UC San Diego

Although several methods have been proposed for impulse response measurement in acoustic spaces, there is no ideal one. Each responds differently to environmental noise present in the space being measured. Here a novel technique using complementary sequences is proposed, which offers improved accuracy over the commonly used methods under certain noise conditions. This method is compared with existing methods in the presence of several different noises, focusing on situations where the amplitudes of the noises are comparable to that of the measuring signal. Musical applications of the impulse responses generated by the new method are presented, focusing on their use in artificial reverberation. A library of impulse responses that have been created using this technique is discussed