Max MSP/Envelope/Understanding Ambisonics

 

San Fransisco firm Envelop have created a a multi touch controller for spatializing sound called The Sensel Morph. This controller allows for real time sound movement within the Envelop venue.  This space is 3rd order ambisonics system, mediated by Max for Live.

B-Format is 1st order which encodes the directional information of a given three-dimensional sound field to four channels called W, X, Y, Z

Ambisonics can be extended to higher orders by ‘increasing the size of the sweet spot in which the sound field is accurately reproduced as well as the overall quality of localization.’  This means that a number of channels will need to be added – 2nd order: 5 additional channels, 3rd order: 7 additional channels.

 

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