3D-Audio

ORTF-3D on VR glasses - Download the app

ORTF-3D is an ideal microphone setup for VR and 360 video, as it is capable of recording a spacious ambience. It can be rendered quite easily with the help of the suitable tools.

That's how we did it:

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"ORTF-3D": A microphone setup for 3D Audio and VR ambience recording

Development and application of a stereophonic multichannel recording technique for 3D Audio and VR

by Helmut Wittek, 2016

Fig. 1 above: ORTF-3D arrangement, in a windscreen with the cover removed

pdf of this article

Recording engineers who work with 3D sound face a difficult task when choosing a suitable recording technique. The number of channels is greater than with playback systems that operate only in the horizontal plane, so the complexity increases as well.

When a customer demands 3D audio rather than conventional 5.1 surround it may be tempting to apply solutions that are overly simple. But when a 3D recording has been made well, using a suitable recording technique, the advantages are impressively audible.

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First Order Ambisonics: The "Uncanny Valley" of 3D-Audio

It is a phenomenon, that all of a sudden recording techniques are popular again that seamed to be dead (for good reasons). With the rise of 3D-Audio, 1st order Ambisonics recording techniques are in the game again and everything we learned about them in the last 40 years seems to be forgotten...

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