In the car audio upgrade process, in addition to replacing the horn, the most important thing is the sound insulation of the car. As everyone knows, if you want to have good music effects, you must first make a car soundproof.
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Car sound insulation products were developed in the late 1980s by a group of car audiophiles in the United States in order to better enjoy the fun of car audio. These products can reduce the noise inside the car while driving. The sound pressure and tone of the car audio. If you do not pay attention to the sound insulation after the car audio conversion, then the owner's enjoyment may also bring great trouble to passers-by.
Why do you have to do sound insulation when upgrading your car audio?
A lot of people will ignore it. When people buy a car, they even try to listen to the sound. They are also parking in place, so it is difficult to experience the importance of vehicle sound insulation for sound effects. The fact is: no matter how good the sound of your car (or how good you change it), as long as the car is not soundproof enough, the sound effect will be greatly reduced. Especially for some low-end models, although the sound itself is still decent, but because the cabin is not soundproof, you have to increase the volume of the sound when running at high speed. The sound that is not high enough in itself will be "exposed" after the volume is increased, and the resolution is greatly reduced and the sound is blown. So if your car is not soundproof enough, you basically have no good sound effects.
So how big is the effect of car noise on car audio?
Why do you have to do sound insulation when upgrading your car audio?
1. Powerful improvement of car audio efficiency Noise is the destroyer of music, and you can't enjoy wonderful music in the car surrounded by noise. Car sound insulation can create a quiet audio-visual environment to enjoy the perfect sound quality of music. On the other hand, the installation defects of the speaker and the subwoofer in the vehicle body can also be solved by the vibration damping treatment of the vehicle body during the sound insulation construction. The speaker is mounted on the weak metal panel of the car body, and will resonate with the metal panel of the car body when it is audible, and generate noise due to co-wave resonance and harmonic resonance, which will distort the sound quality and reduce the sound effect. Similarly, the subwoofer is installed in the trunk of the car, but when the sound is made, the weak iron of the tailgate is easily shaken by the bass sound, and part of the sound energy is converted into heat energy, which also brings the corresponding plate. Knocking sound, polluting the original sound.
How to solve the shortcomings of these audio modifications? At the same time as solving the noise, it is necessary to fully consider the defects of sound installation while improving the sound insulation modification, and perform special vibration reduction and noise reduction treatment on the door and the trunk.
Why do you have to do sound insulation when upgrading your car audio?
2, sound insulation to compensate for speaker defects for car audio upgrades, the most common approach is to add a new pair of speakers. Speakers are often considered to be the weakest link in the sound quality chain. The speakers in the car need to be mounted on a thin metal panel, which is a natural defect in the installation of the speaker in the door. The door is not the best place to install the speaker, which leaves room for improved sound quality.
When the speaker sounds, the bottom plate of the speaker will resonate or tremble, causing distortion. For the best sound, the speakers should be mounted on a solid, non-resonant reflector.
Why do you have to do sound insulation when upgrading your car audio?
3. Optimize the audio-visual environment inside the car. When driving on the highway, suddenly stop, why do you feel the sound of the sound suddenly increases? Because road noise devours most of the musical sounds within the hearing range; the original sound music within the hearing range, when driving at 100km/h, the 85dB noise generated by the car allows you to hear only 20dB of music; Reducing the noise inside the car will increase the effective dynamic hearing range by 3dB, 6dB up to 12dB. In fact, reducing the noise by 3dB is equivalent to doubling the power of your power amplifier.
According to the analysis of the above-mentioned Dongguan Ocean Car Audio Store, car noise is the most important thing, not only can reduce the road noise and wind noise during the driving process, but also make the car a closed box, which is conducive to the use of the speakers. Optimized the audio-visual environment inside the car.
