[DirectX October 2006 Documentation] Voice Host Migration (65%)

DirectPlay > DirectPlay Voice

[DirectX October 2006 Documentation] Voice Codecs (43.3333333333333%)

DirectPlay > DirectPlay Voice

[DirectX October 2006 Documentation] Voice Management Sample (28.5221571906355%)

DirectX Audio > DirectSound > DirectSound Samples

[DirectX October 2006 Documentation] Voice (19.8132183908046%)

DirectX SDK > Introducing DirectX 9.0 > Namespaces > Microsoft.DirectX.DirectInput > Enumerations