GetPreviousTick
Description
Returns the VoiceData of the previous tick and decrements the internal tick count by one
Recently Added
This was recently added in version (0.8 - DEV).
Arguments
1boolean directData = false
If true it will return the VoiceData itself instead of creating a copy
If you modify it you will change the VoiceData stored in the stream!
Returns
1VoiceData voiceData
Copy of the internally stored VoiceData for the previous tick or
nil if the previous tick had no VoiceData