CN110211555A - K sings system - Google Patents
K sings system Download PDFInfo
- Publication number
- CN110211555A CN110211555A CN201810166820.6A CN201810166820A CN110211555A CN 110211555 A CN110211555 A CN 110211555A CN 201810166820 A CN201810166820 A CN 201810166820A CN 110211555 A CN110211555 A CN 110211555A
- Authority
- CN
- China
- Prior art keywords
- signal
- human voice
- mobile terminal
- voice signal
- unit
- 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
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
- G10H1/0083—Recording/reproducing or transmission of music for electrophonic musical instruments using wireless transmission, e.g. radio, light, infrared
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/36—Accompaniment arrangements
- G10H1/361—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/36—Accompaniment arrangements
- G10H1/361—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems
- G10H1/365—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems the accompaniment information being stored on a host computer and transmitted to a reproducing terminal by means of a network, e.g. public telephone lines
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/36—Accompaniment arrangements
- G10H1/361—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems
- G10H1/366—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems with means for modifying or correcting the external signal, e.g. pitch correction, reverberation, changing a singer's voice
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Circuit For Audible Band Transducer (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
Abstract
The present invention proposes a kind of K song system, traditional wireless microphone system can be used directly and connect external expander, and human voice signal's processing unit, music accompaniment signal processing unit, downmixing unit etc. are set in external expander, the mobile K for effectively promoting user sings experience, it is further attached by external expander and traditional traditional sound amplifier, so as to easily realize the K song system of full Wireless entertained simultaneously for more people while compatible conventional wireless microphone system and traditional sound amplifier.
Description
Technical field
The invention belongs to audio frequency field, in particular to a kind of K sings system.
Background technique
The mobile terminals such as mobile phone, tablet computer are gradually popularized, network bandwidth is constantly promoted, the K of various suitable mobile terminals
Song software is also used by more and more users, is increasingly becoming popular personal entertainment mode；When generally with mobile phone K song,
The microphone and loudspeaker that wire microphone earphone is inserted into mobile terminal or is directly carried using mobile terminal are needed, the former
Both in addition the constraint experience that user will receive cable is bad, and the latter, which is then easy to produce echo and utters long and high-pitched sounds, causes song effect to be deteriorated,
The real-time monitoring that can not achieve voice makes user lack telepresenc；The solution of some wireless K songs has been had already appeared in the prior art
Certainly scheme, but can only substantially be entertained for one people of user in currently existing scheme, and K song is often that more people participate in jointly could more
Has enjoyment, therefore currently existing scheme is not met by the needs of more people's amusements.
Summary of the invention
In order to overcome the drawbacks of the prior art, the present invention proposes a kind of K song system, can be directly by conventional wireless microphone system
It is connected to external expander of the invention, and human voice signal's processing unit is set in external expander, at music accompaniment signal
Unit, downmixing unit etc. are managed, the mobile K for effectively promoting user sings experience, further sets by external expander and traditional public address
It is standby to be attached, so as to easily realized while compatible conventional wireless microphone system and traditional sound amplifier for
The K that more people entertain simultaneously sings system.
It is proposed a kind of K song system, including an at least conventional wireless microphone, conventional wireless microphone receiver, mobile terminal,
External expander and traditional sound amplifier；Wherein, conventional wireless microphone includes microphone, for receiving voice and being converted into
Electric signal；Preamplifier receives the electric signal from microphone, and amplifies to electric signal；Wireless transmission unit, should
Wireless transmission unit receives the signal from preamplifier and is sent wirelessly after being modulated to conventional wireless and talks about
Cylinder receiver；With wired after the signal demodulation from conventional wireless microphone that conventional wireless microphone receiver is used to receive
Mode is sent to external expander；External expander includes at least one wireline interface, for receiving above-mentioned transmission from traditional nothing
The human voice signal of line microphone receiver sent in a wired fashion；Further include human voice signal's processing unit, receives from having
The human voice signal of line interface, and effect process is carried out to human voice signal；The outside expander further comprises Bluetooth audio frequency transmitting-receiving
Unit, which is used to carry out bluetooth connection with mobile terminal, and receives the music companion from mobile terminal
Play signal M；Further include music accompaniment signal processing unit, receives the music accompaniment signal of Bluetooth audio frequency Transmit-Receive Unit forwarding simultaneously
The music accompaniment signal is handled；It further comprise downmixing unit, which receives from human voice signal's processing unit
Human voice signal and music accompaniment signal processing unit music accompaniment signal, and the two is mixed；Downmixing unit will mix
Musical background and human voice signal after conjunction are sent to Bluetooth audio frequency Transmit-Receive Unit, Bluetooth audio frequency Transmit-Receive Unit by the musical background and
The mixed signal M+V of human voice signal is returned to mobile terminal by bluetooth connection, carries out subsequent processing by mobile terminal；Outside this
Expander further comprises wired output interface, and downmixing unit simultaneously sends out the mixed signal of above-mentioned musical background and human voice signal
It send to wired delivery outlet, which can be attached with the wired input interface of traditional sound amplifier by cable,
Musical background and voice mixed signal further pass through the wired connection and are sent to traditional sound amplifier, by traditional sound amplifier
The musical background and voice mixed signal are reset out.
Wherein, conventional wireless microphone further comprises dynamic compression unit, receives the human voice signal from preamplifier,
And dynamic control further is carried out to human voice signal；It is then separately installed with to be integrated in mobile terminal and can cooperate external expander
For receiving the first application program of the M+V signal of its uplink and for the second application program of music, wherein
Music accompaniment signal M is provided by the second application program, and by the first application records M+V signal；The cooperation is included in
It is integrated in first application program and is suitable for the SDK that external expander uses.
The mobile network for being connected M+V signal recording in the terminal or by mobile terminal by the first application program
It is sent；The wireless transmission mode includes using radio station FM broadcast mode, uhf band broadcast mode, 2.4G multi-band broadcast
Mode.
For above system, wherein mobile terminal includes mobile phone, tablet computer, laptop computer；Traditional sound amplifier
Including speaker, television set；It is carried out using the channel bluetooth A2DP under the music accompaniment signal M between external expander and mobile terminal
Row transmission, the uplink of voice and music mix signal M+V is carried out using blue tooth RFCOMM channel.
Detailed description of the invention
Fig. 1 is the system block diagram that K of the invention sings system
Specific embodiment
In conjunction with attached drawing, K song system of the invention is described in detail.Attached drawing 1 shows entire K song system of the invention
Each part and signal flow diagram, the system include conventional wireless microphone 1, conventional wireless microphone receiver 1A, mobile terminal
2, external expander 3 and traditional sound amplifier 4；Wherein, conventional wireless microphone 1 includes microphone 11, for receiving voice and inciting somebody to action
It is converted to electric signal；Preamplifier 12 receives the electric signal from microphone 11, and amplifies to electric signal；It can
Choosing, further include dynamic compression unit 13, receive the human voice signal from preamplifier 12, and further to human voice signal into
Mobile state control avoids signal amplitude overload from causing distorsion；Wireless transmission unit 14, the wireless transmission unit 14 receive from
The signal of preamplifier 12 (dynamic compression unit 13) and being sent wirelessly to conventional wireless microphone after being modulated connects
Device 1A is received, which includes using radio station FM broadcast mode, uhf band broadcast mode, 2.4G multi-band broadcast mode
Deng these implementations are the prior art, and ready-made module can be used directly and applied, and are repeated no more；Wherein, the tradition nothing
Line microphone 1 is at least one, sings jointly when more for more people；Conventional wireless microphone receiver 1A, for that will receive
From conventional wireless microphone 1 signal demodulation after be sent to external expander 3 in a wired fashion；External expander 3 includes
At least one wireline interface 31, the people sent in a wired fashion for receiving above-mentioned transmission from traditional wireless microphone receiver 1A
Acoustical signal；Further include human voice signal's processing unit 32, receives the human voice signal from wireline interface 31, and to human voice signal
Effect process, including EQ (equilibrium) adjusting, addition reverberation etc. are carried out, specific signal processing implementation method belongs to the public affairs of this field
Know technology (such as handling using various filters, delayer etc. human voice signal), details are not described herein again, thus makes one
The sense of hearing of sound meets the needs of user, achievees the purpose that beautify voice；The outside expander 3 further comprises Bluetooth audio frequency transmitting-receiving
Unit 33, which is used to carry out bluetooth connection with mobile terminal 2, and receives from mobile terminal 2
Music accompaniment signal M；Further include music accompaniment signal processing unit 34, receives the music that Bluetooth audio frequency Transmit-Receive Unit 33 forwards
Accompaniment signal is simultaneously handled the music accompaniment signal, and the processing is eliminated including EQ adjusting, dynamic control, voice etc., is had
The signal processing implementation method of body belongs to techniques known, also repeats no more；It further comprise downmixing unit 35, the list
Member receives the human voice signal from human voice signal's processing unit 32 and the musical background letter of music accompaniment signal processing unit 34
Number, and the two is mixed；Mixed musical background and human voice signal are sent to Bluetooth audio frequency transmitting-receiving by downmixing unit 35
The mixed signal M+V of the musical background and human voice signal are passed through bluetooth connection foldback by unit 33, Bluetooth audio frequency Transmit-Receive Unit 33
To mobile terminal 2, subsequent processing is carried out by mobile terminal 2；Wherein, being separately installed with to be integrated in mobile terminal 2 can cooperate outside
The application program 21 and music application program 22 of the M+V signal for receiving its uplink of portion's expander 3, it is described
Cooperation include being integrated with to be suitable for the SDK (software development kit) that external expander 1 uses in application program 21, wherein by sound
Happy play-back application 22 provides music accompaniment signal M, and records M+V signal by application program 21, such as be recorded in mobile whole
(such as being broadcast live or sharing) is sent in end 2 or directly by the mobile network that mobile terminal 2 connects；The outside is expanded
Exhibition device 3 further comprises wired output interface 36, and downmixing unit 35 simultaneously believes above-mentioned musical background and the mixing of human voice signal
Number it is sent to wired delivery outlet 36, which can pass through line with the wired input interface 41 of traditional sound amplifier 4
Cable is attached, and musical background and voice mixed signal further pass through the wired connection and be sent to traditional sound amplifier 4, by
The musical background and voice mixed signal are reset out by traditional sound amplifier 4, and not only singer oneself can hear, but also
More people can listen to.
User is first matched external expander 3 with mobile terminal 2 when using the system by bluetooth, is established
Bluetooth connection is played, music application program 22 sends music accompaniment signal M to external expander 3 by the bluetooth connection, passes
Wireless microphone 1 of uniting receives the voice of user, and human voice signal is sent wirelessly to conventional wireless microphone receiver 1A, should
Human voice signal is further sent to external expander 3 by conventional wireless microphone receiver 1A in a wired fashion, and external expander 3 will
The music accompaniment signal of the human voice signal and musical background effect that are added to vocal effects mix, then by the mixed letter
The application program 21 of the SDK for being integrated with corresponding external expander 3 of mobile terminal 2 number is returned to by bluetooth, while will mixing
Signal is sent to traditional sound amplifier 4 in a wired fashion and is reset by traditional sound amplifier 4, then can make the participant at scene
The sound that can hear performance can make K song system very easily be compatible with traditional nothing by the way that external expander 3 is arranged
Line microphone system and traditional sound amplifier, and reduce the constraint of cable, greatly improve K song experience.
Wherein, above-mentioned mobile terminal 2 can be mobile phone, tablet computer, laptop computer etc.；Traditional sound amplifier 4 includes
Speaker, television set etc..
Wherein, the downlink transfer of the musical background M of the bluetooth connection between external expander 3 and mobile terminal 2 uses A2DP
Channel, and the uplink of voice and the mixed signal M+V of music then use blue tooth RFCOMM channel, code encoding/decoding mode uses
Thus one of SBC, OPUS, Apt-X, AAC can realize the low delay, Whole frequency band and channel transmission of uplink, greatly promote
The fidelity of uplink signal.
Rational modification of the those skilled in the art on the basis of disclosure of invention should all be regarded as belonging to guarantor of the invention
Protect range.
Claims (9)
1. a kind of K sings system, including an at least conventional wireless microphone (1), conventional wireless microphone receiver (1A), mobile terminal
(2), external expander (3) and traditional sound amplifier (4)；Wherein, conventional wireless microphone (1) includes microphone (11), for connecing
It receives voice and is converted into electric signal；Preamplifier (12) receives the electric signal from microphone (11), and to telecommunications
It number amplifies；Wireless transmission unit (14), the wireless transmission unit (14) receive the signal from preamplifier (12)
And conventional wireless microphone receiver (1A) is sent to after being modulated in a manner of wireless transmission；Conventional wireless microphone receiver (1A)
For external expander (3) will to be sent in a wired fashion after the signal demodulation from conventional wireless microphone (1) received；
External expander (3) includes at least one wireline interface (31), for receiving above-mentioned transmission from traditional wireless microphone receiver
The human voice signal sent in a wired fashion of (1A)；It further include human voice signal's processing unit (32), reception connects from wired
The human voice signal of mouth (31), and effect process is carried out to human voice signal；The outside expander (3) further comprises that Bluetooth audio frequency is received
Bill member (33), which is used to carry out bluetooth connection with mobile terminal (2), and receives from movement
The music accompaniment signal M of terminal (2)；Further include music accompaniment signal processing unit (34), receives Bluetooth audio frequency Transmit-Receive Unit
(33) forward music accompaniment signal and the music accompaniment signal is handled；It further comprise downmixing unit (35), the list
Member is received from the human voice signal of human voice signal's processing unit (32) and the music companion of music accompaniment signal processing unit (34)
Signal is played, and the two is mixed；Mixed musical background and human voice signal are sent to bluetooth sound by downmixing unit (35)
The mixed signal M+V of the musical background and human voice signal are passed through indigo plant by frequency Transmit-Receive Unit (33), Bluetooth audio frequency Transmit-Receive Unit (33)
Tooth connection is returned to mobile terminal (2), carries out subsequent processing by mobile terminal (2)；The outside expander (3) further comprises having
Line output interface (36), it is wired that the mixed signal of above-mentioned musical background and human voice signal is sent to this simultaneously by downmixing unit (35)
Delivery outlet (36), wired delivery outlet (36) can be carried out with the wired input interface (41) of traditional sound amplifier (4) by cable
Connection, musical background and voice mixed signal further pass through the wired connection and are sent to traditional sound amplifier (4), by tradition
The musical background and voice mixed signal are reset out by sound amplifier (4).
2. K as described in claim 1 sings system, it is characterized in that, conventional wireless microphone (1) further comprises dynamic compression unit
(13), the human voice signal for coming from preamplifier (12) is received, and dynamic control further is carried out to human voice signal.
3. K as described in claim 1 sings system, it is characterized in that, being separately installed with to be integrated in mobile terminal (2) can cooperate outside
Portion's expander (3) for receive its uplink M+V signal the first application program (21) and for music
Second application program (22), wherein music accompaniment signal M is provided by the second application program (22), and by the first application program (21)
Record M+V signal.
4. K as claimed in claim 3 sings system, it is characterized in that, the cooperation is included in collection in the first application program (21)
At there is the SDK for being suitable for external expander (3) and using.
5. K as claimed in claim 3 sings system, it is characterized in that, by the first application program (21) by M+V signal recording in movement
It is sent in terminal (2) or by the mobile network that mobile terminal (2) connect.
6. K as described in claim 1 sings system, it is characterized in that, the wireless transmission mode includes using radio station FM broadcaster
Formula, uhf band broadcast mode, 2.4G multi-band broadcast mode.
7. the K as described in one of claim 1-6 sings system, it is characterized in that, mobile terminal (2) includes mobile phone, tablet computer, knee
Laptop computer.
8. the K as described in one of claim 1-6 sings system, it is characterized in that, traditional sound amplifier (4) includes speaker, television set.
9. the K as described in one of claim 1-6 sings system, it is characterized in that, carries out external expander using the channel bluetooth A2DP
(3) downlink transfer of the music accompaniment signal M between mobile terminal (2) carries out voice and music using blue tooth RFCOMM channel
The uplink of mixed signal M+V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810166820.6A CN110211555A (en) | 2018-02-28 | 2018-02-28 | K sings system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810166820.6A CN110211555A (en) | 2018-02-28 | 2018-02-28 | K sings system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110211555A true CN110211555A (en) | 2019-09-06 |
Family
ID=67778978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810166820.6A Pending CN110211555A (en) | 2018-02-28 | 2018-02-28 | K sings system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110211555A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111147920A (en) * | 2019-12-26 | 2020-05-12 | 北京塞宾科技有限公司 | Karaoke method, screen projection device and storage medium |
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Effective date of registration: 20200417 Address after: 100085 12A-2, B, block 28, information road, Haidian District, Beijing. Applicant after: BEIJING SAIBIN SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 100085 12A-2, B, block 28, information road, Haidian District, Beijing. Applicant before: Zhang Deming |
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Application publication date: 20190906 |