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1.3 Overview

This section provides a high-level overview of the operation of the Remote Desktop Protocol: Audio Input Redirection Virtual Channel Extension. The purpose of this protocol is to transfer audio data from a Remote Desktop Protocol (RDP) client to a Remote Desktop Protocol (RDP) server, hereinafter referred to as client and server, respectively. For example, an application running on a server may request to record audio data. This data will be transferred from the client to the server, allowing a server application to record from an audio device installed on the client.

The protocol is divided into three main sequences:

Initialization sequence: The server and client exchange versions and audio formats, and begin recording.

Data transfer sequence: The client sends audio data to the server.

Format change sequence: The server requests a new audio format, and the client confirms this request.

 
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