This topic pertains only to application development in C and C++. See DirectSound Visual Basic Samples.

Description

The FullDuplexFilter program demonstrates how to use DirectSound to implement full duplex audio and a filter.

A microphone or other audio input is required.

Path

Source: (SDK root)\Samples\Multimedia\DSound\Src\FullDuplexFilter

Executable: (SDK root)\Samples\Multimedia\DSound\Bin\FullDuplexFilter.exe

User's Guide

Highlight a format for the input buffer and then one for the output buffer. Click OK.

The program then shows a dialog box where you can enable the optional filter and start capture and playback.

Programming Notes

The sample is designed primarily to show the proper sequence of steps for dealing with the sound devices installed on the system for using full-duplex audio with waveIn as an input source and DirectSound as the output device.