Is the living room TV still necessary? In the era of mobile Internet, even parents have begun to lie on the sofa and watch videos and news on their phones, and the TV has been turned off for a long time. The living room cannot be idle either. It is necessary to occasionally watch variety shows and enjoy American blockbusters, especially in big cities where independent theaters cannot afford it. Large-screen living room theaters are more feasible.

Many audio-visual systems tend to ignore some things that they don’t care about, such as how the lines are routed, what materials are needed for sound insulation, and the most important thing is to let the stars go. Some families like some sparkling meteors for good looks, which are really good-looking, but some of the paintings are made of different materials. Today, I will tell you how to avoid these.

Audiovisual system

1. The most taboo line is chaos. Audio cables are different from household cables. Generally speaking, household cables will not suffer any loss. But if you run the audio cable and the household cable together, the trouble is to burn the cable yourself. You may change course. It must be noted. The audio cable has high power, and the cable used at home is small. Once together, it will inevitably cause a small flame, or the entire line will be cut off. This is the point, everyone must remember!

2. Sound insulation materials, the most taboo are non-sound insulation materials and ordinary sound insulation materials. Ordinary materials such as glass wool, glass wool have general sound insulation effect, and are not environmentally friendly. It is a yellow object. The color of good sound insulation is pure white. The environmental protection, of course, this is especially suitable for audio-visual systems, KTV, offices, hotels, now generally speaking, many people like this, it is also called fiber sound-absorbing cotton, sound insulation,

Features of sewer sound insulation felt: The sound insulation cotton is made of a layer of 2MM thick low-frequency damping sound insulation felt and a layer of thick wave peak sound-absorbing cotton. The pipe sound insulation material adopts the design method of internal absorption and external isolation. The internal sound-absorbing material can well consume the echo between the pipe wall and the sound-insulating material, and play the role of heat preservation and antifreeze. The outer sound insulation material can well isolate the low-frequency noise generated by the water flow, and the single-layer sound insulation of the sound insulation material can reach more than 40 dB. Especially in a small room environment, strong direct sound will weaken the spatial feeling of the music, and the sound will become dry and straight, similar to the feeling of headphones or monitor speakers.

Although it really depends on the situation, in most cases sound insulation is required. Sound insulation is not only to avoid disturbing the people, but also to obtain a listening environment with low noise interference.

In some basements, there are sewer pipes on the top, and the sound of running water will cause noise pollution. In addition, sound insulation should be considered when the upper basement is occupied. In response to this situation, it is necessary to wrap the pipes with sound-proof materials and isolate the sound transmission between floors with a sound-proof ceiling.

Generally, the basement is not just an audio-visual room, but other rooms also have entertainment rooms, studios and other rooms, which will disturb the neighbors. Although your family will not complain, you should consider at least customizing a soundproof door.

Audiovisual system

Sound insulation felt for audio-visual system:

1: Environmental protection and tasteless, the raw material of the product is polyester fiber [This material has been used in our lives, such as our clothes, pants, quilts, towels and other daily necessities contain this material], so there is no need to worry about the environmental protection of the product.

2. Decorative, the surface of the product is soft and flat, and there are dozens of colors, which can be matched with various colors and shapes at will.

3: High safety, light weight, only about 1kg per square meter, stick to the ceiling and wall, even if it falls on people, it will not hurt people. The product is soft and elastic, and can be used to prevent hitting walls and falling to the ground.

4: The structure is simple. Scissors and utility knives can be cut into different sizes at will. The product can be glued back, and it can be directly attached to the flat wall, ceiling, and floor for sound-absorbing decoration. The product can also be pasted on curved walls. Reducing construction is saving money.

These two must be separated. Remember, don’t mix. Mixing them is not good for your health.

Friends who are doing or want to make a starry sky top, you must remember that when making a starry sky top, it is best not to paint some bright colors, which are harmful to your health. In order to make a starry sky top, led lights are usually used. This is better, don’t paint for good looks, it’s not necessary. Generally, LEDs are mainly graphics, and LEDs have their own colors, which are also very beautiful. Remember, don’t paint