Windows Softwares to Lossy Compression

Opus is an open, royalty-free audio codec engineered for versatility and efficiency. It excels in interactive applications like voice over IP (VoIP), video conferencing, and in-game chat, while also providing performance for streaming high-fidelity music.

Vorbis is a free, open-source audio compression format spearheaded by the Xiph.Org Foundation. Renowned for its high-quality audio performance and efficient compression, it serves as a viable, patent-unencumbered alternative to proprietary codecs.