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Professional audio engineering features, related terms and steps

source:Industry News release time:2022-09-07 Hits:     Popular:Brand bar audio wholesale

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  1. Characteristics of professional audio engineering

  Professional audio engineering is an emerging industry that has gradually developed with the development of society and the continuous improvement of people's material and cultural life, resulting in the continuous requirements for theatrical performances, entertainment and leisure forms. The so-called professional audio engineering is mainly a system engineering including professional stage audio and lighting system, practical audio and lighting video system, commercial broadcast conference system, etc. Specifically in terms of engineering technology, it integrates architecture, electronics, and electrical technology, and is a comprehensive engineering technology that includes multiple theories such as acoustics, optics, audio, and video. It requires engineering contractors to study carefully according to the different actual needs of users, fully integrate into the designer's design ideas, and carefully design and construct; at the same time, it must be completed with the close cooperation of building decoration and power supply departments. It can be seen that the significance of professional audio engineering is very important, and the importance of engineering technology is also very prominent.

  Professional audio engineering features, related terms and steps

  A project with excellent sound, light and image effects must be the result of the serious efforts of an engineering company with strong technical force and standardized management; on the contrary, a project that has not undergone strict, standardized, scientific design and construction, its system effects and equipment. Stability can be imagined. Especially now that the professional audio engineering industry is not very standardized, and when various companies rushed forward, professional engineering technology is particularly scarce.

  Professional audio engineering features, related terms and steps

  In order to create a good technical atmosphere in the professional audio engineering field, this article starts from the perspective of practical engineering, and gives detailed explanations in terms of design, selection, construction, etc. according to the actual engineering implementation procedures. The purpose is to introduce a series of technologies. , summed up a set of standard, reasonable and scientific design and construction technology key points for technical personnel engaged in professional audio engineering technology work, and at the same time provided a very useful information for those who are studying engineering technology. In addition, we also combine a large number of cases and experiences of professional audio engineering design and construction, and strive to make everyone get a more intuitive understanding in learning and avoid some similar mistakes. I hope that you will continue to summarize in the actual project, and you can gain and improve in engineering technology.

  2. Technical terms and related standards of professional audio engineering

  To learn professional audio engineering technology, you must first understand the relevant technical terms and related national and industry standards. Only in this way can professional design and construction be targeted, and the quality of the project can be fully guaranteed. It can be further said that all professional standards and terms related to engineering are the basis of engineering work, the basis and reference for design and construction, and the center. Listed below are some terms and standards that must be carefully studied and understood.

  sound pressure level

  Refers to 20 times the logarithm of the ratio of the actual sound pressure to the reference sound pressure, in decibels. Here is its mathematical expression. Its importance lies in the fact that all sound systems and the acoustic quality of all sound reinforcement venues need to have this indicator, and it is still a calculation benchmark in the subsequent design calculations.

  during reverberation

  Refers to the time required for the sound pressure level in the hall to drop by 60dB after a stable sound signal is suddenly interrupted, in seconds. Its mathematical expression is as follows. It can be found that the reverberation time is a parameter closely related to the structure and material of architectural decoration. In actual engineering, the reverberation time is an important research index for the acoustic effect of hall buildings.

  sound reinforcement power

  Refers to the rated power required by the sound reinforcement equipment when the rated sound pressure level of the system design is reached, and the unit is watts. This parameter is not very important in the actual sound control, but in the design and selection of the sound system, it is the direct reflection of the acoustic index in the electro-acoustic parameters, and it will be related to the final cost of the project, so it is also very important. Generally in engineering, it is mainly reflected by the rated power of the speaker.

  National standard GB-3947

  The national standard GB-4959 is the measurement method of the hall sound reinforcement characteristics; GYJ-25 is the acoustic characteristic index of the hall sound reinforcement system. They are two important national standards, and almost all projects need to use them as the basis for design, construction and acceptance.

  The national standard GB/T14218-93 is the performance parameters and measurement method of electronic dimming equipment; SJ2112-82 is the optimal electrical connection value for the interconnection of hall sound reinforcement system equipment. These two standards can play an important role in equipment selection and engineering test acceptance.

  Above, we have introduced a few relevant terms and standards that are very important in engineering design and construction. The description is relatively simple. The main reason is that we hope that you can use this as a reference to study these terms and standards comprehensively with the help of relevant books, and analyze and understand them carefully. , use them as the foundation of engineering techniques. In addition, there are some other contents, which will not be introduced here due to limited space.


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