Spatial audio/ambisonics

[svgeesus]

Ambisonic (4D W X Y Z) spatial audio, independent of number of speakers used to realize it.
Important abstraction to promote hardware independence as well as audio fidelity and content reuse.
https://en.wikipedia.org/wiki/Ambisonics
https://github.com/google/spatial-media
https://www.asoundeffect.com/ambisonics-primer/

[svgeesus]

Ambisonic to binaural headphone decoder, written in Web Audio API
https://github.com/GoogleChrome/omnitone

[dontcallmedom]

Fwiw, this was identified as an important evolution needed for improving audio support on the web for VR during the VR Workshop.

[svgeesus]

Issues for Web Audio V2 expected to include spatial audio. Related issues:

• HRTF Database for Spatial Panner
• ConvolverNode is limited to two channels

[dontcallmedom]

moving to incubation given ongoing discussions in WebAudio

[svgeesus]

Discussion at Audio f2f2 2021 work is ongoing.