Subjective assessment of different stereophonic or multichannel techniques usually suffers from the different diffuse field sensitivity of the tested microphone setups. Although distance correction factors for gradient transducers in the diffuse sound field are well known, they are not sufficient to model multichannel microphone arrays. Thus correction factors for gradient transducers at an angle as well as for MS pairs are proposed, and the benefits of corrected microphone setups are investigated.
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https://aes2.org/publications/elibrary-page/?id=13486
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