CN207340160U

CN207340160U - A kind of wireless K songs sound system

Info

Publication number: CN207340160U
Application number: CN201721399887.1U
Authority: CN
Inventors: 张德明
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-10-26
Filing date: 2017-10-26
Publication date: 2018-05-08
Anticipated expiration: 2027-10-26

Abstract

The utility model proposes a kind of wireless K songs sound system, by setting human voice signal's processing unit, music accompaniment signal processing unit, downmixing unit in microphone, the effectively K song experience of lifting user, and by provide with wireless receiving function sound amplifier, receive and reset come from K song microphone send wireless signal so as to easily realize full Wireless for more people and meanwhile entertain K song sound system.

Description

A kind of wireless K songs sound system

Technical field

The utility model belongs to audio frequency field, more particularly to a kind of wireless K songs sound system.

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 wireless K songs sound system, by microphone Human voice signal's processing unit, music accompaniment signal processing unit, downmixing unit are set, effectively lift the K song experience of user, and is led to Cross provide with wireless receiving function sound amplifier, receive and reset come from K song microphone send wireless signal so as to With easily realize full Wireless for more people and meanwhile amusement K sing sound system.

It is proposed a kind of wireless K songs system, including wireless K songs microphone, mobile terminal and sound amplifier；Wherein, wireless K songs words Cylinder includes microphone, for receiving voice and being converted into electric signal；Preamplifier, receives the telecommunications for coming from microphone Number, and electric signal is amplified；It is characterized in that, further including human voice signal's processing unit, its reception comes from preposition amplification The human voice signal of device, and effect process is carried out to human voice signal；Further comprise Bluetooth audio frequency Transmit-Receive Unit, which receives Bill member is used to carry out bluetooth connection with mobile terminal, and receives the music accompaniment signal M from mobile terminal；Further include music Accompany signal processing unit, its receive the music accompaniment signal of Bluetooth audio frequency Transmit-Receive Unit forwarding and to the music accompaniment signal into Row processing；Further comprise downmixing unit, which receives the human voice signal and music companion for coming from human voice signal's processing unit The music accompaniment signal of signal processing unit is played, and both are mixed；Downmixing unit is by mixed musical background and people Acoustical signal is sent to Bluetooth audio frequency Transmit-Receive Unit, and Bluetooth audio frequency Transmit-Receive Unit is by the musical background and the mixed signal of human voice signal M+V is returned to mobile terminal by bluetooth connection, and subsequent treatment is carried out by mobile terminal；Further, in the wireless K songs microphone In be additionally provided with wireless transmission unit, downmixing unit also at the same time sends mixed musical background and voice mixed signal at the same time To wireless transmission unit, which sends the musical background and voice mixed signal to expansion in a manner of transmitting wirelessly Acoustic equipment；Sound amplifier includes radio receiving unit, for receiving above-mentioned musical background and voice mixed signal, and by signal into Row demodulation；Audio signal processing unit is further included, for handling the signal after demodulation；Loudspeaker is further included, for connecing Receive and come from the signal of audio signal processing unit, and convert electrical signals to acoustical signal, so that by above-mentioned musical background and people Sound mixed signal resets out.

Wherein, wireless K songs microphone further comprises dynamic compression unit, receives the human voice signal from preamplifier, And dynamic control further is carried out to human voice signal；Then it is separately installed with to be integrated with mobile terminal and can coordinates wireless K songs microphone Be used for receive the first application program of the M+V signals of its uplink and the second application program for music, its In by the second application program provide music accompaniment signal M, and by the first application records M+V signals；The cooperation includes It is integrated with the first application program and is suitable for the SDK that wireless K songs microphone uses.

The mobile network for being connected M+V signal recordings in the terminal or by mobile terminal by the first application program It is transmitted；The wireless transmission mode includes the use of radio station FM broadcast modes, uhf band broadcast mode, 2.4G multi-band broadcasts Mode.

For said system, wherein, mobile terminal includes mobile phone, tablet computer, laptop computer；Sound amplifier includes Speaker, television set, one kind of earphone, or wherein at least two kinds of distinct devices；When sound amplifier includes earphone, earphone quantity is at least For one；The downlink transfer of the music accompaniment signal M between wireless K song microphones and mobile terminal is carried out using bluetooth A2DP passages, Voice and the uplink of music mix signal M+V are carried out using blue tooth RFCOMM passage.

Brief description of the drawings

Fig. 1 is that the wireless K of the utility model sings the system block diagram of sound system

Embodiment

With reference to attached drawing, the wireless K song sound systems of the utility model are described in detail.Attached drawing 1 shows this practicality The Each part and signal flow diagram of new whole wireless K songs sound system, the system include wireless K songs microphone 1, movement eventually End 2 and sound amplifier 3；Wherein, wireless K songs microphone 1 includes microphone 11, for receiving voice and being converted into electric signal； Preamplifier 12, receives the electric signal for coming from microphone 11, and electric signal is amplified；Optionally, dynamic is further included 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, its reception come from (the dynamic compression unit of preamplifier 12 13) 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 belong to techniques known (such as using various wave filters, delayer etc. come to human voice signal carry out Processing), 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；This is wireless K Song microphone 1 further comprises Bluetooth audio frequency Transmit-Receive Unit 16, which is used to carry out indigo plant with mobile terminal 2 Tooth connects, and receives the music accompaniment signal M from mobile terminal 2；Music accompaniment signal processing unit 17 is further included, it is received The music accompaniment signal of the forwarding of Bluetooth audio frequency Transmit-Receive Unit 16 is simultaneously handled the music accompaniment signal, and the processing includes EQ Adjusting, dynamic control, voice elimination etc., specific signal processing implementation method belongs to techniques known, also no longer superfluous State；Further comprise downmixing unit 15, which receives the human voice signal and music companion for coming from human voice signal's processing unit 14 The music accompaniment signal of signal processing unit 17 is played, and both are mixed；Downmixing unit 15 is by mixed musical background Sent with human voice signal to Bluetooth audio frequency Transmit-Receive Unit 16, Bluetooth audio frequency Transmit-Receive Unit 16 is by the musical background and human voice signal Mixed signal M+V is returned to mobile terminal 2 by bluetooth connection, and subsequent treatment is carried out by mobile terminal 2；Wherein, mobile terminal 2 In be separately installed with the application program 21 for being used to receive the M+V signals of its uplink for being integrated with and can coordinating wireless K song microphone 1 And music application program 22, the cooperation, which is included in application program 21 to be integrated with, to be suitable for wireless K song microphone 1 and makes SDK (software development kit), wherein music accompaniment signal M is provided by music application program 22, and by application program 21 M+V signals are recorded, such as the mobile network for being recorded in mobile terminal 2 or directly being connected by mobile terminal 2 is transmitted (such as live or share)；Further, the important improvement point as the utility model, in the wireless K songs microphone 1 also Wireless transmission unit 18 is provided with, downmixing unit 15 also at the same time sends mixed musical background and voice mixed signal at the same time To wireless transmission unit 18, which sends the musical background and voice mixed signal in a manner of transmitting wirelessly To sound amplifier 3, which includes the use of radio station FM broadcast modes, uhf band broadcast mode, 2.4G multi-band broadcasts Mode etc., these implementations are the prior art, can directly select existing module and be applied, details are not described herein again；Public address Equipment 3 includes radio receiving unit 31, is demodulated for receiving above-mentioned musical background and voice mixed signal, and by signal； Audio signal processing unit 32 is further included, for carrying out the processing including signal amplification to the signal after demodulation；Further include Loudspeaker 33, the signal of audio signal processing unit 32 is come from for receiving, and converts electrical signals to acoustical signal, so that should Above-mentioned musical background and voice mixed signal reset out, and not only singer oneself can hear, also so that more people can be same When listen to.

Wireless K song microphones 1 are matched, established when using the system by user with mobile terminal 2 by bluetooth first 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 song microphones 1 receive the voice of user, and by the human voice signal that with the addition of vocal effects and the musical background of musical background effect Signal is mixed, then the mixed signal is returned to being integrated with for mobile terminal 2 by bluetooth and corresponds to wireless K songs microphone The application program 21 of 1 SDK, while using sound amplifier 3 is wirelessly transmitted to, is reset, then can made by sound amplifier 3 The participant at scene can hear the sound of performance, by providing the sound amplifier 3 with wireless receiving function, can make this Wireless K songs sound system reduces the constraint of cable on the whole, greatly improves K song experience.

Wherein, above-mentioned mobile terminal 2 can be mobile phone, tablet computer, laptop computer etc.；Sound amplifier 3 may include sound Case, television set, earphone etc., when sound amplifier 3 is earphone, earphone can have it is multiple, except singer wear in addition to also for more people Use is worn at the same time, and community radio reception comes from the signal that wireless K songs microphone 1 is broadcasted, experience K Nikkei interests；Further, public address is set Standby 3 can include two or more distinct device at the same time, such as wear earphone by singer, audience then listens to speaker or TV The situation for the sound that machine is reset, can also be freely combined certainly.

Wherein, the downlink transfer of the musical background M of the bluetooth connection between wireless K song microphones 1 and mobile terminal 2 uses A2DP Passage, and the uplink of voice and the mixed signal M+V of music then use blue tooth RFCOMM passage, code encoding/decoding mode uses One of SBC, OPUS, Apt-X, AAC, thus 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 the utility model disclosure should all be regarded as belonging to this practicality New protection domain.

Claims

1. a kind of wireless K songs sound system, including wireless K song microphones (1), mobile terminal (2) and sound amplifier (3)；Wherein, nothing Line K song microphones (1) include microphone (11), for receiving voice and being converted into electric signal；Preamplifier (12), receives Come from the electric signal of microphone (11), and electric signal is amplified；It is characterized in that, further include human voice signal's processing unit (14), its reception comes from the human voice signal of preamplifier (12), and carries out effect process to human voice signal；Further comprise Bluetooth audio frequency Transmit-Receive Unit (16), which is used to carry out bluetooth connection with mobile terminal (2), and connects Receive and dispatch the music accompaniment signal M from mobile terminal (2)；Music accompaniment signal processing unit (17) is further included, it receives bluetooth sound The music accompaniment signal of frequency Transmit-Receive Unit (16) forwarding is simultaneously handled the music accompaniment signal；Further comprise downmixing unit (15), which receives human voice signal and the music accompaniment signal processing unit (17) for coming from human voice signal's processing unit (14) Music accompaniment signal, and both are mixed；Downmixing unit (15) sends mixed musical background and human voice signal To Bluetooth audio frequency Transmit-Receive Unit (16), Bluetooth audio frequency Transmit-Receive Unit (16) is by the musical background and the mixed signal M+ of human voice signal V is returned to mobile terminal (2) by bluetooth connection, and subsequent treatment is carried out by mobile terminal (2)；Further, sung in the wireless K Wireless transmission unit (18) is additionally provided with microphone (1), downmixing unit (15) is also at the same time by mixed musical background and voice Mixed signal sends to wireless transmission unit (18), the wireless transmission unit (18) musical background and voice mixing letter at the same time Number sent in a manner of transmitting wirelessly to sound amplifier (3)；Sound amplifier (3) includes radio receiving unit (31), for reception Musical background and voice mixed signal are stated, and signal is demodulated；Audio signal processing unit (32) is further included, for solution Signal after tune is handled；Loudspeaker (33) is further included, the signal of audio signal processing unit (32) is come from for receiving, And acoustical signal is converted electrical signals to, so that above-mentioned musical background and voice mixed signal be reset out.

2. wireless K songs sound system as claimed in claim 1, is characterized in that, wireless K song microphones (1) further comprise dynamic Compression unit (13), receives the human voice signal from preamplifier (12), and further carries out dynamic control to human voice signal.

3. wireless K songs sound system as claimed in claim 1, is characterized in that, is separately installed with and is integrated with mobile terminal (2) Wireless K song microphones (1) can be coordinated is used to receive the first application program (21) of the M+V signals of its uplink and for sound Happy the second application program (22) played, wherein music accompaniment signal M is provided by the second application program (22), and by the first application Program (21) records M+V signals.

4. wireless K songs sound system as claimed in claim 3, is characterized in that, the cooperation is included in the first application program (21) it is integrated with and is suitable for the SDK that wireless K song microphones (1) use.

5. wireless K songs sound system as claimed in claim 3, is characterized in that, is recorded M+V signals by the first application program (21) Make in mobile terminal (2) or be transmitted by the mobile network that mobile terminal (2) connects.

6. wireless K songs sound system as claimed in claim 1, is characterized in that, the wireless transmission mode includes the use of radio station FM broadcast modes, uhf band broadcast mode, 2.4G multi-band broadcast modes.

7. the wireless K song sound systems as described in one of claim 1-6, are characterized in that, mobile terminal (2) includes mobile phone, puts down Plate computer, laptop computer.

8. the wireless K song sound systems as described in one of claim 1-6, are characterized in that, sound amplifier (3) includes speaker, electricity Depending on one kind of machine, earphone, or wherein at least two kinds of distinct devices.

9. wireless K songs sound system as claimed in claim 8, is characterized in that, when sound amplifier (3) includes earphone, earphone number Amount is at least one.

10. the wireless K song sound systems as described in one of claim 1-6, are characterized in that, nothing are carried out using bluetooth A2DP passages The downlink transfer of music accompaniment signal M between line K song microphones (1) and mobile terminal (2), using blue tooth RFCOMM passage into pedestrian The uplink of sound and music mix signal M+V.