Filter_AMR_Encoder Field

LEAD AMR Encoder string constant

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<MarshalAsAttribute(UnmanagedType.U1 Or  _
    UnmanagedType.LPStr)>
Public Const Filter_AMR_Encoder As String

'Usage
 
Dim value As String
 
value = Constants.Filter_AMR_Encoder

[MarshalAsAttribute(UnmanagedType.U1 | 
    UnmanagedType.LPStr)]
public const string Filter_AMR_Encoder

[MarshalAsAttribute(UnmanagedType.U1 | 
    UnmanagedType.LPStr)]
public:
const String^ Filter_AMR_Encoder

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

Target Platforms

Reference

Constants Class
Constants Members