Change playback volume. Change the amount of memory allocated for double-buffered playback. Change the default playback sampling rate for sounds with unknown sampling rates. Change the default playback bit resolution. Pre-scan µ-law and A-law files to determine the best playback scaling rate. Enable “Play a/µ-Law as 8-Bit” to modify this value. Play µ-law and A-law files as 8-bit without pre-scanning the file. Play µ-law and A-law files as interpolated 8-bit samples. Play µ-law and A-law files as 16-bit samples.