 after its creation using
<B>src_new</B>.
This should be called whenever a sample rate converter is to be used on two 
separate, unrelated pieces of audio.
</P>

<A NAME="SetRatio"></A>
<H3><BR>Set Ratio</H3>
<PRE>
      int src_set_ratio (SRC_STATE *state, double new_ratio) ;
</PRE>

<p>
When using the <B>src_process</B> or <B>src_callback_process</B> APIs and 
updating the <B>src_ratio</B> field of the <B>SRC_STATE</B> struct, the library
will try to smoothly transition between the conversion ratio of the