Listening area to get the direct sound of the speaker

The direct sound is the sound that comes directly from the speaker to the listener. The main feature is that the sound is pure, that is, what kind of sound is emitted by the speaker, and what kind of sound is heard by the listener. The direct sound does not pass through the wall, the ground and the top surface of the room. There is no acoustic defect caused by the reflection of the interior decoration material. It is also not affected by the indoor acoustic environment, so the sound quality is guaranteed and the sound fidelity is guaranteed. high. An important principle in modern room acoustic design is that the listening area makes full use of the direct sound from the speakers and tries to control the reflected sound.
As far as a room is concerned, the method of determining whether the listening area can obtain the direct sound from all the speakers is very simple, and the visual method can be used. In the listening area, if the listener can see the whole of all the speakers, and in the area where all the speakers share the cross radiation, the speaker can be heard directly. Under normal circumstances, speaker hanging is the best way to get direct sound in the room, but sometimes due to the low floor space and limited space, hanging speakers may be subject to certain restrictions. If conditions permit, it is best to hang the speaker. hang up. Many speakers have a horn pointing angle of 60 degrees or less. The horizontal direction is large, and the vertical direction is small. If the listening area is not within the horn of the horn, the horn of the horn cannot be obtained, so the speaker is placed horizontally. The tweeter axis should be consistent with the level of the listener's ear. When the speaker is hung, adjust the tilt angle to avoid affecting the high-pitched sound.

When the speaker is playing, the closer to the speaker, the greater the proportion of direct sound in the sound, and the smaller the ratio of reflected sound; the farther away from the speaker, the smaller the proportion of direct sound.

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