• Post time: Jan-25-2021

    Owning a smart home is the dream of every young person, because smart home can bring more convenience and safety to life and improve the quality of life. So, how to choose a reliable smart home system? Let HDL summarize the following points for you: 1. Practicality   Smart homes are expensiv...Read more »

  • They are all talking about “distributed systems”. Do you know what problems are solved by several common technologies?
    Post time: Jan-21-2021

    In distributed systems, frequently encountered technical terms usually include multiple copies, data partitions, consensus algorithms, transactions, etc. These technologies are very important in the design of distributed systems. Discuss the reliability, scalability and maintainability of the sys...Read more »

  • How to improve speech clarity in speech?
    Post time: Jan-18-2021

    We often talk about the sound quality enhancement effect in music, but for audio processing systems, sound quality enhancement during speech is also one of its main functions. However, it is not enough to increase the volume of the speaker. Maintaining the clarity of the sound is also a very impo...Read more »

  • The louder the volume, the more detailed music you hear?
    Post time: Jan-15-2021

    Recently, someone raised an interesting question on the Internet: Do you have an illusion that if the sound is very small, it feels like a good headset is no different from a normal headset? And the same song, played with the same equipment, can the loud volume really restore more “details&...Read more »

  • The “Two-Seven-Four Principles” of Gymnasium Sound System Design
    Post time: Jan-11-2021

    At present, most small and medium-sized gymnasiums are considered for multi-functional use. In addition to meeting the functional requirements of various future sports competitions and trainings, all kinds of theatrical performances must also be taken into account. Therefore, the design of the so...Read more »

  • How to design the acoustic scheme of small and medium stadiums?
    Post time: Jan-08-2021

    To a certain extent, sports is a product of social and economic development and an increase in people’s life needs. With the strengthening of my country’s national strength and the continuous improvement of people’s material and cultural living standards, many cities in China ar...Read more »

  • What factors need to be measured when choosing professional audio equipment?
    Post time: Jan-05-2021

    The audio equipment in the antiques of conferences and events provides better communication and a relative atmosphere of the event, and the application of professional audio equipment ensures a better actual effect of the event and the completion of the professional meeting process. The applicati...Read more »

  • Speaker noise (bottom noise) from where, how to eliminate?
    Post time: Dec-31-2020

    Definition of Noise There are many types of noise, with different causes and manifestations. Therefore, it is necessary to classify the noise. The following is the classification of the noise commonly seen in several audio equipment, as well as the simple description of its causes and solutions. ...Read more »

  • How do you protect yourself from being hurt when listening to music with a professional sound system?
    Post time: Dec-28-2020

    When listening to music with a set of professional audio equipment can let songs to listen to feel the brand promoting, with the user more and more of professional audio equipment, of course, a lot of people must learn how to protect the professional audio equipment, protection of professional au...Read more »

  • Matters needing attention during the installation of professional audio equipment
    Post time: Dec-21-2020

    Professional audio equipment in today is already very extensive, a good set of conference professional audio equipment in the conference hall, multi-functional conference room, multi-function hall and so on to give full play to the key effect, so, professional audio equipment in the installation ...Read more »

  • The importance of the power component in the sound system
    Post time: Dec-15-2020

    The power supply is the cornerstone of the sound system. All kinds of circuits of the system, in the final analysis, are power modulators, the original signal for a variety of transformation processing output. It’s all powered by electricity. The quality of power supply directly determines ...Read more »

  • Professional amplifier and audio equipment matching
    Post time: Dec-14-2020

    There is a fixed number of inputs and outputs from traditional large mixers, so in an electronic music live sound system, a large number of input channels are idle and “wasted”. In recent years, a large number of popular “modular” field sound amplifying mixer design concep...Read more »

  • Precautions in using the audio system
    Post time: Dec-10-2020

    In the audio system, the speaker unit is the easiest to be damaged. The general view is that the volume of the power amplifier is too large, and it is agreed to burn the speaker. In fact, it is not the case. There are many reasons for the burning of the speaker. Here are some of the most common s...Read more »

  • The difference between professional audio and civil audio technology
    Post time: Dec-07-2020

    The acoustic characteristics of professional audio must not only meet the requirements of the national standards for acoustic characteristics, but also the requirements of subjective listening, because the acoustic characteristics cannot fully reflect the actual sound effect, and the quality of t...Read more »

  • The key points and skills of the conference room lighting and sound system engineering and design!
    Post time: Dec-04-2020

    1. Key points and skills of meeting room layout The layout of the meeting room is also very important. If you have good equipment, you can’t achieve its perfect effect without a good environment! It is best to install a lighting controller on the venue console to control the lighting accord...Read more »

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