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What is the different between a monophone and a triphone?
User: kmaclean
Date: 1/3/2010 10:16 pm
Views: 19833
Rating: 37

Monophone: The pronunciation of a word can be given as a series symbols that correspond to the individual units of sound that make up a word.  These are called 'phonemes' or 'phones'.  A monophone refers to a single phone.

Triphone: A triphone is simply a group of 3 phones in the form "L-X+R" - where the "L" phone  (i.e. the left-hand phone) precedes "X" phone and the "R" phone (i.e. the right-hand phone) follows it.  

Below is an example of the conversion of a monophone declaration of the word "TRANSLATE" to a triphone declaration (the first line shows the "monophone" declaration, and the second line shows the "triphone" declaration):

TRANSLATE [TRANSLATE] t r @ n s l e t
TRANSLATE [TRANSLATE] t+r t-r+@ r-@+n @-n+s n-s+l s-l+e l-e+t e-t


In the CMU dictionnary, which has close to 130,000 word pronunciations, there are only 43 phones, but there are close to 6000 triphones.

Re: What is the different between a monophone and a triphone?
User: bhargava.mahesh
Date: 3/7/2014 6:33 am
Views: 117
Rating: 15

The difference explain b/w monophone and triphone is very nice and it clear my concept. 

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