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Cepstral Domain Postprocessing Leads to Better Evaluation of the Loudspeakeer Impulse Response Measured in Reverberant Rooms

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The measurement of loudspeaker impulse response (IR) was extended to lower frequencies via cepstral analysis techniques in the authors' previous work. As a continuation, signal modelling techniques in the cepstral domain are employed leading to reliable measurements at even lower frequencies. The IR of the reflection process is estimated and extracted from the measured complex cepstrum. Further enhancement of the results is achieved by iterating the proposed method between time and depstrum domains.

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