Set their “Sequence Type” to “Playlist”.These two Cues are then added to a Polyphonic Cue, where the amount of dry and wet traffic is determined by the value of the RainPower AISAC. By adjusting the “Pre-delay Time” of each Cue with the DayTime AISAC, we can control the number of vehicles at day and at night. We will add a “ Wet Traffic” layer when the value of the RainPower AISAC increases, while the DayTime AISAC will control the amount of traffic we will ear during the day.įirst, we need to create two Cues of type “Random no repeat”, one for “ Dry Traffic” and the other for “ Wet Traffic”. While they will be quiet at night, you will only ear scattered bird sounds during the morning, that will slowly increase for the two other layers, until the birds all fall asleep again at the end of the day.įinally, let’s add some vehicle traffic that will also react to our AISACs. With the DayTime AISAC, we will put the focus on different layer for each moment of the day. This time, we want the bird tracks to react differently depending on the AISAC values.īy increasing the RainPower for example, the whole Cue will quickly fade-out because birds tend to be quieter when it is raining. ![]() Our bird sound is made in the exact same manner than the Rain sound: a polyphonic Cue with 3 Tracks containing different looping Wave Regions. Now that we have designed the two main layers of our ambience, we want to add an environment sound that will be driven by both the “ DayTime” and “ RainPower” AISACs. As for the Background Cue, assign an AisacControl (this time call it “ RainPower”) that will control the volume of each Track.Drag and drop each loop on the corresponding Track.Add 3 tracks: “ Light”, “ Medium”, “ Strong”. ![]() Make sure that the “Loop Type” is also set to “Loop”. Select the Rain loops in the Materials Tree, and in the Inspector set the “Override Loop Information Flag” to “True”.The difference here is that the Waveform Regions are set to loop by themselves, instead of using a Sequence Loop. The rain system is also implemented as a Polyphonic Cue, with each Track’s volume controlled by our AISAC. We will now create a very basic rain system, consisting of three loops “ Light”, “ Medium”, “ Strong” that will also be driven by an AISAC. Now, when you play this Cue, you will be able to transition between different ambiences, based on the time of the day (i.e., the value of the AisacControl).Then, for each period of the day, create curves that will crossfade between each other.In our Polyphonic Cue, assign the DayTime Aisac to each track in order to control their volume.In the Project Tree, rename an AisacControl as “ DayTime”.Now we will manage the transition between each Track based on the time of the day. Play each track individually to ensure that everything is looping seamlessly!.Once every track of your main Cue is ready, create a “Sequence Loop” with the “End Time” set to 2000ms. ![]()
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