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Acoustic Echo Simulator
Delay line
length set to
path-length difference
:
where
c =
sound speed
T =
sampling period
Gain coefficient
set to
relative attenuation
:
typically
rounded
to nearest integer
For non-integer
,
delay line
must be
interpolated
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Download
Delay.pdf
Download
Delay_2up.pdf
Download
Delay_4up.pdf
``
Computational Acoustic Modeling with Digital Delay
'', by
Julius O. Smith III
and
Nelson Lee
,
REALSIMPLE
Project — work supported by the
Wallenberg Global Learning Network
.
Released
2008-06-05
under the
Creative Commons License (Attribution 2.5)
, by
Julius O. Smith
III and Nelson Lee
Center for Computer Research in Music and Acoustics (CCRMA),
Stanford University