audio filter

An **audio filter** is a tool or effect used in audio processing to selectively enhance or suppress certain frequencies within an audio signal. Audio filters are essential in music production, sound design, and broadcasting to shape the tone, remove unwanted noise, or create creative effects. Common types of audio filters include low-pass, high-pass, band-pass, and notch filters, each serving different purposes in refining sound quality. Use this tag to categorize posts related to audio filtering techniques, plugins, hardware, and tutorials.