LEAD Audio Detection Filter (2.0)

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
IID_ILMADetUserCallback
IID_ILMADetUserCallback2

Input/Output Media Types

MEDIATYPE_Audio

Subtypes:

MEDIASUBTYPE_PCM
MEDIASUBTYPE_WAVE

Filter CLSID

CLSID_LMADet

Property Page(s) CLSID

CLSID_LMADetPropertyPage

Filter category

CLSID_ltmmAudioProcessorCategory

Executable

LMADet2.dll, DSKernel2.dll

Header

ILMADET2.h

Platforms

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.

Help Version 20.0.2020.3.31
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