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Creation of Immersive-Sound Content by Utilizing Sound Intensity Measurement. Part 1, Generating a 4-pi Reverberation

Capturing and reproducing 4-pi spatial sound is an important factor for creating immersive sound content. How-ever, less tools are provided currently. Therefore, the authors propose an effective production scheme which in-cludes practical solutions for capturing, restoring and editing a 4-pi reverberant field by a simple measurement of sound intensities. In this Part 1, the method to capture and regenerate 4-pi reverberation, named “VSVerb,” is in-troduced. Because the reverberation is generated by using acoustic information of virtual sound sources which are detected from measured on-site sound intensities, the VSVerb provides high S/N performance and enables to adjust various acoustic parameters with no additional measurements. Flexible functions of the VSVerb contrib-ute to post-production work efficiently, which is introduced in the Part 3.

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