Opus is a royalty-free audio codec that offers high-quality audio compression for various applications. It is designed to efficiently compress audio data without significant loss in audio quality.

Opus supports both speech and general audio, making it suitable for a wide range of applications such as voice over IP (VoIP), video conferencing, streaming services, and online gaming.

One of the key features of Opus is its ability to adapt to changing network conditions. It dynamically adjusts the bitrate and encoding parameters to ensure optimal audio quality, even in situations with limited bandwidth or high packet loss.

Opus is an open standard developed by the Internet Engineering Task Force (IETF) and is supported by major web browsers and communication platforms. Its versatility, low latency, and excellent audio quality make it a popular choice for real-time audio communication over the internet.