Multifunctional live broadcast call sound console circuit

Abstract

The utility model provides a multifunctional sound console circuit for live broadcast conversation, and relates to the field of sound consoles, the multifunctional sound console circuit comprises a power supply, a sound console, a Bluetooth conversation circuit, a recording and playing circuit and a microphone conditioning circuit, the power supply, the Bluetooth conversation circuit and the microphone conditioning circuit are all electrically connected with the sound console, and the sound console is electrically connected with the sound console. The high-definition audio recording circuit, the high-definition audio playback circuit, the audio digital signal processing circuit and the USB high-speed communication processing circuit are all electrically connected with the high-definition coding and decoding audio circuit. The microphone conditioning circuit is used for GAIN adjustment, EQ adjustment, voltage limit protection and the like of a microphone; the Bluetooth communication circuit is used for connecting a Bluetooth mobile phone for communication and playing music through Bluetooth; the recording and playing circuit is used for being connected with electronic products such as computers, tablet computers and mobile phones and recording sound sources such as microphones and musical instruments back to the computers.

Description

Technical Field

[0001] The present application relates to the field of mixing consoles, and in particular, to a multifunctional mixing console circuit for live calls. Background Art

[0002] Ordinary mixing consoles only have simple microphone singing, recording and playback functions. With the popularization of smart phones, ordinary mixing consoles cannot connect to mobile phones for live broadcasting, which is a lack of functions of ordinary mixing consoles. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a multifunctional mixer circuit for live calls, which can solve the above-mentioned technical problems.

[0004] An embodiment of the present application provides a multifunctional mixing console circuit for live calls, including a power supply, a mixing console, a Bluetooth call circuit, a recording and playback circuit, and a microphone conditioning circuit. The recording and playback circuit includes a high-definition audio recording circuit, a high-definition audio playback circuit, an audio digital signal processing circuit, a high-definition codec audio circuit, and a USB high-speed communication processing circuit. The power supply, the Bluetooth call circuit, and the microphone conditioning circuit are all electrically connected to the mixing console, and the high-definition audio recording circuit, the high-definition audio playback circuit, the audio digital signal processing circuit, and the USB high-speed communication processing circuit are all electrically connected to the high-definition codec audio circuit.

[0005] Preferably, the Bluetooth call circuit includes an MCU U11, and the model of the MCU U11 is BT8922B2.

[0006] Preferably, the microphone conditioning circuit includes a microphone GAIN control circuit, a microphone COMP voltage limiting control circuit, and a microphone EQ conditioning circuit; and the microphone GAIN control circuit, the microphone COMP voltage limiting control circuit, and the microphone EQ conditioning circuit are all electrically connected to the mixing console.

[0007] Preferably, the mixing console is externally connected to a display.

[0008] Preferably, the USB high-speed communication processing circuit includes a processor U4C and a processor U4B.

[0009] Preferably, the audio digital signal processing circuit includes a processor U4A, a processor U4D, and a processor U4E.

[0010] Preferably, the high-definition codec audio circuit includes a processor U2, and the model of the processor U2 is AK4619VN.

[0011] Beneficial effects of the utility model:

[0012] The utility model provides a multifunctional mixer circuit for live calls, comprising a power supply, a mixer, a Bluetooth call circuit, a recording and playback circuit, and a microphone conditioning circuit. The recording and playback circuit comprises a high-definition audio recording circuit, a high-definition audio playback circuit, an audio digital signal processing circuit, a high-definition codec audio circuit, and a USB high-speed communication processing circuit. The power supply, the Bluetooth call circuit, and the microphone conditioning circuit are all electrically connected to the mixer. The high-definition audio recording circuit, the high-definition audio playback circuit, the audio digital signal processing circuit, and the USB high-speed communication processing circuit are all electrically connected to the high-definition codec audio circuit. The microphone conditioning circuit of the utility model is used for microphone GAIN adjustment, EQ adjustment, voltage limiting protection, etc. The Bluetooth call circuit is used for connecting a Bluetooth mobile phone for calls and playing music with Bluetooth; the recording and playback circuit is used for connecting electronic products such as computers, tablets, and mobile phones to record sound sources such as microphones and musical instruments back to the computer. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is the audio digital signal processing circuit diagram of the utility model;

[0015] Figure 2 This is a USB high-speed communication processing circuit diagram of the utility model;

[0016] Figure 3 This is a high-definition codec audio circuit diagram of the utility model;

[0017] Figure 4 This is a high-definition audio playback circuit diagram of the utility model;

[0018] Figure 5 This is the high-definition audio recording circuit diagram of the utility model;

[0019] Figure 6 This is the Bluetooth call circuit diagram of the utility model;

[0020] Figure 7 This is the microphone COMP pressure limit control circuit diagram of the utility model

[0021] Figure 8 This is a microphone EQ conditioning circuit diagram of the utility model;

[0022] Fig. 9This is a microphone GAIN control circuit diagram of the utility model. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0025] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0026] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0027] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0028] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0029] like Figure 1-9 As shown, a multifunctional mixer circuit for live calls includes a power supply, a mixer, a Bluetooth call circuit, a recording and playback circuit, and a microphone conditioning circuit. The recording and playback circuit includes a high-definition audio recording circuit, a high-definition audio playback circuit, an audio digital signal processing circuit, a high-definition codec audio circuit, and a USB high-speed communication processing circuit. The power supply, the Bluetooth call circuit, and the microphone conditioning circuit are all electrically connected to the mixer. The high-definition audio recording circuit, the high-definition audio playback circuit, the audio digital signal processing circuit, and the USB high-speed communication processing circuit are all electrically connected to the high-definition codec audio circuit. The microphone conditioning circuit of the utility model is used for microphone GAIN adjustment, EQ adjustment, voltage limiting protection, etc. The Bluetooth call circuit is used to connect to a Bluetooth mobile phone for calls and play music with Bluetooth; the recording and playback circuit is used to connect to electronic products such as computers, tablets, and mobile phones to record sound sources such as microphones and musical instruments back to the computer.

[0030] like Figure 6 As shown, in this embodiment, the Bluetooth call circuit includes an MCU U11, and the model of the MCU U11 is BT8922B2.

[0031] like Figure 1 , 8 As shown in Figure 9, in this embodiment, the microphone conditioning circuit includes a microphone GAIN control circuit, a microphone COMP voltage limit control circuit, and a microphone EQ conditioning circuit. The microphone GAIN control circuit, the microphone COMP voltage limit control circuit, and the microphone EQ conditioning circuit are all electrically connected to the mixing console.

[0032] In this embodiment, the mixing console is externally connected to a display, and the display of the utility model can be used to display audio information, recording information, etc.

[0033] like Figure 2 As shown, in this embodiment, the USB high-speed communication processing circuit includes a processor U4C and a processor U4B. The USB high-speed communication processing circuit of the utility model is used to process the audio signal input through the USB at high speed.

[0034] like Figure 1 As shown, in this embodiment, the audio digital signal processing circuit includes a processor U4A, a processor U4D, and a processor U4E. The audio digital signal processing circuit of the present invention can process signals through multiple processors.

[0035] like Figure 3 As shown, in this embodiment, the high-definition codec audio circuit includes a processor U2, and the model of the processor U2 is AK4619VN.

[0036] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A multifunctional mixer circuit for live calls, characterized in that: It includes a power supply, a mixing console, a Bluetooth call circuit, a recording and playback circuit, and a microphone conditioning circuit. The recording and playback circuit includes a high-definition audio recording circuit, a high-definition audio playback circuit, an audio digital signal processing circuit, a high-definition codec audio circuit, and a USB high-speed communication processing circuit. The power supply, the Bluetooth call circuit, and the microphone conditioning circuit are all electrically connected to the mixing console. The high-definition audio recording circuit, the high-definition audio playback circuit, the audio digital signal processing circuit, and the USB high-speed communication processing circuit are all electrically connected to the high-definition codec audio circuit.

2. The multifunctional mixer circuit for live calls according to claim 1, characterized in that: The Bluetooth call circuit includes an MCU U11, and the model of the MCU U11 is BT8922B2.

3. The multifunctional mixer circuit for live calls according to claim 1, characterized in that: The microphone conditioning circuit includes a microphone GAIN control circuit, a microphone COMP voltage limiting control circuit, and a microphone EQ conditioning circuit. The microphone GAIN control circuit, the microphone COMP voltage limiting control circuit, and the microphone EQ conditioning circuit are all electrically connected to the mixing console.

4. The multifunctional mixer circuit for live calls according to claim 1, characterized in that: The mixing console is externally connected to a display.

5. The multifunctional mixer circuit for live calls according to claim 1, characterized in that: The USB high-speed communication processing circuit includes a processor U4C and a processor U4B.

6. The multifunctional mixer circuit for live calls according to claim 1, characterized in that: The audio digital signal processing circuit includes a processor U4A, a processor U4D, and a processor U4E.

7. The multifunctional mixer circuit for live calls according to claim 1, characterized in that: The high-definition codec audio circuit includes a processor U2, and the model of the processor U2 is AK4619VN.

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