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How to extract FFT every 10ms

 
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donghyuk
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PostPosted: Wed Jul 14, 2004 1:37 am    Post subject: How to extract FFT every 10ms Reply with quote

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Hi
I am Dong-hyuk Lee

Do you happen to know how to extract FFT from all regions every 10ms in the sequence of vowel+nasal. what should I do to get all FFT windows every 10ms?

I am waiting for your precious reply


bye.....
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kare



Joined: 16 Aug 2002
Posts: 371
Location: KTH, Centre for Speech Technology

PostPosted: Thu Jul 15, 2004 11:33 pm    Post subject: Reply with quote

You will need to learn to use the Snack toolkit http://www.speech.kth.se/snack. WaveSurfer is written in Tcl/Snack.

The powerSpectrum command does what you want, but you will have to give it appropriate start/end times
http://www.speech.kth.se/snack/man/snack2.2/tcl-man.html#spowspect

Check out this as well

http://www.speech.kth.se/snack/tutorial.html

Kåre
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