The treatment of the sound field environment is actually how to do a good job in the acoustic design of the listening room, following the following principles:

1. Choose an appropriate room ratio, make the walls not parallel, or increase diffusion to avoid or reduce the impact of standing waves.

2. The reverberation time is appropriate to keep the critical distance as far as possible.

3. Absorb a reflected sound and reduce the interference of a reflected sound with direct sound.

4. Try to absorb sound as much as possible. If the absorption cannot meet the requirements, try to diffuse the reflected sound to make the sound field as uniform as possible.