CN210381246U - Live telecast pickup device of musical instrument class musical instrument - Google Patents
Live telecast pickup device of musical instrument class musical instrument Download PDFInfo
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- CN210381246U CN210381246U CN201922085696.3U CN201922085696U CN210381246U CN 210381246 U CN210381246 U CN 210381246U CN 201922085696 U CN201922085696 U CN 201922085696U CN 210381246 U CN210381246 U CN 210381246U
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Abstract
The utility model discloses a live pick-up device of musical instrument class musical instrument relating to pickup system technical field has solved the problem of inconvenient broadcast accompaniment and audio in live broadcast process. The technical key points are as follows: including the DSP module, the radio module, output module and power module, the DSP module respectively with radio module and output module electric connection, power module respectively with the DSP module, radio module and output module electric connection, still include control module, control module electric connection has button input circuit, control module and DSP module electric connection, DSP module electric connection has USB link module, control module electric connection has the display, DSP module electric connection has TF card connection module, DSP module electric connection has bluetooth link module. The convenient playing of the suitable accompaniment and sound effect can be convenient, the effect of convenient live broadcast is achieved, the effect of listening and entertainment is improved, and the commercial application prospect is high.
Description
Technical Field
The utility model relates to a pickup system technical field, especially a live pickup of musical instrument class musical instrument.
Background
With the rapid development of the internet, live webcasts gradually enter the visual field of people, and more anchor broadcasters show musical instrument performances and other talents to audiences in a live webcasting mode. More anchor broadcasters choose to use the mobile phone for live broadcasting and record the sound through a built-in microphone on the mobile phone.
In order to improve the listening effect and the entertainment effect, it is often necessary to add accompaniment and sound effects simulating applause and cheering during the performance of musical instruments. At present, most of anchor broadcasting methods play accompaniment and sound effects through mobile phone software, but the mobile phone is often required to be placed at a position close to a sound source in the process of live broadcasting by using the mobile phone, so that the mobile phone can conveniently record and play sound in the live broadcasting process. When placing the cell-phone in the position that is close to the musical instrument, often can make the anchor inconvenient operation cell-phone, cause the inconvenient problem of playing accompaniment and audio through the cell-phone. Therefore, the problem that the accompaniment and the sound effect are inconvenient to play in the live broadcasting process exists in the prior art.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide a live broadcast pickup device of musical instruments, which has the advantages of convenient recording of sound sources at different positions, good recording effect and convenient live broadcast activity.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a musical instrument class musical instrument's live pickup device, includes DSP module, radio module, output module and power module, the DSP module respectively with radio module and output module electric connection, power module respectively with DSP module, radio module and output module electric connection, still include control module, control module electric connection has button input circuit, control module and DSP module electric connection, DSP module electric connection has USB connecting module, control module electric connection has the display, DSP module electric connection has TF card to connect the module, DSP module electric connection has bluetooth connecting module.
As a further improvement of the invention: the output module comprises a digital-to-analog converter and a mobile phone live broadcast connecting circuit, the digital-to-analog converter is electrically connected with the DSP module, the mobile phone live broadcast connecting circuit is electrically connected with the digital-to-analog converter, and the mobile phone live broadcast connecting circuit is provided with a mobile phone connecting port.
As a further improvement of the invention: the radio module comprises a sensor input circuit, the sensor input circuit is electrically connected with the DSP module, and the sensor input circuit is provided with a pickup input interface.
As a further improvement of the invention: the power module comprises a lithium battery unit, a charging circuit, a 5V booster circuit, a 12V booster circuit and a 3.3V voltage stabilizing circuit, wherein the lithium battery unit is electrically connected with the charging circuit, the 5V booster circuit, the 12V booster circuit and the 3.3V voltage stabilizing circuit.
As a further improvement of the invention: the 12V booster circuit is electrically connected with the sensor input circuit, the 5V booster circuit is electrically connected with the digital-to-analog converter and the control module respectively, and the 3.3V voltage stabilizing circuit is electrically connected with the DSP module.
As a further improvement of the invention: the digital-to-analog converter is electrically connected with an earphone output circuit, and the earphone output circuit is provided with an earphone output interface.
Compared with the prior art, the invention has the beneficial effects that:
and a control instruction is sent to the control module through the key input circuit, so that the control of the control module is realized. The control module sends a display signal to the display, and the effect of convenient operation can be achieved through the display. The man-machine interaction function is realized through the key input circuit and the display.
Be connected with external USB memory through USB connection module to can write into audio signal in external USB memory through control module control DSP module, and then can be quick store the audio frequency in the USB memory, play the effect that facilitates the use. The control module is used for controlling the DSP module to play audio data preset in the USB memory, so that the function of playing the accompaniment can be realized by presetting accompaniment audio data in the USB memory.
Connect with TF card memory through TF card connection module to can write in audio signal into TF card memory through control module control DSP module, and then can be quick store the audio frequency to TF card memory in, play the effect of facilitating the use. The audio data that predetermines in the TF card can also be played through control module control DSP module to can realize the function of broadcast accompaniment through predetermineeing accompaniment audio data in the TF card.
Be connected through bluetooth link module and external bluetooth module to can be through control module control DSP module with audio signal transmission to external bluetooth module in, and then can be quick transmit the audio signal who records through bluetooth link module, play the effect that facilitates the use.
When the mobile phone is used for live broadcasting, the mobile phone is connected with the output module. This pickup apparatus can read and play the audio data in USB memory and the TF card memory to can be through predetermineeing the accompaniment and the audio effect that need play in USB memory and TF card memory, and will broadcast the audio signal who plays accompaniment and audio effect and pass through output module and transmit to the cell-phone, thereby realize selecting and playing accompaniment and audio effect through this pickup apparatus. Through this pickup apparatus, need not operate on the cell-phone and can play suitable accompaniment and audio, reach the effect of convenient live broadcast, play and improve and listen to effect and entertainment effect, have higher commercial application prospect.
The mobile phone connecting port is used for connecting a mobile phone needing live broadcasting, the DSP module transmits an audio signal to the digital-to-analog converter, the audio signal is processed by the digital-to-analog converter and then transmitted to the mobile phone connecting port through the mobile phone live broadcasting connecting circuit, and the audio signal is transmitted to the mobile phone through the mobile phone connecting port.
The inside adapter that is equipped with of some musical instruments in market to can utilize built-in adapter to gather audio signal on the musical instrument through adapter input interface and the adapter electric connection of installing on the musical instrument, and transmit the audio signal that the adapter gathered to the DSP module through sensor input circuit, realize the function of radio recording sound through the built-in adapter of musical instrument.
The earphone output interface is used for connecting an earphone, the DSP module transmits the audio signals to the earphone output interface through the earphone output circuit, and the audio signals are transmitted to the earphone through the earphone output interface, so that the audio signals output by the DSP module can be played by the earphone, and the function of outputting the audio signals is realized. In the live broadcast process, the anchor broadcasts wear the earphones connected with the earphone output interface, the sound output by the pickup system can be directly heard, the anchor broadcasts can be made to listen in a trial mode conveniently, the sound emitted in the listening in-process can be prevented from being recorded again, and therefore the effect of improving the recording effect and making things convenient for live broadcast can be achieved.
Drawings
FIG. 1 is a schematic view of a connection structure of the present embodiment;
fig. 2 is a schematic diagram of a connection structure of a power module in the present embodiment;
FIG. 3 is a schematic circuit diagram of the DSP module according to the present embodiment;
FIG. 4 is a schematic circuit diagram of the input module according to the present embodiment;
fig. 5 is a schematic circuit connection diagram of the digital-to-analog converter and the direct broadcast connection circuit of the mobile phone in the present embodiment;
FIG. 6 is a schematic circuit diagram of the earphone output circuit according to the present embodiment;
FIG. 7 is a schematic circuit diagram of the control module according to the present embodiment;
FIG. 8 is a schematic circuit diagram of the key circuit of the present embodiment;
fig. 9 is a circuit connection diagram of the power module in this embodiment.
Reference numerals: 11. a DSP module; 12. a control module; 13. a key input circuit; 14. a display; 15. a Bluetooth connection module; 16. a USB connection module; 17. a TF card connecting module; 21. a radio module; 22. a sensor input circuit; 23. a sound pick-up input interface; 31. an output module; 32. a digital-to-analog converter; 33. a mobile phone live broadcast connecting circuit; 34. a mobile phone connector; 35. an earphone output circuit; 36. an earphone output interface; 41. a power supply module; 42. a charging circuit; 43. a lithium battery cell; 44. a 12V boost circuit; 45. a 5V boost circuit; 46. 3.3V voltage stabilizing circuit.
Detailed Description
The invention will now be further described with reference to the accompanying drawings, in which:
example (b):
the utility model provides a musical instrument class musical instrument's live pick-up, as shown in fig. 1 to 9, including DSP module 11, radio module 21, output module 31 and power module 41, DSP module 11 respectively with radio module 21 and output module 31 electric connection, power module 41 respectively with DSP module 11, radio module 21 and output module 31 electric connection, still include control module 12, control module 12 electric connection has button input circuit 13, control module 12 and 11 electric connection of DSP module, 11 electric connection of DSP module has USB connection module 16, 12 electric connection of control module has display 14, 11 electric connection of DSP module has TF card connection module 17, 11 electric connection of DSP module has bluetooth connection module 15.
The digital-to-analog converter 32 is electrically connected to an earphone output circuit 35, and the earphone output circuit 35 is provided with an earphone output interface 36.
The radio module 21 includes a sensor input circuit 22, the sensor input circuit 22 is electrically connected to the DSP module 11, and the sensor input circuit 22 is provided with a microphone input interface 23.
The power module 41 comprises a lithium battery unit 43, a charging circuit 42, a 5V booster circuit 45, a 12V booster circuit 44 and a 3.3V regulator circuit 46, wherein the lithium battery unit 43 is electrically connected with the charging circuit 42, the 5V booster circuit 45, the 12V booster circuit 44 and the 3.3V regulator circuit 46.
The 12V boost circuit 44 is electrically connected to the sensor input circuit 22, the 5V boost circuit 45 is electrically connected to the digital-to-analog converter 32 and the control module 12, and the 3.3V regulator circuit 46 is electrically connected to the DSP module 11.
The charging circuit 42 can charge the lithium battery cell 43, and store electric energy using the lithium battery. The lithium battery unit 43 respectively supplies power to the 12V booster circuit 44, the 5V booster circuit 45 and the 3.3V voltage stabilizing circuit 46, and supplies power to the sensor input circuit 22 after the voltage is boosted to 12V by the 12V booster circuit 44; after the voltage is boosted to 5V by the 5V boosting circuit 45, the power is supplied to the digital-to-analog converter 32 and the control module 12; the DSP module 11 is powered by a 3.3V regulator circuit 46.
The embodiment has the following advantages:
receive voice through radio module 21, turn into audio signal with sound and send DSP module 11, handle the back through DSP module 11, with audio signal transmission to output module 31, transmit audio signal to live equipment through output module 31 to the realization is at the function of live in-process through this pickup apparatus radio recording sound.
The key input circuit 13 is provided with a button, and sends a control instruction to the control module 12 by pressing the button, thereby implementing the control of the control module 12. The control module 12 sends a display signal to the display 14, and the display 14 can achieve the effect of convenient operation. The function of man-machine interaction is realized through the key input circuit 13 and the display 14.
Be connected with external USB memory through USB connection module 16 to can write into audio signal in external USB memory through control module 12 control DSP module 11, and then can be quick with the audio frequency store in the USB memory, play the effect of facilitating the use. The control module 12 can also control the DSP module 11 to play the audio data preset in the USB memory, so that the function of playing the accompaniment can be realized by presetting the accompaniment audio data in the USB memory.
Connect with TF card memory through TF card connection module 17 to can write in audio signal into TF card memory through control module 12 control DSP module 11, and then can be quick with the audio frequency store to TF card memory in, play the effect of facilitating the use. The control module 12 can also control the DSP module 11 to play audio data preset in the TF card, so that the function of playing the accompaniment can be realized by presetting accompaniment audio data in the TF card.
Be connected with external bluetooth module through bluetooth link module 15 to can control DSP module 11 through control module 12 and transmit audio signal to external bluetooth module, and then can be quick transmit the audio signal who records through bluetooth link module 15, play the effect that facilitates the use.
When the mobile phone is used for live broadcasting, the mobile phone is connected to the output module 31. This pickup apparatus can read and play the audio data in USB memory and the TF card memory to can be through predetermineeing the accompaniment and the audio effect that need play in USB memory and TF card memory, and will broadcast the audio signal who plays accompaniment and audio effect and pass through output module 31 and transmit to the cell-phone, thereby realize selecting and playing accompaniment and audio effect through this pickup apparatus. Through this pickup apparatus, need not operate on the cell-phone and can play suitable accompaniment and audio, reach the effect of convenient live broadcast, play and improve and listen to effect and entertainment effect, have higher commercial application prospect.
Through changing different audio data in USB memory and TF card memory to can play different accompaniment and audio, thereby can play multiple different accompaniment and audio, can be applicable to different live scenes.
The mobile phone connection port 34 is used for connecting a mobile phone which needs live broadcasting, the DSP module 11 transmits an audio signal to the digital-to-analog converter 32, the audio signal is processed by the digital-to-analog converter 32, the audio signal is transmitted to the mobile phone connection port 34 through the mobile phone live broadcasting connection circuit 33, and the audio signal is transmitted to the mobile phone through the mobile phone connection port 34.
Some musical instruments on the market are internally provided with a pickup, so that the pickup can be electrically connected with the pickup mounted on the musical instrument through a pickup input interface 23, the built-in pickup on the musical instrument is used for collecting audio signals, and the audio signals collected by the pickup are transmitted to the DSP module 11 through the sensor input circuit 22, so that the function of recording sound through the built-in pickup of the musical instrument is realized.
The earphone output interface 36 is used for connecting an earphone, the DSP module 11 transmits the audio signal to the earphone output interface 36 through the earphone output circuit 35, and then transmits the audio signal to the earphone through the earphone output interface 36, so that the earphone can be used for playing the audio signal output by the DSP module 11, and the function of outputting the audio signal is realized. In the live broadcast process, the anchor broadcasts wear the earphones connected with the earphone output interface 36, so that the anchor broadcasts can directly hear the sound output by the pickup system, the anchor broadcasts can conveniently listen in a trial mode, the sound emitted in the trial listening process can be prevented from being recorded again, and the effects of improving the recording effect and facilitating the live broadcast can be achieved.
In conclusion, after the ordinary skilled in the art reads the document of the present invention, according to the present invention, the technical solution and technical concept of the present invention do not need creative mental labor to make other various corresponding transformation schemes, which all belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a musical instrument class musical instrument's live pick up, includes DSP module (11), radio module (21), output module (31) and power module (41), DSP module (11) respectively with radio module (21) and output module (31) electric connection, power module (41) respectively with DSP module (11), radio module (21) and output module (31) electric connection, its characterized in that: still include control module (12), control module (12) electric connection has button input circuit (13), control module (12) and DSP module (11) electric connection, DSP module (11) electric connection has USB connecting module (16), control module (12) electric connection has display (14), DSP module (11) electric connection has TF card connecting module (17), DSP module (11) electric connection has bluetooth connecting module (15).
2. The live tone pick-up device of a musical instrument of claim 1, wherein: output module (31) are including digital-to-analog converter (32) and cell-phone live connecting circuit (33), digital-to-analog converter (32) and DSP module (11) electric connection, cell-phone live connecting circuit (33) and digital-to-analog converter (32) electric connection, cell-phone live connecting circuit (33) is equipped with cell-phone connector (34).
3. The live tone pick-up device of a musical instrument of claim 2, wherein: the radio module (21) comprises a sensor input circuit (22), the sensor input circuit (22) is electrically connected with the DSP module (11), and the sensor input circuit (22) is provided with a pickup input interface (23).
4. The live tone pick-up device of a musical instrument of claim 3, wherein: the power module (41) comprises a lithium battery unit (43), a charging circuit (42), a 5V boosting circuit (45), a 12V boosting circuit (44) and a 3.3V voltage stabilizing circuit (46), wherein the lithium battery unit (43) is electrically connected with the charging circuit (42), the 5V boosting circuit (45), the 12V boosting circuit (44) and the 3.3V voltage stabilizing circuit (46).
5. The live tone pick-up device of a musical instrument of claim 4, wherein: the 12V booster circuit (44) is electrically connected with the sensor input circuit (22), the 5V booster circuit (45) is electrically connected with the digital-to-analog converter (32) and the control module (12) respectively, and the 3.3V voltage stabilizing circuit (46) is electrically connected with the DSP module (11).
6. The live tone pick-up device of a musical instrument of claim 2, wherein: the digital-to-analog converter (32) is electrically connected with an earphone output circuit (35), and the earphone output circuit (35) is provided with an earphone output interface (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922085696.3U CN210381246U (en) | 2019-11-28 | 2019-11-28 | Live telecast pickup device of musical instrument class musical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922085696.3U CN210381246U (en) | 2019-11-28 | 2019-11-28 | Live telecast pickup device of musical instrument class musical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210381246U true CN210381246U (en) | 2020-04-21 |
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ID=70257695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922085696.3U Active CN210381246U (en) | 2019-11-28 | 2019-11-28 | Live telecast pickup device of musical instrument class musical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210381246U (en) |
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2019
- 2019-11-28 CN CN201922085696.3U patent/CN210381246U/en active Active
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