December 2011
Intermediate to advanced
485 pages
15h 47m
English
Content preview from OS X and iOS Kernel Programming
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C H A P T E R 12
Audio Drivers
Audio devices are among the most common peripherals attached to a computer apart from storage devices. They are used for everything from voice recorders to MP3 players, headsets with microphones, security systems, and DJ and professional recording systems. Many video devices also have audio capabilities and come with their own audio drivers that allow you to use the audio features of the device independently or together with the video features, for example, a web camera with a built-in microphone. The microphone will have its own audio driver, representing the microphone in the system as an audio device that can be used independently of the camera.
Programming drivers for audio devices present a few unique challenges. ...
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