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Filter_AMR_Encoder Field
Summary
LEAD AMR Encoder string constant
Syntax
[MarshalAsAttribute(UnmanagedType.U1 |UnmanagedType.LPStr)]public const string FilterAMREncoder
<MarshalAsAttribute(UnmanagedType.U1 Or _UnmanagedType.LPStr)>Public Const FilterAMREncoder As String
[MarshalAsAttribute(UnmanagedType.U1 |UnmanagedType.LPStr)]public:const String^ FilterAMREncoder
Remarks
The LEAD AMR Encoder is a DirectShow filter for compressing audio data using AMR speech compression. The AMR speech coder consists of a multi-rate speech coder, a source-controlled rate scheme including a voice activity detector and a comfort noise generation system, and an error concealment mechanism to combat the effects of transmission errors and lost packets.
The multi-rate speech coder is a single integrated speech codec with eight source rates from 4.75 kbps to 12.2 kbps, and a low rate background noise encoding mode. The speech coder is capable of switching its bit-rate every 20 ms speech frame upon command.
Requirements
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© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
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