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Ambisonic component ordering
Wwise Help
The two primary component ordering formats for ambisonics are Furse-Malham, commonly called FuMa, and Ambisonic Channel Number, commonly called ACN. As seen in the following image, the former uses a lettered notation that—following alphabetical order per grouping—starts with the W (omni) channel, moves to its lower right, then its lower left, and then its lower center; then it moves to the next order ...
The blog Ambisonics as an Intermediate Spatial Representation (for VR) explains in detail the concept of intermediate spatial (or 3D) representations. In summary, busses at the higher levels of your bus hierarchy should be configured such that they preserve 3D information so that it can be used to binauralize for headphones, or “downmix” (for lack of a better term) for speakers. This is especially ...
You can use certain Effect plug-ins, such as Auro Headphone or Resonance Audio (installed through the Audiokinetic Launcher), to convert ambisonics to a stereo configuration. In this way, you can benefit from the ambisonics format as an intermediate 3D representation of sounds and then effectively downmix the signal before it reaches the final output.To set up a binauralizer Effect ...
3D Meter
Wwise Help
The 3D Meter mode provides a 3D spherical representation of the directionality of an ambisonic signal. It calculates the Peak level at every position on the sphere. A heatmap representation is then generated from each of the positions on the sphere. The 3D meter mode is currently only available on busses that have an ambisonics bus configuration. During the decoding process, gain factors are applied ...
Audio Objects and Bus Config
Wwise Audio Lab
Bus and output configurations, when combined with Audio Objects, present different sounding results. More Info: Blog Article: Using Ambisonics for Dynamic Ambiences Wwise Documentation: Using Ambisonics Blog Article: How Audio Objects Improve Spatial Accuracy Wwise Documentation: Understanding Object-Based Audio
Ambience Doom Collection Guide
Strata Help
Ambience Doom offers a range of tones that articulate darkness, danger, and despair. The Drone subprojects are especially useful for establishing foreboding in any natural or urban ambience.The subprojects are mixed using higher order ambisonics with assets recorded in ORTF-3D. They are set up to render in a variety of common multichannel formats to suit your requirements, ranging from binaural to ...
They have items with mono or stereo source files, which are not mixed using ambisonics. Details Layer 2Depending on the ambience, there might be a Details Layer that has characteristics similar to the Basic Layer. The item source files for these are Octo 3D ORTF recordings split into four-channel files that represent positions above or below the height of the ...
They have items with mono or stereo source files, which are not mixed using ambisonics. Details Layer 2Depending on the ambience, there might be a Details Layer that has characteristics similar to the Basic Layer. The item source files for these are Octo 3D ORTF recordings split into four-channel files that represent positions above or below the height of the ...
Ambience Fire and Water Collection Guide
Strata Help
The other half of the collection features immersive ambiences of boiling and flowing water masses and waterfalls, as well as a flexible range of bubbles, drips, splashes, steam, and waves of varying size, intensity, and proximity.The subprojects are mixed using higher order ambisonics with assets recorded in 1st order AmbiX and stereo formats. They are set up to render in a variety of ...
They have items with mono or stereo source files, which are not mixed using ambisonics. Details Layer 2Depending on the ambience, there might be a Details Layer that has characteristics similar to the Basic Layer. The item source files for these are Octo 3D ORTF recordings split into four-channel files that represent positions above or below the height of the ...
Ambience Sci-Fi Collection Guide
Strata Help
Ambience Sci-Fi offers a range of environments found in space-themed science fiction worlds, from nebula to portals, planets, ships, interiors and exteriors. The subprojects are set up to allow rapid variation of perspective and intensity, from the subtle drone of distant nebula to faster-than-light warp drive tearing through spacetime. The subprojects are mixed using higher order ambisonics with ...
They have items with mono or stereo source files, which are not mixed using ambisonics. Details Layer 2Depending on the ambience, there might be a Details Layer that has similar characteristics to the Basic Layer. The item source files for these are Octo 3D ORTF recordings split into four-channel files that represent positions above or below the height of the ...
Ambience Space Station Collection Guide
Strata Help
These are a combination of one-shot and seamless loops, with multiple variations and layers to add randomized background color or foreground color.The subprojects are mixed using higher order ambisonics with assets recorded in stereo formats. They are set up to render in a variety of common multichannel formats to suit your requirements, ranging from binaural to 7.0.4, as well as multiple orders of ...
They have items with mono or stereo source files, these are not mixed using ambisonics.Details Layer 2Depending on the ambience, there might be a Details Layer that has similar characteristics to the Basic Layer. The item source files for these are Octo 3D ORTF recordings split into four-channel files that represent positions above or below the height of the listener’s ...
Ambience Warfare Collection Guide
Strata Help
Ambience Warfare provides multichannel ambience bed tracks for battles of various eras: modern, medieval, historical, and sci-fi. The tracks feature weapons, other ordnances, and vehicles of each era.The ambient bed subprojects are mixed using higher order ambisonics with assets recorded in 1st order AmbiX. They are set up to render in a variety of common multichannel formats to suit your requirements ...
They have items with mono or stereo source files, which are not mixed using ambisonics.All Basic Layer tracks use yellow custom colors, alternating between light and dark shades.Details Layer 2Depending on the ambience, there might be a Details Layer with dynamic elements of battles, like explosions or swords. The item source files for these are AmbiX recordings. Depending on the type of ambience ...
About the Wwise Sample Project
Sample Project
Dialogue—A demonstration of how to create dialogue that changes dynamically according to actions in game. Ambisonics —A demonstration of the surround sound of ambisonics through the binauralization of an Audio Bus using the Auro Headphone Effect. Music—These examples demonstrate different techniques for arranging and implementing interactive game music using pre-rendered audio ...
3D positioning illustrated
Wwise Help
Spread and relative emitter-listener rotation is identical, regardless of the configuration types.You can pan sources with standard configuration into ambisonic busses ("encode to ambisonics"), and vice-versa ("decode from ambisonics").ExamplesThe examples in the following pages illustrate various facets of the algorithm presented above: Effect of Spread Effect of orientation ...
Focus
Wwise Help
Focus, input channels always contribute to at least 2 output channels unless they are perfectly aligned.This issue does not apply with ambisonics panning, which, by design, already leaks across output channels, albeit uniformly. Therefore, Focus is ignored when the channel configuration of the source is ambisonics. Effective Panning of an Emitter Located 45 Degrees from the Listener's ...
Effect of Height Spread
Wwise Help
This is because ambisonics is a speaker-agnostic format, and the headphone or speaker setup on which it will be later decoded is unknown at the time of panning. If that setup turned out to be a planar speaker configuration, it would not benefit from Height Spread. However, ambisonics is a representation that is intrinsically smooth, and this smoothness should suffice to mitigate the artifacts that ...