Subject: Re: [linux-audio-dev] [ann] unmatched - a LADSPA amp tone
From: Tim Goetze (tim_AT_quitte.de)
Date: Thu Oct 24 2002 - 17:00:14 EEST
nikodimka wrote:
>You can calculate your tranformation for the input signal S(x_i) once
>And the same transformation for S(x_i)+1 again.
>I mean two similar input signals differing in one bit of value.
>So when you have two output saignals you can calculate
>the error due to aliasing: abs( F(S(x_i)) - F(S(x_i)+1) )
>(Or is it just a trivial thing and it doesnt work and
>this is not what you discuss?)
it seems to me you're referring to what is commonly called
quantization error. quantization is rarely an issue with
32-bit float DSP, less so with doubles.
tim
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