[Speex-dev] Cpu bandwidth for Speex on Win32 platforms

Jay Huang jhuang at tjnet.com
Wed Oct 6 11:58:10 PDT 2004


I try to use Speex codec into Win32 platforms. However, I find the CPU bandwidth usage is very heavy on a Pentium 3 machine. Compare to Microsoft's G723.1 codec, speex 8k is using more than 20% cpu bandwidth. 

Does anyone know what is the best version of Speex to "beat" the Microsoft's G723.1's on CPU bandwidth usage? Does Speex have MMX-enabled codes?

thanks very much,

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