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This filter determines whether there is sound or silence. The filter uses a threshold: signal levels above this threshold are considered sound and levels below this threshold are considered silence.
Notifications are passed via a user callback.
The filter has both user and programming interfaces.
Filter Interface(s) |
ILMADet, ILMADetUserCallback, ILMADetUserCallback2, ILMMCommon |
Interface ID |
IID_ILMADet |
Input/Output Media Types |
MEDIATYPE_Audio Subtypes: MEDIASUBTYPE_PCM |
Filter CLSID |
CLSID_LMADet |
Property Page(s) CLSID |
CLSID_LMADetPropertyPage |
Filter category |
CLSID_ltmmAudioProcessorCategory |
Executable |
LMADet2.dll, DSKernel2.dll |
Header |
ILMADET2.h |
Win32, x64
You need to unlock the LEAD Audio Detection Filter (2.0) to use it in RELEASE mode.
For more information, refer to:
Evaluation Mechanism Overview.
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