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line spectral frequencies

Started by auliasn April 28, 2003
dear all

i have some difficulties with some algorithms.
could anyone explain to me about the LPC and LSF (line spectral
frequencies) algorithms that are being used in AMR system? coz i've
found out in
the ETSI doc or 3GPP doc. not clear enough for me to understand it.

maybe there's some refences that i have to see online? or books?
refer to what?

plese help me...

thank you in advance.

regards,
aulia