Kramer KDS-EN4 Video Encoder KDS - EN4 is an H.264 encoder for HDMI signals up to 1920x1080p @ 60 Hz. It provides high quality and rich end - to - end video and audio over IP. The KDS-EN4 includes AVC support for H.264 / MPEG-4 and AAC codec, open encoding that enables decoding by VLC® Player software