终端音频调节参数结构体。
struct{ BYTE byMute; BYTE byVolume; BYTE byAudioInputDisabled; BYTE byAudioInputVolume; BYTE byRes[636]; }NET_DVR_TERMINAL_AUDIO_CTRL, *LPNET_DVR_TERMINAL_AUDIO_CTRL;
NET_DVR_TERMINAL_DETAIL_CTRL_PARAM