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This article presents a comparison of spatial sound recording techniques based on scene-based and object-based audio. The study aimed to make different mixes from a recording which consists of a higher-order ambisonic microphone and spot microphones. For spot microphones simple ambisonics encoding was used, which allows panning the individual channels on an ambisonic sphere as objects. Recordings were combined in various variants of spatial resolution, mainly varying the order of ambisonics used. In the next step, a MUSHRA-like test was conducted on a panel of experts in auditory experiments. The experiment was done on headphones using a binaural rendering with three degrees of freedom provided via a head tracker. The findings suggest that the optimal immersion approach involved using individual object stimuli rendered at a 5th-order ambisonic spatial resolution. Regarding the ability to localize sounds, the combination of 3rd-order ambisonic with 5th-order objects yielded the highest performance. Overall, the outcomes of this experiment provide insights into recording and mixing techniques within the field of spatial audio.
Author (s): Kosior, Patryk; Mróz, Bartłomiej
Affiliation:
Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233, Gdańsk, Poland; Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233, Gdańsk, Poland
(See document for exact affiliation information.)
AES Convention: 156
Paper Number:241
Publication Date:
2024-06-06
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Permalink: https://aes2.org/publications/elibrary-page/?id=22587
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Kosior, Patryk; Mróz, Bartłomiej; 2024; Comparison of ambisonic and object-based spatial sound recording techniques [PDF]; Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233, Gdańsk, Poland; Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233, Gdańsk, Poland; Paper 241; Available from: https://aes2.org/publications/elibrary-page/?id=22587
Kosior, Patryk; Mróz, Bartłomiej; Comparison of ambisonic and object-based spatial sound recording techniques [PDF]; Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233, Gdańsk, Poland; Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233, Gdańsk, Poland; Paper 241; 2024 Available: https://aes2.org/publications/elibrary-page/?id=22587