This control type and the following two control types will only work when decoded and displayed internally in the SDK, and are only supported by Windows.
NET_SDK_PLAYCTRL_STOPAUDIO
8
Stop speech, only supported by Windows
NET_SDK_PLAYCTRL_AUDIOVOLUME
9
Adjust the voice volume. At this time, the voice adjustment is realized through the dwInValue parameter in the NET_SDK_PlayBackControl function. The volume range is 0~0xFFFF. It is only supported by Windows.
NET_SDK_PLAYCTRL_SETPOS
10
Playback progress, calculated in seconds from January 1, 1970