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bizzyc
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Joined: 14 Dec 2009
Posts: 20
PostPosted: Tue Jan 18, 2011 12:41 pm
Post subject: Spectrogram help
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I've had difficulty reading spectrograms since we began them.

Can anyone take a quick look at this single word?

http://tinypic.com/r/14d0ae1/7

(The quality isn't great)

I think that it's "rainbow". This is through comparing it to other spectrograms we've seen in class. I've also given it some analysis:

We are clearly seeing two syllables.

The first must begin with an approximant because the formants are not particularly clear due to vocal tract obstruction. I then thought there must be a dipthong as the formant moves slightly. This is then followed by a nasal, signified by the 'zero' region of low energy.

The second syllable then must begin with a plosive as we go from almost no acoustic energy to a short burst of high energy. This is then follwed by another dipthong.

As you can see my explanation is a little crude.

If anyone could tell me if I'm in the right area and perhaps give a little further explananation I would be incredibly grateful!
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dimitroff
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Joined: 13 Jan 2011
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PostPosted: Wed Jan 19, 2011 12:40 pm
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I'm not necessarily good at reading them, but I agree with your reasoning.

1. I have no clue about the beginning of the word.
2. Definitely a dipthong, lots of formant movement
3. Maybe there's antiformants indicative of a nasal or /r,l/
4. Voiced stop
5. Probably a dipthong, but not as dipthongy [very technical!]

Could we see an image of the waveform as well?
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Linguistics BA and MA; PhD in progress; Specialization: Phonetics.
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bizzyc
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Joined: 14 Dec 2009
Posts: 20
PostPosted: Wed Jan 19, 2011 7:44 pm
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Thank you very much for your help (and the new technical term "dipthongy" which I will re-use contantly! Very Happy)

I'm afraid this was the only representation I have of the word as it came from a practice sheet in class. I think practice is just the key to this.

We had an in-class test today focusing on spectrograms which is why I was looking to see whether I was getting the hang of it. I'll be speaking with my professor later on in the week to discuss the difficulties I have with these further. Smile
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