diff -ru audacity-src-1.1.1-3/src/export/ExportMP3.cpp /var/tmp/portage/audacity-1.1.1/work/audacity-src-1.1.1-3/src/export/ExportMP3.cpp
--- audacity-src-1.1.1-3/src/export/ExportMP3.cpp	2002-11-11 00:58:21.000000000 -0600
+++ /var/tmp/portage/audacity-1.1.1/work/audacity-src-1.1.1-3/src/export/ExportMP3.cpp	2003-01-15 00:30:29.000000000 -0600
@@ -190,6 +190,7 @@
          /* function pointers to the symbols we get from the library */
          lame_init_t* lame_init;
          lame_init_params_t* lame_init_params;
+         lame_encode_buffer_t* lame_encode_buffer;
          lame_encode_buffer_interleaved_t* lame_encode_buffer_interleaved;
          lame_encode_flush_t* lame_encode_flush;
          lame_close_t* lame_close;
@@ -259,6 +260,10 @@
                                                                          "get_lame_version");
             lame_init_params = 
                (lame_init_params_t *) wxDllLoader::GetSymbol(libHandle, "lame_init_params");
+
+            lame_encode_buffer =
+                (lame_encode_buffer_t *) wxDllLoader::GetSymbol(libHandle,
+                                                          "lame_encode_buffer");
             lame_encode_buffer_interleaved =
                 (lame_encode_buffer_interleaved_t *) wxDllLoader::GetSymbol(libHandle,
                                                           "lame_encode_buffer_interleaved");
@@ -294,6 +299,7 @@
             if (!lame_init ||
                 !get_lame_version ||
                 !lame_init_params ||
+                !lame_encode_buffer ||
                 !lame_encode_buffer_interleaved ||
                 !lame_encode_flush ||
                 !lame_close ||
@@ -346,6 +352,22 @@
             mOutBufferSize);
       }
 
+
+
+      int EncodeBufferMono(short int inbuffer[], unsigned char outbuffer[]) {
+         if(!mEncoding) return -1;
+
+         return lame_encode_buffer(mGF, inbuffer,inbuffer, mSamplesPerChunk,
+            outbuffer, mOutBufferSize);
+      }
+
+      int EncodeRemainderMono(short int inbuffer[], int nSamples,
+                        unsigned char outbuffer[]) {
+         return lame_encode_buffer(mGF, inbuffer, inbuffer, nSamples, outbuffer,
+            mOutBufferSize);
+      }
+
+
       int FinishStream(unsigned char outbuffer[]) {
          mEncoding = false;
          int result = lame_encode_flush(mGF, outbuffer, mOutBufferSize);
@@ -425,6 +447,7 @@
          /* function pointers to the symbols we get from the library */
          lame_init_t* lame_init;
          lame_init_params_t* lame_init_params;
+         lame_encode_buffer_t* lame_encode_buffer;
          lame_encode_buffer_interleaved_t* lame_encode_buffer_interleaved;
          lame_encode_flush_t* lame_encode_flush;
          lame_close_t* lame_close;
@@ -556,6 +579,10 @@
             FindSymbol(connID, name, &mainAddr, &symClass);
             lame_encode_buffer_interleaved = NewMachOFromCFM(mainAddr);
 
+            MakePString(name, "lame_encode_buffer");
+            FindSymbol(connID, name, &mainAddr, &symClass);
+            lame_encode_buffer = NewMachOFromCFM(mainAddr);
+
             MakePString(name, "lame_encode_flush");
             FindSymbol(connID, name, &mainAddr, &symClass);
             lame_encode_flush = NewMachOFromCFM(mainAddr);
@@ -594,6 +621,7 @@
             if (!lame_init ||
                 !get_lame_version ||
                 !lame_init_params ||
+                !lame_encode_buffer ||
                 !lame_encode_buffer_interleaved ||
                 !lame_encode_flush ||
                 !lame_close ||
@@ -636,7 +664,7 @@
       int EncodeBuffer(short int inbuffer[], unsigned char outbuffer[]) {
          if(!mEncoding) return -1;
 
-         return lame_encode_buffer_interleaved(mGF, inbuffer, mSamplesPerChunk,
+         return lame_encode_buffer_interleaved(mGF, inbuffer, inbuffer, mSamplesPerChunk,
             outbuffer, mOutBufferSize);
       }
 
@@ -646,6 +674,19 @@
             mOutBufferSize);
       }
 
+      int EncodeBufferMono(short int inbuffer[], unsigned char outbuffer[]) {
+         if(!mEncoding) return -1;
+
+         return lame_encode_buffer(mGF, inbuffer, inbuffer, mSamplesPerChunk,
+            outbuffer, mOutBufferSize);
+      }
+
+      int EncodeRemainderMono(short int inbuffer[], int nSamples,
+                        unsigned char outbuffer[]) {
+         return lame_encode_buffer(mGF, inbuffer, inbuffer , inbuffer, nSamples, outbuffer,
+            mOutBufferSize);
+      }
+
       int FinishStream(unsigned char outbuffer[]) {
          mEncoding = false;
          int result = lame_encode_flush(mGF, outbuffer, mOutBufferSize);
@@ -1285,9 +1326,22 @@
       short *mixed = (short *)mixer->GetBuffer();
 
       if(lastFrame)
-         bytes = GetMP3Exporter()->EncodeRemainder(mixed, numSamples, buffer);
-      else
-         bytes = GetMP3Exporter()->EncodeBuffer(mixed, buffer);
+
+	if (stereo) {
+	  bytes = GetMP3Exporter()->EncodeRemainder(mixed, numSamples , buffer);
+	}	   
+	else{
+	  bytes = GetMP3Exporter()->EncodeRemainderMono(mixed, numSamples , buffer);
+	}
+      else {
+	
+	if (stereo) {
+	  bytes = GetMP3Exporter()->EncodeBuffer(mixed, buffer);
+	}
+	else { 
+	  bytes = GetMP3Exporter()->EncodeBufferMono(mixed, buffer);
+	}
+      }
 
       outFile.Write(buffer, bytes);
 
diff -ru audacity-src-1.1.1-3/src/export/ExportMP3.h /var/tmp/portage/audacity-1.1.1/work/audacity-src-1.1.1-3/src/export/ExportMP3.h
--- audacity-src-1.1.1-3/src/export/ExportMP3.h	2002-11-11 00:58:21.000000000 -0600
+++ /var/tmp/portage/audacity-1.1.1/work/audacity-src-1.1.1-3/src/export/ExportMP3.h	2003-01-15 00:30:29.000000000 -0600
@@ -38,6 +38,11 @@
       virtual int EncodeBuffer(short int inbuffer[], unsigned char outbuffer[]) = 0;
       virtual int EncodeRemainder(short int inbuffer[], int nSamples,
                                unsigned char outbuffer[]) = 0;
+
+      virtual int EncodeBufferMono(short int inbuffer[], unsigned char outbuffer[]) = 0;
+      virtual int EncodeRemainderMono(short int inbuffer[], int nSamples,
+                               unsigned char outbuffer[]) = 0;
+
       virtual int FinishStream(unsigned char outbuffer[]) = 0;
       virtual void CancelEncoding() = 0;