The definition of this property set assumes that the HRTF algorithm is implemented with infinite impulse response (IIR) filters that represent the effects of an audio source at a single position.ĭigital filters typically have an initial transient response. A 3D node that supports the KSPROPSETID_Hrtf3d property set must support all three of the properties in the set. A client can send a basic-support query for an HRTF property to a 3D node to determine whether that node is capable of performing HRTF processing. Not all 3D nodes support HRTF processing. This set contains optional properties of a 3D node ( KSNODETYPE_3D_EFFECTS) on a DirectSound pin instance. The KSPROPSETID_Hrtf3d property set is used to configure the 3D head-relative transfer function (HRTF) for a DirectSound buffer.
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