Speex is described as 'patent-free audio compression format designed for speech and also a free software speech codec that may be used on VoIP applications and podcasts'. There are three alternatives to Speex for Windows, Linux, Mac, Winamp and foobar2000. The best alternative is Vorbis, which is both free and Open Source. Other great apps like Speex are Opus Interactive Audio Codec (Free, Open Source) and TAK (Free).
- 3 alternatives
- Opus is a totally open, royalty-free, highly versatile audio codec. View 7 alternatives to Opus Interactive Audio Codec
- Free • Open Source