声音输入输出VB从麦克风读取声音再从音箱发出来，一此音频输入，音频输出，格式质量，声卡选择，音频输入缓冲区等系统操作的代码文件，为Vb编写音频处理程序作参考 -Voice input and output sound from VB to read from the speaker to the microphone and then send the code document this audio input, audio output, format quality, sound choices, such as the audio input buffer system operation for Vb audio processing procedures for the preparation of reference