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Significant features of sound reinforcement system technology

Significant features of sound reinforcement system technology

Professional sound reinforcement system includes sound reinforcement equipment and sound field composition, mainly including sound source and its surrounding sound environment, the sound into electrical signals of the microphone, signal amplification and signal processing equipment, transmission lines, the signal into acoustic signals of the speaker and the acoustic environment of the audience area.

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How to choose a high quality conference room audio products?

How to choose a high quality conference room audio products?

When examining the practicality of a conference room audio product, it can be compared from four aspects: ease of use, security and stability, network adaptability, and scalability.

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The purchase of power amplifier skills

The purchase of power amplifier skills

When choosing a power amplifier, we should first pay attention to some of its technical indicators:

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Several Misunderstandings of Differential Line in PCB Design

Several Misunderstandings of Differential Line in PCB Design

Differential signal (Differential Signal) is more and more widely used in high-speed circuit design, the key signal in the circuit is often designed by differential structure, what makes it so popular?

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Main Features of Power Amplifier

Main Features of Power Amplifier

For the main function is to provide power to the load amplifier circuit is usually called power amplifier circuit, the main features of professional power amplifier are as follows: 1. Output power refers to the product of alternating voltage and alternating current, that is, AC power; 2. AC power is defined when the input is sine wave and the output waveform is basically undistorted; 3. The output power is large, so the energy consumed in the circuit and the energy provided by the power supply are also large; 4, transistors often work in the limit application state, which should consider the necessary heat dissipation measures and overcurrent, overvoltage protection measures.

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Basic knowledge of stage lighting design

Basic knowledge of stage lighting design

If the sound is the soul of the stage, the sound with reasonable design and the sound system will make the immersion on the stage very strong, then the lighting is the appearance of the stage.

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The Function of Power Amplifier in Sound System

The Function of Power Amplifier in Sound System

In the field of multimedia speakers, the concept of independent power amplifier first appeared in 2002. After a period of market cultivation, in 2005 and 2006, the new design idea of this multimedia speaker has been widely recognized by consumers. Major speaker manufacturers have also introduced new 2.1 speakers designed with independent power amplifier, thus setting off wave after wave of "independent power amplifier" panic buying boom. In fact, from the sound quality of the speaker, it will not be greatly improved because of the design of the independent power amplifier. The independent power amplifier can only effectively reduce the influence of electromagnetic interference on the sound quality, and is not enough to cause a considerable improvement in the sound quality. Nevertheless, the independent power amplifier design still has many advantages that ordinary 2.1 multimedia speakers do not have:

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What is the difference between digital power amplifier and ordinary power amplifier?

What is the difference between digital power amplifier and ordinary power amplifier?

The so-called digital power amplifier is a method of digital signal processing in the front. After the audio signal or digital audio signal is input, the existing digital audio processing integrated circuit is used to complete some processing of the sound field, digital delay and reverberation functions, and then stop audio amplification through the analog power amplifier module.

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