What kind of environment do we live in?

Every day we wake up and hear all kinds of sounds, talking indoors, car horns outside, etc., everywhere.
Humans live in a world of sound, and sounds can be divided into several categories: language sound, music sound, natural sound and noise. For the language sounds and music sounds we need to hear, we should be able to hear them clearly and meet certain sound quality index requirements.

What kind of acoustic places are there?

Different places have different requirements for sound quality. Some only need to hear clearly, such as conference rooms, gymnasiums, waiting rooms. Some must not only be heard clearly, but also have a certain on-the-spot atmosphere and a sense of surround, such as theaters, concert halls, and home theaters.

What are the two points that need to be clear before doing acoustic design?

The volume of the above acoustic room is different, and the builder needs to give different acoustic structure plans and decorative design plans according to the function and size of the room.