Audio playing and digital effect processing circuit of sound console

Abstract

The utility model discloses an audio playing and digital effect processing circuit of a sound console, which comprises a digital effect processing module, a Bluetooth and MP3 (Moving Picture Experts Group Audio Layer-3) module, an input module and an output module, the digital effect processing module generates a processing signal according to an input signal; the output module is connected with the digital effect processing module, and the output module is used for generating an output signal according to the processing signal; and the Bluetooth and MP3 module is connected with the digital effect processing module. According to the utility model, audio effect processing, Bluetooth and MP3 playing functions are integrated into one module, so that function multiplexing is realized, and the utilization rate of the module is improved; a user does not need to purchase a plurality of functional modules, multiple functions can be realized, the equipment configuration is simplified, the space is saved, and a new product with Bluetooth, MP3 playing and audio effect processing functions can be quickly developed.

Description

Technical Field

[0001] The utility model belongs to the technical field of audio playback, and in particular relates to an audio playback and digital effect processing circuit of a mixing console. Background Art

[0002] With the continuous advancement of technology, people's demands for the functionality and user experience of audio playback devices are becoming increasingly demanding. Traditional audio playback devices are typically limited to single functions, such as MP3 music playback or simple audio effects processing, and fail to meet the diverse needs of users. To achieve richer functionality, users need to purchase and connect multiple functional modules, such as Bluetooth modules, MP3 playback modules, and audio effects processing modules. This results in larger products, higher costs, complex operation, and a poor user experience.

[0003] Audio playback devices in the prior art often have the following problems: Single-function audio playback devices: There are many single-function audio playback devices on the market, such as players that can only play MP3 music, mixers that can only perform simple audio effect processing, etc. These devices have single functions and cannot meet the diverse needs of users. Functional module separation design: In order to achieve richer functions, some devices adopt a functional module separation design to separate the Bluetooth module, MP3 playback module, audio effect processing module, etc., and users can select and connect the corresponding modules as needed. However, this design leads to an increase in product size, increased cost, complicated operation, and poor user experience. Integrated design: Some devices adopt an integrated design to integrate multiple functional modules into one device, such as Bluetooth speakers, smart speakers, etc. However, the audio effect processing functions of these devices are usually relatively simple and cannot meet the needs of professional users.

[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as an admission or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. Utility Model Content

[0005] The purpose of the utility model is to provide an audio playback and digital effect processing circuit for a mixing console, which can solve the technical problems of existing audio playback equipment such as single function, large size and high production cost.

[0006] In order to achieve the above-mentioned purpose, a specific embodiment of the present invention provides an audio playback and digital effect processing circuit for a mixing console, including a digital effect processing module, a Bluetooth and MP3 module, an input module and an output module, wherein:

[0007] The input module is connected to the digital effect processing module, the input module is used to input an input signal, and the digital effect processing module generates a processing signal according to the input signal;

[0008] The output module is connected to the digital effect processing module, and the output module is used to generate an output signal according to the processed signal;

[0009] The Bluetooth and MP3 modules are connected to the digital effect processing module.

[0010] In one or more embodiments of the present invention, the audio playback and digital effect processing circuit of the mixing console also includes a key module, wherein the key module is connected to the digital effect processing module, and the key module is used to control the audio playback and digital effect processing circuit of the mixing console.

[0011] In one or more embodiments of the present invention, the audio playback and digital effect processing circuit of the mixing console further includes an encoder, wherein the encoder is connected to the digital effect processing module, and the encoder is used to connect to an external device.

[0012] In one or more embodiments of the present invention, the audio playback and digital effect processing circuit of the mixing console further includes a display screen, wherein the display screen is connected to the digital effect processing module, and the display screen is used to display current playback information.

[0013] In one or more embodiments of the present invention, the digital effect processing module includes a core processing chip, and the model of the core processing chip is ADAU1902C.

[0014] In one or more embodiments of the present invention, the Bluetooth and MP3 module includes a Bluetooth chip, and the model of the Bluetooth chip is ATS2819.

[0015] In one or more embodiments of the present invention, the key module includes volume plus and minus buttons, a play / pause button, a previous song / next song button, and a setting button for entering a setting menu.

[0016] In one or more embodiments of the present invention, the external device includes a speaker and / or earphones.

[0017] Compared with the prior art, the audio playback and digital effect processing circuit of the mixing console of the present invention has the following beneficial effects:

[0018] This utility model integrates audio effect processing, Bluetooth and MP3 playback functions into one module, realizing functional reuse and improving module utilization. Users can realize multiple functions without having to purchase multiple functional modules, simplifying device configuration and saving space.

[0019] This utility model provides a simple operation interface, which is convenient for users to use. Users can easily control the volume, switch songs, select the play mode, adjust the audio effect, etc. through simple button operations.

[0020] The modular design of this utility model facilitates integration into different products and shortens development time. Manufacturers do not need to redesign the audio function module. They can simply integrate the module provided by this invention into the product and quickly launch a new product with Bluetooth, MP3 playback and audio effect processing functions.

[0021] The integrated design of this utility model reduces the number of components and reduces costs. Manufacturers do not need to purchase multiple functional modules, but only need to purchase the modules provided by this experimental primary school, thus reducing product costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only some of the embodiments described in the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive efforts.

[0023] Figure 1 This is a structural diagram of the audio playback and digital effect processing circuit of the mixing console in one embodiment of the present invention;

[0024] Figure 2 This is a circuit diagram of a digital effect processing module in one embodiment of the present invention;

[0025] Figure 3 This is a circuit diagram of a Bluetooth and MP3 module in one embodiment of the present invention;

[0026] Figure 4 This is a circuit diagram of a key module in one embodiment of the present utility model;

[0027] Figure 5 This is a circuit diagram of an encoder in one embodiment of the present utility model;

[0028] Figure 6 This is a circuit diagram of a display screen in one embodiment of the present invention. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the following will provide a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only a portion of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work should fall within the scope of protection of the present invention.

[0030] The terms "coupled," "connected," or "connected" as used in this specification encompass both direct and indirect connections. An indirect connection is a connection made through an intermediate medium, such as an electrically conductive medium, which may have parasitic inductance or capacitance. An indirect connection may also include a connection through other active or passive devices to achieve the same or similar functional purpose, such as a connection through circuits or components such as switches and follower circuits. Furthermore, in this utility model, terms such as "first" and "second" are primarily used to distinguish one technical feature from another and do not necessarily require or imply a specific relationship, quantity, or order between these technical features.

[0031] like Figure 1 As shown, an audio playback and digital effect processing circuit of a mixing console in one embodiment of the present invention includes a digital effect processing module 10, a Bluetooth and MP3 module 20, an input module 60 and an output module 70, wherein the input module 60 is connected to the digital effect processing module 10, the input module 60 is used to input an input signal, and the digital effect processing module 10 generates a processed signal according to the input signal; the output module 70 is connected to the digital effect processing module 10, the output module 70 is used to generate an output signal according to the processed signal; the Bluetooth and MP3 module 20 is connected to the digital effect processing module 10.

[0032] like Figure 2 As shown in FIG, a circuit diagram of the digital effect processing module of the present invention is shown. The digital effect processing module 10 includes a core processing chip and other peripheral circuits. The core processing chip model is ADAU1902C, which supports multiple digital audio interfaces, such as I2S, SPI, etc., which is convenient for connection with other devices.

[0033] like Figure 3 As shown in FIG, the circuit diagram of the Bluetooth and MP3 module of the present invention is shown. The Bluetooth and MP3 module 20 includes a Bluetooth chip. The model of the Bluetooth chip is ATS2819, which supports A2DP and AVRCP protocols, making it convenient to play and control music.

[0034] like Figure 4As shown in the figure, it is a circuit diagram of the key module of the present invention. The audio playback and digital effect processing circuit of the mixing console also includes a key module 30, wherein the key module 30 is connected to the digital effect processing module 10. The key module 30 is used to control the audio playback and digital effect processing circuit of the mixing console. The key module 30 includes a volume increase and decrease button, a play / pause button, a previous song / next song button and a setting button for entering the setting menu.

[0035] like Figure 5 , which is a circuit diagram of the encoder of the present invention, the encoder 40 is connected to the digital effect processing module 10, and the encoder 40 is used to connect to external devices, including speakers and / or headphones.

[0036] like Figure 6 , which is a circuit diagram of the display screen of the present invention, the display screen 50 is connected to the digital effect processing module 10, and the display screen 50 is used to display the current playing information.

[0037] Workflow: The input module 60 receives audio signals from external devices, and the digital effect processing module 10 processes the audio signals, such as volume adjustment, equalization, reverberation, delay and other effects; the processed audio signals are output to devices such as speakers or headphones through the output module 70. The user controls audio playback, volume adjustment, song switching and other functions through the button module 30. The encoder 40 can connect to external devices to expand control functions, and the display screen 50 displays the current playback information.

[0038] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0039] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. An audio playback and digital effect processing circuit for a mixing console, characterized in that: It includes digital effect processing module, Bluetooth and MP3 module, input module and output module, among which: The input module is connected to the digital effect processing module, the input module is used to input an input signal, and the digital effect processing module generates a processing signal according to the input signal; The output module is connected to the digital effect processing module, and the output module is used to generate an output signal according to the processed signal; The Bluetooth and MP3 modules are connected to the digital effect processing module.

2. The audio playback and digital effect processing circuit of a mixing console according to claim 1, characterized in that: The audio playback and digital effect processing circuit of the mixing console further includes a key module, wherein the key module is connected to the digital effect processing module, and the key module is used to control the audio playback and digital effect processing circuit of the mixing console.

3. The audio playback and digital effect processing circuit of a mixing console according to claim 1, characterized in that: The audio playback and digital effect processing circuit of the mixing console further includes an encoder, wherein the encoder is connected to the digital effect processing module and is used to connect to external equipment.

4. The audio playback and digital effect processing circuit of a mixing console according to claim 1, characterized in that: The audio playback and digital effect processing circuit of the mixing console further includes a display screen, wherein the display screen is connected to the digital effect processing module, and the display screen is used to display current playback information.

5. The audio playback and digital effect processing circuit of a mixing console according to claim 1, characterized in that: The digital effect processing module includes a core processing chip, and the model of the core processing chip is ADAU1902C.

6. The audio playback and digital effect processing circuit of a mixing console according to claim 1, characterized in that: The Bluetooth and MP3 module includes a Bluetooth chip, and the model of the Bluetooth chip is ATS2819.

7. The audio playback and digital effect processing circuit of a mixing console according to claim 2, characterized in that: The key module includes volume up and down buttons, play / pause button, previous song / next song button and setting button, which is used to enter the setting menu.

8. The audio playback and digital effect processing circuit of a mixing console according to claim 3, characterized in that: The external device includes a speaker and / or an earphone.

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