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I would like to capture some sound from the microphone in cpp, in order to use it in a Qt application.
So I'm looking for a multi platform library easily integrable in a Qt4 project.
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To record audio we simply create a QAudioRecorder object. audioRecorder = new QAudioRecorder(this); And setup the lists as described above. The text on the record and pause buttons are toggled depending on the state of the audioRecorder object.
A QT file is a movie file saved in the QuickTime File Format (QTFF), a multimedia container format developed by Apple. It contains one or more audio, video, or text (subtitle) tracks and typically uses the MPEG-4 codec for compression. QT files most often store movies and video clips.
Qt Audio Engine enables developers to organize wave files into discrete Sound with different play variations, group sound controls by AudioCategory categories and define attenuation models and various 3D audio settings all in one place.
Qt 4.6 introduces a new, low level suite of audio APIs in the QtMultimedia module. You can use QAudioInput to capture raw audio from a microphone.
At present, this API is implemented for Windows, Mac, and Linux (supporting PULSE and ALSA audio subsystems). Support for other platforms, including Symbian in the mobile space, is currently under development.
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OpenAL is a good, cross-platform C++ library for capturing audio.
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