4 elevator cars with composed stereo sound in building 83 at Microsoft.

• Floor passing sensor
• Door opening sensor

• http://www.ontrak.net/ADU208.htm

Two Signals From Each Car...

• 0:00 Full signal triggered and Voice announcement triggered “Floor 1"
• 0:05 Doors begin opening
• 0:06 Doors Finish opening
• 0:11 Doors Close 

• 0:00 Doors begin opening and Short Signal Triggered
• 0:01 Doors Finish opening
• 0:06 Doors Close 

#Rules

##Signals

• When Full Signal is triggered the entire envelope will fire
• When Short Signal is triggered the truncated envelope will fire (truncate first 5 seconds)

#Soundfiles

##Bass

• triggers every time

##LowMids

• triggers every time

##highMids_(1-4)

• play each one in numbered sequence over and over again so that the four files are triggered sequentially

##highs (1-3)

• play each one in numbered sequence over and over again so that the three files are triggered sequentially

##Plucks (1-2)

• play randomly and intersperse with not playing any plucks on some triggers (trigger one of the pluck sound every other or every third time)

#RMS and Times

for door (short signal) - truncate all of these sounds so they begin at 5 seconds

##bass

• 0 sec 0 RMS
• 5 sec 0.5 RMS / -6db
• 3 sec 0.63RMS / -4db
• 3 sec 0.5 RMS / -6db
• 2 sec 0.16 RMS / -16db
• 4 sec 0 RMS

##lowmids

• 0 sec 0 RMS
• 8 sec 0.5 RMS / -6 db
• 10 sec 0 RMS

##highmids

• 0 sec 0 RMS
• 8 sec 0.5 RMS / -6db
• 10 sec 0 RMS

##highs

• 0 sec 0 RMS
• 8 sec 0.02 RMS / -35db
• 9 sec 0 RMS

##plucks

• 0 sec 0 RMS
• 8 sec 0.45 RMS / -7db
• 9 sec 0 RMS