帮你用那个软件算了一下，结果贴如下，供参考...
红色的是推荐的长宽高数据。
Room Sizer : (c) RPG Diffusor Systems Inc.
C:\PROGRA~1\RPGDIF~1\ROOMSI~1\default.roi
Licensed to : XY
Configuration
Room dimensions between: (2.4,2.4,2.7 ) m,and (1.5,1.5,1.5 ) m
Listener location range: between (-0.1,-0.1,-0.1 ) m, and (-0.1,-0.1,-0.1 ) m [R,R,R]
Number of independent loudspeakers 1; Number of dependent loudspeakers 0
Front stereo left (ILS1): between ( 0.1,0.1,0.1 ) m, and ( 0.1,0.1,0.1 ) m [L,L,L]
Optimization data
Best error value found: 2.0637
Worst error value found: 4.2641
Last error value computed: 2.2919
Time for last iteration: 0.00781
4 solutions found
Best solution found:
Room size (length, width, height) : (1.636,2.241,2.481 ) m
Room ratios : (1,1.37,1.517 ) m
Distances from front left bottom corner