What are the mel frequency cepstral coefficients

Hi everybody,
I need to know strongly what are cepstral coeeficients? I know they are calculated in FFT but I cant understand which properties of the wav audio file they are. For example there are 13 cepstral coefficients. What is the first one? Is it frequency of the speech? What is the second one? Is it the timpre of the speech??? My questions continue for 13 cepstral coefficients:)
Thank you.

Ok, I get the picture. The reason why I asked this question came up when I bought a new set of monitors (the Edirol MA-15DBK). I found out that after changing speakers (I had a set of Philips SPC-3208) the new ones were set to 0% boost/cut for bass/treble, but the sound came out quite bassy in an almost irritating level. So, I thought that maybe my card's bass levels were somewhat boosted. I guess now some lower frequencies are revealed, so I have to take care of my room acoustics. However the reviews for the Edirols gave low bass levels, so this gets more complicated. I am still in a 30-days trial, so maybe I will have a look at the Gigaworks T40 series II and I'll see what happens then...

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Kind regards
Message Edited by Hyperion on 11-14-2008 08:26 PM

Ok, I get the picture. The reason why I asked this question came up when I bought a new set of monitors (the Edirol MA-15DBK). I found out that after changing speakers (I had a set of Philips SPC-3208) the new ones were set to 0% boost/cut for bass/treble, but the sound came out quite bassy in an almost irritating level. So, I thought that maybe my card's bass levels were somewhat boosted. I guess now some lower frequencies are revealed, so I have to take care of my room acoustics. However the reviews for the Edirols gave low bass levels, so this gets more complicated. I am still in a 30-days trial, so maybe I will have a look at the Gigaworks T40 series II and I'll see what happens then...

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<Font color="Blue">
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regards,
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What are the mel frequency cepstral coefficients

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