 Extension
ExtensionReturn the Magnitude of Active Energy Vector, ||Wa||, of a first order ambisonic (B-format) signal.
| in | The B-format signal, an array: [w, x, y, z] | 
| size | Analysis filter kernel size. NOTE: For method:  'instant', must be a power of 2. | 
| method | The Soundfield analysis method: 
 Please see discussion of method here. | 
Please see various examples here.