CN109658910A - A kind of wireless K song system - Google Patents
A kind of wireless K song system Download PDFInfo
- Publication number
- CN109658910A CN109658910A CN201710957642.4A CN201710957642A CN109658910A CN 109658910 A CN109658910 A CN 109658910A CN 201710957642 A CN201710957642 A CN 201710957642A CN 109658910 A CN109658910 A CN 109658910A
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- CN
- China
- Prior art keywords
- signal
- wireless
- mobile terminal
- unit
- microphone
- 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.)
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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
- G10H1/36—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
- G10H1/0033—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
- G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
- G10H2210/155—Musical effects
- G10H2210/245—Ensemble, i.e. adding one or more voices, also instrumental voices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
Abstract
The present invention proposes a kind of wireless K song system, by the way that human voice signal's processing unit, music accompaniment signal processing unit, downmixing unit are arranged in microphone, the K for effectively promoting user sings experience, and by being arranged there is the external expander of wireless receiving function to be attached with traditional sound amplifier, so as to easily realized while compatible traditional sound amplifier full Wireless for more people while the K song system entertained.
Description
Technical field
The invention belongs to audio frequency field, in particular to a kind of wireless 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 wireless K song system, by the way that voice is arranged in microphone
Signal processing unit, music accompaniment signal processing unit, downmixing unit, the K for effectively promoting user sings experience, and passes through setting tool
There is the external expander of wireless receiving function to be attached with traditional sound amplifier, so as in compatible traditional sound amplifier
While easily realize full Wireless for more people and meanwhile amusement K sing system.
It is proposed a kind of wireless K song system, including wireless K song microphone, mobile terminal, external expander and sound amplifier；Its
In, wireless K song microphone includes microphone, for receiving voice and being converted into electric signal；Preamplifier, receive from
The electric signal of microphone, and electric signal is amplified；It is characterized in that, further including human voice signal's processing unit, receives and
Effect process is carried out from the human voice signal of preamplifier, and to human voice signal；It further comprise Bluetooth audio frequency Transmit-Receive Unit,
The Bluetooth audio frequency Transmit-Receive Unit is used to carry out bluetooth connection with mobile terminal, and receives the music accompaniment signal from mobile terminal
M；Further include music accompaniment signal processing unit, receives the music accompaniment signal of Bluetooth audio frequency Transmit-Receive Unit forwarding and to the sound
Happy accompaniment signal is handled；It further comprise downmixing unit, which receives the voice from human voice signal's processing unit
The music accompaniment signal of signal and music accompaniment signal processing unit, and the two is mixed；Downmixing unit will be mixed
Musical background and human voice signal are sent to Bluetooth audio frequency Transmit-Receive Unit, and Bluetooth audio frequency Transmit-Receive Unit believes the musical background and voice
Number mixed signal M+V mobile terminal is returned to by bluetooth connection, subsequent processing is carried out by mobile terminal；Further, exist
It is additionally provided with wireless transmission unit in this is wireless K song microphone, downmixing unit also simultaneously mixes mixed musical background and voice
It closes signal and is sent to wireless transmission unit simultaneously, the wireless transmission unit is by the musical background and voice mixed signal wirelessly to send out
Mode is sent to be sent to external expander；External expander further includes radio receiving unit, for receiving above-mentioned musical background and people
Sound mixed signal；Further include wired output interface, can be attached with the wired input interface of sound amplifier by cable, sound
Happy accompaniment and voice mixed signal further pass through the wired connection and enter sound amplifier, by sound amplifier by the musical background
It is reset with voice mixed signal.
Wherein, wireless K song 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 wireless K song microphone
The M+V signal for receiving its uplink the first application program and the second application program for music,
In by the second application program provide music accompaniment signal M, and by the first application records M+V signal；The cooperation includes
It is integrated in the first application program and is suitable for the SDK that wireless K song microphone 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；Sound amplifier includes
Speaker, television set；The downlink of the music accompaniment signal M between wireless K song microphone and mobile terminal is carried out using the channel bluetooth A2DP
Transmission carries out the uplink of voice and music mix signal M+V using blue tooth RFCOMM channel.
Detailed description of the invention
Fig. 1 is the system block diagram that wireless K of the invention sings system
Specific embodiment
In conjunction with attached drawing, wireless K song system of the invention is described in detail.Attached drawing 1 shows entire nothing of the invention
Line K sings the Each part and signal flow diagram of system, which includes wireless K song microphone 1, mobile terminal 2, external expander 3
And sound amplifier 4；Wherein, wireless K song microphone 1 includes microphone 11, for receiving voice and being converted into electric signal；It is preposition
Amplifier 12 receives the electric signal from microphone 11, and amplifies to electric signal；It optionally, further include dynamic compression
Unit 13 receives the human voice signal from preamplifier 12, and further carries out dynamic control to human voice signal, avoids signal
Amplitude overload causes distorsion；Human voice signal's processing unit 14 is received from preamplifier 12 (dynamic compression unit 13)
Human voice signal, and effect process is carried out to human voice signal, including EQ (equilibrium) is adjusted, added reverberation etc., at specific signal
Reason implementation method belongs to techniques known (such as using various filters, delayer etc. come to human voice signal
Reason), details are not described herein again, and the sense of hearing of voice is thus made to meet the needs of user, achievees the purpose that beautify voice；This is wireless, and K is sung
Microphone 1 further comprises Bluetooth audio frequency Transmit-Receive Unit 16, which is used to carry out bluetooth with mobile terminal 2
Connection, and receive the music accompaniment signal M from mobile terminal 2；Further include music accompaniment signal processing unit 17, receives blue
The music accompaniment signal of the forwarding of tooth audio Transmit-Receive Unit 16 is simultaneously handled the music accompaniment signal, and the processing includes EQ tune
Section, dynamic control, voice elimination etc., specific signal processing implementation method belongs to techniques known, also repeats no more；
It further comprise downmixing unit 15, which receives believes from the human voice signal of human voice signal's processing unit 14 and musical background
The music accompaniment signal of number processing unit 17, and the two is mixed；Downmixing unit 15 is by mixed musical background and people
Acoustical signal is sent to Bluetooth audio frequency Transmit-Receive Unit 16, and Bluetooth audio frequency Transmit-Receive Unit 16 is by the mixing of the musical background and human voice signal
Signal M+V is returned to mobile terminal 2 by bluetooth connection, carries out subsequent processing by mobile terminal 2；Wherein, divide in mobile terminal 2
Be not equipped with the application program 21 for being integrated with the M+V signal for receiving its uplink that can cooperate wireless K song microphone 1 and
Music application program 22, the cooperation include being integrated with to be suitable for wireless K song microphone 1 and use in application program 21
SDK (software development kit) wherein providing music accompaniment signal M by music application program 22, and records M by application program 21
+ V signal, for example, be recorded in mobile terminal 2 or directly sent by the mobile network that mobile terminal 2 connects (such as
For being broadcast live or sharing)；Further, as important improvement point of the invention, nothing is additionally provided in the wireless K song microphone 1
Mixed musical background and voice mixed signal are also sent to wireless hair simultaneously by line transmission unit 18, downmixing unit 15 simultaneously
Unit 18 is sent, which is sent to external expansion for the musical background and voice mixed signal in a manner of transmitting wirelessly
Device 3 is opened up, 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, can directly be applied, and are repeated no more；External expander 3 further includes wireless receiving
Unit 31, for receiving above-mentioned musical background and voice mixed signal；It further include wired output interface 32, it can be with sound amplifier
4 wired input interface 41 is attached by cable, and musical background and voice mixed signal further pass through the wired connection
Sound amplifier 4 is entered, resets out by the musical background and voice mixed signal by sound amplifier 4, not only singer oneself
It can hear, but also more people can listen to.
Wireless K song microphone 1 is matched with mobile terminal 2 by bluetooth first, is established when using the system by user
Bluetooth connection is played, music application program 22 sends music accompaniment signal M to wireless K by the bluetooth connection and sings microphone 1, nothing
Line K sings microphone 1 and receives the voice of user, and will be added to the musical background of the human voice signal and musical background effect of vocal effects
Signal is mixed, then the mixed signal is sung microphone by the corresponding wireless K that is integrated with that bluetooth returns to mobile terminal 2
The application program 21 of 1 SDK, while using being wirelessly transmitted to external expander 3, by external expander 3 again by signal with
Wired mode is sent to sound amplifier 4 and is reset by sound amplifier 4, then can make the participant at scene that can hear performance
Sound wireless K song system can be made very easily to be compatible with traditional sound amplifier, and subtract by the way that external expander 3 is arranged
The constraint for having lacked cable greatly improves K song experience.
Wherein, above-mentioned mobile terminal 2 can be mobile phone, tablet computer, laptop computer etc.；Sound amplifier 4 include speaker,
Television set etc..
Wherein, the downlink transfer of the musical background M of the bluetooth connection between wireless K song microphone 1 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 wireless K sings system, including wireless K song microphone (1), mobile terminal (2), external expander (3) and sound amplifier
(4)；Wherein, wireless K song microphone (1) includes microphone (11), for receiving voice and being converted into electric signal；Preposition amplification
Device (12) receives the electric signal from microphone (11), and amplifies to electric signal；It is characterized in that, further including voice
Signal processing unit (14) receives the human voice signal from preamplifier (12), and carries out at effect to human voice signal
Reason；It further comprise Bluetooth audio frequency Transmit-Receive Unit (16), which is used to carry out with mobile terminal (2)
Bluetooth connection, and receive the music accompaniment signal M from mobile terminal (2)；It further include music accompaniment signal processing unit (17),
Its music accompaniment signal for receiving Bluetooth audio frequency Transmit-Receive Unit (16) forwarding is simultaneously handled the music accompaniment signal；Further
Including downmixing unit (15), which receives human voice signal and music accompaniment signal from human voice signal's processing unit (14)
The music accompaniment signal of processing unit (17), and the two is mixed；Downmixing unit (15) by mixed musical background and
Human voice signal is sent to Bluetooth audio frequency Transmit-Receive Unit (16), and Bluetooth audio frequency Transmit-Receive Unit (16) is by the musical background and human voice signal
Mixed signal M+V mobile terminal (2) are returned to by bluetooth connection, by mobile terminal (2) carry out subsequent processing；Further
, it is additionally provided with wireless transmission unit (18) in wireless K song microphone (1), downmixing unit (15) also simultaneously will be mixed
Musical background and voice mixed signal are sent to wireless transmission unit (18) simultaneously, and the wireless transmission unit (18) is by music companion
It plays and is sent to external expander (3) in a manner of transmitting wirelessly with voice mixed signal；External expander (3) further includes wireless receiving
Unit (31), for receiving above-mentioned musical background and voice mixed signal；It further include wired output interface (32), it can be with public address
The wired input interface (41) of equipment (4) is attached by cable, and musical background and voice mixed signal further pass through this
Wired connection enters sound amplifier (4), is reset the musical background and voice mixed signal by sound amplifier (4).
2. wireless K as described in claim 1 sings system, it is characterized in that, wireless K song microphone (1) further comprises dynamic compression
Unit (13) receives the human voice signal for coming from preamplifier (12), and further carries out dynamic control to human voice signal.
3. wireless K as described in claim 1 sings system, it is characterized in that, is separately installed in mobile terminal (2) and is integrated with and can match
It closes the first application program (21) of the M+V signal for receiving its uplink of wireless K song microphone (1) and is broadcast for music
The second application program (22) put, wherein music accompaniment signal M is provided by the second application program (22), and by the first application program
(21) M+V signal is recorded.
4. wireless K as claimed in claim 3 sings system, it is characterized in that, the cooperation is included in the first application program (21)
In be integrated with and be suitable for the SDK that wireless K song microphone (1) uses.
5. wireless K as claimed in claim 3 sings system, it is characterized in that, M+V signal recording is existed by the first application program (21)
It is sent in mobile terminal (2) or by the mobile network that mobile terminal (2) connect.
6. wireless K as described in claim 1 sings system, it is characterized in that, the wireless transmission mode includes wide using radio station FM
Broadcast mode, uhf band broadcast mode, 2.4G multi-band broadcast mode.
7. the wireless K as described in one of claim 1-6 sings system, it is characterized in that, mobile terminal (2) includes mobile phone, plate electricity
Brain, laptop computer.
8. the wireless K as described in one of claim 1-6 sings system, it is characterized in that, sound amplifier (4) includes speaker, television set.
9. the wireless K as described in one of claim 1-6 sings system, it is characterized in that, carries out wireless K song using the channel bluetooth A2DP
The downlink transfer of music accompaniment signal M between microphone (1) and mobile terminal (2), using blue tooth RFCOMM channel carry out voice and
The uplink of music mix signal M+V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957642.4A CN109658910A (en) | 2017-10-11 | 2017-10-11 | A kind of wireless K song system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957642.4A CN109658910A (en) | 2017-10-11 | 2017-10-11 | A kind of wireless K song system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109658910A true CN109658910A (en) | 2019-04-19 |
Family
ID=66109778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710957642.4A Withdrawn CN109658910A (en) | 2017-10-11 | 2017-10-11 | A kind of wireless K song system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109658910A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224773A (en) * | 2019-05-07 | 2019-09-10 | 张德明 | A kind of FM tuning methods of vehicle-mounted K song system |
| CN110730409A (en) * | 2019-11-20 | 2020-01-24 | 深圳巴金科技有限公司 | Karaoke system, karaoke method and family scene Karaoke system |
| CN110728969A (en) * | 2019-11-20 | 2020-01-24 | 深圳巴金科技有限公司 | Double-point sounding karaoke system and method |
| CN111182432A (en) * | 2019-12-30 | 2020-05-19 | 重庆电子工程职业学院 | Multi-scene self-adaptive intelligent sound amplifying system |
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| CN203327001U (en) * | 2013-05-21 | 2013-12-04 | 张云 | Multifunctional bluetooth adapter |
| CN104486698A (en) * | 2014-12-11 | 2015-04-01 | 恩平金百灵音响器材有限公司 | Wireless singing microphone system for mobile phone |
| CN106210943A (en) * | 2016-07-25 | 2016-12-07 | 北京塞宾科技有限公司 | A kind of wireless K sings microphone |
| CN106254978A (en) * | 2016-11-09 | 2016-12-21 | 深圳矽乐科技有限公司 | A kind of multifunction wireless music microphone |
-
2017
- 2017-10-11 CN CN201710957642.4A patent/CN109658910A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203327001U (en) * | 2013-05-21 | 2013-12-04 | 张云 | Multifunctional bluetooth adapter |
| CN104486698A (en) * | 2014-12-11 | 2015-04-01 | 恩平金百灵音响器材有限公司 | Wireless singing microphone system for mobile phone |
| CN106210943A (en) * | 2016-07-25 | 2016-12-07 | 北京塞宾科技有限公司 | A kind of wireless K sings microphone |
| CN106254978A (en) * | 2016-11-09 | 2016-12-21 | 深圳矽乐科技有限公司 | A kind of multifunction wireless music microphone |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224773A (en) * | 2019-05-07 | 2019-09-10 | 张德明 | A kind of FM tuning methods of vehicle-mounted K song system |
| CN110730409A (en) * | 2019-11-20 | 2020-01-24 | 深圳巴金科技有限公司 | Karaoke system, karaoke method and family scene Karaoke system |
| CN110728969A (en) * | 2019-11-20 | 2020-01-24 | 深圳巴金科技有限公司 | Double-point sounding karaoke system and method |
| CN111182432A (en) * | 2019-12-30 | 2020-05-19 | 重庆电子工程职业学院 | Multi-scene self-adaptive intelligent sound amplifying system |
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200421 Address after: 100085 12A-2, B, block 28, information road, Haidian District, Beijing. Applicant after: BEIJING SABINE TECHNOLOGIES Ltd. Address before: 100022 Hengrun commercial center 12F, 1 Huang Mu Chang Road, Chaoyang District, Beijing Applicant before: Zhang Deming |
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| TA01 | Transfer of patent application right | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190419 |
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| WW01 | Invention patent application withdrawn after publication |