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Rockbox $B4XO"(B $B"*(B 20051130-1$B!"(B20051128-1 2006$BG/(B01$B7n(B26$BF|!!(BLAME 3.98a3 $B$H(B LAME 3.98a2, 3.97b2 $B$NJ?6Q%S%C%H%l!<%H$NHf3S(B 20050918-1 $B$HF1$8%5%s%W%k2;8;$N%;%C%H(B ($B;d$,9%$s$GD0$$$F$$$k2;3Z$NE57?E*$JItJ,(B) $B$GJ?6Q%S%C%H%l!<%H$r7WB,$7$F$_$?!#(B $B;DG0$J$,$iJ?6Q%S%C%H%l!<%H$,(B LAME 3.98a3 $B$N(B -V5 --vbr-new $B$G$O(B 13% $B$[$I>e>:$7!"(B-V2 --vbr-new $B$G$O(B 7% $B$[$I>e>:$7$F$$$k!#DL>o$N2;3Z$G$O%H!<%s$N3d9g$O>/$J$/$J$$$O$:$J$N$G$3$l$OEvA3$N7k2L$+$b$7$l$J$$!#$7$+$7!"%P%0%U%#%C%/%9A0$N(B LAME 3.97b2 $B$N(B -V5 --vbr-new $B$,8x3+;nD0;n83$G7k9=NI$$@.@S$r<}$a$F$$$k$3$H$+$i(B strong tonal sample $B$O$^$l$G$"$k$3$H$,$o$+$k!#D9$a$N(B strong tone $B$G$O==J,$K%S%C%H$r>CHq$7!"$=$l0J30$G$O%S%C%H$r@aLs$9$k$h$&$K$9$l$P$b$&>/$78zN($,NI$/$J$k$N$G$O$J$+$m$&$+!)(B $BJdB-!!(BLAME 3.98a3 $B$G$O%G%U%)%k%H$N(B -V $B$,(B VBR-NEW $B$KEy$7$/$J$C$F$$$k!#(B 2006$BG/(B01$B7n(B24$BF|!!(BTarantella $B%5%s%W%k$G(B LAME 3.98a3 $B$H(B LAME 3.97b2 $B$rHf3S(B Tarantella $B%5%s%W%k(B$B$O(B Carbonelli $B%5%s%W%k(B$B$h$j$b$5$i$K6/NO$J(B tonal sample $B$G$"$k!#$3$N%5%s%W%k2;8;$G$b(B LAME 3.98a3 -V2 --vbr-new $B$,(B LAME 3.97b2 -V2 --vbr-new $B$h$jM%$l$F$$$k$3$H$r3NG'$G$-$k!#$?$@$7$I$A$i$b%H%i%s%9%Z%"%l%s%H$+$i$ODx1s$$!#(B Tarantella $B$OHs>o$KFq$7$$%5%s%W%k2;8;$G$"$k!#(B $B$3$l$G(B S53_WIND_Saxophone_A, Carbonelli, Tarantella $B$G(B LAME 3.98a3 $B$G$N(B VBR-NEW $B$N2;
2006$BG/(B01$B7n(B24$BF|!!%(%s%3!<%I7k2L$I$&$7$rHf3S$9$k(B ABX $B%F%9%H$N=EMW@-(B guruboolez $B;a$N8@MU$N0zMQ!#(B3.97: standard or fast standard? #18 (May 29 2005) $B$G(B guruboolez $B;a[)$/!"(B From my own experience, comparing directly two encodings is a very important step if I really want to know if both encodings really sounds different. You should also keep in mind that reference is still accessible if needed during the ABX comparison between two different encodings. At least with java ABC/HR. $B;d<+?H$N7P83$h$l$P!"(B2$B$D$N%(%s%3!<%I7k2L$N2;@\E*Hf3S$OHs>o$K=EMW$J%9%F%C%W$K$J$j$^$9!#(B 2$B$D$N%(%s%3!<%I7k2L$I$&$7$N(B ABX $BHf3S$N:GCf$KI,MW$r46$8$?$J$i$P$$$D$G$b%j%U%!%l%s%92;8;$K%"%/%;%9$G$-$k$3$H$r?4$KN1$a$F$*$/$Y$-$G$9!#>/$J$/$H$b(B ABC/HR for Java $B$G$O2DG=$G$9!#(B $BHs2D5U%*!<%G%#%*05=L$N2;2A$7$J$1$l$P$$$1$^$;$s!#%(%s%3!<%I7k2L$I$&$7$rHf3S$9$k(B ABX $B%F%9%H$K$h$C$F$=$l$i$N2;l9g$K$O%*%j%8%J%k2;8;$H$$$D$G$bD0$-Hf$Y$k$3$H$,$G$-$J$$$HITJX$G$9!#(B ABC/HR for Java $B$G$O$=$l$,2DG=$G$9!#(B guruboolez $B;a$O $B$G(B ABC/HR $B$NE@?t$@$1$G$O$J$/!"%(%s%3!<%I7k2L$I$&$7$rHf3S$9$k(B ABX $B%F%9%H$N7k2L$b8x3+$7$F$$$^$9!#:G8e$N(B2$B$D$G$O(B ABX $B$9$k$?$a$K;H$C$?:F@8HO0O$H%"!<%F%#%U%!%/%H$N35MW$b8x3+$7$F$$$k!#(B $B0J>e$N$h$&$K(B guruboolez $B;a$OI,MW$,$"$l$P!"(B ABC/HR $B$NE@?t$@$1$G$O$J$/!"%(%s%3!<%I7k2L$I$&$7$N(B ABX $B%F%9%H$N>\:Y(B ($B:F@8HO0O$H%"!<%F%#%U%!%/%H$N>pJs$b4^$`(B) $B$b8x3+$7$F$/$l$k$N$GHs>o$K?.Mj$G$-$k$7!"$7$+$b<+J,$N<*$K$h$k:F8!>Z;~$KHs>o$K;29M$K$J$j$^$9!#(B $B?.MQ$r<:$&$?$a$N4JC1$JJ}K!$O(B guruboolez $B;a$N5U$r$d$k$3$H$G$9!#2; 2006$BG/(B01$B7n(B23$BF|!!(BCarbonelli $B%5%s%W%k$G(B LAME 3.98a3 $B$H(B LAME 3.97b2 $B$rHf3S(B LAME 3.98a3 $B$G$N%P%0%U%#%C%/%9$O(B tonal sample $B$K$*$1$k(B VBR-NEW $B$N2;
$B$?$H$($P(B$B:G6a$N(B 128kbps $B$G$N8x3+;nD0;n83(B$B$G:NMQ$5$l$?(B3$BHVL\$N%5%s%W%k2;8;(B Carbonelli $B$G$O(B LAME 3.97b2 -V5 --vbr-new $B$N2;$N(B4$B$D$N%(%s%3!<%@!<$h$j$bM-0U$KNt$C$F$$$?!#$J$s$H(B Carbonelli $B$G(B LAME 3.97b2 -V5 --vbr-new $B$O(B low anchor $B$N(B Shine $B$HE}7WE*$K%?%$$N@.@S$G$"$C$?(B (Shine $B$N@.@S$b$=$&0-$/$J$$$N$GCWL?E*$J7k2L$G$O$J$$(B)$B!#$7$+$7(B LAME 3.98a3 -V5 --vbr-new $B$r;H$($P(B Carbonelli $B%5%s%W%k$G$N2;
$B$=$N$3$H$r<+J,$N<*$G3NG'$7$?$$?M$O0J2<$rD0$-Hf$Y$FM_$7$$!#(B ABC/HR $BHf3S$r9T$J$&>l9g$NCm0U!'(B $BFC$KF1$87ONs$N%(%s%3!<%@!<$N2;l9g$K$O!"%*%j%8%J%k2;8;$H%(%s%3!<%I7k2L$N(B ABX $B%F%9%H$@$1$G$O$J$/!"0[$J$k%(%s%3!<%I7k2L$I$&$7$N(B ABX $B%F%9%H$b9T$J$C$F$*$$$?J}$,NI$$!#$J$<$J$i$PF1$87ONs$N%(%s%3!<%@!<$N2;o$K;w$F$$$k$3$H$,B?$$$+$i$@!#$=$l$i$N2;e$GE@?t$rIU$1$F$$$k$3$H$r>ZL@$9$k$?$a$K$O%(%s%3!<%I7k2L$I$&$7$N(B ABX $B%F%9%H$b9T$J$o$J$1$l$P$$$1$J$$!#(B ABC/HR $BHf3S$G$OI,$:$7$b(B ABX $B%F%9%H$r6/@)$5$l$J$$$N$G!V(BABC/HR $BHf3S$G$O(B ABX $B%F%9%H$OI,MW$J$$!W$H8m2r$7$F$$$k?M$,$$$k$h$&$@$,!"<+J,<+?H$,K\Ev$K2;?M$KBP$7$F$@$1$G$O$J$/<+J,<+?H$KBP$7$F>ZL@$9$k$?$a$K$b!"(BABX $B%F%9%H$N%;%C%7%g%s$GF~G0$K9NDjE*7k2L$r=P$7$F$*$/$Y$-$G$"$k!#$b$A$m$s(B ABX $B%F%9%H$O 2006$BG/(B01$B7n(B23$BF|!!(BLAME 3.98a3 $B$N(B Changelog LAME 3.98a3 $B$G$I$3$,JQ99$5$l$?$N$+$r(B LAME Changelog (history.html) $B$GD4$Y$F$_$?!#(B LAME 3.98a3 $B$N(B history.html Revision 1.79 $B$H$=$N0l$DA0$N(B history.html Revision 1.78 $B$N(B diff $B$r8+$k$H(B Revision 1.79 $B$K$O(B $B$,DI2C$5$l$F$$$?!#(B$B%=!<%9%3!<%I(B$B$NJ}$r8+$F$_$k$H!"(B
encoder.c 1.93,
lame-analysis.h 1.12,
lame.c 1.283,
psymodel.c 1.144,
quantize.c 1.176,
quantize_pvt.c 1.133,
quantize_pvt.h 1.55,
reservoir.c 1.31,
util.h 1.144,
version.h 1.94 $B$K(B $B$H$$$&@bL@$,$"$k!#(B LAME 3.98a2 $B$^$G$N(B VBR-NEW $B$G$O%P%0$N$;$$$G(B strong tonal sample $B$G>pJs$r:o$j2a$.$F(B sandpaper problem $B$rH/@8$5$;$F$7$^$C$F$$$?$h$&$@!#$3$N%P%0$,2r>C$5$l$k$@$1$G(B tonal sample $B$G$N(B VBR-NEW $B$N2;e$,$k$3$H$K$J$k!#(B 2006$BG/(B01$B7n(B23$BF|!!(BLAME 3.98a3 $B$G(B sandpaper problem $B$,BgI}$K2~A1$5$l$?!*(B LAME $B$O(B S53_WIND_Saxophone_A.wv [936KB] $B$N$h$&$J%5%s%W%k2;8;$N8eH>$K!V>.$5$JK"$,IU$1$?!#$7$+$7:G6a%j%j!<%9$5$l$?(B LAME 3.98a3 $B$G$O(B sandpaper problem $B$,BgI}$K2~A1$5$l$F$$$k!#(B sandpaper problem $B$K4X$7$F$b(B LAME $B$O@5$7$$J}8~$K8~$+$$$D$D$"$k!#(B LAME 3.97b2$B!"(B3.98a2 $B$N(B -V2 --vbr-new $B$G$O$+$J$j$R$I$$(B sandpaper problem $B$,H/@8$9$k$N$@$,!"(B 3.98a3 $B$N(B -V2 --vbr-new $B$G$OBgI}$K2~A1$5$l$F$$$k(B ($B$7$+$7%*%j%8%J%k2;8;$H(B ABX $B2DG=(B)$B!#(B -V5 --vbr-new $B$G$NBgI}$J2~A1$b3NG'$G$-$k(B ($B$7$+$7MF0W$K%*%j%8%J%k2;8;$H(B ABX $B2DG=(B)$B!#(B -b 128 $B$K(B -q0,2 $B$rDI2C$9$k$H$=$NLdBj$,$R$I$/0-2=$7$F$7$^$&LdBj$O2r7h$5$l$F$$$J$$!#(B $B<+J,$N<*$G2~A1$r3NG'$7$?$$?M$O0J2<$r(B foobar2000 $B$J$I$GD0$-Hf$Y$F$_$FM_$7$$!#(B LAME 3.98a3 $B$G$OJ?6Q%S%C%H%l!<%H$,>e>:$7$F$$$k$3$H$,$o$+$k!#(B $B!|(B $BJdB-!!(BLAME 3.96.1 -V5 --vbr-new $B$G$b(B sandpaper problem $B$O$+$J$j$R$I$+$C$?$,!"(BLAME 3.96.1 -V2 --vbr-new $B$G$O$=$NLdBj$O@8$8$F$$$J$+$C$?!#(B $B%5%&%s%I%9%Z%/%H%m%0%i%`(B $B"*(B 20060220-1 2006$BG/(B01$B7n(B19$BF|!!(BiTunes AAC VBR $B$G%9%F%l%*A|$N0[>o$,@8$8$k%5%s%W%k2;8;(B StandUp $B4XO"(B $B"*(B hihat$B!"(BPush_and_Shove$B!"(BSinceAlways$B!"(BiTMS$B!"(B20050811 2006$BG/(B01$B7n(B18$BF|!!(BWombat $B;a$N(B dm_s $B%5%s%W%k(B ($B5W!9$N(BABX$B%F%9%H(B) $B@57n$K$R$$$?Iw $B:#$^$GHs>o$KB?$/$N%-%i!<%5%s%W%k$NH/8+$G9W8%$7$F$$$k(B Wombat $B;a$,8+IU$1$?(B Helix mp3enc $B$N%-%i!<%5%s%W%k!#(Bhttp://www.rarewares.org/mp3.html $B$+$i(B Helix mp3enc v5.1 Open Source encoder 2005-12-20 $B$r%@%&%s%m!<%I$7!"(BWonbat $B;a$N;Y;}$K$7$?$,$C$F(B $B$G%(%s%3!<%I$7$?7k2L$H%*%j%8%J%k2;8;$N(B ABX $B$KD)@o$7$F$_$?!#%l%s%8$r(B 1.6-2.1 $B$K8GDj$9$k$H$+$J$jMF0W$K(B ABX $B$G$-$?!#(B Helix hmp3.exe $B$N%"!<%F%#%U%!%/%H$,$=$lFCM-$N$b$N$G$"$k$3$H$r%A%'%C%/$9$k$?$a$K!"(B LAME 3.97b2 -V2 --vbr-new $B$H$NHf3S$b$7$F$_$?!#(B $BJ?6Q%S%C%H%l!<%H$O(B hmp3 $B$G05=L$7$?B&$O(B 261kbps $B$G$"$j!"(BLAME $B$G05=L$7$?B&$O(B 266kbps $B$G$"$k!#;d$,46$8$?%"!<%F%#%U%!%/%H$,(B Wombat $B;a$,;XE&$7$F$$$k9b<~GH$,:o$i$l$kLdBj$H4X78$7$F$$$k$+$I$&$+$O$h$/$o$+$i$J$$!#(B Low anchor $B$N(B Shine $B$@$1$7$+<1JL$G$-$J$+$C$??M$N7k2L$r=|$$$FE}7W$r 01 $B$+$i(B 18 $B$^$G$N3F%5%s%W%k$4$H$K(B 5.0 $B$HI>2A$5$l$?%(%s%3!<%@!<$N8D?t$K>e8B$r@_$1$F7k2L$rH4$-=P$7$FJ?6Q$r7W;;$7!"(BWeb Statistical Analysis of Listening Test Data $B$K$=$N$^$^E=$jIU$1$i$l$k$h$&$K@07A$7$F$*$$$?(B ($B;HMQ$7$?%9%/%j%W%H$N%@%&%s%m!<%I(B $B"*(B r.zip$B!"2~JQG[I[$OA4$F<+M3(B)$B!#$5$i$K3F%U%!%$%k$KJ,@O$N7k2L$b:\$;$F$*$$$?!#(B Shine $B$r=|$$$?;D$j$N%(%s%3!<%@!<$K$D$$$F$3$l$i$N7k2L$O
Tukey HSD analysis Blocked ANOVA analysis Nonparametric Tukey HSD analysis Friedman Analysis $B$?$@$7%F%9%H$5$l$?(B Nero $B$N(B AAC $B%(%s%3!<%@!<$O%P%0IU$-(B ($BA0H>ItJ,$@$1$rD0$$$FHf3S$9$l$PM-Mx$K$J$j!"8eH>$@$1$@$HITMx$K$J$k%P%0(B) $B$J$N$GCm0U!#(B $BI>2AE@(B5.0$B$N8D?t$r@)8B$9$k$3$H$O$h$jB?$/$N%(%s%3!<%@!<$N%"!<%F%#%U%!%/%H$rG'<1$G$-$F$$$k>l9g$@$1$r:NMQ$9$k$3$H$KEy$7$$!#$=$N$h$&$K@)8B$9$k$HD0$- $B $BI>2AE@(B5.0$B$N8D?t$r@)8B$7$F3F%5%s%W%k$4$H$NI>2AE@$rD/$a$F$_$k$H3F%(%s%3!<%@!<$NF@ $B%F%9%H$N=`Hw(B $B%F%9%H$N3+;O(B $B%F%9%H$N7k2L(B $B46A[$HCm0U$9$Y$-$3$H(B aoTuV$B!"(BiTunes AAC$B!"(BWMA Pro$B!"(BLAME $B$N$"$$$@$N2;$N(B3$B$D$h$jNt$C$F$$$k!#$7$+$7!"(BLAME $B$NJ?6Q%9%3%"$OA0 $BB>$N%5%s%W%k2;8;$G$O$=$l$i(B4$B$D$N$"$$$@M-0U$J:9$O3NG'$5$l$^$;$s$G$7$?!#A4BN$N@.@S$G$b$=$l$i(B4$B$D$N$"$$$@$KM-0U$J:9$OIU$-$^$;$s$G$7$?!#$I$l$b$[$\%H%i%s%9%Z%"%l%s%H$K6a$/$J$C$F$$$k!#M-0U$J:9$G$O$J$$$,!"J?6Q%9%3%"$N=g0L$O0J2<$N$h$&$K$J$j$^$7$?!#(B $BNc30E*$K(BLAME $B$HB>$GBg$-$/:9$,$D$$$?(B Carbonelli $B%5%s%W%k$O$$$o$f$k(B highly tonal sample $B$KJ,N`$5$l$kM-L>$J%-%i!<%5%s%W%k$N$R$H$D$G$9!#F17OE}$N$h$j6/Nu$J%-%i!<%5%s%W%k$H$7$F(B Tarantella calabrese $B$,CN$i$l$F$$$^$9!#$=$l$i$N%5%s%W%k2;8;$G$O!V%H!<%s$,$V$k$V$k?L$($k%"!<%F%#%U%!%/%H!W$,$h$/@8$8$^$9!#(B $B%"!<%F%#%U%!%/%H$N>\:Y$K6=L#$,$"$k?M$O(B$B3F%j%9%J!<$K$h$k(B ABC/HR $BHf3S$*$h$S(B ABX $B%F%9%H$N7k2L(B$B$r8+$k$N$,NI$$$H;W$$$^$9(B (rar $B%U%!%$%k$N7A<0$G$^$H$a$F%@%&%s%m!<%I(B$B!";d$O(B rar $B%U%!%$%k$r3+$/$?$a$K(B 7-Zip $B$r0&MQ$7$F$$$k(B)$B!#I,MW$,$"$l$P%"!<%F%#%U%!%/%H$NB8:_$r<+J,$N<*$G(B ($B$9$J$o$A(B ABX $B%F%9%H$K$h$C$F(B) $B3NG'$9$k!#FC$K(B guruboolez $B;a$N%3%a%s%H$O8+$F$*$/2ACM$,$"$j$^$9!#3F%(%s%3!<%@!<$NFCD'$r3NG'$7$??M$O<+J,$N9%$_$H;v>p$K9g$o$;$F9gM}E*$JA*Br$r$70W$/$J$k$O$:$G$9!#(B $B!|(B guruboolez $B;a$,IU$1$?%9%3%"(B $B%*!<%G%#%*05=L$N;nD0;n83$K4X$7$F$OJL3J$N(B guruboolez $B;a$N7k2L$@$1$rH4$-=P$9$H$I$&$J$C$F$$$k$+$K6=L#$N$"$k?M$,$$$k$H;W$&!#$=$3$G(B$B3F%j%9%J!<$K$h$k(B ABC/HR $BHf3S$*$h$S(B ABX $B%F%9%H$N7k2L(B (rar) $B$+$i(B guruboolez $B;a$,IU$1$?%9%3%"$@$1$rH4$-=P$7$F$_$?!#(B Web Statistical Analysis of Listening Test Data $B$K(B guruboolez.txt $B$r?)$o$;$?7k2L(B $B%F%9%H$5$l$?(B Nero $B$N(B AAC $B%(%s%3!<%@!<$O%P%0IU$-$G$"$C$?$3$H$KCm0U!#$I$N$h$&$J%P%0$G$"$k$+$K4X$7$F$O(B guruboolez $B;a$K$h$kBh(B 5, 10, 14, 16, 17 $BHVL\$N%5%s%W%k2;8;$K4X$9$k%3%a%s%H$H(B http://www.maresweb.de/nero-problem $B$r;2>H$;$h!#(B (guruboolez $B;a$K$h$k%3%a%s%H$O%V%i%$%s%I$G=q$+$l$?$3$H$KCm0U$;$h!#B>$N%(%s%3!<%@!<$K4X$9$k%3%a%s%H$b$9$4$$!#(B) $B4XO"(B $B"*(B guruboolez $B;a8D?M$,9T$C$?(B200$B8D$N%5%s%W%k2;8;$K$h$k(B 130$B!A(B135kbps $B$G$NHf3S(B guruboolez $B;a8D?M$N7k2L$H:#2s$N8x3+;nD0;n83A4BN$N7k2L$rHf3S$9$k$H!"(B guruboolez $B;a$K$h$k(B "Last but not least, difference among all these encoders is really small (don't look too much on "zoomed" plots)" $B$H$$$&7Y9p$N0UL#$,$h$/$o$+$k!#(B 2006$BG/(B01$B7n(B10$BF|!!(BYAMAHA $B"vLD$k$[$I!*3Z4o2rBNA4=q(B $BJ8>O$@$1$G$O$J$/!"3Z4o$N2;$rD0$+$;$F$/$l$k!#MM!9$J $B$A$J$_$KFs%N5\CN;R!X(B$B$N$@$a%+%s%?!<%S%l(B$B!Y%3%_%C%/%9(B #13 $B$O$N$@$a$,%A%'%l%9%?$rCF$$$F$/$l$H@i=)$K8F$S=P$5$l$?$H$3$m$G=*$o$C$F$$$k!#:G?74,$N(B #14 $B$O(B1$B7n(B13$BF|$KH/GdM=Dj!#$N$@$a$H@i=)$N!H=i6&1i!I$,$I$&$$$&$3$H$K$J$C$?$N$+$,3Z$7$_!#(B P.S. $B@57n5Y$_$OIw $BF~LgE*>R2p$K4X$7$F$O!V(B$B%"!<%F%#%U%!%/%HF~Lg(B$B!W$r;O$a$KFI$s$GM_$7$$!#(B $B$3$l$rFI$a$PA4BN$N7R$,$j$,$o$+$k!#(B $B;29M$K$7$?%&%'%V%5%$%H(B
$B$r8+$l$P$o$+$k$h$&$KD9$5$O0[$J$k!#
$B%*%j%8%J%k2;8;(B BoA_kiseki.wav [30sec, 5167KB]
$B%(%s%3!<%@!<(B VBR MP3 $B%U%!%$%k(B $B"*(B MP3 repacker -cbr $B$K$h$kJQ497k2L(B
--------------------------------------------------------------------------------
LAME 3.97b2 -V2 --vbr-new [733KB, 199kbps] $B"*(B [938KB, CBR 256kbps]
LAME 3.97b2 -V3 --vbr-new [621KB, 169kbps] $B"*(B [821KB, CBR 224kbps]
LAME 3.97b2 -V4 --vbr-new [576KB, 157kbps] $B"*(B [703KB, CBR 192kbps]
LAME 3.97b2 -V5 --vbr-new [507KB, 138kbps] $B"*(B [703KB, CBR 192kbps]
$B%*%j%8%J%k2;8;(B BoA_kiseki.wav [30sec, 5167KB]
$B%(%s%3!<%@!<(B CBR MP3 $B%U%!%$%k(B $B"*(B MP3 repacker -vbr $B$K$h$kJQ497k2L(B
--------------------------------------------------------------------------------
LAME 3.97b2 -b128 [470KB, 128kbps] $B"*(B [466KB, 126kbps]
LAME 3.97b2 -b160 [588KB, 160kbps] $B"*(B [582KB, 158kbps]
LAME 3.97b2 -b192 [705KB, 192kbps] $B"*(B [698KB, 190kbps]
LAME 3.97b2 -b224 [823KB, 224kbps] $B"*(B [814KB, 221kbps]
LAME 3.97b2 -b256 [940KB, 256kbps] $B"*(B [930KB, 253kbps]
LAME 3.97b2 -b320 [1175KB, 320kbps] $B"*(B [1134KB, 309kbps]
$BL\$G$b3NG'$7$?$$?M$O(B $B"*(B $BGH7A$N2hA|(B
Sample (Duration in Seconds) iTunes LAME Nero AoTuV WMA Professional
--------------------------------------------------------------------------------------
Average: 22.94 137.56 143.44 139.89 147.94 136.78
aoTuV beta 4.51 LAME 3.97b2 iTunes 6 AAC Nero AAC 3.1.0.2 WMA 9.1 Pro
-q4 -q4.20 -q4.25 -V5 --vbr-new VBR 128kbps VBR Internet VBR 50 44.1
-------------------------------------------------------------------------------------
Average 128 134 135 134 133 132 133
Median 126 132 133 132 133 133 132
$BCm0U!'(B Nero AAC 3.1.0.2 $B$K$O%S%C%H%l!<%H$N@)8f$K%P%0$,$"$C$?!#(B
$B2;3ZG[?.4XO"(B $B"*(B 20050906-1$B!"(B20050821-1$B!"(B20050812$B!"(BiTMS$B$N;nD0$GD0$/%"!<%F%#%U%!%/%H(B
-V5 --vbr-new -V2 --vbr-new
Sample 3.97b2 3.98a2 3.98a3 3.97b2 3.98a2 3.98a3
---------------------------------------------------
01 131 131 147 177 177 191
02 124 124 136 176 176 188
03 123 123 138 181 181 193
04 138 138 160 199 199 216
05 149 149 163 187 187 199
06 124 124 145 189 189 206
07 125 125 143 169 169 185
08 142 142 162 212 212 227
09 139 139 155 185 185 198
10 107 107 120 165 165 178
11 135 135 149 177 177 191
12 149 149 166 222 222 232
---------------------------------------------------
Average 132.2 132.2 148.7 186.6 186.6 200.3
Std Dev 11.7 11.7 12.9 16.2 16.2 16.1
ABC/HR step is generally not enough. It's easy to give two different notes to two different encodings, but if you must know if the difference really exists, the direct ABXing is necessary.
ABXing reference vs encoding is generally easier than ABXing encoding vs encoding. It's especially true when you try to compare encodings that are really close (ex: lame --standard vs lame -fast-standard).
ABC/HR $B$N%9%F%C%W$O0lHL$K$O==J,$G$O$"$j$^$;$s!#(B ABC/HR $B$G$O(B2$B$D$N%(%s%3!<%I7k2L$KMF0W$K0[$J$kE@?t$rIU$1$k$3$H$,$G$-$^$9!#$7$+$7!"$b$7$b$"$J$?$,2;@\Hf3S$9$k(B ABX $B%F%9%H$,I,MW$K$J$j$^$9!#(B
$B%j%U%!%l%s%9(B [$B05=LA0$N%*%j%8%J%k2;8;(B] $B$H%(%s%3!<%I7k2L$rHf3S$9$k(B ABX $B%F%9%H$O0lHL$K%(%s%3!<%I7k2L$I$&$7$rHf3S$9$k(B ABX $B%F%9%H$h$j$bMF0W$G$9!#FC$K$"$J$?$,(B [$B2;
bug fixes: psy code used long block ATH in short block case
workaround: quantization routines of new vbr code failed on strong tonal
samples, due to over optimistic masking promises from psy model
hmp3.exe -V120 -X2 -HF2 -SBT450 -TX0 -F18600
1 = iTunes$B!"(B2 = LAME$B!"(B3 = Nero$B!"(B4 = Shine$B!"(B5 = aoTuV$B!"(B6 = WMA Pro)
[4.79] Ogg Vorbis aoTuV beta 4.51 -q4.25
[4.74] iTunes 6.0.1.3 AAC VBR 128kbps
[4.70] WMA Professional 9.1 Quality-Based VBR Q50
[4.60] LAME 3.97b2 -V5 --vbr-new
guruboolez's results of Multiformat Listening Test @ 128 kbps
1=iTunes 2=LAME 3=Nero 4=Shine 5=aoTuV 6=WMA_Pro
----------------------------------------------------------------------------
01 4.5 3.6 3.8 1.0 4.3 3.3
02 4.0 4.0 2.0 1.0 3.0 2.7
03 3.8 2.0 4.3 1.3 4.8 4.3
04 5.0 3.8 2.8 1.0 3.5 2.0
05 3.7 3.5 2.0 1.0 4.5 2.5
06 3.0 3.5 3.8 1.0 5.0 4.0
07 5.0 4.5 5.0 1.0 5.0 5.0
08 3.5 2.0 3.0 1.0 4.0 2.3
09 3.7 3.3 2.0 1.0 4.5 4.0
10 3.7 3.5 2.5 1.3 4.4 2.5
11 4.2 4.2 4.0 1.0 4.5 4.5
12 3.5 3.0 3.0 1.0 3.2 2.5
13 4.5 4.2 3.5 1.0 3.6 3.8
14 4.5 3.8 3.2 1.0 3.5 2.7
15 5.0 4.5 3.7 1.0 5.0 3.9
16 4.6 3.8 4.4 2.0 4.8 4.2
17 4.5 3.7 3.0 1.0 4.2 2.0
18 4.5 4.9 4.3 1.0 4.8 4.5
----------------------------------------------------------------------------
Average 4.18 3.66 3.35 1.09 4.26 3.37
$B2a5n$N%K%e!<%9$H$R$H$j$4$H(B
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$B!V(BLAME$B$N@_Dj$N;EJ}(B$B!W$NL\
$B!V(BLAME$B$N%*%W%7%g%s$NA*$SJ}(B ($BF~LgJT(B)$B!W$NL\
$B!V(B$B%Q%=%3%s$GO?2;$9$kJ}K!(B$B!W$NL\
$B!V(BWinamp $B$N;H$$J}(B$B!W$NL\
$B!V(B$B%*!<%G%#%*%U%!%$%k$N7A<0$NJQ49(B$B!W$NL\
$B!V(B$BJXMx$J%=%U%H$N>R2p(B$B!W$NL\
$B!V(Biriver H300 $B%7%j!<%:$rJXMx$K;H$&$?$a$N>pJs(B$B!W$NL\
$B!V(B$B%M%C%H$G%@%&%s%m!<%I$G$-$k$*$9$9$a$N2;3Z(B$B!W$NL\
iriver H300 $B%7%j!<%:MQ$NF02h%U%!%$%k$N:n$jJ}(B
$B!V(Biriverter $B$N>R2p(B$B!W$NL\
$B!V(BVirtualDubMod $B$N;H$$J}(B$B!W$NL\
$B!V(BFairUse Wizard Light Edition - $B;zKkIU$-$G(BDVD$B$rJQ49!W$NL\
$B!V(BMEncoder $B$N;H$$J}(B$B!W$NL\
$B%j%s%/=8(B