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 choi