Which of the following describes an analogue audio format?

An analogue audio format is characterized by its ability to represent sound waves in a continuous form, capturing the nuances of the audio in a way that approximates the original sound. This format does not rely on discrete units like digital formats do, making it inherently different.

The option that mentions dependency on file size accurately reflects a digital audio format, where data compression and file management are significant concerns. However, analogue formats do not operate within the constraints of file size; rather, they represent audio signals continuously and are generally recorded on physical media such as vinyl records or magnetic tape.

In analogue formats, the quality and fidelity of the sound are not determined by file size, which is a concept intrinsic to digital audio. This understanding establishes a clear distinction between analogue and digital formats, clarifying why the choice about dependency on file size aligns more with digital audio formats.