Spatial audio - Artificial reverberation : Convolution (or sampling) approach

Convolution (or sampling) approach
Spatial audio - Artificial reverberation

Author : Thibaut CARPENTIER

Publication date: February 10, 2023 | Lire en français

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3. Convolution (or sampling) approach

Anatomy of an impulse response

In an acoustic propagation environment such as a room, the transmission channel between a transmitter and a receiver can, to a first approximation, be considered as a linear, time-invariant system. This system is therefore entirely characterized by its impulse response h(t), which relates the transmitted signal x(t) to the received signal y(t) by :
$y (t) = \int_{0}^{\infty} x (t - u) h (u) d u$

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Convolution (or sampling) approach

(1) - AHNERT (W.), FEISTEL (R.) - EARS Auralization Software. - In: Proc. of the 93 ^rd Convention of the Audio Engineering Society (AES), San Francisco, CA, USA (1992).
(2) - ALLEN...

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