Thus Lippman can broadcast the living room set data only once in a single burst -- not continuously as is normal -- updating only when the scene or light shifts.

• 这样一来，利普曼只需偶尔传送客厅那组数据，而不用像平常那样连续不断地传送这组数据，只有当场景或灯光发生变化时进行更新。