In KTV, the sound effect is very important, and the placement of the sound is also very important. Only when the placement is reasonable can a beautiful sound be produced. Let us take a look at several commonly used methods:
The first method: three to seven ratio method
The length of the room is divided into three equal parts, the speakers are placed at one third of the length, and the interval between the two speakers is 0.7 times the length of two thirds of the room. It is best to have a slight inward projection angle of the speaker, but it is not necessary to project inward, and the listening position must not be against the back wall.
How effective is this method? This is what the KTV boss is most concerned about. This method is very good. This method is used in a large-sized and uniformly spaced space to obtain a balanced sound and a wide and deep sound field.
The second kind: three to three ratio method
In this method, the length of the room is divided into three equal parts, and the width is also divided into three equal parts. The horn is placed at the intersection of the first equal part of length and width. The speaker can have a slight inward projection angle, even without inward projection, and the listening position cannot be against the back wall.
What kind of space is this method suitable for? This method is also applied to KTV with a large and uniform space size ratio, and is also suitable for balanced sound and wide and deep sound field.
The only difference between this method and the previously described method is that the distance between the two speakers is relatively narrow.
The third type: screw hole pendulum method
Place the speakers between one-third and one-half the length of the room, and then place the two speakers as close as possible to the side walls (if the room is wide, you do not need to be close to the side walls), the inward projection angle of the two speakers is greater than 45 degree. The listening position should be about 0.5m-1m after the intersection of the projection angle intersection line.
This method is specifically to deal with the shortcomings of too high treble, too thin midrange and insufficient bass.
The fourth: regular triangle method
The first condition is that the distance between the horn and the back wall is generally at least 1 meter and the side wall is at least 0.5 meters.
The second condition is to draw the two speakers and the listening position into a regular triangle.
The third condition is that the inward projection angle of the two speakers should also be 45 degrees or more.
The fourth condition is that the regular triangle can be large or small. When the room is small and the power of the rear stage is not large, the regular triangle is smaller; when the room is large and the power of the rear stage is large, the regular triangle is drawn larger.
How effective is this method? Its advantage is that it can reduce the excessive interference of the reflected sound of the four walls on the direct sound of the speaker, and get a good sense of positioning and a wide and deep sound field. This is the method that can hear the most, the most direct and the clearest details.
Fifth: Long-side pendulum method
Swing the speaker in the opposite direction, using the long side of the room as the back wall of the speaker, and the rest in a regular triangle. The listening position cannot be attached to the wall, at least a distance of 0.3 meters is required.
This method enhances the sense of mid-range and low-frequency volume, but the depth of the sound field is poor.
Sixth type: diamond pendulum method
This method is limited to square spaces. Think of a square space as a rhombus, with speakers placed on either side of the rhombus against the wall. The diamond-shaped sharp corner behind the horn and the diamond-shaped sharp corner behind the listening position are subjected to circular arc or cylindrical sound wave diffusion treatment. The horn should not be too close to the side wall.
This method can solve the problem that the standing bass wave of square space is too strong. If the square space is not arranged like this, it is necessary to cram furniture to "quell" the standing wave.
The seventh kind: sticking to the wall
Place the speaker close to the rear wall, no matter it is 50 cm or 30 cm away from the rear wall, you can adjust it yourself.
The characteristic of this method is that the high frequency is sharp, and it is used when the middle frequency and low frequency are weak, which can make the middle frequency and low frequency full, and the whole high, middle and low frequency can be balanced. It will also make the sound field shallower in depth and narrower in width. However, if it is balanced with harsh and unpleasant sounds, it is correct to sacrifice sound field performance to obtain good sounds.
Eighth: cabinet method
This method is designed for small speakers without a tripod. If the speaker is placed on a low cabinet, place marble or granite under the speaker and place a pyramid between the speaker and the stone. It is better if there is an iron sandbag or iron block that absorbs vibration on the top of the speaker. If the horn is placed on the bookshelf, fill the top, bottom, left, and right of the horn with books. At this time, the pyramid need not be used.
The characteristic of this method is that the sound will be full and strong, and the high frequency will not be harsh. At this time, listening to sound quality is the first demand, and the performance of the sound field is second to none.
After such research, I believe that you have a certain understanding of the placement of audio in KTV. I hope that all KTV bosses will also study the placement of audio in private rooms to let customers enjoy more high-quality K song enjoyment!
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