CN108650590A - A kind of DSP signal processing modules of network direct broadcasting pull rod speaker - Google Patents
A kind of DSP signal processing modules of network direct broadcasting pull rod speaker Download PDFInfo
- Publication number
- CN108650590A CN108650590A CN201810932088.9A CN201810932088A CN108650590A CN 108650590 A CN108650590 A CN 108650590A CN 201810932088 A CN201810932088 A CN 201810932088A CN 108650590 A CN108650590 A CN 108650590A
- Authority
- CN
- China
- Prior art keywords
- circuit
- feet
- resistance
- light
- dsp chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000694 effects Effects 0.000 claims abstract description 12
- 239000013078 crystal Substances 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005236 sound signal 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
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
Abstract
A kind of DSP signal processing modules of network direct broadcasting pull rod speaker, circuit and live streaming sound effect circuit are adjusted including dsp chip U1, crystal oscillator Y1, regulator circuit, usb circuit, indicator light circuit, audio, the dsp chip U1 is separately connected crystal oscillator Y1, regulator circuit, usb circuit, indicator light circuit, audio and adjusts circuit and live streaming sound effect circuit；The dsp chip U1 is also associated with the first microphone circuit, the second microphone circuit and audio input circuit.The present invention provides a kind of DSP signal processing modules of network direct broadcasting pull rod speaker, it is handled collected sound by dsp chip, it is built-in with applause, laugh, airkisses etc. multiple networks live streaming audio simultaneously, network direct broadcasting audio effect processing function is increased on the basis of conventional whip speaker, is suitable for network direct broadcasting.
Description
Technical field
The present invention relates to speaker technology field, especially a kind of DSP signal processing modules of network direct broadcasting pull rod speaker.
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 network direct broadcasting pull rod speakers
DSP signal processing modules handle collected sound by dsp chip, while being built-in with applause, laugh, airkissing
Etc. multiple networks be broadcast live audio, network direct broadcasting audio effect processing function is increased on the basis of conventional whip speaker, be suitable for network
Live streaming.
The technical solution adopted by the present invention to solve the technical problems is：A kind of DSP signals of network direct broadcasting pull rod speaker
Processing module, including dsp chip U1, crystal oscillator Y1, regulator circuit, usb circuit, indicator light circuit, audio are adjusted
Circuit and live streaming sound effect circuit, the dsp chip U1 are separately connected crystal oscillator Y1, regulator circuit, usb circuit, refer to
Indication lamp circuit, audio adjust circuit and live streaming sound effect circuit；The dsp chip U1 is also associated with the first microphone circuit, the second words
Cylinder circuit and audio input circuit；The live streaming sound effect circuit include the first key circuit and the second key circuit, described first
Key circuit and the second key circuit are separately connected 40 feet and 41 feet of dsp chip U1；First key circuit includes button
K2-8 and resistance R35-41, second key circuit include button K9-15 and resistance R42-48.
Preferably, it includes adjustable resistance VR1, VR2 and VR3 that the audio, which adjusts circuit, described adjustable resistance VR1, VR2 and
2 feet of VR3 are separately connected 42 feet, 43 feet and 44 feet of dsp chip U1, and are grounded respectively by capacitance C25, C26, C27；It is described
1 foot of adjustable resistance VR1, VR2 and VR3 are grounded, and 3 feet connect 3.3V power supplys.
Preferably, the indicator light circuit includes terminal CN2, key switch K1, Light-emitting diode LED 1, light emitting diode
LED2, Light-emitting diode LED 3, Light-emitting diode LED 4 and several resistance, wherein the 1 foot connection 3.3V electricity of the terminal CN2
Source, and it is separately connected by resistance R33, R32, R34 1 foot, 2 feet, 5 feet of key switch K1；3 feet of terminal CN2 and 4 feet difference
Connect 34 feet and 35 feet of dsp chip U1；5 feet of the key switch K1 pass through resistance R25 connections Light-emitting diode LED 4；Institute
32 feet, 33 feet, 34 feet for stating dsp chip U1 connect Light-emitting diode LED 1, light-emitting diodes by resistance R29, R30, R31 respectively
The anode of pipe LED2, Light-emitting diode LED 3, the Light-emitting diode LED 1, Light-emitting diode LED 2, Light-emitting diode LED 3
And the minus earth of Light-emitting diode LED 4.
Preferably, 23 feet of the dsp chip U1,24 feet connection crystal oscillator Y1；The usb circuit includes end
Sub- CN3, resistance R26 and R27,18 feet, 19 feet of the dsp chip U1 pass through resistance R26, R27 connection terminal CN3 respectively.
Preferably, the regulator circuit includes resistance R24, capacitance C20, C21, C22 and C23, and the 13 of the dsp chip U1
Foot is grounded by resistance R24 connection 5V power supplys by capacitance C20；14 feet of dsp chip U1 by parallel capacitance C21 and
C22 is grounded, and connects 3.3V power supplys；15 feet of dsp chip U1 are grounded by capacitance C23.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of DSP signal processing moulds of network direct broadcasting pull rod speaker
Block is handled collected sound using dsp chip, obtains more excellent live streaming audio, meanwhile, pass through several buttons
It can select the multiple networks live streaming audio such as to add applause, laugh, airkiss, it is straight to increase network on the basis of conventional whip speaker
Multicast function, function is more preferable, is suitable for network direct broadcasting.
Description of the drawings
Fig. 1 is the circuit diagram 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, a kind of DSP signal processing modules of network direct broadcasting pull rod speaker, including dsp chip
U1, crystal oscillator Y1, regulator circuit, usb circuit, indicator light circuit, audio adjust circuit and live streaming sound effect circuit, institute
It states dsp chip U1 and is separately connected crystal oscillator Y1, regulator circuit, usb circuit, indicator light circuit, audio adjusting circuit
And live streaming sound effect circuit；The dsp chip U1 is also associated with the first microphone circuit, the second microphone circuit and audio input circuit.
In the present embodiment, 8 feet of the dsp chip U1 connect the first microphone, and 9 feet connect the second microphone, 10 feet and 11 feet
Audio input circuit is connected, 46 feet connect Bluetooth chip, and 5 feet and 6 feet connect power amplifier module.
The live streaming sound effect circuit includes the first key circuit and the second key circuit, first key circuit and second
Key circuit is separately connected 40 feet and 41 feet of dsp chip U1；First key circuit includes button K2-8 and resistance R35-
41, second key circuit includes button K9-15 and resistance R42-48.
It includes adjustable resistance VR1, VR2 and VR3 that the audio, which adjusts circuit, and the 2 of described adjustable resistance VR1, VR2 and VR3
Foot is separately connected 42 feet, 43 feet and 44 feet of dsp chip U1, and is grounded respectively by capacitance C25, C26, C27；The adjustable electric
1 foot of resistance VR1, VR2 and VR3 are grounded, and 3 feet connect 3.3V power supplys.2 feet of adjustable resistance VR1, VR2 and VR3 are adjustable end,
As one kind of specific implementation mode, the adjustable end of adjustable resistance VR1, VR2 and VR3 are connected at the knob on speaker surface.
Further specifically, the indicator light circuit includes terminal CN2, key switch K1, Light-emitting diode LED 1, shines
Diode (LED) 2, Light-emitting diode LED 3, Light-emitting diode LED 4 and several resistance, wherein 1 foot of the terminal CN2 connects
3.3V power supplys, and it is separately connected by resistance R33, R32, R34 1 foot, 2 feet, 5 feet of key switch K1；3 feet of terminal CN2 and 4
Foot is separately connected 34 feet and 35 feet of dsp chip U1；5 feet of the key switch K1 pass through resistance R25 connection light emitting diodes
LED4；32 feet of the dsp chip U1,33 feet, 34 feet respectively by resistance R29, R30, R31 connect Light-emitting diode LED 1,
The anode of Light-emitting diode LED 2, Light-emitting diode LED 3, the Light-emitting diode LED 1, Light-emitting diode LED 2, luminous two
The minus earth of pole pipe LED3 and Light-emitting diode LED 4.
Specifically, 23 feet of the dsp chip U1,24 feet connection crystal oscillator Y1；The usb circuit includes end
Sub- CN3, resistance R26 and R27,18 feet, 19 feet of the dsp chip U1 pass through resistance R26, R27 connection terminal CN3 respectively.
Specifically, the regulator circuit includes resistance R24, capacitance C20, C21, C22 and C23, and the 13 of the dsp chip U1
Foot is grounded by resistance R24 connection 5V power supplys by capacitance C20；14 feet of dsp chip U1 by parallel capacitance C21 and
C22 is grounded, and connects 3.3V power supplys；15 feet of dsp chip U1 are grounded by capacitance C23.
12 feet of the dsp chip U1 are grounded by filter circuit, the filter circuit include in parallel capacitance C21 and
C22；36 feet of the dsp chip U1 connect 3.3V power supplys and are grounded by capacitance C24.
When user is broadcast live, the first microphone, the second microphone or the wireless microphone of the connection of pull rod speaker will be collected
Audio signal transmission is handled to DSP module, obtains preferably audio, while user can be as desired by different buttons
Different network direct broadcasting audios is added in selection, or by adjustable resistance to adjust audio, is suitable for network direct broadcasting to reach
The purpose of audio.
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 (5)
1. a kind of DSP signal processing modules of network direct broadcasting pull rod speaker, it is characterised in that：Including dsp chip U1, crystal oscillation
Device Y1, regulator circuit, usb circuit, indicator light circuit, audio adjust circuit and live streaming sound effect circuit, the dsp chip U1
It is separately connected crystal oscillator Y1, regulator circuit, usb circuit, indicator light circuit, audio and adjusts circuit and live streaming audio electricity
Road；The dsp chip U1 is also associated with the first microphone circuit, the second microphone circuit and audio input circuit；The live streaming audio
Circuit includes the first key circuit and the second key circuit, and first key circuit and the second key circuit are separately connected DSP
40 feet and 41 feet of chip U1；First key circuit includes button K2-8 and resistance R35-41, second key circuit
Including button K9-15 and resistance R42-48.
2. a kind of DSP signal processing modules of network direct broadcasting pull rod speaker according to claim 1, it is characterised in that：Institute
It includes adjustable resistance VR1, VR2 and VR3 to state audio and adjust circuit, and 2 feet of described adjustable resistance VR1, VR2 and VR3 are separately connected
42 feet, 43 feet and 44 feet of dsp chip U1, and be grounded respectively by capacitance C25, C26, C27；Described adjustable resistance VR1, VR2
And 1 foot of VR3 is grounded, 3 feet connect 3.3V power supplys.
3. a kind of DSP signal processing modules of network direct broadcasting pull rod speaker according to claim 1, it is characterised in that：Institute
It includes terminal CN2, key switch K1, Light-emitting diode LED 1, Light-emitting diode LED 2, light emitting diode to state indicator light circuit
LED3, Light-emitting diode LED 4 and several resistance, wherein 1 foot of the terminal CN2 connects 3.3V power supplys, and passes through resistance
R33, R32, R34 are separately connected 1 foot, 2 feet, 5 feet of key switch K1；3 feet and 4 feet of terminal CN2 are separately connected dsp chip U1
34 feet and 35 feet；5 feet of the key switch K1 pass through resistance R25 connections Light-emitting diode LED 4；The dsp chip U1's
32 feet, 33 feet, 34 feet connect Light-emitting diode LED 1, Light-emitting diode LED 2, luminous two by resistance R29, R30, R31 respectively
The anode of pole pipe LED3, the Light-emitting diode LED 1, Light-emitting diode LED 2, Light-emitting diode LED 3 and light emitting diode
The minus earth of LED4.
4. a kind of DSP signal processing modules of network direct broadcasting pull rod speaker according to claim 1, it is characterised in that：Institute
State 23 feet, the 24 feet connection crystal oscillator Y1 of dsp chip U1；The usb circuit include terminal CN3, resistance R26 and
18 feet, 19 feet of R27, the dsp chip U1 pass through resistance R26, R27 connection terminal CN3 respectively.
5. a kind of DSP signal processing modules of network direct broadcasting pull rod speaker according to claim 1, it is characterised in that：Institute
It includes resistance R24, capacitance C20, C21, C22 and C23 to state regulator circuit, and 13 feet of the dsp chip U1 are connected by resistance R24
5V power supplys, and be grounded by capacitance C20；14 feet of dsp chip U1 connect 3.3V by capacitance C21 and C22 ground connection in parallel
Power supply；15 feet of dsp chip U1 are grounded by capacitance C23.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810932088.9A CN108650590A (en) | 2018-08-16 | 2018-08-16 | A kind of DSP signal processing modules of network direct broadcasting pull rod speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810932088.9A CN108650590A (en) | 2018-08-16 | 2018-08-16 | A kind of DSP signal processing modules of network direct broadcasting pull rod speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108650590A true CN108650590A (en) | 2018-10-12 |
Family
ID=63760875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810932088.9A Pending CN108650590A (en) | 2018-08-16 | 2018-08-16 | A kind of DSP signal processing modules of network direct broadcasting pull rod speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108650590A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207427444U (en) * | 2017-09-28 | 2018-05-29 | 广州国光音频科技有限公司 | A kind of signal DSP processing modules of mobile pull rod speaker |
| CN108200516A (en) * | 2018-02-05 | 2018-06-22 | 北京唱吧科技股份有限公司 | A kind of microphone speaker all-in-one machine |
-
2018
- 2018-08-16 CN CN201810932088.9A patent/CN108650590A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207427444U (en) * | 2017-09-28 | 2018-05-29 | 广州国光音频科技有限公司 | A kind of signal DSP processing modules of mobile pull rod speaker |
| CN108200516A (en) * | 2018-02-05 | 2018-06-22 | 北京唱吧科技股份有限公司 | A kind of microphone speaker all-in-one machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201904947U (en) | Wireless LED luminous stick controlled by music | |
| CN206294310U (en) | Portable triple-track stereo microphone | |
| CN108650590A (en) | A kind of DSP signal processing modules of network direct broadcasting pull rod speaker | |
| CN205812361U (en) | A kind of multifunctional sound box | |
| CN108668201A (en) | A kind of mobile pull rod speaker with network direct broadcasting pattern | |
| CN207427395U (en) | Multi-phone microphone | |
| CN208724185U (en) | A kind of mobile pull rod speaker with network direct broadcasting mode | |
| CN213094431U (en) | Bluetooth sound can give out light | |
| CN207340102U (en) | Bluetooth audio device | |
| CN204069295U (en) | With the Bluetooth audio device of illuminating lamp | |
| CN206469114U (en) | A kind of light bar with broadcasting function | |
| CN208863022U (en) | A kind of multi-functional integrated type wireless acoustics entertainment control system | |
| CN204795508U (en) | A headset for square dance | |
| CN205142447U (en) | Take portable pull rod stereo set of bluetooth radio reception | |
| CN203233579U (en) | LED lamp device with stereo | |
| CN104596016A (en) | Multifunctional humidifier | |
| CN202799074U (en) | Wireless audio with lighting function | |
| CN107576381A (en) | A kind of square dance noise prompting system | |
| CN107402062A (en) | A kind of method for controlling square dance noise | |
| CN219514188U (en) | Multifunctional K song equipment | |
| CN205621188U (en) | Touch doorbell with LED lamp | |
| CN214544789U (en) | Power amplifier all-in-one machine with network audio-video playing function | |
| CN201004706Y (en) | Intelligent transmitter with MP3 | |
| CN220653495U (en) | Intelligent sound box | |
| CN114783396A (en) | Novel indoor four-in-one karaoke system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181012 |
|
| RJ01 | Rejection of invention patent application after publication |