Knowledge
  • What Is the Working Principle of Wireless Karaoke Microphones?

    Date:2018.Dec.04
    The head of a wireless karaoke microphone converts an acoustic signal into an electrical signal, the electrical signal is frequency modulated on a carrier, and the frequency modulated carrier radio signal...
  • How Wired Karaoke Microphones Work?

    Date:2018.Dec.04
    The commonly used wired karaoke microphone is mainly a moving coil type. Its working principle is: when the sound wave acts on the diaphragm of the microphone to make it vibrate, the voice coil bonded to...
  • The Parameters of Electret Microphones

    Date:2018.Dec.03
    The parameters that characterize the performance of the electret microphone are as follows: (1) Operating voltage. This is the minimum DC operating voltage that must be applied across the microphone when the electret...
  • The Development of Wireless Microphone Technology

    Date:2018.Dec.03
    Wireless microphones have gone through three phases, from the initial simple radio transmitter and wireless FM receiver to the current proprietary PLL (frequency phase-locked loop) technology...
  • Major Changes in the Audio Industry

    Date:2018.Nov.30
    Recently, a report on audio technology shows that consumers are looking forward to integrating more technology in small headphones, getting rid of cable constraints and enjoying voice interaction...
  • How to Design An Excellent TWS Bluetooth Headset Charging Box?

    Date:2018.Nov.29
    TWS Bluetooth headset charging box is a headphone accessory, but its role is very important, because the earphone box design is more refined, smaller size, resulting in low battery capacity, long-distance logistics...
  • Notes for Recording with A Computer

    Date:2018.Nov.21
    First of all, the recorder should not forget to turn on the recording function of the microphone before recording. When recording, the recorder should make a clear speech and express nature. Try to use a pronunciation...
  • What Is Music Recording Studio?

    Date:2018.Nov.21
    The music recording studio can also be called a natural reverberation shed. It requires a huge volume and can produce reverberation itself. Therefore, the natural reverberation shed is characterized by its large size...
  • The Introduction to Condenser Microphone

    Date:2018.Nov.21
    The core component of a condenser microphone is a pole, consisting of two metal films; when the sound waves cause vibration, the difference in the spacing of the metal films causes the capacitance to be different...
  • The Recording Methods of Radio Programs

    Date:2018.Nov.21
    1. The control of the recording level conforms to the national standard. We must realize that the fullness of the level also has a very important impact on the quality of the broadcast program...
  • The Loss and Balance of Recording

    Date:2018.Nov.21
    In order to achieve good anti-noise effect, the ultrasonic degaussing current has the following requirements: firstly, the magnitude of the degaussing current is large enough that the magnetic tape...
  • Main Technical Indexes Affecting Sound Quality and Timbre

    Date:2018.Nov.20
    1. Frequency range: that is, the working frequency bandwidth of the power amplifier under the specified distortion and rated output power conditions. 2. Frequency response: The output gain of the power amplifier...
  • What Is the Principle of Digital Network Broadcasting?

    Date:2018.Nov.20
    Digital network broadcasting is to collect compressed digital audio files (such as MP3) or digital audio files stored in the memory in real time according to a certain algorithm, and transmit...
  • What Is Digital Webcasting?

    Date:2018.Nov.20
    As the name suggests, digital network broadcasting is a broadcasting system that digitizes (A/D-converted) broadcast signals and transmits them over Ethernet (TCP/IP) or the Internet. That is, after the analog audio...
  • What Is the Signal Flow of the Mixer?

    Date:2018.Nov.20
    The signal flow of the mixer is divided into three parts: the signal input part, the bus part, and the signal output part. The sound source signal is input from the microphone or input from the line...
  • Precautions for Professional Audio Use

    Date:2018.Nov.20
    1. Power matching Generally speaking, the power of the power amplifier is greater than the power of the speaker. Under normal circumstances, the power of the power amplifier is 30% larger than the power...
  • The Advantages of Conference Room Sound System

    Date:2018.Nov.19
    First, the sound effect is good. The professional conference room audio system will have the most professional equipment. With the professional equipment, the sound effect from its own is also very good...
  • Why Can the Receiver Receive Some Broadcast Signals?

    Date:2018.Nov.16
    There is no essential difference between wireless microphone receiver and ordinary radio transceiver. Most of them use analog carrier transmission. If the broadcast signal falls into the...
  • What Is An Analog Source and A Digital Source?

    Date:2018.Nov.16
    Signals that are continuous in time and whose amplitude changes continuously with time are called analog signals (for example, sound waves are analog signals, currents transmitted in audio systems...
  • What Is Integrated Amplifier?

    Date:2018.Nov.15
    Integrated amplifier refers to a constant-voltage amplifier with preamplifier, which can be connected directly to a microphone and other sources without a mixer. The output voltage does not change...
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