ResearchBenchmarksSteering Vector Upmixing on 30 simulated rooms DRT60Steering Vector Upmixing on 30 simulated rooms DRT60Follow20Directivity Index (DI) [dB]HOA9.612.31517.7Feb 18, 2026Evaluation resultsMethodMethodLinksDirectivity Index (DI) [dB]3-dB Beamwidth (BW) [°]Speech Level (SL) [dB]HOASpatial Representation...Spatial Representation=HOA2026.022024-11.2SIRUPSpatial Representation...Spatial Representation=Upmixed2026.0219.824-9.5FOASpatial Representation...Spatial Representation=FOA2026.021030-0.9