[DirectX 5 Programmer's Reference] Mono and Stereo Sources (100%)

DirectX Foundation > DirectSound > DirectSound Essentials > DirectSound in 3-D

[DirectX 6 Programmer's Reference] Mono and Stereo Sources (100%)

DirectX Foundation > DirectSound > DirectSound Essentials > DirectSound in 3-D

[DirectX 3 Programmer's Reference] Mono and Stereo Sources (71.3438735177866%)

DirectSound > DirectSound Overview > Three-Dimensional Sound

[DirectX October 2006 Documentation] Mono (18.7417654808959%)

DirectX SDK > Introducing DirectX 9.0 > Namespaces > Microsoft.DirectX.DirectSound > Structures > Speakers > Properties