CN220511121U - Multifunctional K song live broadcast sound console - Google Patents
Multifunctional K song live broadcast sound console Download PDFInfo
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- CN220511121U CN220511121U CN202321462810.XU CN202321462810U CN220511121U CN 220511121 U CN220511121 U CN 220511121U CN 202321462810 U CN202321462810 U CN 202321462810U CN 220511121 U CN220511121 U CN 220511121U
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Abstract
The utility model discloses a multifunctional K song live broadcast sound console, which relates to the field of electronic products, and comprises: the audio input module is used for introducing audio signals, processing the audio signals and outputting the processed audio signals to the audio output module; the audio output module is used for outputting audio signals through three ports; the three ports of the audio output module are a first OTG digital port, a second OTG digital port and a 3.5 analog port respectively; the audio input module is connected with the audio output module; compared with the prior art, the utility model has the beneficial effects that: the utility model is provided with 3 channels (a first OTG digital port, a second OTG digital port and a 3.5 analog port), and can be matched with more electronic musical instruments to carry out live broadcast when being used by a terminal customer, thereby meeting the use requirements of users.
Description
Technical Field
The utility model relates to the field of electronic products, in particular to a multifunctional K song live broadcast sound console.
Background
At present, single-channel USB2.0 adopted by sound mixing console in the market is relatively more, and along with the development of the market, matched electronic products of terminal clients are many, for example, mobile phones, tablet computers, notebook computers and the like, and the single-channel USB2.0 sound mixing console cannot meet the requirement that clients use so many products to record, play, live broadcast and the like at the same time, so that the problem needs to be solved.
Disclosure of Invention
The utility model aims to provide a multifunctional K-song live broadcast sound console so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a multi-functional K song live tuning console comprising:
the audio input module is used for introducing audio signals, processing the audio signals and outputting the processed audio signals to the audio output module;
the audio output module is used for outputting audio signals through three ports;
the three ports of the audio output module are a first OTG digital port, a second OTG digital port and a 3.5 analog port respectively;
the audio input module is connected with the audio output module.
As still further aspects of the utility model: 3.5 analog ports include:
a signal follower circuit for outputting an input audio signal to the signal output circuit;
the signal output circuit is used for outputting the audio signal through the earphone port;
the signal follower circuit is connected with the signal output circuit.
As still further aspects of the utility model: the signal follower circuit comprises an amplifier U23A and an amplifier U23B, wherein the in-phase end of the amplifier U23B is connected with one end of a resistor R256, the other end of the resistor R256 is connected with the sliding end of a potentiometer VR5B, one end of the potentiometer VR5B is grounded, the other end of the potentiometer VR5B is connected with an input audio signal through a capacitor, the inverting end of the amplifier U23B is connected with the output end of the amplifier U23B and one end of a resistor R257, the other end of the resistor R257 is connected with one end of a capacitor C215 and one end of the resistor R256, the other end of the capacitor C215 is connected with the fourth end of an interface JK3, the second end and the third end of the interface JK3 are respectively connected with the signal output circuit through a capacitor C214 and a capacitor C213, the in-phase end of the amplifier U23A is connected with one end of a resistor R294, the other end of the resistor R294 is connected with the sliding end of the potentiometer VR5A, one end of the potentiometer VR5A is grounded, and the other end of the potentiometer VR5A is connected with the input audio signal through a capacitor.
As still further aspects of the utility model: the signal output circuit comprises an amplifier U6A and an amplifier U6B, wherein the inverting terminal of the amplifier U6A is connected with one end of a resistor R261, one end of a resistor R264 and one end of a capacitor C195, the other end of the resistor R261 is connected with the signal follower circuit, the non-inverting terminal of the amplifier U6A is grounded, and the output terminal of the amplifier U6A is connected with the other end of the resistor R264, the other end of the capacitor C195 and an earphone port;
the inverting terminal of the amplifier U6B is connected with one end of the resistor R263, one end of the resistor R265 and one end of the capacitor C196, the other end of the resistor R263 is connected with the signal follower circuit, the in-phase terminal of the amplifier U6B is grounded, and the output terminal of the amplifier U6B is connected with the other end of the resistor R265, the other end of the capacitor C196 and the earphone port.
As still further aspects of the utility model: the first OTG digital port and the second OTG digital port have the same structure, the first OTG digital port comprises an interface USB3 and an audio chip U26, the model of the interface USB3 is JACK-USB-C, the model of the audio signal U26 is CM118B, a pin B7 of the interface USB3 is connected with a pin 44 of the audio chip U26 through a resistor R275, a pin A6 of the interface USB3 is connected with a pin 43 of the audio chip U26 through a resistor R274, a pin 31 of the audio chip U26 outputs the audio signal through a resistor R304, a pin 29 of the audio chip U26 outputs the audio signal through a resistor R305, a pin 27 of the audio chip U26 sequentially outputs the audio signal through a capacitor C191 and a resistor R300, and a pin 25 of the audio chip U26 sequentially outputs the audio signal through a capacitor C190 and a resistor R299.
Compared with the prior art, the utility model has the beneficial effects that: the utility model is provided with 3 channels (a first OTG digital port, a second OTG digital port and a 3.5 analog port), and can be matched with more electronic musical instruments to carry out live broadcast when being used by a terminal customer, thereby meeting the use requirements of users.
Drawings
Fig. 1 is a schematic diagram of a multifunctional K song direct broadcast mixing console.
Fig. 2 is a circuit diagram of a signal follower circuit.
Fig. 3 is a circuit diagram of the signal output circuit.
Fig. 4 is a circuit diagram of a first OTG digital port.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
Referring to fig. 1, a multi-functional K song live audio console includes:
the audio input module is used for introducing audio signals, processing the audio signals and outputting the processed audio signals to the audio output module;
the audio output module is used for outputting audio signals through three ports;
the three ports of the audio output module are a first OTG digital port, a second OTG digital port and a 3.5 analog port respectively;
the audio input module is connected with the audio output module.
In a specific embodiment, referring to fig. 1, the audio input module performs noise cancellation, evasion, and other processing on the microphone or other musical instrument input signals through the DSP3768 chip, and amplifies the audio signals through the operational amplifier to supply the audio output module.
In this embodiment: please refer to fig. 1,3.5, the analog port includes:
a signal follower circuit for outputting an input audio signal to the signal output circuit;
the signal output circuit is used for outputting the audio signal through the earphone port;
the signal follower circuit is connected with the signal output circuit.
The 3.5 analog port is connected with the mobile phone input signal to the sound card, and after passing through the earphone amplifier, the signal is output by the earphone port, so that the effect of direct broadcasting is achieved, and the port can be connected with various musical instruments such as an electric guitar, an electric organ, a sound drum and the like.
In this embodiment: referring to fig. 2, the signal follower circuit includes an amplifier U23A and an amplifier U23B, wherein the in-phase end of the amplifier U23B is connected to one end of a resistor R256, the other end of the resistor R256 is connected to the sliding end of a potentiometer VR5B, one end of the potentiometer VR5B is grounded, the other end of the potentiometer VR5B is connected to an input audio signal through a capacitor, the inverting end of the amplifier U23B is connected to an output end of the amplifier U23B and one end of a resistor R257, the other end of the resistor R257 is connected to one end of a capacitor C215 and one end of the resistor R256, the other end of the capacitor C215 is connected to a fourth end of an interface JK3, the second end and the third end of the interface JK3 are respectively connected to the signal output circuit through a capacitor C214 and a capacitor C213, the in-phase end of the amplifier U23A is connected to one end of the resistor R294, the other end of the potentiometer VR5A is grounded, and the other end of the potentiometer VR5A is connected to the input audio signal through a capacitor.
The input audio signal is output to the interface JK3 via the amplifier U23A, U B (used herein as a follower) and is output to the signal output circuit via the interface JK 3.
In this embodiment: referring to fig. 3, the signal output circuit includes an amplifier U6A and an amplifier U6B, wherein an inverting terminal of the amplifier U6A is connected to one end of a resistor R261, one end of a resistor R264 and one end of a capacitor C195, the other end of the resistor R261 is connected to the signal follower circuit, the same-phase terminal of the amplifier U6A is grounded, and an output terminal of the amplifier U6A is connected to the other end of the resistor R264, the other end of the capacitor C195 and the earphone port;
the inverting terminal of the amplifier U6B is connected with one end of the resistor R263, one end of the resistor R265 and one end of the capacitor C196, the other end of the resistor R263 is connected with the signal follower circuit, the in-phase terminal of the amplifier U6B is grounded, and the output terminal of the amplifier U6B is connected with the other end of the resistor R265, the other end of the capacitor C196 and the earphone port.
The input audio signals are output to the left and right ports of the earphone after passing through the amplifier U6A, U B and the peripheral circuit.
In this embodiment: referring to fig. 4, the first OTG digital port and the second OTG digital port have the same structure, the first OTG digital port includes an interface USB3 and an audio chip U26, the type of the interface USB3 is JACK-USB-C, the type of the audio signal U26 is CM118B, the pin B7 of the interface USB3 is connected with the pin 44 of the audio chip U26 through a resistor R275, the pin A6 of the interface USB3 is connected with the pin 43 of the audio chip U26 through a resistor R274, the pin 31 of the audio chip U26 outputs the audio signal through a resistor R304, the pin 29 of the audio chip U26 outputs the audio signal through a resistor R305, the pin 27 of the audio chip U26 sequentially outputs the audio signal through a capacitor C191 and a resistor R300, and the pin 25 of the audio chip U26 sequentially outputs the audio signal through a capacitor C190 and a resistor R299.
The USB signal (in-situ audio signal) is transmitted to the audio chip U26 through the interface USB3, and the audio chip U26 is used for the USB type signal and the audio signal to be mutually converted, so that the audio signal output is finally obtained. Therefore, the sound console comprises three audio ports, namely a first OTG digital port, a second OTG digital port and a 3.5 analog port, so that the purposes of simultaneously using so many products for recording, playing and live broadcasting are met.
The working principle of the utility model is as follows: the audio input module introduces audio signals, processes the audio signals and outputs the processed audio signals to the audio output module; the audio output module outputs audio signals through three ports.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. A multi-functional K song live tuning console comprising:
the audio input module is used for introducing audio signals, processing the audio signals and outputting the processed audio signals to the audio output module;
the method is characterized in that: this multi-functional K sings live tuning platform still includes:
the audio output module is used for outputting audio signals through three ports;
the three ports of the audio output module are a first OTG digital port, a second OTG digital port and a 3.5 analog port respectively;
the audio input module is connected with the audio output module.
2. The multi-function K song direct broadcast audio mixing console of claim 1, wherein the 3.5 analog port comprises:
a signal follower circuit for outputting an input audio signal to the signal output circuit;
the signal output circuit is used for outputting the audio signal through the earphone port;
the signal follower circuit is connected with the signal output circuit.
3. The multifunctional K song direct broadcast audio mixing console according to claim 2, wherein the signal following circuit comprises an amplifier U23A and an amplifier U23B, the in-phase end of the amplifier U23B is connected with one end of a resistor R256, the other end of the resistor R256 is connected with a sliding end of a potentiometer VR5B, one end of the potentiometer VR5B is grounded, the other end of the potentiometer VR5B is connected with an input audio signal through a capacitor, the inverting end of the amplifier U23B is connected with the output end of the amplifier U23B and one end of a resistor R257, the other end of the resistor R257 is connected with one end of a capacitor C215 and one end of a resistor R256, the other end of the resistor C215 is connected with a fourth end of a connector JK3, the second end and the third end of the connector JK3 are respectively connected with the signal output circuit through a capacitor C214 and a capacitor C213, the in-phase end of the amplifier U23A is connected with one end of a resistor R294, the other end of the potentiometer VR5A is grounded, the other end of the potentiometer VR5A is connected with the input audio signal through a capacitor, and the other end of the amplifier U23A is connected with the inverting end of the amplifier U23A.
4. A multifunctional K song direct broadcast sound console according to claim 2 or 3, wherein the signal output circuit comprises an amplifier U6A and an amplifier U6B, the inverting terminal of the amplifier U6A is connected with one end of a resistor R261, one end of a resistor R264 and one end of a capacitor C195, the other end of the resistor R261 is connected with the signal follower circuit, the non-inverting terminal of the amplifier U6A is grounded, and the output terminal of the amplifier U6A is connected with the other end of the resistor R264, the other end of the capacitor C195 and an earphone port;
the inverting terminal of the amplifier U6B is connected with one end of the resistor R263, one end of the resistor R265 and one end of the capacitor C196, the other end of the resistor R263 is connected with the signal follower circuit, the in-phase terminal of the amplifier U6B is grounded, and the output terminal of the amplifier U6B is connected with the other end of the resistor R265, the other end of the capacitor C196 and the earphone port.
5. The multifunctional K song live broadcast sound console according to claim 1, wherein the first OTG digital port and the second OTG digital port have the same structure, the first OTG digital port comprises an interface USB3 and an audio chip U26, the interface USB3 is a JACK-USB-C, the audio signal U26 is a CM118B, a B7 pin of the interface USB3 is connected with a 44 pin of the audio chip U26 through a resistor R275, an A6 pin of the interface USB3 is connected with a 43 pin of the audio chip U26 through a resistor R274, a 31 pin of the audio chip U26 outputs the audio signal through a resistor R304, a 29 pin of the audio chip U26 outputs the audio signal through a resistor R305, a 27 pin of the audio chip U26 sequentially outputs the audio signal through a capacitor C191 and a resistor R300, and a 25 pin of the audio chip U26 sequentially outputs the audio signal through a capacitor C190 and a resistor R299.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321462810.XU CN220511121U (en) | 2023-06-08 | 2023-06-08 | Multifunctional K song live broadcast sound console |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321462810.XU CN220511121U (en) | 2023-06-08 | 2023-06-08 | Multifunctional K song live broadcast sound console |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220511121U true CN220511121U (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321462810.XU Active CN220511121U (en) | 2023-06-08 | 2023-06-08 | Multifunctional K song live broadcast sound console |
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| Country | Link |
|---|---|
| CN (1) | CN220511121U (en) |
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2023
- 2023-06-08 CN CN202321462810.XU patent/CN220511121U/en active Active
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