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dsp的语音录播和回放程序，可以实时输入和输出，也可以线性输出。可在ccs上直接运行。-dsp voice recording and broadcasting and playback program that can real-time input and output can also be linear output. Can be run directly on ccs.

QT写得按键事件处理程序，适合初学者学习参考，qt的事件处理机制-QT key event handler written for beginners learning reference, event handling mechanism qt of