Research Of Acoustical Environment In Classroom

Classroom is very important to every one, and good acoustic characteristic in classroom by effectual sound treatment is not only beneficial to the teachers' health, is advantageous to the students' studies, but also is convenient to communicate between teaching and studying.For good acoustical qualities, the classroom need suitable reverbera -tion time, enough loudness and homogeneous sound field distribution, good speech articulation , no echo , sound focusing and obvious noise jamming and so on .So ,classroom acoustic design should consider two factors: acoustical design and noise control.Acoustical design of classroom should cooperate with architectural design and interior design, choose favorable somatotype, suitable reflec -ting surface and arrangement of sound absorbing material, proper rever -beration time , and reasonable sound-reinforcement system ,so that tea -chers can transmit their speech to every student . To acoustical design of classroom influence on sound quality was discussed from flat shape,...