diff -ur rbook-1.3.orig/mp3 rbook-1.3/mp3
--- rbook-1.3.orig/mp3	2008-07-16 02:51:05 +0700
+++ rbook-1.3/mp3	2008-07-16 02:51:38 +0700
@@ -11,8 +11,8 @@
 # Output file name must be determined in the command line.
 
 # Default parameters:
-FREQUENCY=10.3
-BITRATE=32
+FREQUENCY=10000
+BITRATE=64
 VOLUME=1.0
 
 # Command line parsing:
@@ -33,10 +33,4 @@
    shift
 done
 
-exec 2>&1 >/dev/null
-
-# Use VBR
-# eval exec lame -S -r -s $FREQUENCY --bitwidth 8 -m m --scale $VOLUME --vbr-new -V 0 --abr $BITRATE - $file
-
-# For hardware players
-eval exec lame -S -r -s $FREQUENCY --bitwidth 8 -m m --scale $VOLUME -b $BITRATE -F -q 0 - $file
+sox -t raw -r $FREQUENCY -b -s -c 1 - -t wav -r 16000 -b -s -c 1 - 2> /dev/null | lame -b $BITRATE --scale $VOLUME -F -q 0 - $file > /dev/null 2> /dev/null
diff -ur rbook-1.3.orig/rbook.el rbook-1.3/rbook.el
--- rbook-1.3.orig/rbook.el	2008-07-16 02:51:05 +0700
+++ rbook-1.3/rbook.el	2008-07-16 02:53:53 +0700
@@ -465,8 +465,7 @@
 	  (start-process "rbook-encoding" nil
 			 rbook-mp3-program
 			 "-b" (number-to-string rbook-mp3-bitrate)
-			 "-f" (number-to-string
-			       (/ rbook-speech-sampling 1000.0))
+			 "-f" (number-to-string rbook-speech-sampling)
 			 "-v" (number-to-string rbook-mp3-volume)
 			 file)))
   (set-process-coding-system rbook-encoding-process 'raw-text 'raw-text)