Knowledge
  • What Is the Intermodulation Distortion?

    Date:2018.Oct.24
    The intermodulation distortion is caused by the transistor's internal operating characteristics, which causes the waveform of the sine wave to be distorted. The existence of intermodulation distortion...
  • What Is the Dynamic Range of Sound?

    Date:2018.Oct.24
    The dynamic range of the sound is the range from the weakest to the strongest. The dynamic range of the sound is also related to frequency. The frequency range with the largest dynamic range...
  • The Auditory Characteristics of the Human Ear

    Date:2018.Oct.24
    The auditory characteristic of the human ear refers to the psychological reflection of the human voice on the sound. The auditory characteristics of the human ear reflect the degree of human sensitivity...
  • Distinguish Professional Audio Systems and Home Audio Systems

    Date:2018.Oct.24
    The difference between professional audio and home audio is the difference in the place of use. Home audio is generally used for indoor broadcasting. Its characteristics are that the sound quality...
  • The Types of High Fidelity Sound Source

    Date:2018.Oct.24
    High-fidelity audio sources mainly include tuner, recording stand, record player, CD, MD, VCD, DVD, microphone (microphone) and so on. Among them, the CD disc records the uncompressed PCM digital...
  • How to Use and Maintain HiFi Headphones?

    Date:2018.Oct.24
    1. It is best not to wear headphones when sleeping, which will cause the headphone cable to wrap around the neck or the wires are screwed together, and even the casing may be crushed. 2. After using the headphones...
  • How Is the Feedback Suppressor Connected?

    Date:2018.Oct.24
    First, just like the peripherals and other peripheral devices connected in series in the sound system, knowing how it is connected, let us look at the advantages of this connection: connection and operation...
  • What Is Transformer?

    Date:2018.Oct.24
    The transformer is composed of a core and a copper coil wire wound around the insulating bobbin. The insulated copper wire is wound around the plastic skeleton, and each skeleton needs to be wound and input...
  • Key Points for Using Karaoke Microphone

    Date:2018.Oct.23
    Pay attention to the following points when using a karaoke microphone: (1) The output impedance of the karaoke microphone should match the input impedance of your karaoke machine. (2) When using more than two karaoke...
  • What Are Metallic Sounds?

    Date:2018.Oct.23
    Metallic sounds are special sounds of some of the better quality violins. It is naturally formed on the basis of the harmonious resonance of the violin and the brightness and richness of the overtones...
  • How to Reduce the Acoustic Interference Noise?

    Date:2018.Oct.19
    1. Wall: The wall should be thick and heavy in order to improve the ability to isolate the sound of the air. If possible, double wall can be set. When the sound absorbing panel is placed on the inner side of the wall...
  • The Advantages of Digital Wireless Microphone System

    Date:2018.Oct.19
    1. Excellent sound quality. Digital wireless systems provide high quality, transparent audio. This is largely because digital wireless systems do not have a "compression expander", a circuit that reduces noise...
  • The Recording Studio Needs Professional Acoustics Design and Decoration

    Date:2018.Oct.19
    1. The recording studio is divided into two parts: the control room and the recording studio. The control room is equipped with recording equipment and the recording room is for actors to sing...
  • The Role of the Exciter in Use

    Date:2018.Oct.19
    1. Improve the clarity, intelligibility and expressiveness of the sound, making the sound more pleasant and pleasant, reducing the sound fatigue. 2. Increasing the stereoscopic effect of the sound image...
  • What Is Volume Unit Table?

    Date:2018.Oct.19
    The Volume Unit table was established by the American Acoustical Society in 1942 (ANSI C16.5-1942) and is mainly used in the telephone and broadcasting industries. Dynamic characteristics...
  • What Is Peak Programme Meter?

    Date:2018.Oct.19
    Internationally, it is also called QPPM (Quasi-Peak Programme Meter). There is no uniform standard of Peak Programme Meter (PPM) in the international. The peak table specified by the original...
  • What Is SRS (Sound Retrieval System) Effect?

    Date:2018.Oct.19
    The SRS (Sound Retrieval System) effect is simply a 3D stereo effect. WOW is composed of SRS, TRUBASS, and BRIGHTNESS, which can improve the sound quality to a low-to-high panoramic 3D effect...
  • What Are Amplifier Emulators?

    Date:2018.Oct.19
    Amplifier Emulators raises the DI box to another level, not just connecting the electro-acoustic instrument to the console or the host without a microphone, but also connecting the sound directly to...
  • What Are the Benefits of Noise Canceling Headphones?

    Date:2018.Oct.19
    Noise canceling headphones bring the following benefits to users: 1. Create a quality of life: Noise-reducing headphones were first used to reduce noise on the aircraft, which is the most original use...
  • How to Choose Noise-cancelling Headphones?

    Date:2018.Oct.19
    1. Look at the model and parameters. In general, the word "noise reduction" is indicated by the abbreviation "NC (Noise Cancelling)", so most noise canceling headphones models carry these two letters...
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