Musical instrument sound effect processing system with bypass control function

Abstract

The utility model discloses a musical instrument sound effect processing system with a bypass control function, which comprises a sound effect processing control module, the sound effect processing control module processes and gains audio input signals and then outputs the audio input signals, and the sound effect processing control module is connected with a power supply module, a data transmission module and a bypass control module. The power supply module is used for inputting constant voltage and current and supplying power to the sound effect processing control module, the data transmission module and the bypass control module; the data transmission module is used for receiving and transmitting the audio signal by the sound effect processing control module and realizing wired and wireless transmission; and the bypass control module is used for man-machine interaction of the sound effect processing control module. According to the utility model, the sound pick-up is improved, so that the sound pick-up has a bypass function, and the bypass control module is additionally arranged on the musical instrument, so that a musical instrument operator can quickly regulate and control the timbre and the sound effect during playing, the sound pick-up can be used in a diversified manner, and the playing and experience effects are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of playing stringed instruments, and particularly relates to a musical instrument sound effect processing system with a bypass control function. Background Technique

[0002] The sound emitted by pickups of stringed instruments such as guitars and violins is to convert the vibration signal of the strings into an electrical signal through a piezoelectric or coil pickup, and then drive the speaker to emit sound. The control method of this method is single, only solving the amplification of the instrument sound, and unable to adjust the timbre and sound effect during performance. It is necessary to set up another control device to improve and beautify the timbre of the instrument. Moreover, when the instrument operator is performing, it is also necessary to set up a special person to operate, or free up a hand to operate and adjust, which is inconvenient to use and not conducive to instrument performance. Content of the Utility Model

[0003] The utility model aims to provide a musical instrument sound effect processing system with a bypass control function.

[0004] The utility model is realized through the following technical solutions: including a sound effect processing control module, which processes and amplifies the audio input signal and then outputs it. The sound effect processing control module is connected to a power supply module, a data transmission module, and a bypass control module. The power supply module is used to input a constant voltage and current to supply a stable constant voltage power supply for the sound effect processing control module, the data transmission module, and the bypass control module;

[0005] The data transmission module is used for the sound effect processing control module to receive and transmit audio signals, and realizes wired and wireless transmission;

[0006] The bypass control module is used for the human-computer interaction of the sound effect processing control module.

[0007] The beneficial effects of the utility model are:

[0008] 1. By improving the pickup to make it have a bypass function, a bypass control module is installed on the instrument, enabling the instrument operator to adjust the timbre and sound effect during performance; at the same time, by setting an internal battery module, the charging of the power supply module can be realized;

[0009] 2. The data transmission module realizes the functions of wired and wireless transmission, and also realizes the free switching of multiple control methods, that is, the instrument operator can control online through a self-developed mobile phone APP, pedal control, or quickly adjust and control the sound effect and audio by operating the bypass control module;

[0010] 3. The function mode is switched by turning the power supply on and off. When the power supply is turned off, it enters the direct-through function mode. When the power supply is turned on, it enters the bypass function mode working state. It adopts two sets of output circuits, one for the conventional guitar signal and the other for the guitar signal of the high-gain effect pedal with variable gain. The combination of the two signals, after being processed by the sound effect processing control module, can significantly improve the final output effect of the guitar.

[0011] 4. It has input and output, accompaniment, reverb, audio high and low adjustment, and delay digital effects, making the single operation have a pleasant sound and obvious wet sound effect in the vibration-added state, making the sound effect system more rich.

[0012] 5. The USB interface and / or Type-C interface can externally connect audio and dock live broadcast devices. The OTG function ensures the stability and speed of data information transmission quality, enables network live performance, can be used diversely, and improves the performance and experience effect. Brief Description of the Drawings

[0013] Figure 1 It is a circuit structure schematic diagram of the present utility model;

[0014] Figure 2 It is a circuit structure schematic diagram of the sound effect processing control module;

[0015] Figure 3 It is a circuit structure schematic diagram of the data transmission module;

[0016] Figure 4 It is a circuit structure schematic diagram of the power supply module;

[0017] Figure 5 It is a circuit structure schematic diagram of the bypass control module;

[0018] Figure 6 It is a principle block diagram of the present utility model. Detailed Embodiment

[0019] In order to enable those skilled in the art of this technical field to better understand the technical solution of the present utility model, the following will describe its detailed embodiment in conjunction with the accompanying drawings.

[0020] As Figures 1 to 6 shown in the musical instrument sound effect processing system with bypass control function, it includes a sound effect processing control module. The sound effect processing control module processes and amplifies the audio input signal and then outputs it. The sound effect processing control module is connected to the power supply module, data transmission module, and bypass control module. The power supply module is used to input a constant voltage and current to supply a stable constant voltage power supply for the sound effect processing control module, data transmission module, and bypass control module;

[0021] The data transmission module is used for receiving and transmitting audio signals by the sound effect processing control module, and realizes wired and wireless transmissions. The wireless transmission is Bluetooth technology. The instrument operator can select to use the wireless or wired transmission control mode according to needs. When the wireless transmission control mode is selected, it can be connected to mobile device terminals such as mobile phones and tablets via Bluetooth, and then operate through the programs preset on the mobile device terminals such as mobile phones and tablets.

[0022] The bypass control module is used for the human-computer interaction of the sound effect processing control module.

[0023] The sound effect processing control module is a DSP chip, which processes the received audio signals. The 11th pin of the DSP chip is for signal transmission, and the pre-processed high-gain and overloaded guitar signals are input into the DSP for processing. The 13th pin is connected to the guitar signal input. The 17th and 18th pins are for signal output. The 2nd pin is connected to the data transmission module. And the 19th and 20th pins of the DSP chip are connected to the earphone interface, and the 21st pin is connected to the tuner.

[0024] The sound effect processing control module and the data transmission module are connected by a multi-channel communication control circuit.

[0025] On the power supply module, there are a USB hub chip and a charging IC (U5) connected in sequence to convert alternating current into direct current and charge the storage battery. The power supply module has a built-in 3.5V storage battery, and the storage battery is connected to a boost IC (U6) which can boost the voltage to 5V, converting it into a voltage suitable for driving the sound effect processing control module, the data transmission module, and the bypass control module.

[0026] The USB hub chip is connected to a USB interface and / or a Type-C interface to realize the input, output, and power input of data signals, optimize the number of interfaces and adaptability, and realize multi-functional use of one interface. The charging IC (U5) realizes the conversion of AC to DC. One end of the boost IC (U6) is respectively connected to the storage battery and the switch, used for controlling the input and output states of voltage and current. The storage battery is an internal battery and is equipped with a charging indicator light, making charging more convenient and intuitive, and effectively controlling the power input and output states.

[0027] The bypass control module is equipped with a control panel, and bypass function buttons are set on the control panel. The instrument operator can adjust and control the sound effects while playing on the instrument through the bypass function buttons, realizing the human-computer interaction with the sound effect processing control module. The bypass control module is connected to a guitar, a pickup tailpin, a pickup coil / pickup bar, and a drive circuit.

[0028] The described data transmission module is used for signal analog conversion input and output, and is composed of a DSP chip and a Bluetooth chip. The model of the DSP chip is ADAU1761, and the model of the Bluetooth chip is BP1048. The data transmission module is provided with a USB interface and / or a Type-C interface, a driving circuit, a coordinator, an antenna receiver, and an APP Bluetooth communication module. By downloading the APP on other mobile terminals such as mobile phones or tablets and establishing a communication connection with the APP Bluetooth communication module, or through a handheld controller (remote control board), the control and adjustment of the DSP processor can be realized. Through the APP of other mobile terminals such as mobile phones or tablets, the microphone output volume of the guitar and the output volume of the guitar can be controlled, and the guitar can be tuned, the sound effect can be adjusted, and the equalizer can be set through the APP. The mobile phone or tablet is connected to the pickup through the USB interface and / or the Type-C interface, and the audio of playing the guitar is recorded without external speaker.

[0029] The described USB interface and / or Type-C interface use a USB OTG transmission line to transmit data, ensuring the quality and speed of data transmission and reducing the transmission loss of data signals.

[0030] In this application, by improving the control circuit of the sound effect processing control module, a power supply module and a data transmission module are set up, and the power supply module has a built-in power supply. The external power supply is supplied to the sound effect processing control module and the built-in battery power supply to ensure the stability of the input voltage and current and the anti-interference ability. At the same time, the data transmission module uses a USB interface and / or a Type-C interface to improve the convenience of use, realizing a shared interface for charging and data transmission. Moreover, the data transmission module undertakes the input and output of the audio signal of the sound effect processing control module, ensuring the stability of audio transmission, reducing losses, and ensuring quality and quantity. The bypass control module is set up to facilitate the instrument operator to adjust the sound effect during performance in real time, which is beneficial to the use and operation of the instrument.

Claims

1. An instrument sound effect processing system with a bypass control function, including a sound effect processing control module, the sound effect processing control module processes and amplifies an audio input signal and then outputs it, and is characterized in that: The sound effect processing control module is connected to a power supply module, a data transmission module, and a bypass control module. The power supply module is used to input a constant voltage and current to supply power to the sound effect processing control module, the data transmission module, and the bypass control module. The data transmission module is used for the sound effect processing control module to receive and transmit audio signals, and realizes wired and wireless transmission. The bypass control module is used for the man-machine interaction of the sound effect processing control module.

2. The musical instrument sound effect processing system with a bypass control function according to claim 1, characterized in that: The sound effect processing control module is a DSP chip, which processes the received audio signals. The DSP chip is respectively connected to a tuner, a guitar, a bypass control module, and a data transmission module.

3. The musical instrument sound effect processing system with a bypass control function according to claim 1 or 2, characterized in that: The sound effect processing control module and the data transmission module are connected by a multi-channel communication control circuit.

4. The musical instrument sound effect processing system with a bypass control function according to claim 1, characterized in that: The power supply module is provided with a USB hub chip and a charging IC (U5) connected in sequence. The power supply module is built-in with a storage battery, and the storage battery is connected to a boost IC to convert the voltage into a voltage suitable for driving the sound effect processing control module, the data transmission module, and the bypass control module. The USB hub chip is connected to a USB interface and / or a Type-C interface to realize the input, output, and power input of data signals. The charging IC (U5) realizes the conversion of alternating current into direct current and charges the storage battery. The power supply module is built-in with a storage battery, and the storage battery is connected to a boost IC (U6) to realize voltage boosting.

5. The musical instrument sound effect processing system with a bypass control function according to claim 1, wherein: The bypass control module is equipped with a control panel, and a bypass function button is set on the control panel. The bypass control module is connected to a guitar, a pickup endpin, a pickup coil / pickup bar, and a drive circuit.

6. The musical instrument sound effect processing system with a bypass control function according to claim 1, characterized in that: The data transmission module is composed of a DSP chip and a Bluetooth chip, and is used for signal analog conversion input and output. The data transmission module is provided with a USB interface and / or a Type-C interface, a drive circuit, a coordinator, an antenna receiver, and an APP Bluetooth communication module.

7. The musical instrument sound effect processing system with a bypass control function according to claim 4 or 6, characterized in that: The USB interface and / or the Type-C interface use a USB OTG transmission line to transmit data, ensuring the data transmission quality and speed and reducing the transmission loss of data signals.

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