What is Upsampling?

Upsampling is the process of increasing the sample rate of an audio signal. It is known for converting audio to a higher resolution format.

The process typically involves adding additional samples between existing ones using interpolation, allowing audio to be represented at a higher sample rate, such as converting from 44.1 kHz to 96 kHz.

Upsampling emphasizes compatibility and processing accuracy, as some audio systems and plugins perform more efficiently or with fewer artifacts at higher sample rates.

While it does not add new detail to the original recording, it can help reduce issues like aliasing during further processing.

Today, Upsampling is widely used in audio production and digital signal processing, valued for its role in improving workflow flexibility and maintaining audio quality during processing stages.