An intake manifold is disclosed. An apparatus includes an encoder for encoding at least a portion of a picture using a block segmentation process performed on a pixel difference of at least two predictors for the portion. The encoder is used to encode the video stream and the audio stream to an audio and video stream signal. The float and seat assembly further includes a seat assembly positioned in the chamber of the burrette and configured to cooperate with the float to manage a flow of fluid through the outlet connection of the chamber. The present invention also discloses a display substrate and a display apparatus.