Steps to debug professional audio engineering equipment

　　Steps to debug professional audio engineering equipment

　　The various systems of professional sound engineering include many types and quantities of equipment, and the use of various equipment and the operation of the system are not the same, so the equipment debugging of the system is also different, but because the types of projects are the same, they are also very different. , If you want to introduce the equipment debugging methods of all types of projects one by one, it will inevitably be too long, so here we will only explain the process of equipment debugging in the later stage of general types of projects.

　　Preparation before commissioning The commissioning of professional audio engineering is an operation that requires skills and experience, but also requires carefulness and energy. When the planning, selection, layout and construction meet the requirements, the commissioning of the equipment and system is the plan. The only way is required, so sufficient preparation work must be done before commissioning.

　　These preparations include: preparing the necessary instruments and tools, such as the phase meter, noise generator, spectrum analyzer, sound pressure meter, and multimeter required for professional audio debugging; preparing all engineering plans and construction drawings; carefully reading all equipment and devices And the operation manual, and prepare the operation manual of important or special equipment for later use; if there is a need to prepare, make sure that there are no irrelevant personnel on the site before the start of the commissioning work to prevent the commissioning work from being interfered.

　　Viewing the equipment and connection status of the equipment according to the planning and layout requirements is different from the construction process of the project. The idea of viewing the system and the equipment and connection status during the equipment debugging phase is based on the entire system, and the purpose is to expect discovery. Problems, but also easy to find problems, so it is necessary to check before debugging; in the process of checking together, ask the construction personnel whether there are any remaining problems during the construction process, and make sure that there is no problem with the power supply line and voltage.

　　Professional audio engineering sets all equipment accordingly. Because the composition of the equipment of each system is different, the operating environment of the equipment is different, the signal processing and transmission methods of each system are also different, so the meaning of setting is to make the equipment work In a reasonable situation, the cooperation and control between equipment have a good foundation. The setting of professional audio system includes: the voltage range of all equipment should be set to the power supply voltage, and one gear as high as possible; the signal transmission level value of the system should be set as common as possible to ensure that the signal transmission reference point is the same; The operating status of the speaker is stereo, parallel mono, or bridge mono, the protection status is not set, the selection of the input transformer, etc.; what is the frequency division method of the speaker, and where is the high-frequency attenuation; mixer The signal input attenuation status, signal grouping status; how to choose the gear of peripheral equipment, whether to bypass, whether to link, whether to activate, etc.

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The difference between professional audio and ordinary home audio is in the place of use