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What is Ambisonics

Handbook of Research on the Global Impacts and Roles of Immersive Media
A spherical audio format; rather than mere left and right stereo, this technique captures audio in 360 degrees.
Published in Chapter:
Out of Our Minds: Ontology and Embodied Media in a Post-Human Paradigm
Keram Malicki-Sanchez (Constant Change Media Group, Inc., USA)
DOI: 10.4018/978-1-7998-2433-6.ch002
With the exponential development rate of technology at the start of the 21st century, humanity faces data that it alone cannot process without the aid of even more technology. As we move into a post-human era, how can immersive, spatialized, and embodied media assist us in comprehending the effects of these agents, and reconsider our past conclusions? These are media that can communicate new perspectives or run complex simulations tirelessly. They can provide the scaffolding to test our analytical reasoning and process to potentially escape our cognitive biases, develop greater plasticity, or even test new forms of embodiment. We must also consider how they can be manipulated and weaponized, and the rights of our future digital selves, as we become subsumed by data. This chapter explores ontology and embodied media in a post-human paradigm.
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Towards a Virtual Soundwalk
A complete 3D-surround sound technique for sound recording and/or sound reproduction using an arbitrary loudspeaker configuration. Although in theory any audio recording in the ambisonic format can be reproduced using any number of loudspeakers, there are strong recommendations for the system setup to achieve the best possible rendering of the sound field in a wide ‘sweet spot’. The system provides a realistic 3D illusion of aural space. Stereophonic speaker systems, such as stereo or surround systems, cannot produce the illusion of sound sources on a vertical axis. One technical challenge in recording and sound events in the ambisonic format is that special, multichannel ambisonic microphones must be used to record aural information in three dimensions. The accuracy of the spatial illusion generally depends on the number of separate recorded and playback channels.
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Spatial and 3-D Audio Systems
A 3-D audio reproduction method based on the spherical harmonic decomposition of a sound field.
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