[Qt-interest] Audio Input and Output at atime

[Ross Bencina]

On 3/09/2011 6:56 PM, arun kumar wrote:
 > I am developing one application for audio processing,I found some 
classes
 >
 > QAudioOutput Interfaces for sending audio data to an audio output device
 >
 > and
 >
 > QAudioInput Interface for receiving audio data from an audio input device
 >
 > In my application how to do this at a time, need to play Microphone
 > voice to speaker at a time

If you are looking for a portable solution, especially in the case of 
full-duplex audio, I think you should consider using PortAudio. 
PortAudio has native support for full-duplex audio streams.

http://www.portaudio.com

I use portaudio without problems in conjunction with Qt.

(Disclaimer: I'm the technical lead at portaudio :)

Ross.