There are many methods for deriving multichannel room impulse responses (RIR) when reference RIRs are provided. Previous articles focused on a method for synthesizing the early part of the process, dominated by discrete reflections, and a method for synthesizing the late part of the process, dominated by statistical diffuse reverberation. In order to take advantage of their respective benefits, these two approaches can be combined with a simple windowing technique with a variable transition point. Objective and subjective evaluations confirm the validity of the RIR synthesis methods and the method of combination.
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