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Recording audio and Cepstral features, codec GSM

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duvi
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Joined: 2008-08-11
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Hi everyBody,

I'm a new user of this website. I don't know if I post in the right subsection, however, I would like to know if it is possible to record an audio file in the PCM format in most of the GSM (nokia s40 for example). In fact, I need to extract cepstral features from speech, and so far, I haven't seen the possibility of recording such a file. So do you know how to extract theses cepstral features ?
In fact, there is another way to extract it thanks to the GSM codec. But, I don't know if there is a function to get the result of the encoding process on J2ME platform.

Thank you very much, it's quite important for the feasability of a big project.

Duvi