how to find short pause in a sentence ?

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Sony
Sony on 3 Jun 2013
can any1 help me with matlab code for finding pause in a sentence!!! for example in the sentence She was dancing,singing ,laughing in the party. Pauses are found after dancing,singing and laughing.how do i find it with matlab code pls help.
  2 Comments
Daniel Shub
Daniel Shub on 3 Jun 2013
What is your definition of when a pause occurs?

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Answers (1)

Iain
Iain on 3 Jun 2013
If you have the sentence as a string: eg.
Str = 'She was dancing, singing, laughing in the party.';
You can get the index of each comma (which I think you mean by pause), with:
pauses = find(Str == ',');
There are better ways, but that works.
  5 Comments
Sony
Sony on 4 Jun 2013
yes lain,im dealing with recorded speech there varieties of recorded speech normal fast and slow
Iain
Iain on 4 Jun 2013
Ok, in that case, if you threshold the audio stream, you should be able to find periods of below the threshold.
Pseudocode:
Loud = this is when people are talking
Quiet = this is when people are not talking
Threshold = (Loud + Quiet) / 2
Recorded_text = [Quiet Loud Quiet Loud Quiet Quiet Quiet Loud]
Thresholded_text = Recorded_text > +Threshold & Recorded_text < -Threshold
e.g. Thresholded = [false true false true false false false true]
Each pause, no matter how small will be recorded as a stream of "false", and depending how the recording is performed, you'll find "false" in the middle of speech as well.

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