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Audio Processing Object - EverybodyWiki Bios & Wiki
https://en.everybodywiki.com/Audio_Processing_Object
Audio Processing Objects (APOs) provide software based digital signal processing for audio streams in Microsoft Windows 7, 8, 8.1 and 10. An APO is a COM host object that contains an algorithm that provides a specific Digital Signal Processing (DSP) effect. Examples of APOs include graphic equalizers, reverb, tremolo, Acoustic Echo Cancellation (AEC) and Automatic …
Audio signal processing - Wikipedia
https://en.wikipedia.org/wiki/Audio_signal_processing
Audio signal processing is a subfield of signal processing that is concerned with the electronic manipulation of audio signals.Audio signals are electronic representations of sound waves—longitudinal waves which travel through air, consisting of compressions and rarefactions. The energy contained in audio signals is typically measured in decibels.As audio signals may …
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, …
Implementing Audio Processing Objects - Windows …
https://docs.microsoft.com/en-us/windows-hardware/drivers/audio/implementing-audio-processing-objects
Implementing the COM Object Audio Processing Code. You can wrap a system-supplied APO by basing your custom class on the CBaseAudioProcessingObject base class, which is declared in the Baseaudioprocessingobject.h file. This approach involves introducing new functionality into the CBaseAudioProcessingObject base class to create a customized …
Equalizer APO / Documentation Wiki / Developer …
https://sourceforge.net/p/equalizerapo/wiki/Developer%20documentation/
An APO (Audio Processing Object) is a user-space program module that is loaded by the Windows Audio Service to process the audio sample data before it is sent to the audio device driver. APOs are normally distributed and installed together with the audio driver and have to be signed to make sure that they don't circumvent any audio-related DRM measures.
windows-driver-docs/audio-processing-object …
https://github.com/MicrosoftDocs/windows-driver-docs/blob/staging/windows-driver-docs-pr/audio/audio-processing-object-architecture.md
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 ...
Auditory system - Wikipedia
https://en.wikipedia.org/wiki/Auditory_system
Auditory system. Anatomical terminology. Play media. How sounds make their way from the source to the brain. The auditory system is the sensory system for the sense of hearing. It includes both the sensory organs (the ears) and the auditory parts of the sensory system .
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. After that, it goes smoothly. It seems like a small issue but it's really annoying. Here are the technical details.
Audio Processing Object on Win7, 8.1
https://social.msdn.microsoft.com/Forums/en-US/38be2255-2ca2-404c-a2b1-f4dda974995d/audio-processing-object-on-win7-81
It currently works fine on Windows 10: it is installed by an .inf, signed with a proper kernel-mode code signing certificate and working as you plug the device. However, I cannot make it work on Windows 8.1 or 7. Clearly the audiosrv is not loading the APO COM component. It seems it doesn't like my digital signature, because if I allow unsigned ...
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