How to Use Acoustic Materials to Optimize The Sound of Building Spaces

TianGe Acoustic A sound layout and acoustic design are equally crucial, and in practical applications, a variety of techniques and materials can be used to optimize the sound of architectural spaces.

Sound travels through architectural space according to certain physical laws. Sound waves travel through the air in the form of vibrations, and when they encounter obstacles, they will reflect, absorb, and transmit. Understanding these principles is the foundation for sound optimization. For example, hard and smooth surfaces reflect sound waves a lot, causing sound to reverberate in space many times, causing reverberation. Porous sound-absorbing materials can absorb the energy of sound waves, reducing reflection and reducing reverberation time.

Sound-absorbing materials are one of the common means to optimize the sound of architectural space, such as strip-shaped sound-absorbing board, polyester fiber sound-absorbing board, slotted wood sound-absorbing board, terracotta sand, microporous sound-absorbing board, sound-absorbing soft package, sound-absorbing hard package and other sound-absorbing materials. They are widely used in six places such as viewing venues, cultural and sports venues, multi-purpose halls, commercial spaces, office spaces, and quiet houses. There are a large number of tiny pores and channels inside these materials. After sound waves enter, they continue to rub in the pores, converting sound energy into heat energy, so as to achieve the effect of absorbing sound.In addition to sound absorption, sound insulation is also an important sound optimization method. By using double-layer glass, sound insulation walls and other structures, external noise can be effectively blocked from entering the room, or indoor sound can be prevented from leaking out.

Like lecture halls, conference halls, multi-function halls, etc., the main functions often involve speeches, music performances, etc. Standing wave, reverberation, sound focusing and other issues have a great impact on the performers' interpretation and the audience's hearing experience. It is necessary to optimize the sound in the hall through reasonable acoustic design in the later stage, control the reflection and diffusion of sound, and ensure that the audience can clearly hear the sound on the stage and hear each other between the performers.

Fujian Fuyao University

Hunan Communication University Theater

Zhengyang Culture and Sports Center Theater

Thai Auditorium

Foshan International Sports Culture and Performing Arts Center

The same is true of the gymnasium. It is mostly used in various sports events. If the sound in the gymnasium is not optimized well, the coach's orders and the communication between teammates may not be heard clearly, so many times the gymnasium will be acoustically treated. Through strict acoustic detection and calculation, the reverberation time in the gymnasium will be reduced and the clarity of language will be improved.

Many successful architectural cases fully prove the effectiveness of sound optimization. The Sydney Opera House not only has a unique appearance, but also its internal acoustic design is exemplary.Through complex acoustic calculations and model tests, the designers created a perfect sound reflection surface and sound absorption structure, so that the sound on the stage can be clearly and fully transmitted to the audience's ears, providing an excellent acoustic environment for countless exciting performances.There is also our country's National Grand Theater, which uses a lot of advanced acoustic technology in the construction process to effectively control the reverberation time. Whether it is the grand performance of the symphony or the delicate dialogue of the theater actors, it can be presented to the audience with the best sound effects.

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