Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
Audio processing objects (APOs), provide customizable software based digital signal processing for Windows audio streams.
This section contains the following topics.
- Audio Processing Object Architecture
- Implementing Audio Processing Objects
- Implementing Hardware Offloaded APO Effects
APOs were first introduced in Windows Vista and you may see references to the earlier system APOs - sAPOs. For more information, see the Custom Audio Effects in Windows Vista white paper. This white paper may reference older COM and UI development topics.