The LEAD AAC Encoder is a DirectShow filter for compressing audio data using the AAC compression standard (ISO/IEC 13818-7). The AAC standard delivers high quality audio at lower bitrate compared to other audio encoding standards like ISO/MPEG Audio Layer-3; MP3.
This encoder offers both variable bitrate and constant bitrate. However, due to a limitation in the AVI multiplexer , the encoder offers constant bit rate only if it is connected to the AVI multiplexer.
Technical details for the filter are provided in the following table:
Filter Interfaces |
|
Interface ID |
IID_ILMAACEncoder |
Input Media Types |
Type: |
Output Media Types |
Type: MEDIATYPE_Audio Subtype:
|
Filter CLSID |
CLSID_LMAACEncoder |
Property Page CLSID |
CLSID_LMAACEncoderPropertyPage |
Executable |
LEncAAC.dll, DSKernel2.dll |
Filter category |
CLSID_AudioCompressorCategory |
Header |
ILEncAAC.h |
Note: Media types are defined in the LGUIDs.h header file.
Win32, x64
LEAD AAC Encoder User Interface
This filter is included as part of the following modules:
Raster .NET | C API | C++ Class Library | JavaScript HTML5
Document .NET | C API | C++ Class Library | JavaScript HTML5
Medical .NET | C API | C++ Class Library | JavaScript HTML5
Medical Web Viewer .NET
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