diff -Naur amr/decoder.c amr.patched/decoder.c
--- amr/decoder.c	Mon May 26 09:56:36 2003
+++ amr.patched/decoder.c	Wed Feb  2 15:00:11 2005
@@ -14,6 +14,7 @@
 #include <memory.h>
 #include "interf_dec.h"
 #include "typedef.h"
+#include "sp_dec.h"
 
 #ifndef ETSI
 #ifndef IF2
@@ -83,14 +84,22 @@
 
    /* Process command line options */
    if (argc == 3){
+     char *ifname = argv[1];
+     char *ofname = argv[2];
 
-      file_speech = fopen(argv[2], "wb");
+     if (strcmp(ofname, "-") == 0)
+       file_speech = stdout;
+     else 
+       file_speech = fopen(argv[2], "wb");
       if (file_speech == NULL){
          fprintf ( stderr, "%s%s%s\n","Use: ",argv[0], " input.file output.file " );
          return 1;
       }
 
-      file_analysis = fopen(argv[1], "rb");
+      if (strcmp(ifname, "-") == 0)
+	file_analysis = stdin;
+      else
+	file_analysis = fopen(argv[1], "rb");
       if (file_analysis == NULL){
          fprintf ( stderr, "%s%s%s\n","Use: ",argv[0], " input.file output.file " );
          fclose(file_speech);
diff -Naur amr/encoder.c amr.patched/encoder.c
--- amr/encoder.c	Mon May 26 09:57:02 2003
+++ amr.patched/encoder.c	Wed Feb  2 15:00:11 2005
@@ -121,17 +121,27 @@
    /* Process command line options */
 
    if ((argc == 5) || (argc == 4)){
-      file_encoded = fopen(argv[argc - 1], "wb");
+     char *ofname = argv[argc - 1];
+     char *ifname = argv[argc - 2];
+     
+     if (strcmp(ofname, "-") == 0)
+       file_encoded = stdout;
+     else 
+       file_encoded = fopen(ofname, "wb");
       if (file_encoded == NULL){
          Usage(argv);
          return 1;
       }
-      file_speech = fopen(argv[argc - 2], "rb");
-      if (file_speech == NULL){
-         fclose(file_encoded);
-         Usage(argv);
-         return 1;
-      }
+     if (strcmp(ifname, "-") == 0)
+       file_speech = stdin;
+     else
+       file_speech = fopen(argv[argc - 2], "rb");
+
+     if (file_speech == NULL){
+       fclose(file_encoded);
+       Usage(argv);
+       return 1;
+     }
       if (strncmp(argv[argc - 3], "-modefile=", 10) == 0){
          file_mode = fopen(&argv[argc - 3][10], "rt");
          if (file_mode == NULL){
diff -Naur amr/makefile.gcc amr.patched/makefile.gcc
--- amr/makefile.gcc	Fri Feb  8 00:00:02 2002
+++ amr.patched/makefile.gcc	Wed Feb  2 15:02:02 2005
@@ -53,7 +53,7 @@
 #
 # compiler flags (for normal, DEBUG compilation)
 #
-CFLAGS_NORM  = -O4 -DETSI
+CFLAGS_NORM  = -O4 #-DIF2
 CFLAGS_DEBUG = -g -DDEBUG -DETSI
 
 CFLAGS = -Wall  -I. $(CFLAGS_$(MODE)) -D$(VAD)
@@ -78,14 +78,14 @@
 #
 # default target: build standalone speech encoder and decoder
 #
-default: clean_all encoder decoder
+default: clean_all amrencoder amrdecoder
 
 
-encoder: $(ENCODER_OBJS)
-	$(CC) -o encoder $(CFLAGS) $(ENCODER_OBJS) $(LDFLAGS) -lm
+amrencoder: $(ENCODER_OBJS)
+	$(CC) -o $@ $(CFLAGS) $(ENCODER_OBJS) $(LDFLAGS) -lm
 
-decoder: $(DECODER_OBJS)
-	$(CC) -o decoder $(CFLAGS) $(DECODER_OBJS) $(LDFLAGS)
+amrdecoder: $(DECODER_OBJS)
+	$(CC) -o $@ $(CFLAGS) $(DECODER_OBJS) $(LDFLAGS)
 
 #
 # how to compile a .c file into a .o
@@ -114,7 +114,7 @@
 	rm -f *.o core
 
 clean_all: clean
-	rm -f encoder decoder
+	rm -f amrencoder amrdecoder
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
 encoder.o: encoder.c typedef.h interf_enc.h sp_enc.h