Set the following properties to control how the compression codec removed keys: Min Keys: Animations with fewer than MInKeys will not lose any keys. Start at Second Key: When enabled, the codec will begin to remove keys from the second key. For example, keys 1, 3, 5 will be removed. When disabled, the codec will begin to remove keys from the first key. For example, keys 0, 2, 4 will be removed.