[Speex-dev] interpolation of LSFs and bandwidth expansion

Monty xiphmont at xiph.org
Sun Jan 16 22:18:39 PST 2005

> from speex codes, i see that stability of LSFs is enforced
> each time using the function lsp_enforce_margin. 

Enforcing LSF spacing isn't about filter stability, it's about
representational stability and avoiding computational
overflow/underflow.  The filter as represented is still stable.


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