What is the primary goal of a source encoder in a communication system?

The primary goal of a source encoder in a communication system is to transform the original information into a form suitable for transmission, which typically involves converting it to bits. This encoding process is essential because it facilitates efficient data transmission over a communication medium. By converting various types of information — whether it's text, audio, or video — into a binary format, the source encoder prepares the data for further processes, such as compression or modulation.

While compressing data is often a function associated with source encoding, the overarching objective remains the conversion to a bitstream. This bitstream can then be properly handled by subsequent components in the communication system, ensuring that the data can be effectively transmitted, received, and understood. In contrast, encryption focuses on securing the data, while specific types of data, like audio, are typically just one of many formats the encoder might handle. Thus, the essence of the source encoder's role is fundamentally about converting information into bits for efficient processing and transmission.