Article | REF: BR1152 V1

Spatial audio - Artificial reverberation

Author: Thibaut CARPENTIER

Publication date: February 10, 2023

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3. Convolution (or sampling) approach

3.1 Impulse response

  • 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)=0x(tu)h(u)du
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Convolution (or sampling) approach