CN206460775U - A kind of wireless K song systems based on DSP - Google Patents
A kind of wireless K song systems based on DSP Download PDFInfo
- Publication number
- CN206460775U CN206460775U CN201720173843.0U CN201720173843U CN206460775U CN 206460775 U CN206460775 U CN 206460775U CN 201720173843 U CN201720173843 U CN 201720173843U CN 206460775 U CN206460775 U CN 206460775U
- Authority
- CN
- China
- Prior art keywords
- power amplifier
- dsp
- audio
- wireless
- output
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of wireless K song systems based on DSP, including microphone, Receiving Host, the microphone includes the miaow head being sequentially connected, first power amplifier, DSP process circuits, second power amplifier and UHF transmitter modules, the Receiving Host includes the UHF receiving modules being sequentially connected, audio frequency processing circuit and loudspeaker, the miaow head receives sound and is amplified by the first power amplifier and amplified again by the second power amplifier by DSP digital processings, sound after DSP digital processings is sent to Receiving Host by UHF again to be connected, power amplifier is output to loudspeaker after being handled after Receiving Host reception signal by audio frequency processing circuit.The utility model system is easy to connect, quick and easy, can by sound by DSP landscaping treatments, tonequality is lossless, can anti-miaow.
Description
Technical field
The utility model belongs to wireless digital DSP integral types K song systems technologies field, more particularly to a kind of based on DSP's
Wireless K songs system.
Background technology
Improve constantly, people are also constantly amplifying in the pursuit of entertainment field, sung therefore with the living standard of people
Become the hobby of broad masses, therefore there are many people that KTV can be gone to sing and decompress, also occurred in that on current mobile phone numerous
K sings software, and wireless microphone is developed also with the maturation of wireless technology, but existing K song systems, general to use
Be 2.4G wireless transmission methods, using being that traditional mould manages reverberation, sound has delay, unintelligible, and to be equipped with substantial amounts of outer
Standby ability K songs are installed, therefore can not meet the demand of nowadays fast pace life.
Utility model content
The utility model is in order to solve the above technical problems, provide a kind of wireless K song systems based on DSP, system connection
It is easily and fast simple, can by sound by DSP landscaping treatments, tonequality is lossless, can anti-miaow.
The technical solution adopted in the utility model is as follows, a kind of wireless K song systems based on DSP, including microphone, reception
Main frame, the microphone includes miaow head, the first power amplifier, DSP process circuits, the second power amplifier and the UHF being sequentially connected
Transmitter module, the Receiving Host includes UHF receiving modules, audio frequency processing circuit and the loudspeaker being sequentially connected, and the miaow head connects
The sound that quiets down is amplified by the first power amplifier and amplified again by the second power amplifier by DSP digital processings, DSP digital processings
Sound afterwards is sent to Receiving Host by UHF and connected again, after being handled after Receiving Host reception signal by audio frequency processing circuit
Power amplifier is output to loudspeaker.
Preferably, the system also includes external power amplifier equipment, and the power amplifying device is active audio amplifier and/or passive sound
After being handled after case, the external power amplifier equipment connection Receiving Host, Receiving Host reception signal by audio frequency processing circuit
Power amplifier is output to external power amplifier equipment.
Preferably, the microphone also includes Audio Input Modules, the 3rd power amplifier and bluetooth module, and the audio is defeated
Enter after module is connected with the 3rd power amplifier and be connected with the DSP process circuits, bluetooth module is connected with the 3rd power amplifier, institute
State the first power amplifier output end and connect reconnection DSP process circuits after the 3rd power amplifier.
Preferably, the microphone also includes recording module, and the output end of the DSP process circuits connects the 4th power amplifier electricity
Recording module described in Lu Houyu is connected.
Preferably, the microphone also includes ear-piece output, and the output end of the DSP process circuits connects the 5th power amplifier
It is connected after circuit with the ear-piece output.
Preferably, the Receiving Host has audio/video decoding chip, and the audio/video decoding chip has input, defeated
Entering end is used to receive audio-video source signal, and the output end connection output module of audio/video decoding chip, output module is exported to loudspeaker
.
Preferably, the output module includes HDMI output ends, audio frequency and video output end and amplifier output module, the amplifier
Output module includes discharge circuit, the 6th power amplifier, the earphone output module being connected successively with audio/video decoding chip.
Preferably, the input of the discharge circuit is connected with audio input interface, and the output end of the discharge circuit connects
It is connected to loudspeaker.
Preferably, the audio frequency processing circuit and discharge circuit are respectively connecting to after Transistor-Transistor Logic level drive circuit connect with loudspeaker
Connect.
The utility model has advantageous effect in that：The utility model is by above technical scheme, the direct nothing of microphone
Line connects main frame of the present utility model, and miaow head receives sound and amplified by the first power amplifier and led to again by DSP digital processings
The amplification of the second power amplifier is crossed, the sound after DSP digital processings is sent to Receiving Host by UHF again to be connected, and Receiving Host connects
Power amplifier is output to loudspeaker after being handled after the collection of letters number by audio frequency processing circuit, system is easy to connect, quick and easy, can be by sound
Sound by DSP landscaping treatments, tonequality is lossless, can anti-miaow.
Brief description of the drawings
Fig. 1 is catenation principle figure of the present utility model.
Fig. 2 is structured flowchart of the present utility model.
Embodiment
Illustrate below in conjunction with the accompanying drawings, the utility model is introduced in detail, it will be appreciated that be following simply to introduce this reality
With new embodiment, and restriction protection domain of the present utility model is not lain in.
Herein it should be noted that both connections discussed below, can be indirect earth signal connections or direct
Earth signal is connected.
As depicted in figs. 1 and 2, a kind of wireless K song systems based on DSP, including microphone, Receiving Host, the Mike
Bellows chamber includes the miaow head being sequentially connected, the first power amplifier, DSP process circuits, the second power amplifier and UHF transmitter modules, described
Receiving Host includes UHF receiving modules, audio frequency processing circuit and the loudspeaker being sequentially connected, and the miaow head receives sound and passes through first
Power amplifier amplifies and amplified again by the second power amplifier by DSP digital processings, and the sound after DSP digital processings passes through again
UHF is sent to Receiving Host and connected, and power amplifier is output into loudspeaker after being handled after Receiving Host reception signal by audio frequency processing circuit
.
Power amplifier mentioned above can use 4809IC chips, and power amplifier mentioned below also can be used
4809IC chips.
As an optimum decision system of the present utility model, as shown in Fig. 2 also including external power amplifier equipment, the power amplifier is set
Standby is active audio amplifier and/or passive loudspeaker box, an audio 3.5mm output end is set on Receiving Host, external power amplifier equipment is led to
Cross audio 3.5mm output ends and be connected to Receiving Host, Receiving Host is received handled after signal by audio frequency processing circuit after by work(
Put and be output to external power amplifier equipment.
Further, as shown in figure 1, the microphone also includes Audio Input Modules, the 3rd power amplifier and bluetooth mould
Block, the Audio Input Modules are connected after being connected with the 3rd power amplifier with the DSP process circuits, bluetooth module and the 3rd work(
The connection of electric discharge road, the first power amplifier output end, which is connected, reconnects DSP process circuits, the present embodiment after the 3rd power amplifier
In, microphone can directly external sound source, external sound source can be by Audio Input Modules, and special bluetooth module can be with bluetooth
Equipment is connected.Moreover, the microphone also includes recording module, the output end of the DSP process circuits connects the 4th power amplifier electricity
Recording module described in Lu Houyu is connected, and recording module can be by the recording line of outfit, and connection mobile phone can be in one's hands the song record sung
Inside machine, for example, the free APP inside mobile phone is opened, song mobile phone can be entered into and be shared.
Further, the microphone also includes ear-piece output, and the output end of the DSP process circuits connects the 5th work(
The ear-piece output described in Lu Houyu that discharges is connected, and ear-piece output can connect earphone, when K is sung, the wearable earphone K of user
Song, and headphone monitor sound can be passed through.
Further, the Receiving Host has audio/video decoding chip, and the audio/video decoding chip has input,
Input can be netting twine input port, WIFI, TF card interface and USB interface, and input is used to receive audio-video source signal, reception
Audio-video source signal is decoded by audio/video decoding chip, the output end connection output module of audio/video decoding chip, exports mould
The decoded audio output of block to loudspeaker power amplifier is sent, and the output module includes HDMI output ends, audio frequency and video output end and fortune
Output module is put, the amplifier output module includes discharge circuit, the 6th power amplifier electricity being connected successively with audio/video decoding chip
Road, earphone output module, discharge circuit can use 4558 amplifier chips, and audio/video decoding chip can use RK3328 audio frequency and video solutions
Code chip, therefore, the utility model can share the free resource on network, very convenient in video signal source and Internet resources
Application, external-connection displayer can play audio frequency and video, therefore with better function.
Further, the input of the discharge circuit is connected with audio input interface, the output end of the discharge circuit
Be connected to loudspeaker, as preference, the audio frequency processing circuit and discharge circuit be respectively connecting to after Transistor-Transistor Logic level drive circuit with
Loudspeaker are connected.
Embodiment of the present utility model is to introduce its embodiment, does not lie in and limits its protection domain.The industry
Technical staff can make some modifications under the inspiration of the present embodiment, therefore all done according to the utility model the scope of the claims
Equivalent change or modification, is not limited to illustrate profile, belongs in the utility model scope of the patent claims.
Claims (9)
1. a kind of wireless K song systems based on DSP, it is characterised in that including microphone, Receiving Host, the microphone includes
Miaow head, the first power amplifier, DSP process circuits, the second power amplifier and the UHF transmitter modules being sequentially connected, the reception master
Machine includes UHF receiving modules, audio frequency processing circuit and the loudspeaker being sequentially connected, and the miaow head receives sound and passes through the first power amplifier electricity
Road is amplified and amplified again by the second power amplifier by DSP digital processings, and the sound after DSP digital processings is sent out by UHF again
Deliver to after being handled after Receiving Host connection, Receiving Host reception signal by audio frequency processing circuit and power amplifier is output to loudspeaker.
2. a kind of wireless K song systems based on DSP according to claim 1, it is characterised in that the system also includes outer
Power amplifying device is put, the power amplifying device is active audio amplifier and/or passive loudspeaker box, and the external power amplifier equipment connection is described to receive master
Power amplifier is output to external power amplifier equipment after being handled after machine, Receiving Host reception signal by audio frequency processing circuit.
3. a kind of wireless K song systems based on DSP according to claim 1, it is characterised in that the microphone also includes
Audio Input Modules, the 3rd power amplifier and bluetooth module, the Audio Input Modules be connected with the 3rd power amplifier after with institute
The connection of DSP process circuits is stated, bluetooth module is connected with the 3rd power amplifier, and the first power amplifier output end connects the 3rd work(
Electric discharge reconnects DSP process circuits behind road.
4. a kind of wireless K song systems based on DSP according to claim 3, it is characterised in that the microphone also includes
Recording module, the output end of the DSP process circuits is connected after connecting the 4th power amplifier with the recording module.
5. a kind of wireless K song systems based on DSP according to claim 4, it is characterised in that the microphone also includes
Ear-piece output, the output end of the DSP process circuits is connected after connecting the 5th power amplifier with the ear-piece output.
6. a kind of wireless K song systems based on DSP according to claim 1, it is characterised in that the Receiving Host has
Audio/video decoding chip, the audio/video decoding chip has input, and input is used to receive audio-video source signal, audio frequency and video
The output end connection output module of decoding chip, output module is exported to loudspeaker.
7. a kind of wireless K song systems based on DSP according to claim 6, it is characterised in that the output module includes
HDMI output ends, audio frequency and video output end and amplifier output module, the amplifier output module include successively with audio/video decoding core
Discharge circuit, the 6th power amplifier, the earphone output module of piece connection.
8. it is according to claim 7 it is a kind of based on DSP wireless K song system, it is characterised in that the discharge circuit it is defeated
Enter end and be connected with audio input interface, the output end of the discharge circuit is connected to loudspeaker.
9. a kind of wireless K song systems based on DSP according to claim 8, it is characterised in that the audio frequency processing circuit
It is connected after being respectively connecting to Transistor-Transistor Logic level drive circuit with discharge circuit with loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720173843.0U CN206460775U (en) | 2017-02-26 | 2017-02-26 | A kind of wireless K song systems based on DSP |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720173843.0U CN206460775U (en) | 2017-02-26 | 2017-02-26 | A kind of wireless K song systems based on DSP |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206460775U true CN206460775U (en) | 2017-09-01 |
Family
ID=59691526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720173843.0U Expired - Fee Related CN206460775U (en) | 2017-02-26 | 2017-02-26 | A kind of wireless K song systems based on DSP |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206460775U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108848436A (en) * | 2018-09-18 | 2018-11-20 | 广州音雅达科技有限公司 | Individual's Karaoke application method and system |
| CN109471609A (en) * | 2018-11-27 | 2019-03-15 | 深圳市橙子电子有限公司 | K sings projection integration machine and its karaoke method |
| CN110062310A (en) * | 2018-01-19 | 2019-07-26 | 广州市声鑫电子有限公司 | A kind of control system and method for the car acoustic power amplifier device of band K song function |
-
2017
- 2017-02-26 CN CN201720173843.0U patent/CN206460775U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110062310A (en) * | 2018-01-19 | 2019-07-26 | 广州市声鑫电子有限公司 | A kind of control system and method for the car acoustic power amplifier device of band K song function |
| CN108848436A (en) * | 2018-09-18 | 2018-11-20 | 广州音雅达科技有限公司 | Individual's Karaoke application method and system |
| CN109471609A (en) * | 2018-11-27 | 2019-03-15 | 深圳市橙子电子有限公司 | K sings projection integration machine and its karaoke method |
| CN109471609B (en) * | 2018-11-27 | 2023-11-03 | 深圳市橙子数字科技有限公司 | Karaoke projection integrated machine and Karaoke method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206460775U (en) | A kind of wireless K song systems based on DSP | |
| CN202310099U (en) | Wireless sounder and system for playing audio through same | |
| CN103312425A (en) | Wireless broadcasting system | |
| CN104768105A (en) | Integrated intelligent audio equipment | |
| CN203352726U (en) | DLNA/Airplay/Miracast wireless technology-based audio/video player | |
| CN104066033A (en) | Bluetooth sound box system and using method thereof | |
| CN201957216U (en) | Bluetooth earphone with sound recording function | |
| CN101790123A (en) | Virtual surround sound system and implementation method thereof | |
| CN206461739U (en) | A kind of kitchen household intelligent multimedia audio amplifier | |
| CN104869511A (en) | High-fidelity wifi stereo | |
| CN203151724U (en) | Bluetooth subwoofer combined sound box | |
| CN204539423U (en) | Integral intelligent sound equipment | |
| CN202696846U (en) | Wireless high-fidelity active earphone | |
| CN205038964U (en) | Audio system | |
| CN204681574U (en) | A kind of high-fidelity wifi sound equipment | |
| CN205123936U (en) | Multi -functional family cloud amusement all -in -one | |
| CN203912165U (en) | Bluetooth loudspeaker box system | |
| CN201000926Y (en) | Multipath audio signal wire | |
| CN207589153U (en) | A kind of audio system using S08 sound card converters | |
| CN203734823U (en) | Audio device | |
| CN206294335U (en) | A kind of multimedia system using not plug-in active audio amplifier | |
| CN207589158U (en) | A kind of S06 sound card converters for supporting portable computer | |
| CN202841494U (en) | Multichannel audio processing system | |
| CN202339704U (en) | Multifunctional carry-on karaoke player | |
| CN207589157U (en) | A kind of audio system using S06 sound card converters |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 Termination date: 20190226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |