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The primary duty of an exception handler is to get the error out of the lap of the programmer and into the surprised face of the user. Provided you keep this cardinal rule in mind, you can't go far wrong. |
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I can suggest using aplay and arecord to use your alsa devices for playing and recording sound. Unless you have a hardware mixer on your sound card, only one application can have it open at a time, which is usually ALSA or the pulseaudio server.
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