CN207706422U - Wireless K sings sound system - Google Patents
Wireless K sings sound system Download PDFInfo
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- CN207706422U CN207706422U CN201721399990.6U CN201721399990U CN207706422U CN 207706422 U CN207706422 U CN 207706422U CN 201721399990 U CN201721399990 U CN 201721399990U CN 207706422 U CN207706422 U CN 207706422U
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- human voice
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Abstract
The utility model proposes a kind of wireless K to sing sound system, traditional external expander of wireless microphone connection can be used directly, and human voice signal's processing unit, music accompaniment signal processing unit, downmixing unit etc. are set in external expander, effectively promote the mobile K song experience of user, it is further attached by external expander and traditional traditional sound amplifier, so as to easily realize the K song sound systems of full Wireless entertained simultaneously for more people while compatible conventional wireless microphone and traditional sound amplifier.
Description
Technical field
The utility model belongs to audio frequency field, more particularly to a kind of wireless K sings sound system.
Background technology
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 songs,
Wire microphone earphone is inserted into mobile terminal or is directly carried using mobile terminal microphone and loud speaker are needed, the former
Both in addition user can be experienced bad by the constraint of cable, and the latter, which then easy tos 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；Occurs the solution of some wireless K songs in the prior art
Certainly scheme, but can only substantially be entertained for one people of user in currently existing scheme, and K songs to be often more people participate in jointly could more
Has enjoyment, therefore currently existing scheme is not met by the needs of more people's amusements.
Utility model content
In order to overcome the deficiencies of existing technologies, the utility model proposes a kind of wireless K to sing sound system, and biography can be used directly
The external expander of wireless microphone connection of system, and human voice signal's processing unit, music accompaniment signal are set in external expander
Processing unit, downmixing unit etc. effectively promote the mobile K song experience of user, further pass through external expander and traditional public address
Equipment is attached, so as to easily realize full Wireless while compatible conventional wireless microphone and traditional sound amplifier
For more people simultaneously entertain K sing sound system.
It is proposed a kind of wireless K songs sound system, including an at least conventional wireless microphone, mobile terminal, external expander
And traditional sound amplifier；Wherein, conventional wireless microphone includes microphone, for receiving voice and being converted into electric signal；Before
Amplifier is set, receives the electric signal for coming from microphone, and be amplified to electric signal；Wireless transmission unit, the wireless transmission
Unit receives the signal for coming from preamplifier and is sent wirelessly to external expander after being modulated；Outside extension
Device includes at least one radio receiving unit, and the human voice signal of certainly traditional wireless microphone is sent and to the signal for receiving
It is demodulated；Further include human voice signal's processing unit, receives the human voice signal for coming from radio receiving unit, and believe voice
Number carry out effect process；The outside expander further comprises Bluetooth audio frequency Transmit-Receive Unit, which is used for
Bluetooth connection is carried out with mobile terminal, and receives the music accompaniment signal M from mobile terminal；Further include at music accompaniment signal
Unit is managed, the music accompaniment signal of Bluetooth audio frequency Transmit-Receive Unit forwarding is received and the music accompaniment signal is handled；Into
One step includes downmixing unit, which receives the human voice signal for coming from human voice signal's processing unit and music accompaniment signal processing
The music accompaniment signal of unit, and the two is mixed；Downmixing unit sends mixed musical background and human voice signal
To Bluetooth audio frequency Transmit-Receive Unit, the mixed signal M+V of the musical background and human voice signal are passed through indigo plant by Bluetooth audio frequency Transmit-Receive Unit
Tooth connection is returned to mobile terminal, and subsequent processing is carried out by mobile terminal；The outside expander further comprises that wired output connects
Mouthful, the mixed signal of above-mentioned musical background and human voice signal is sent to wired output interface by downmixing unit simultaneously, this is wired
Output interface can be attached with the wired input interface of traditional sound amplifier by cable, musical background and voice mixed signal
Traditional sound amplifier is further sent to by the wired connection, is mixed the musical background and voice by traditional sound amplifier
Reproducing signals come 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 coordinate external expander
First application program of the M+V signals for receiving its uplink and the second application program for music, wherein
Music accompaniment signal M is provided by the second application program, and by the first application records M+V signals；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 recordings 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 modes, uhf band broadcast mode, 2.4G multi-band broadcasts
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 channels 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.
Description of the drawings
Fig. 1 is that the wireless K of the utility model sings the system block diagram of sound system
Specific implementation mode
In conjunction with 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 novel entire wireless K songs sound system, which includes conventional wireless microphone 1, movement
Terminal 2, external expander 3 and traditional sound amplifier 4；Wherein, conventional wireless microphone 1 includes microphone 11, for receiving voice
And it is converted into electric signal；Preamplifier 12 receives the electric signal for coming from microphone 11, and is put to electric signal
Greatly；Optionally, further include dynamic compression unit 13, receive the human voice signal from preamplifier 12, and further to voice
Signal carries out dynamic control, and signal amplitude overload is avoided to cause distorsion；Wireless transmission unit 14, the wireless transmission unit 14 receive
Come from the signal of preamplifier 12 (dynamic compression unit 13) and be sent wirelessly after being modulated to outside and is extended
Device 3, the wireless transmission mode include using radio station FM broadcast modes, uhf band broadcast mode, 2.4G multi-band broadcast modes etc.,
These realization methods are the prior art, and ready-made module can be used directly and applied, repeat no more；Wherein, the conventional wireless
Microphone 1 is at least one, is sung jointly for more people when branched；External expander 3 includes at least one radio receiving unit
31, for receiving above-mentioned transmission from the human voice signal of traditional wireless microphone 1 and being demodulated to the signal；Further include human voice signal
Processing unit 32 receives the human voice signal for coming from radio receiving unit 31, and carries out effect process to human voice signal, including
EQ (equilibrium) adjusts, addition reverberation etc., and specific signal processing implementation method belongs to techniques known (such as using each
Filter, delayer etc. are planted to handle human voice signal), details are not described herein again, and the sense of hearing of voice is thus made to meet user
Needs, achieve the purpose that beautify voice；The outside expander 3 further comprises Bluetooth audio frequency Transmit-Receive Unit 33, the bluetooth sound
Frequency Transmit-Receive Unit 33 is used to carry out bluetooth connection with mobile terminal 2, and receives the music accompaniment signal M from mobile terminal 2；Also
Including music accompaniment signal processing unit 34, the music accompaniment signal of 33 forwarding of Bluetooth audio frequency Transmit-Receive Unit is received and to the sound
Happy accompaniment signal is handled, and the processing includes EQ adjustings, dynamic control, voice elimination etc., and specific signal processing is realized
Method belongs to techniques known, also repeats no more；Further comprise downmixing unit 35, unit reception comes from voice
The music accompaniment signal of the human voice signal and music accompaniment signal processing unit 34 of signal processing unit 32, and the two is mixed
It closes；Mixed musical background and human voice signal are sent to Bluetooth audio frequency Transmit-Receive Unit 33 by downmixing unit 35, and Bluetooth audio frequency is received
The mixed signal M+V of the musical background and human voice signal are returned to mobile terminal 2 by bill member 33 by bluetooth connection, by moving
Terminal 2 carries out subsequent processing；Wherein, be separately installed in mobile terminal 2 be integrated with can coordinate external expander 3 for connecing
The application program 21 and music application program 22 of the M+V signals of its uplink are received, the cooperation is included in application
The SDK (software development kit) for being suitable for external expander 1 and using is integrated in program 21, wherein by music application program 22
Music accompaniment signal M is provided, and M+V signals are recorded by application program 21, such as is recorded in mobile terminal 2 or directly passes through
The mobile network that mobile terminal 2 connects is sent (such as being broadcast live or sharing)；The outside expander 3 further comprises
Wired output interface 36, it is wired defeated that the mixed signal of above-mentioned musical background and human voice signal is sent to this by downmixing unit 35 simultaneously
Outgoing interface 36, wired output interface 36 can be attached with the wired input interface 41 of traditional sound amplifier 4 by cable, sound
Happy accompaniment and voice mixed signal are further sent to traditional sound amplifier 4 by the wired connection, by traditional sound amplifier 4
The musical background and voice mixed signal are reset out, not only singer oneself can hear, but also more people can listen
It listens.
User is first matched external expander 3 and mobile terminal 2 by bluetooth when using the system, 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 external expander 3, external expander 3
The music accompaniment signal of the human voice signal for being added to vocal effects and musical background effect are mixed, then this is mixed
Signal returns to the application program 21 of the SDK for being integrated with corresponding external expander 3 of mobile terminal 2 by bluetooth, while will mix
It closes signal to be sent to traditional sound amplifier 4 in a wired fashion and reset by traditional sound amplifier 4, then can make the participation at scene
Person can hear the sound of performance, by the way that external expander 3 is arranged, the wireless K songs sound system can be made very easily simultaneous
Hold traditional wireless microphone and traditional sound amplifier, and reduce the constraint of cable, greatly improves 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 to use
Thus one of SBC, OPUS, Apt-X, AAC can realize the low delay, Whole frequency band and channel transmission of uplink, carry significantly
Rise the fidelity of uplink signal.
Rational modification of those skilled in the art on the basis of the utility model disclosure should all be regarded as belonging to this practicality
Novel protection domain.
Claims (9)
1. a kind of wireless K sings sound system, including an at least conventional wireless microphone (1), mobile terminal (2), external expander
(3) and traditional sound amplifier (4)；Wherein, conventional wireless microphone (1) includes microphone (11), for receiving voice and by its turn
It is changed to electric signal；Preamplifier (12) receives the electric signal for coming from microphone (11), and is amplified to electric signal；Nothing
Line transmission unit (14), the wireless transmission unit (14) receive the signal for coming from preamplifier (12) and after being modulated with
Wireless transmission mode is sent to external expander (3)；External expander (3) includes at least one radio receiving unit (31), is used
In the human voice signal for receiving the certainly traditional wireless microphone (1) of transmission and the signal is demodulated；Further include at human voice signal
Unit (32) is managed, receives the human voice signal for coming from radio receiving unit (31), and effect process is carried out to human voice signal；It should
External expander (3) further comprises Bluetooth audio frequency Transmit-Receive Unit (33), which is used for and movement
Terminal (2) carries out bluetooth connection, and receives the music accompaniment signal M from mobile terminal (2)；Further include at music accompaniment signal
Unit (34) is managed, the music accompaniment signal that Bluetooth audio frequency Transmit-Receive Unit (33) forwards is received and the music accompaniment signal is carried out
Processing；Further comprise downmixing unit (35), the unit receive the human voice signal for coming from human voice signal's processing unit (32) and
The music accompaniment signal of music accompaniment signal processing unit (34), and the two is mixed；After downmixing unit (35) will mix
Musical background and human voice signal be sent to Bluetooth audio frequency Transmit-Receive Unit (33), Bluetooth audio frequency Transmit-Receive Unit (33) is by music companion
It plays and mobile terminal (2) is returned to by bluetooth connection with the mixed signal M+V of human voice signal, carried out by mobile terminal (2) follow-up
Processing；The outside expander (3) further comprises wired output interface (36), downmixing unit (35) while by above-mentioned musical background
It is sent to wired output interface (36) with the mixed signal of human voice signal, which can set with traditional public address
The wired input interface (41) of standby (4) is attached by cable, and musical background and voice mixed signal further have by this
Line connection is sent to traditional sound amplifier (4), is reset the musical background and voice mixed signal by traditional sound amplifier (4)
Out.
2. wireless K as described in claim 1 sings sound system, it is characterized in that, conventional wireless microphone (1) further comprises 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 as described in claim 1 sings sound system, it is characterized in that, is separately installed with and is integrated in mobile terminal (2)
The first application program (21) of the M+V signals for receiving its uplink of external expander (3) can be coordinated and be used 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 as claimed in claim 3 sings sound system, it is characterized in that, the cooperation is included in the first application program
(21) it is integrated in and is suitable for the SDK that external expander (3) uses.
5. wireless K as claimed in claim 3 sings sound system, it is characterized in that, is recorded M+V signals by the first application program (21)
The mobile network for making in mobile terminal (2) or being connected by mobile terminal (2) sends.
6. wireless K as described in claim 1 sings sound system, it is characterized in that, the wireless transmission mode includes using radio station
FM broadcast modes, uhf band broadcast mode, 2.4G multi-band broadcast modes.
7. the wireless K as described in one of claim 1-6 sings sound system, it is characterized in that, mobile terminal (2) includes mobile phone, puts down
Plate computer, laptop computer.
8. the wireless K as described in one of claim 1-6 sings sound system, it is characterized in that, traditional sound amplifier (4) includes sound
Case, television set.
9. the wireless K as described in one of claim 1-6 sings sound system, it is characterized in that, is carried out using the channels bluetooth A2DP outer
The downlink transfer of music accompaniment signal M between portion's expander (3) and mobile terminal (2), using blue tooth RFCOMM channel into pedestrian
The uplink of sound and music mix signal M+V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721399990.6U CN207706422U (en) | 2017-10-26 | 2017-10-26 | Wireless K sings sound system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721399990.6U CN207706422U (en) | 2017-10-26 | 2017-10-26 | Wireless K sings sound system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207706422U true CN207706422U (en) | 2018-08-07 |
Family
ID=63021744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721399990.6U Active CN207706422U (en) | 2017-10-26 | 2017-10-26 | Wireless K sings sound system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207706422U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109714680A (en) * | 2017-10-26 | 2019-05-03 | 张德明 | Wireless K sings sound system |
| CN111447530A (en) * | 2020-05-08 | 2020-07-24 | 深圳悦享无限科技有限公司 | Integrated expander sound box system |
| CN111754964A (en) * | 2019-03-29 | 2020-10-09 | 比亚迪股份有限公司 | Sound processing device and method, karaoke system and vehicle |
| CN115691456A (en) * | 2021-07-21 | 2023-02-03 | 比亚迪股份有限公司 | Vehicle-mounted audio playing method and device, multimedia host and storage medium |
-
2017
- 2017-10-26 CN CN201721399990.6U patent/CN207706422U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109714680A (en) * | 2017-10-26 | 2019-05-03 | 张德明 | Wireless K sings sound system |
| CN111754964A (en) * | 2019-03-29 | 2020-10-09 | 比亚迪股份有限公司 | Sound processing device and method, karaoke system and vehicle |
| CN111447530A (en) * | 2020-05-08 | 2020-07-24 | 深圳悦享无限科技有限公司 | Integrated expander sound box system |
| CN115691456A (en) * | 2021-07-21 | 2023-02-03 | 比亚迪股份有限公司 | Vehicle-mounted audio playing method and device, multimedia host and storage medium |
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