<DIV><BR>I'm a developer and doing echo cancel.I just want to ask:</DIV>
<DIV>In this function </DIV>
<DIV>speex_echo_cancellation(SpeexEchoState *st, const spx_int16_t *in, const spx_int16_t *far_end, spx_int16_t *out)</DIV>
<DIV>the param "in","far_end" and "out" are encoded data or decoded data?</DIV>
<DIV> </DIV>
<DIV>thank you very much!</DIV><br><!-- footer --><br><span title="neteasefooter"/><hr/>
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