Labels:text | screenshot | font | number | parallel OCR: Flag Action SND_SYNC Play the sound synchronously and return from the function call after the sound is done. SND_ASYNC Play the sound asynchronously and return as soon as the sound begins. SND_NODEFAULT Don't use any default sounds if the specified sound isn't found. SND_MEMORY Pass 1pszSoundName as a pointer to an in-memory image of a waveform. SND_LOOP Must be used with SND_ASYNC. Plays sound continuously until sndPlaySound is called with the NULL option. SND_NOSTOP Force sndPlaySound to return immediately without playing 1pszSoundName if a sound is currently playing. In this case the function will return False. Figure 1: The Windows's MMSYSTEM sndPlaySound function flags.