Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Optimal Determination of the Truncation Point of Room Impulse Responses
A theoretically obtained optimal Truncation Point (TP) in the Room Impulse Response (RIR) is located at the intersection of the main decay slope and the noise floor. Precise determination of this point is difficult in practice. Namely, the deviation of the RIR decay from the exponential decay can lead to discrepancies in the determined TP from the optimal value. In order to increase the accuracy of TP determination, additional terms are incorporated in a simple algorithm. Besides, iterative algorithm for RIR truncation is proposed. These are compared with the existing one, using simulated and measured RIRs. The results confirm the validity of the proposed algorithms, indicating their advantages. In addition, the influences of the response parameters on RIR truncation are investigated.
Optimal Determination of the Truncation Point of Room Impulse Responses
A theoretically obtained optimal Truncation Point (TP) in the Room Impulse Response (RIR) is located at the intersection of the main decay slope and the noise floor. Precise determination of this point is difficult in practice. Namely, the deviation of the RIR decay from the exponential decay can lead to discrepancies in the determined TP from the optimal value. In order to increase the accuracy of TP determination, additional terms are incorporated in a simple algorithm. Besides, iterative algorithm for RIR truncation is proposed. These are compared with the existing one, using simulated and measured RIRs. The results confirm the validity of the proposed algorithms, indicating their advantages. In addition, the influences of the response parameters on RIR truncation are investigated.
Optimal Determination of the Truncation Point of Room Impulse Responses
Ćirić, Dejan G. (Autor:in) / Milošević, Miroslava A. (Autor:in)
Building Acoustics ; 12 ; 15-29
01.01.2005
15 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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