SAQI comparison of CTC, Ambisonics and VBAP (vor Ort)

* Presenting author
Day / Time: 23.03.2022, 14:00-14:20
Room: 7-01.
Typ: Regulärer Vortrag
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Auralisations of complex virtual scenarios demand a reproduction technique that is able to deliver multiple perceptual aspects besides good localization and minimal coloration. Especially when auralising rooms with higher reverberation times, the importance of perceptual aspects such as envelopment and sensation of reverberation increases. Three different reproduction techniques, namely binaural Crosstalk Cancellation (CTC), Higher Order Ambisonics (HOA) and Vector-Base Amplitude panning (VBAP) are investigated. The reproduction techniques are implemented on a loudspeaker array with 12 loudspeakers distributed in a spherical segment. The array is setup in an acoustically treated room providing a realistic reproduction environment. To determine the strengths and weaknesses of the mentioned techniques, a SAQI listening test was conducted in order to determine the suitability of each reproduction method for different auralisation scenarios. The findings add up on the results regarding loudness differences and localisation performance of the reproduction techniques presented at DAGA 2019 and DAGA 2021.



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