HOA_ACN_4 Numbered high order ambisonics (HOA) Ambisonic Channel Number (ACN) 4. DeclarationHOA_ACN_4 See AlsoNumbered High Order Ambisonics ACN ChannelsHOA_ACN_0HOA_ACN_1HOA_ACN_2HOA_ACN_3HOA_ACN_5HOA_ACN_6HOA_ACN_7HOA_ACN_8HOA_ACN_9HOA_ACN_10HOA_ACN_11HOA_ACN_12HOA_ACN_13HOA_ACN_14HOA_ACN_15