About 300mm thick.

Practice design:

1, with a heavy wall to isolate the interference of large sound pressure level sound source, between the hall and the private room, between the private room and the private room should be good sound insulation.

2, partition wall to the top of the cement ceiling; many people in order to save money and convenience are used first after the ceiling partition wall, so that the upper part of the reserved air-conditioning piping, exhaust piping, fire fighting piping and power cable piping, this approach in the ceiling, not only the construction of the extremely laborious, but also to the pipeline reinforcement and acoustic wall sealing the top of the big trouble.

3, the proportion of anechoic wall design should be reasonable; many people know that in the design of some anechoic wall in the room can reduce the microphone whistling, but sometimes over-emphasis on the sound-absorbing effect, on the contrary, it will cause the microphone reverberation is not enough, the sound of the dryness, so as to affect the overall effect of the singing.

4, the ceiling ceiling design; generally recommended the use of simple processing, in the case of dealing with the strength of the ceiling skeleton, in particular, dealing with the strength of the speaker hanging bit, and to make a good mark, the top of the gypsum board, surrounded by gypsum molding module, perimeter of the use of light wooden geometric structure liner

KTV noise on the hearing of serious damage, domestic and foreign studies have shown that

KTV noise has serious damage to hearing, domestic and international research shows that 12% to 15% of young people's hearing health is affected by recreational noise, to arouse the attention of the whole society to the non-occupational noise, especially recreational noise.KTV hall or private rooms in the sound, generally up to 100 decibels or more, because the human ear can withstand the maximum noise of 90 decibels.

And the intensity of sound in these environments are nearly 100 decibels, in general, about 50 decibels below the volume is the most comfortable, if the volume rises to between 50 to 70 decibels, will begin to feel slightly uncomfortable, long-term, it is easy to cause chronic damage to the sense of hearing.

Expanded

KTV's composition mainly includes:

1, the hardware part (song ordering computer, touch screen, song ordering server, amplifier, stereo, TV, projector, lighting system)

2, supporting part (sofa, coffee table, carpet, cups, entertainment props)

3, software part (reception, music, music, music, music, music) p>3, the software part (cashier system, booking system, KTV management system, computerized song ordering system, etc.)

Usually, KTV rooms are divided into deluxe packages, large packages, medium packages, small packages, mini packages, and the area and site of each package is not the same, which is in order to maximize the use of the area of the ktv, based on the number of people of the different ktv staff will generally recommend the right package to the The customer.

Baidu Encyclopedia-KTV

Baidu Encyclopedia-Soundproof Wall