wheel, universal wheel or climbs
Ladder wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810932062.4A CN108668201A (en) | 2018-08-16 | 2018-08-16 | A kind of mobile pull rod speaker with network direct broadcasting pattern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810932062.4A CN108668201A (en) | 2018-08-16 | 2018-08-16 | A kind of mobile pull rod speaker with network direct broadcasting pattern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108668201A true CN108668201A (en) | 2018-10-16 |
Family
ID=63789855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810932062.4A Pending CN108668201A (en) | 2018-08-16 | 2018-08-16 | A kind of mobile pull rod speaker with network direct broadcasting pattern |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108668201A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110856062A (en) * | 2019-11-28 | 2020-02-28 | 广东辉杰智能科技股份有限公司 | Live musical instrument pickup system of network |
| CN111031263A (en) * | 2019-11-27 | 2020-04-17 | 深圳市中云智慧科技有限公司 | Personal live broadcast platform device |
| CN111182248A (en) * | 2019-12-24 | 2020-05-19 | 深圳市亿泉电子有限公司 | Audio playing device |
| CN113207019A (en) * | 2021-04-28 | 2021-08-03 | 深圳市沃特沃德信息有限公司 | Network live broadcast all-in-one machine and network live broadcast device |
| CN115278459A (en) * | 2022-07-28 | 2022-11-01 | 沈紫辉 | 100W to 150W power level mobile sound |
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| 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 |
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| CN208724185U (en) * | 2018-08-16 | 2019-04-09 | 广东辉杰智能科技股份有限公司 | A kind of mobile pull rod speaker with network direct broadcasting mode |
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2018
- 2018-08-16 CN CN201810932062.4A patent/CN108668201A/en active Pending
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| KR20050014575A (en) * | 2003-07-31 | 2005-02-07 | (주)케이원정보통신 | A Digital audio system using Bluetooth |
| 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 |
| CN107566945A (en) * | 2017-09-28 | 2018-01-09 | 广州国光音频科技有限公司 | A kind of Multifunctional mobile pull bar audio amplifier |
| CN208724185U (en) * | 2018-08-16 | 2019-04-09 | 广东辉杰智能科技股份有限公司 | A kind of mobile pull rod speaker with network direct broadcasting mode |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111031263A (en) * | 2019-11-27 | 2020-04-17 | 深圳市中云智慧科技有限公司 | Personal live broadcast platform device |
| CN110856062A (en) * | 2019-11-28 | 2020-02-28 | 广东辉杰智能科技股份有限公司 | Live musical instrument pickup system of network |
| CN111182248A (en) * | 2019-12-24 | 2020-05-19 | 深圳市亿泉电子有限公司 | Audio playing device |
| CN113207019A (en) * | 2021-04-28 | 2021-08-03 | 深圳市沃特沃德信息有限公司 | Network live broadcast all-in-one machine and network live broadcast device |
| CN115278459A (en) * | 2022-07-28 | 2022-11-01 | 沈紫辉 | 100W to 150W power level mobile sound |
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