As an audiophile, we have to understand a lot, the light will be useless, it is important to learn to debug, because it can show the quality you want. So please learn a little about audio debugging with Xiaobian!
The importance of equipment commissioning
After a series of planning, design, selection and construction of the previous project, it can be said that the basic profile of a project has been formed, various systems have been formed, and even most of the equipment can be used at this time, but professional audio engineering and other There is another place in the project, which is the debugging of each system equipment.
Only through scientifically and reasonably debugged systems can they adapt to different environments, fully play their respective functions, coordinate with each other, and ensure normal and stable work for a long time. It can be likened to a system that has not been rigorously debugged. All of its equipment is like a force without rigorous training. The commands are different, and the action is always in a disorderly state, and the level of performance is very low.
The importance of strict debugging is directly reflected in the full play of the various performances of the system. Another important manifestation is that strict specification debugging allows the equipment to work accurately in the best working condition, plus attention in later use. Maintenance, the life of the equipment can be extended a lot. The actual experience and investigations show that most of the equipment damaged in the normal range is caused by improper equipment debugging and maintenance. In a large number of projects, the most practical, competent and debugging experience is engineering design. The construction unit can see how important it is to debug the equipment in the project.
Steps for device debugging
The various types of equipment for professional audio engineering include more types and quantities of equipment. The usage methods of various equipments and the working mode of the system are different. Therefore, the equipment debugging of the system is also different, but the type of engineering is also the same. There are a lot of differences. If you want to introduce the equipment debugging methods of all types of projects one by one, it is too long, so we only explain the steps of the general type of engineering equipment debugging. Welcome to China Home Theater Network
The first is the preparation before commissioning. The commissioning of sound engineering is a work that requires both technology and experience, but also requires serious and responsible spirit. When design, selection, layout and construction meet the requirements, the commissioning of equipment and systems is the only means to meet the design requirements. So be prepared for the preparation before commissioning.
These preparations include: preparing the necessary instruments and tools, such as phasers, noise generators, spectrum analyzers, sound pressure meters, and multimeters required for sound debugging; preparing all engineering and construction drawings; carefully reading all equipment installations and Use the instruction manual and prepare the instruction manual for the important or special equipment. It is necessary to prepare that the commissioning work must be carried out before the start of the commissioning work to ensure that there are no unrelated personnel on the site to avoid interference in the commissioning work.
Secondly, check the installation and connection of the equipment according to the design and layout requirements. Different from the construction steps of the project, the thinking of the installation and connection of the system and equipment during the equipment commissioning phase is based on the whole system. The purpose is also to find the problem, and it is easy to find the problem, so before debugging The inspection is necessary; at the same time, the construction personnel should be asked if there are any problems left in the construction process, and there is no problem with the power supply line and voltage.
The other is to set the appropriate settings for all devices. Because the composition of each system equipment is different, the environment in which the equipment works is different, and the signal processing and transmission methods of each system are different. Therefore, the meaning of setting is made, so that the equipment works in a reasonable state, so that the equipment is coordinated. Control has a good foundation.
The setting of the sound system includes: the voltage file of all equipment should be set to the power supply voltage, and the gear position should be as high as possible; the signal transmission level value of the system should be set as consistent as possible to ensure that the signal transmission reference point is the same; the amplifier's The working state is stereo, parallel mono or bridge mono, protection status setting is not, input transformer selection, etc.; what is the frequency division of the speaker, where is the high frequency attenuation position; the signal of the mixer Input attenuation, signal grouping; how to select the gears of the peripherals, whether they are bypassed, whether they are linked, whether they are activated, etc.
The setting of the lighting system includes: the setting of the working voltage and signal voltage of all the devices; the setting of the type of the lamp to be controlled in the specific control device; the setting of the encoding form of the signal in the digital signal transmission, the address of the receiving device Code setting; the position of the light path of all lamps or actions on the dimming table, the setting of the function buttons on the computer lamp, etc.
The setting of the video system includes: setting of working voltage of all devices; setting of signal color system, setting of black and white balance on shooting device, shooting illumination; selection of signal receiving mode of projector, projection, display mode, size The choice, the setting of the three-color overlay effect, and so on. In short, the equipment setting of each system in the project is a very important task, it should be carefully checked carefully, and the corresponding instructions should be read if necessary.
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