kaldi识别问题集锦

1、识别结果为空，Nbest结果有几条

【问题描述】

{
  "version": "en.asr.Ppeiyou.Achr.V0.2.1",
  "result": {
    "text": ""
  },
  "nbest": ["appear to be", "ability", "a plea love thee"],
  "wavetime": 800,
  "systime": 489
}

【问题原因】

KW123456 
0    1    6815    17.8201,-31.9153,2_1_320_319_319_3314_3313_3313_2178_2177_2177_2177_3324_3323_3323
0    4    9    25.3353,-47.8537,2_1_3680_3679_3679_3679_3679_3679_3679_3679_3679_3679_3679_3679_3679_3679_3679_3679_3679_3679_3679_3679_3679_3679_3679_3679_2
0    5    348    29.5382,-49.3581,2_1_320_319_319_972_971_971_2156_2155_2155_2155_2155_2155_2654_2653_372_371_371_371_3730_3729_2282_2281_2281_2281_2
0    6    11    17.4036,-25.4548,2_1_320_319_319_3314_3313_2670_2669
1    2    178341    2.09549,-1.07792,3728_352
2    3    13853    8.84651,-20.7707,351_351_972_971_971_2276_2275_2275_2275_2
3    4.72537,0,
4    2.49881,0,
5    -0.101562,0,
6    7    135951    9.33564,-10.0627,2344_2343_2343_2343
7    8    104461    19.192,-28.9386,2343_2636_2635_426_425_425_4086_4085_1284_2360_2359_2359_2359
8    9    175945    2.34451,-5.10607,2
9    1.60037,0,

有一条路径识别结果只有 <SPOKEN_NOISE> 9，得分又是最高的， 所以造成了最佳识别结构为空的问题。