Four ways to reject professional entertainment audio noise!Yunnan Bar Audio Vendor

　　Four ways to reject professional entertainment audio noise

　　I believe that many of my friends have heard the sound of "Zrazra" from sound noise in KTV or in the day. Most people directly shoot KTV professional audio when they encounter noise, but this is actually useless in dealing with the noise. Then, how does the noise of professional entertainment audio equipment occur? How can we stop the noise of professional audio equipment?

　　1. Try not to approach professional speakers with communication equipment

　　Why don't you get close to professional audio equipment with communication equipment on your body? Because devices such as mobile phones and walkie-talkies have a kind of high-frequency electromagnetic radiation interference, the scattered electromagnetic radiation interference of the noise environment caused by electromagnetic wave radiation will produce the "zira" sound of electric current, which often makes people feel uncomfortable. Therefore, the first way to prevent noise is to refuse to bring communication products close to professional entertainment audio.

　　2. Separate the power lines when routing professional entertainment audio equipment

　　Generally, if there is noise from professional audio equipment in newly-built home theaters and audio-visual rooms, most of it is because the professional audio project planning did not pass the plan. Because new professional audio equipment generally produces noise due to wiring problems caused by the power supply being disturbed, to prevent this problem, you must find a professional audio-visual decoration company to plan and decorate the audio-visual room or home theater, or separate professional The power line of audio equipment.

　　3. Test the signal-to-noise ratio when buying professional audio

　　The signal-to-noise ratio refers to the ratio of the normal sound signal of such audio playback to the noise signal/power when there is no signal. The higher the signal-to-noise ratio, the lower the noise. For example, some users have been tested and tested in all aspects of the purchase time, but it may be that they did not pay attention to the signal-to-noise ratio test, which led to the noise problem after buying home audio equipment after a short period of time.

　　4. Pay attention to the ground loop of professional audio equipment

　　Because professional entertainment audio equipment will generate various radiation and electromagnetic induction charges, if it cannot flow out, it will form a noise voltage in the professional audio equipment and superimpose it in the audio equipment signal. Therefore, professional audio equipment must have a good and unobstructed ground connection, and the ground resistance cannot be greater than 4 ohms. Otherwise, the previous duplication phenomenon will occur.

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