The combination of working and playing with multimedia has found its way into modern media and computer culture through the use of various hardware and software systems which combine in a multitasking environment to bring you an experience that seamlessly involves media types. Within media production, a local area network (or LAN) is a powerful tool that allows multiple computers to be linked within a production facility. Internet browsers transmit and receive information on the web via a Uniform Resource Locator (URL) address. Digital audio is obviously a component that adds greatly to the multimedia experience. Direct Streaming Digital (DSD) was a joint venture between Sony and Phillips for encoding audio onto the Super Audio CD (SACD). The central idea behind perceptual coding is the psychoacoustic principle that the human ear will not always be able to hear all of the information that's present in a recording.