Multifunctional mobile pull rod speaker

Abstract

A multifunctional mobile pull rod speaker comprises a speaker body, wherein a horn and a control panel are externally arranged on the speaker body, and a speaker control system is arranged inside thespeaker body; the speaker control system includes a power supply module, a signal input module, a signal digital signal processor (DSP) processing module, an MCU controller, a wireless entertainment module and a power amplifier; the signal DSP processing module includes an analog-to-digital converter (ADC), a DSP and a digital-to-analog converter (DAC) that are sequentially connected, and the signal DSP processing module is separately connected with the signal input module, the MCU controller and the power amplifier. According to the multifunctional mobile pull rod speaker provided by the invention, the DSP is taken as the core, and the input of guitars and other musical instruments, karaoke playback, Bluetooth / U disk / TF card playback, APP control of smart phones and tablet computers, andother functions can be achieved; and the multifunctional mobile pull rod speaker is convenient to use, has novel and diverse functions, has better entertainment than existing mobile speakers, and canfully meet the requirements of users for multifunctional high-performance mobile speaker equipment.

Description

technical field [0001] The invention relates to the technical field of sound boxes, in particular to a multifunctional mobile draw bar sound box. Background technique [0002] In modern society, mobile speakers have been widely used in many different occasions. It has become the main equipment used for sound reinforcement in street stores, square dances, and small field performances. However, most of the mobile speakers currently on the market are mainly composed of self- With batteries and speakers, it also has functions such as U disk playback, wireless Bluetooth playback, karaoke, and line input interface. , High-performance mobile speaker equipment needs. Contents of the invention [0003] In order to overcome the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a multi-functional mobile trolley speaker, with a DSP digital signal processor as the core, with instrument guitar input, karaoke, Bluetooth / U disk / TF card play...

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a multi-functional mobile trolley speaker, with a DSP digital signal processor as the core, with instrument guitar input, karaoke, Bluetooth / U disk / TF card playback, intelligent Mobile phone and tablet PC APP control and other functions; its instrument guitar input function has most of the effects in the professional industry, such as original piano, classic distortion, heavy metal distortion, overload, flange, chorus, delay, etc., which can be used for guitar Playing and singing performance; its karaoke function has the feature of DSP professional human voice elimination, which can provide greater fun for singing; and users can operate all functions of this multi-functional mobile trolley speaker on a mobile phone or tablet computer through a smart APP. Convenient, novel and diverse functions, more entertaining than the existing mobile speakers in the market, and fully meet the needs of users for multi-functional, high-performance mobile speaker equipment

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