data/lang_nosp/ vs data/lang/

Trying to make sense of folder names in LibriSpeech

data/lang_nosp/

data/lang/ is NOT involved

Why? Whats the difference?

I noticed that librispeech using folder name that is not typical. Most scripts normally use data/lang/.

So  data/lang_nosp  and data/lang:  correspond to different stages of system building; lang_nosp has no silence probabilities.

We should try to use the correct one, but the difference won't be enormous

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