Opus is described as 'Totally open, royalty-free, highly versatile audio codec. Opus is unmatched for interactive speech and music transmission over the Internet, but also intended for storage and streaming applications' and is a Audio Codec in the audio & music category. There are five alternatives to Opus for a variety of platforms, including Mac, Windows, Linux, Haiku and Android apps. The best Opus alternative is FLAC, which is both free and Open Source. Other great apps like Opus are Vorbis, Speex, WavPack and Apple Lossless.
FLAC stands for Free Lossless Audio Codec, an audio format similar to MP3, but lossless, meaning that audio is compressed in FLAC without any loss in quality. This is similar to how Zip works, except with FLAC you will get much better compression because it is designed...
Ogg Vorbis is a fully open, general-purpose compressed audio format for mid to high quality (8kHz-48.0kHz, 16+ bit, polyphonic) audio and music at fixed and variable bitrates from 16 to 128 kbps/channel.
Speex is a patent-free audio compression format designed for speech and also a free software speech codec that may be used on VoIP applications and podcasts.
WavPack is a completely open audio compression format providing lossless, high-quality lossy, and a unique hybrid compression mode. Although the technology is loosely based on previous versions of WavPack, the new version 4 format has been designed from the ground up to offer...
Apple Lossless (also known as ALAC) is an audio codec developed by Apple Inc. for lossless data compression of digital music.
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