Re: [slightly OT] Re: Calculation of filter coefficients given characteristic

From: Sampo A Syreeni (ssyreeni@cc.helsinki.fi)
Date: Tue Nov 23 1999 - 19:33:38 EST


On Mon, 22 Nov 1999, Dana Massie wrote:

>There have been a number of articles in the DSP literature on variable
>filters. Constandinides, Mitra, Regalia, and others have published about
>this. There are a few articles in AES, but frankly, I have never seen
>anybody analyze simple linear interpolation of filter coefficients.

How about in the speech compression/linear prediction literature? Speech
compression almost invariably uses linear prediction with interpolation
between frames, so IIR coefficient interpolation analyses turn up each time
somebody suggests a new filter structure.

Sampo Syreeni <decoy@iki.fi>, aka decoy, student/math/Helsinki university



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