--  作者:my13361288888 
        --  发布时间:2013-11-24 18:49:12 
        
        --  关于测试语音传输指数的数据解释谁能帮下帮 
        刚刚测得了一组数据,但是有些地方不会看,STI指数在是0和1之间那么最后的结果是哪一个?RaSTI=0.523 rated Fair是结果吗? 还有F1到F14之间的数据代表什么含义?麻烦那位高手帮忙给做下一注解啊 STI index(STI指标) 
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Oct.Band 125 250 500 1k 2k 4k 8k 
f1=0.63 
 0.309 0.253 0.386 0.797 1.000 0.965 1.000 
f2=0.80 
 0.147 0.058 0.318 0.768 0.977 0.923 1.000 
f3=1.00   0.000 0.000 0.304 0.746 0.925 0.880 0.969 
f4=1.25 
 0.000 0.193 0.351 0.729 0.870 0.835 0.913 
f5=1.60 
 0.075 0.294 0.405 0.705 0.809 0.781 0.850 
f6=2.00 
 0.160 0.250 0.392 0.671 0.756 0.731 0.794 
f7=2.50 
 0.149 0.197 0.341 0.632 0.705 0.679 0.738 
f8=3.15   0.108 0.214 0.294 0.590 0.654 0.626 0.682 
f9=4.00 
 0.160 0.181 0.300 0.550 0.603 0.575 0.625 
f10=5.00
 0.033 0.187 0.258 0.517 0.558 0.531 0.574 
f11=6.30
 0.102 0.106 0.241 0.478 0.512 0.489 0.523 
f12=8.00
 0.000 0.228 0.256 0.425 0.465 0.441 0.473 
f13=10.00 0.218 0.163 0.302 0.383 0.419 0.398 0.427 
f14=12.50 0.076 0.218 0.245 0.350 0.382 0.362 0.383 
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MTI      
 0.110 0.182 0.314 0.596 0.688 0.658 0.711 
STI=0.488 rated Fair 
ALcons=12.1% 
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STIr index(sti指数) 
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Oct.Band 125 250 500 1k 2k 4k 8k 
f1=0.63 
 0.309 0.000 0.352 0.767 1.000 0.938 0.778 
f2=0.80 
 0.147 0.000 0.288 0.742 0.965 0.902 0.770 
f3=1.00 
 0.000 0.000 0.274 0.723 0.916 0.864 0.758 
f4=1.25 
 0.000 0.000 0.319 0.708 0.864 0.823 0.741 
f5=1.60 
 0.075 0.000 0.369 0.686 0.805 0.772 0.716 
f6=2.00 
 0.160 0.000 0.357 0.656 0.753 0.724 0.688 
f7=2.50 
 0.149 0.000 0.309 0.619 0.702 0.674 0.656 
f8=3.15   0.108 0.000 0.264 0.580 0.652 0.622 0.617 
f9=4.00 
 0.160 0.000 0.270 0.542 0.602 0.572 0.574 
f10=5.00
 0.033 0.000 0.229 0.509 0.557 0.529 0.532 
f11=6.30
 0.102 0.000 0.213 0.471 0.511 0.486 0.488 
f12=8.00
 0.000 0.000 0.228 0.419 0.465 0.439 0.443 
f13=10.00 0.218 0.000 0.272 0.378 0.418 0.397 0.401 
f14=12.50 0.076 0.000 0.216 0.345 0.382 0.360 0.359 
Lk [dB]  
 11.1 15.2 19.3 22.3 32.6 43.8 42.8 
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MTI      
 0.110 0.000 0.283 0.582 0.685 0.650 0.609 
STIr(male)=0.548 rated Fair 
ALcons=8.7% 
STIr(female)=0.564 rated Fair 
ALcons=8.0% 
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RaSTI index 
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Oct.Band    500 2k 
0.7          1.000 
1.0         0.304 
1.4          0.841 
2.0         0.392 
2.8          0.679 
4.0         0.300 
5.6          0.535 
8.0         0.256 
11.2         0.399 
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RaSTI=0.523 rated Fair(语言快速传递指数展示) 
ALcons=10.0%(辅音清晰度损失率) 
         
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