source:Industry News release time:2022-03-01 Hits: Popular:Brand bar audio wholesale
First of all, let's briefly introduce what is the phase interference of the entertainment audio system. Generally, full-range speakers are made of a combination of tweeters and woofers, and are divided by frequency dividers.
Although the tweeter and bass unit play different frequency bands, there is still a certain crossover frequency. In addition, the time difference between the sound from the two units reaching the ear will lead to a phase difference between the sound waves in the crossover frequency part, which is caused by phase interference. distortion. The main manifestation of phase interference is partial cancellation or enhancement in the crossover frequency part of the frequency division, and the sound is divergent or dry and hard.
Why do I feel tired when singing with speakers with large phase interference? Due to the existence of phase interference, especially in the crossover frequency part of the frequency division of the speakers, if the phenomenon of cancellation or enhancement occurs in this section, then the sound of these frequency bands will appear For diffuse or dry hair.
When the singer hears that his voice is not real, he will subconsciously strengthen his breath to make the sound of the entertainment sound more solid; similarly, if the singer hears his voice bursting out, he will adjust his breath and sing. . In this way, when you sing, you can hold your breath for a while and inhale it for a while, and you can't relax. How to distinguish whether the phase interference of the speaker is large or not can be roughly distinguished by means of measurement and some subjective evaluation methods.
Method 1: Find a song that can sing. If you feel that the breath is smooth and the top and bottom are connected when singing, this speaker will not be a problem.
Method 2: If you can’t sing, find a saxophone solo or acoustic guitar solo piece and play it. If the sound is scattered, the sound of the saxophone or guitar doesn’t come from a point, but from a piece, or the sound If it is hard and the sound of the instrument is insufficient, and the sound is dry, then this speaker is not in the optional range.
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