The opcodes that one can use for panning and spatialization are hrtfer, locsend, locsig, pan, space, spat3d, spat3di, spat3dt, spdist, spsend, vbap16, vbap16move, vbap4, vbap4move, vbap8, vbap8move, vbaplsinit, vbapz, and vbapzmove.