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When creating interactive music for games, it can be very useful to time the changes in music with the tempo and meter of the music that is playing. The time settings for your music objects allow you to specify the tempo and meter of the original pieces of music you imported into Wwise. These settings help to label the music objects in Wwise so that you can more easily define sync and transition points for your music.
Along with tempo and time signature, you can also use the grid settings to specify an arbitrary method by which the Music Segment can be virtually partitioned. By adding another level of granularity to the Music Segment, you have a great deal of flexibility to determine sync points for music transitions, state changes, and Stingers.
You can define the time settings for segments, Music Playlist Containers, and Music Switch Containers.
To define the time settings for music objects:
Load a top-level music object into the Property Editor.
If the music object is not a top-level object, you must select the Override parent option before you can define the Time Settings for this object.
In the Tempo text box, specify the tempo, in beats per minute, of the original piece of music.
In the Time Signature text boxes, specify the number and length of beats to the bar for the original piece of music.
From the Frequency list, select an additional method by which your Music Segment can be partitioned, for example, every 4 bars, beat, whole note, and so on.
If you want to create an offset to the frequency value, select a pre-defined option from the list or create a custom offset by selecting Custom and typing a value (in milliseconds) in the corresponding Offset text box.
The Grid settings, both Frequency and Offset, add another level of granularity to the music object, giving you a great deal of flexibility to determine sync points for music transitions, state changes, and Stingers.