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Discussion Groups | Speech Coding | augmented codebook construction in iLBC

Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)

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augmented codebook construction in iLBC - jiaq...@yahoo.com - Jul 13 22:33:00 2005

Dear all, I am wondering why, in iLBC, the augmented codebook is constructed in such a way as described in RFC3951. The base and expanded codebooks together model periodicity in the signal, but what does the augmented codebook does? Many thanks. Jiaquan

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