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Audio Processing Object Architecture - Windows drivers ...
https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/audio-processing-object-architecture
Audio processing objects (APOs), provide software based digital signal processing for Windows audio streams. An APO is a COM host object that contains an algorithm that is written to provide a specific Digital Signal Processing (DSP) effect. This capability is known informally as an "audio effect." Examples of APOs include graphic equalizers, reverb, tremolo, …
Windows 11 APIs for Audio Processing Objects - …
https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/windows-11-apis-for-audio-processing-objects
Audio Effects Discovery and Control for Effects. This topic introduces a set of new Windows 11 APIs for Audio Processing Objects (APOs) that are shipped with an audio driver. Some of these APIs enable new scenarios for Independent Hardware Vendors (IHV) and Independent Software Vendors (ISV), while other APIs are meant to provide alternatives that …
App Crash of DTS Audio Processing Object - Microsoft Community
https://answers.microsoft.com/en-us/windows/forum/all/app-crash-of-dts-audio-processing-object/e2c5ab2c-6ae0-4438-9c7a-dc18260be48d
App Crash of DTS Audio Processing Object I have experienced this issue for more than a month. Every time it happens, the sound system would sound like a weird crash for a fraction of second.
system Audio Processing Objects (sAPO) and Skype in ...
https://stackoverflow.com/questions/19236318/system-audio-processing-objects-sapo-and-skype-in-windows-8-1
I have an audio enhancement algorithm that is implemented as a system Audio Processing Object (sAPO) that was developed and tested successfully in Windows 7. As an APO, it applies processing to all audio stream through an end point device, including audio originating from Skype. QUESTION:
getting this issue please help - Microsoft Community
https://answers.microsoft.com/en-us/windows/forum/all/getting-this-issue-please-help/442c3084-2581-49b7-b9a8-0c6c696bc6dc
Source. Controls the DTS audio processing object. Summary. Stopped working. Date 07-08-2021 18:50. Status. Report sent. Description. Faulting Application Path: C:\Windows\System32\DTS\PC\APO4x\DtsApo4Service.exe
Solved: "Controls the DTS audio processing object." task ...
https://h30434.www3.hp.com/t5/Gaming-Notebooks/quot-Controls-the-DTS-audio-processing-object-quot-task/td-p/7251527
However I noticed louder fan noise and it is because the "Controls the DTS audio processing object." task is constantly eating up around 15% of CPU usage (see screenshot). I tracked down the process and it is from DtsApo4Service.exe in System 32 -> DTS -> PC …
gRPC stopped working with APO on Windows 11 · Issue …
https://github.com/grpc/grpc/issues/28782
I have a Windows application (APP) and Audio Processing Object (APO) loaded by AudioDG.exe that communicate via gRPC: APP part that is written in C# creates server via Grpc.Core (2.43.0). APO part creates client via grpc++ (1.41.0). Server is on 127.0.0.1:20000 (I can see it's up and listening with "netstat -ano").
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