CN207340161U - A kind of K song systems based on Baffle Box of Bluetooth - Google Patents
A kind of K song systems based on Baffle Box of Bluetooth Download PDFInfo
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- CN207340161U CN207340161U CN201721399889.0U CN201721399889U CN207340161U CN 207340161 U CN207340161 U CN 207340161U CN 201721399889 U CN201721399889 U CN 201721399889U CN 207340161 U CN207340161 U CN 207340161U
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Abstract
The utility model proposes a kind of K based on Baffle Box of Bluetooth to sing system, traditional wireless microphone can be used directly and connect Baffle Box of Bluetooth in the utility model, and human voice signal's processing unit, music accompaniment signal processing unit, downmixing unit are set in Baffle Box of Bluetooth, and mixed signal is reset by loudspeaker, effectively lifting user mobile K song experience, so as to realized while compatible conventional wireless microphone full Wireless for more people and meanwhile entertain K song system.
Description
Technical field
The utility model belongs to audio frequency field, more particularly to a kind of K song systems based on Baffle Box of Bluetooth.
Background technology
The mobile terminals such as mobile phone, tablet computer are gradually popularized, network bandwidth is constantly lifted, the K of various suitable mobile terminals
Song software is also used by more and more users, is increasingly becoming the personal entertainment mode of prevalence；When generally with mobile phone K songs,
The microphone and loudspeaker that wire microphone earphone is inserted into mobile terminal or is directly carried using mobile terminal are needed, the former
User can be subject to cable constraint experience it is bad, the latter then easy echogenicity utter long and high-pitched sounds cause song effect be deteriorated, in addition both
The real-time monitoring of voice is can not achieve, user is lacked telepresenc；Occurs the solution of some wireless K songs in the prior art
Certainly scheme, but can only substantially be entertained in currently existing scheme for one people of user, and K songs to be often more people participate in jointly could more
Possesses enjoyment, therefore currently existing scheme is not met by the needs of more people's amusements.
Utility model content
The defects of in order to overcome the prior art, the utility model proposes a kind of K to sing system, can be used directly traditional wireless
Microphone connects the Baffle Box of Bluetooth in the utility model, and human voice signal's processing unit, musical background letter are set in Baffle Box of Bluetooth
Number processing unit, downmixing unit, and reset mixed signal by loudspeaker, the mobile K song experience of user is effectively lifted, from
And can be realized while compatible conventional wireless microphone full Wireless for more people and meanwhile amusement K sing system.
It is proposed a kind of K song systems based on Baffle Box of Bluetooth, including at least conventional wireless microphone, mobile terminal, a bluetooth
Speaker；Wherein, conventional wireless microphone includes microphone, for receiving voice and being converted into electric signal；Preamplifier, connects
The electric signal for coming from microphone is received, and electric signal is amplified；Unit is transmitted wirelessly, which receives and come from
In preamplifier signal and be sent wirelessly to Baffle Box of Bluetooth after being modulated；Baffle Box of Bluetooth includes at least one nothing
Line receiving unit, for receiving the human voice signal sent from traditional wireless microphone and being demodulated to the signal；Further include
Human voice signal's processing unit, it receives the human voice signal for coming from radio receiving unit, and carries out effect process to human voice signal；
The Baffle Box of Bluetooth further comprises Bluetooth audio frequency Transmit-Receive Unit, which is used to carry out bluetooth with mobile terminal
Connection, and receive the music accompaniment signal M from mobile terminal；Music accompaniment signal processing unit is further included, it receives bluetooth
The music accompaniment signal of audio Transmit-Receive Unit forwarding is simultaneously handled the music accompaniment signal；Further comprise downmixing unit,
The unit receives the musical background letter of the human voice signal for coming from human voice signal's processing unit and music accompaniment signal processing unit
Number, and both are mixed；Mixed musical background and human voice signal are sent to Bluetooth audio frequency and receive and dispatch list by downmixing unit
The mixed signal M+V of the musical background and human voice signal are returned to movement by member, Bluetooth audio frequency Transmit-Receive Unit by bluetooth connection
Terminal, subsequent treatment is carried out by mobile terminal；The Baffle Box of Bluetooth further comprises there is audio signal processing unit, and downmixing unit is also
Musical background and voice mixed signal are sent to the audio signal processing unit at the same time, carried out by audio signal processing unit
Reason；Loudspeaker is further included, the signal of audio signal processing unit is come from for receiving, and converts electrical signals to acoustical signal,
So as to which musical background and voice mixed signal be 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；The use for being integrated with and can coordinating Baffle Box of Bluetooth is then separately installed with mobile terminal
The first application program in the M+V signals for receiving its uplink and the second application program for music, wherein by
Second application program provides music accompaniment signal M, and by the first application records M+V signals；The cooperation is included in
It is integrated with one application program and is suitable for the SDK that Baffle Box of Bluetooth uses；By the first application program by M+V signal recordings mobile whole
It is transmitted in end or by the mobile network that mobile terminal connects；The wireless transmission mode includes the use of radio station FM broadcast
Mode, uhf band broadcast mode, 2.4G multi-band broadcast modes.
For said system, wherein, mobile terminal includes mobile phone, tablet computer, laptop computer；Use bluetooth A2DP
Passage carries out the downlink transfer of the music accompaniment signal M between Baffle Box of Bluetooth and mobile terminal, is carried out using blue tooth RFCOMM passage
The uplink of voice and music mix signal M+V.
Brief description of the drawings
Fig. 1 is that the K based on Baffle Box of Bluetooth of the utility model sings the system block diagram of system
Embodiment
With reference to attached drawing, the K song systems of the utility model are described in detail.Attached drawing 1 shows the whole of the utility model
The Each part and signal flow diagram of a K songs system, the system include conventional wireless microphone 1, mobile terminal 2, Baffle Box of Bluetooth 3；
Wherein, conventional wireless microphone 1 includes microphone 11, for receiving voice and being converted into electric signal；Preamplifier 12, connects
The electric signal for coming from microphone 11 is received, and electric signal is amplified；Optionally, dynamic compression unit 13 is further included, is received
Human voice signal from preamplifier 12, and dynamic control further is carried out to human voice signal, avoid signal amplitude overload from making
Into distorsion；Unit 14 is transmitted wirelessly, which, which receives, comes from preamplifier 12 (dynamic compression unit 13)
Signal and be sent wirelessly to Baffle Box of Bluetooth 3 after being modulated, which includes the use of radio station FM broadcast
Mode, uhf band broadcast mode, 2.4G multi-band broadcast modes etc., these implementations are the prior art, be can be used directly existing
Applied, repeated no more into module；Wherein, which is at least one, is drilled jointly for more people when branched
Sing；Baffle Box of Bluetooth 3 includes at least one radio receiving unit 31, for receiving above-mentioned transmission from the voice of traditional wireless microphone 1
Signal is simultaneously demodulated the signal；Human voice signal's processing unit 32 is further included, its reception comes from radio receiving unit 31
Human voice signal, and effect process is carried out to human voice signal, including EQ (equilibrium) is adjusted, is added reverberation etc., specific signal processing
Implementation method belongs to techniques known (such as using various wave filters, delayer etc. come to human voice signal
Reason), details are not described herein again, the sense of hearing of voice is met the needs of user, achievees the purpose that to beautify voice；Baffle Box of Bluetooth 3
Further comprise Bluetooth audio frequency Transmit-Receive Unit 33, which is used to carry out bluetooth connection with mobile terminal 2,
And receive the music accompaniment signal M from mobile terminal 2；Music accompaniment signal processing unit 34 is further included, it receives bluetooth sound
Frequency Transmit-Receive Unit 33 forward music accompaniment signal simultaneously the music accompaniment signal is handled, it is described processing include EQ adjusting,
Dynamic control, voice elimination etc., specific signal processing implementation method belongs to techniques known, also repeats no more；Into
One step includes downmixing unit 35, which receives human voice signal and the music accompaniment signal for coming from human voice signal's processing unit 32
The music accompaniment signal of processing unit 34, and both are mixed；Downmixing unit 35 is by mixed musical background and voice
Signal, which is sent to Bluetooth audio frequency Transmit-Receive Unit 33, Bluetooth audio frequency Transmit-Receive Unit 33, believes the musical background and the mixing of human voice signal
Number M+V is returned to mobile terminal 2 by bluetooth connection, and subsequent treatment is carried out by mobile terminal 2；Wherein, in mobile terminal 2 respectively
It is provided with and is integrated with the application program 21 and music that are used to receive the M+V signals of its uplink that can coordinate Baffle Box of Bluetooth 3
Play-back application 22, the cooperation, which is included in application program 21, is integrated with that to be suitable for the SDK that Baffle Box of Bluetooth 3 uses (soft
Part kit), wherein providing music accompaniment signal M by music application program 22, and M+V letters are recorded by application program 21
Number, for example, be recorded in mobile terminal 2 or the mobile network that is directly connected by mobile terminal 2 be transmitted (such as
It is live or share)；The Baffle Box of Bluetooth 3 further comprises there is audio signal processing unit 36, and downmixing unit 35 is also at the same time by music
Accompaniment and voice mixed signal are sent to the audio signal processing unit 36, are carried out including signal by audio signal processing unit 36
Processing including amplification；Loudspeaker 37 is further included, comes from the signal of audio signal processing unit 36 for receiving, and by telecommunications
Number acoustical signal is converted to, so that above-mentioned musical background and voice mixed signal be reset out, not only singer oneself can listen
Arrive, also so that more people can listen at the same time.
User is first matched Baffle Box of Bluetooth 3 and mobile terminal 2 by bluetooth when using the system, it is established that
Bluetooth connection, music application program 22 send music accompaniment signal M to Baffle Box of Bluetooth 3, traditional nothing by the bluetooth connection
Line microphone 1 receives the voice of user, and human voice signal is sent wirelessly to Baffle Box of Bluetooth 3, Baffle Box of Bluetooth 3 and will with the addition of
The human voice signal of vocal effects and the music accompaniment signal of musical background effect are mixed, then the mixed signal is passed through
Bluetooth returns to the application program 21 of the SDK for being integrated with corresponding Baffle Box of Bluetooth 3 of mobile terminal 2, while is raised one's voice using what is carried
Device is reset mixed signal, then the participant at scene can be made to hear the sound of performance；Pass through the utility model
Baffle Box of Bluetooth 3, can make the K sing system very easily compatible traditional wireless microphone, and reduce the constraint of cable, carry significantly
K song experience is risen.
Wherein, above-mentioned mobile terminal 2 can be mobile phone, tablet computer, laptop computer etc..
Wherein, the downlink transfer of the musical background M of the bluetooth connection between Baffle Box of Bluetooth 3 and mobile terminal 2 is led to using A2DP
Road, and the uplink of voice and the mixed signal M+V of music then use blue tooth RFCOMM passage, code encoding/decoding mode using SBC,
One of OPUS, Apt-X, AAC, thus can realize the low delay, Whole frequency band and channel transmission of uplink, greatly promote uplink
The fidelity of signal.
Rational modification of the those skilled in the art on the basis of the utility model disclosure should all be regarded as belonging to this practicality
New protection domain.
Claims (8)
1. a kind of K song systems based on Baffle Box of Bluetooth, including an at least conventional wireless microphone (1), mobile terminal (2), bluetooth
Speaker (3)；Wherein, conventional wireless microphone (1) includes microphone (11), for receiving voice and being converted into electric signal；Before
Amplifier (12) is put, receives the electric signal for coming from microphone (11), and electric signal is amplified；Transmit wirelessly unit
(14), which receives the signal for coming from preamplifier (12) and is wirelessly sent out after being modulated
Send to Baffle Box of Bluetooth (3)；Baffle Box of Bluetooth (3) includes at least one radio receiving unit (31), is sent for receiving from traditional nothing
The human voice signal of line microphone (1) is simultaneously demodulated the signal；Human voice signal's processing unit (32) is further included, it, which is received, comes
Effect process is carried out from the human voice signal of radio receiving unit (31), and to human voice signal；The Baffle Box of Bluetooth (3) further wraps
Bluetooth audio frequency Transmit-Receive Unit (33) is included, which is used to carry out bluetooth connection with mobile terminal (2), and
Receive the music accompaniment signal M from mobile terminal (2)；Music accompaniment signal processing unit (34) is further included, it receives bluetooth
The music accompaniment signal of audio Transmit-Receive Unit (33) forwarding is simultaneously handled the music accompaniment signal；Further comprise audio mixing list
First (35), the unit receive human voice signal and the music accompaniment signal processing unit for coming from human voice signal's processing unit (32)
(34) music accompaniment signal, and both are mixed；Downmixing unit (35) is by mixed musical background and human voice signal
Send to Bluetooth audio frequency Transmit-Receive Unit (33), Bluetooth audio frequency Transmit-Receive Unit (33) and believe the musical background and the mixing of human voice signal
Number M+V is returned to mobile terminal (2) by bluetooth connection, and subsequent treatment is carried out by mobile terminal (2)；The Baffle Box of Bluetooth (3) into
One step includes audio signal processing unit (36), and downmixing unit (35) also at the same time sends musical background and voice mixed signal
To the audio signal processing unit (36), handled by audio signal processing unit (36)；Loudspeaker (37) is further included, is used for
Reception comes from the signal of audio signal processing unit (36), and converts electrical signals to acoustical signal, thus by musical background and
Voice mixed signal resets out.
2. K as claimed in claim 1 sings system, it is characterized in that, conventional wireless microphone (1) further comprises dynamic compression unit
(13), the human voice signal from preamplifier (12) is received, and dynamic control further is carried out to human voice signal.
3. K as claimed in claim 1 sings system, it is characterized in that, indigo plant can be coordinated by being separately installed with to be integrated with mobile terminal (2)
The first application program (21) for being used to receive the M+V signals of its uplink of tooth speaker (3) and for music
Two application programs (22), wherein providing music accompaniment signal M by the second application program (22), and are remembered by the first application program (21)
Record M+V signals.
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)
Into there is the SDK that is suitable for Baffle Box of Bluetooth (3) and uses.
5. K as claimed in claim 3 sings system, it is characterized in that, by the first application program (21) by M+V signal recordings in movement
It is transmitted in terminal (2) or by the mobile network that mobile terminal (2) connects.
6. K as claimed in claim 1 sings system, be characterized in that, the wireless mode include the use of radio station FM broadcast modes,
Uhf band broadcast mode, 2.4G multi-band broadcast modes.
7. the K song systems as described in one of claim 1-6, are characterized in that, mobile terminal (2) includes mobile phone, tablet computer, knee
Laptop computer.
8. the K song systems as described in one of claim 1-6, are characterized in that, Baffle Box of Bluetooth (3) are carried out using bluetooth A2DP passages
The downlink transfer of music accompaniment signal M between mobile terminal (2), voice and music mix are carried out using blue tooth RFCOMM passage
The uplink of signal M+V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721399889.0U CN207340161U (en) | 2017-10-26 | 2017-10-26 | A kind of K song systems based on Baffle Box of Bluetooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721399889.0U CN207340161U (en) | 2017-10-26 | 2017-10-26 | A kind of K song systems based on Baffle Box of Bluetooth |
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| CN207340161U true CN207340161U (en) | 2018-05-08 |
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| CN201721399889.0U Active CN207340161U (en) | 2017-10-26 | 2017-10-26 | A kind of K song systems based on Baffle Box of Bluetooth |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109246549A (en) * | 2018-09-08 | 2019-01-18 | 东莞市居胜电子有限公司 | 5.8GHz frequency band audio system implementation method and wireless microphone capable of tuning |
| CN109714672A (en) * | 2017-10-26 | 2019-05-03 | 张德明 | A kind of K song system based on Baffle Box of Bluetooth |
-
2017
- 2017-10-26 CN CN201721399889.0U patent/CN207340161U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109714672A (en) * | 2017-10-26 | 2019-05-03 | 张德明 | A kind of K song system based on Baffle Box of Bluetooth |
| CN109246549A (en) * | 2018-09-08 | 2019-01-18 | 东莞市居胜电子有限公司 | 5.8GHz frequency band audio system implementation method and wireless microphone capable of tuning |
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