[DirectX 6 Programmer's Reference] Distance Factor (100%)
DirectX Foundation > DirectSound > DirectSound Essentials > DirectSound 3-D Listeners
[DirectX 7 Programmer's Reference] Distance Factor (100%)
Microsoft DirectX 7.0 > DirectSound > DirectSound Essentials > DirectSound 3-D Listeners
[DirectX 3 Programmer's Reference] Distance Factor (76.1592741935484%)
DirectSound > DirectSound Interface Overviews > IDirectSound3DListener Interface
[DirectX 8.1 C/C++ Programmer's Reference] Distance Factor (64.8923444976077%)
DirectX 8.1 (C++) > DirectX Audio > Using DirectX Audio > 3-D Sound > DirectSound 3-D Listeners
[DirectX 8.1 Visual Basic Programmer's Reference] Distance Factor (64.8923444976077%)
DirectX 8.1 (Visual Basic) > DirectX Audio > Using DirectX Audio > 3-D Sound > DirectSound 3-D Listeners
[DirectX October 2006 Documentation] Distance Factor (61.3663101604278%)
DirectX Audio > DirectSound > Programming Guide > Sounds in 3D > DirectSound 3D Listeners
[DirectX October 2006 Documentation] distance - HLSL (19.0454545454545%)
DirectX Graphics > Direct3D 9 > Reference > HLSL Shader Reference > HLSL Intrinsic Functions