Stock audio refers to pre-recorded sound clips that can be licensed for use in various media projects, such as videos, podcasts, and presentations. These audio files can include music tracks, sound effects, and voiceovers, allowing creators to enhance their content without needing to produce original audio. Typically available through online platforms, stock audio can be purchased or downloaded for free, depending on the licensing terms. This resource is popular among filmmakers, content creators, and advertisers who seek high-quality audio to complement their work while saving time and resources.