The Use and Function of Line Array

The development of professional audio is changing with each passing day, and Line Array System has become the mainstream of the market in just a few years, and it shines brilliantly in fixed installation projects and various performances. In actual live sound reinforcement, even if the wavefront transmission characteristics and playback sound quality of a Line Array System are excellent, if the correct hanging method and accurate projection coverage angle are not selected, the live sound effect will be compromised. Therefore, it is very important to allow the line array to be optimally adjusted according to different usage environments and performance forms.

Here is the content list:

• The use of line array

• The role of line array

The use of line array

With the development and maturity of digital technology and Internet technology, as well as the continuous exploration of various manufacturers and practitioners in the professional audio industry, the research focus of speakers has gradually focused on two aspects. One is to improve the degree of restoration and reduce the degree of distortion. The second is the control of the directivity of the sound field and the improvement of the efficiency and convenience of use. Directivity is a property of array loudspeakers in the spatial sound field (far-field region). In the far field area, the sound waves of the same frequency are superimposed coherently, so that the sound field has a certain specificity. A Line Array loudspeaker is composed of multiple array elements with the same sensitivity, and their geometric centers are located on the same straight line. Such speakers allow quantitative control over the directivity of the beamforming. The change of directivity of the ordinary Line Array is realized by physical adjustment, and the phased array speaker can control the directivity of a sound wave by controlling the phase of the input signal of each speaker array element of the speaker array, which has a wide range of applications and commercial value.

The role of line array

During the development of the field of electroacoustics, loudspeaker arrays have always attracted much attention. Historically, loudspeaker systems have been applied to sound reinforcement situations, capable of satisfying specific sound reproduction needs in a certain spatial area. When the spatial area where the audience is located is large, it is required that the loudspeaker system used can produce a large radiated power. Naturally, due to objective conditions, a single speaker system often cannot meet the requirements of large area coverage. When a single speaker system cannot meet the higher and higher sound reproduction requirements, people naturally think of using multiple similar speaker systems, arranged and combined according to certain rules to form a Line Array. Such as straight lines, curves, planes, etc., to increase the radiated sound power and cover a larger range. Through the superimposed effect of the in-phase sound pressure, it is expected to produce sufficient sound radiation in the audience area.

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