Audacity

Its cross-platform compatibility across Windows, macOS, and Linux systems helped establish it as a go-to solution for hobbyists, educators, journalists, and even some professionals.

Audacity is a free, open-source digital audio editor and recording application that has become one of the most widely used tools of its kind since its debut in the late 1990s. It was originally created by Dominic Mazzoni and Roger Dannenberg at Carnegie Mellon University, where it began as a research project exploring digital signal processing and audio manipulation.

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MP1 (MPEG-1 Audio Layer I)

MP1 was designed to reduce the size of audio files while keeping decent sound quality.

MPEG-1 Audio Layer I (MP1) is an early digital audio compression format created in the late 1980s as part of the MPEG-1 standard. Developed by the Moving Picture Experts Group (MPEG), MP1 was designed to reduce the size of audio files while keeping decent sound quality.

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