diff -Nur audacity-src-1.3.2-beta-orig/src/export/ExportMP3.cpp audacity-src-1.3.2-beta/src/export/ExportMP3.cpp
--- audacity-src-1.3.2-beta-orig/src/export/ExportMP3.cpp	2006-10-29 01:05:27.000000000 +0200
+++ audacity-src-1.3.2-beta/src/export/ExportMP3.cpp	2007-02-24 01:29:37.000000000 +0100
@@ -370,7 +370,7 @@
 
          lame_set_num_channels(mGF, channels);
          lame_set_in_samplerate(mGF, sampleRate);
-         lame_set_out_samplerate(mGF, sampleRate);
+         lame_set_out_samplerate(mGF, 0);
 
          lame_init_params(mGF);