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$B!|(B $BDI5-(B 2005$BG/(B12$B7n(B30$BF|(B$B!!(Baacenc32.exe $B$G$O(B -profile HE $B$r;H$C$F$b(B SBR (spectral band replication) $B$@$1$,M-8z$K$J$j!"(BPS (parametric stereo) $B$,M-8z$K$J$i$J$$!#(B SBR + PS $B$r;n$7$?$1$l$P(B aacenc32.exe $B0J30$N%U%m%s%H%(%s%I$r;H$o$J$1$l$P$$$1$J$$!#(B 2005$BG/(B11$B7n(B30$BF|!!(BRockbox firmware for iriver H300 series - $BF|K\8lI=<($,2DG=$K(B $BF0$-$,B.2a$.!#2K$,$G$-$?$iF~$l$F$_$h$&!#(B 2005$BG/(B11$B7n(B28$BF|!!(BRockbox firmware for iriver H300 series - $BF3F~(B $B%.%c%C%W%l%9:F@8!*(B FLAC $B$*$h$S(B WavPack $B$N:F@8!*(B $B$J$s$+$9$4$=$&!*(B 2005$BG/(B11$B7n(B27$BF|!!(BLAME 3.97 beta 2 $B$,%j%j!<%9$5$l$?(B LAME 3.97b1 $B$H(B 3.97b2 $B$N=EMW$J0c$$$O(B -V5 [--vbr-new] $B$N(B athaa_sensitivity $B$NCM$,(B -16dB $B$+$i(B -12dB $B$KJQ$o$C$?$3$H$G$"$k(B (LAME 3.97b2 $B$N(B presets.c$B!"(Bdiff)$B!#$3$NJQ99$K$h$C$F(B -V5 [--vbr-new] $B$N2;/$K2~A1$5$l$k2DG=@-$,$"$j(B ($BM-0U$K2~A1$5$l$k$+$I$&$+$OITL@(B)$B!"J?6Q%S%C%H%l!<%H$,Hy>/$K>e>:$9$k$3$H$K$J$k!#$I$NDxEY2;LAME 3.98a2 $B$NJ}$G(B -V5 --vbr-new --athaa-sensitivity 1 $B$r;H$$$?$$$H9M$($k!#8e $B4XO"(B $B"*(B 20051120-1$B!"(B20051116-1$B!"(B--athaa-sensitivity 1 $B$N8z2L(B $B$b$&0l$D$N0c$$$O(B 3.97b2 $B$N(B -b 320 $B$G$O(B bit reservoir $B$,M-8z$K$J$C$?$3$H$G$"$k!#$J$<$=$&$7$?$+$K$D$$$F$OITL@(B ($B4XO"(B $B"*(B Using insane settings with mp3, 320kbps LAME 3.90.3 vs 3.97beta #198)$B!#(B $B!|(B $BDI5-(B 2005$BG/(B11$B7n(B30$BF|(B$B!!(BLAME 3.97b2 $B$G$O(B 3.97b1 $B$H0c$C$F(B --athaa-sensitivity $B%*%W%7%g%s$,;HMQ2DG=$K$J$C$F$$$k!#$7$?$,$C$F%"%k%U%!HG$N(B 3.98 $B$r;H$o$J$/$F$b(B --athaa-sensitivity $B$r(B -V5 [--vbr-new] $B$G;H$($k!#$=$l$J$i$P3+H/2aDx$G0BDj@-$,B;$J$o$l$k2DG=@-$N9b$$%"%k%U%!HG$r;H$&$h$j$b(B 3.97 $B$r;H$C$?J}$,NI$$$@$m$&!#(B 2005$BG/(B11$B7n(B27$BF|!!(Bguruboolez $B;a$,8+IU$1$?(B LAME $B$N%-%i!<%5%s%W%k(B guruboolez $B;a$K$h$k(B130$B!A(B135kbps$B$K$*$1$k%(%s%3!<%@!<$N2;$B$N(B$B>\:Y(B$B$r8+$l$P(B LAME $B$,$I$N%5%s%W%k2;8;$K LAME $B$N:G0-$N%-%i!<%5%s%W%k$G$"$k(B S53_WIND_Saxophone_A $B$K$D$$$F$O$3$N%5%$%H$G$b2?EY$+OCBj$K$7$F$$$k(B (20050928-1$B!"(B20050928-2$B!"(B3.97 $B0J9_$N(B LAME $B$N%-%i!<%5%s%W%k(B$B!"(B20051012-1)$B!#(B LAME $B$NB?$/$N@_Dj$G!V:Y$+$$K"$,$O$8$1B3$1$k$h$&$J46$8$N%N%$%:!W$,DI2C$5$l$F$7$^$&!#(B gpsycho $B$r:NMQ$7$F$$$k8a8e$N$3!A$@$N(B -b 128 $B$d(B LAME 3.90.3 $B$N(B -b 128 $B$H(B nspsytune $B$r:NMQ$7$F$$$k8=:_$N(B LAME $B$N(B CBR 128kbps $B$rHf3S$9$k$3$H$K$h$C$F!"(BS53_WIND_Saxophone_A $B$N8eH>$G@8$8$k$R$I$$%"!<%F%#%U%!%/%H$O(B nspsytune $B$NF3F~$K4X78$"$j$=$&$J$3$H$,$o$+$k!#(B $B$5$i$K!"(BLAME 3.90.3, 3.93.1, 3.95.1, 3.96.1, 3.98a2 $B$N(B --(alt-)preset fast standard (3.95.1 $B0J9_$O(B -V2 --vbr-new) $B$G(B S53_WIND_Saxophone_A $B$r05=L$9$k$H!"(B 3.95.1, 3.96.1 $B$G$O$[$H$s$I%H%i%s%9%Z%"%l%s%H$K6a$/$J$C$F$$$k$,!"(B 3.98a2 $B$G$O$R$I$$%"!<%F%#%U%!%/%H$,I|3h$7$F$$$k!#$3$N$3$H$+$i(B nspsytune $B$@$1$NLdBj$G$O$J$/!"(B LAME $B$N%A%e!<%K%s%0$b$3$NLdBj$K4X$o$C$F$$$k$3$H$,$o$+$k!#B>$NB?$/$N2;8;$G(B LAME $B$OM%$l$?7k2L$r=P$9$N$@$,!"$3$NLdBj$O>l9g$K$h$C$F$O(B LAME $B$N;HMQ$r$?$a$i$o$;$k$[$I6/Nu$J$N$G@'Hs$H$b2~A1$7$FM_$7$$$H;W$&!#(B guruboolez $B;a$,;XE&(B$B$7$F$$$k$h$&$K!"(BS53_WIND_Saxophone_A $B$N8eH>$G@8$8$kLdBj$O(B -V0 --vbr-new -b192 $B$N$h$&$K$7$F%S%C%H%l!<%H$rL5M}LpM}>e$2$F$b2r>C$5$l$J$$(B (LAME 3.97b1, 3.98a2)$B!#$3$N;vCO$,;D$C$F$$$k$H$$$&$3$H$J$N$G:#8e$,3Z$7$_$G$"$k!#(B) $B$A$J$_$K(B LAME $B$N(B VBR $B$O%N%3%.%jGH$K$b $B$5$i$K4qL/$J$3$H$K(B LAME 3.97b1, 3.98a2 -b 128,160,192 (CBR) $B$G@8$8$k!V:Y$+$$K"$,$O$8$1B3$1$k$h$&$J46$8$N%N%$%:!W$NLdBj$O%*%W%7%g%s(B -q0, -q2 $B$NDI2C$G7c$7$/0-2=$7$F$7$^$&!#(B LAME 3.97b1, 3.98a2 $B$N$h$&$J:G?7$N(B LAME $B$G$b(B -q0 $B$d(B -h $B$N$h$&$J%*%W%7%g%s$O;H$o$J$$J}$,NI$$!#(B 2005$BG/(B11$B7n(B26$BF|!!>.;{?.NI!'!V%3%T!<%o%s%9!WBg$=$b$=$bO@(B (2005/11/21) $B$3$3$NFI $B8D?ME*$J0U8+$G$O%3%T!<%o%s%9$N$h$&$J!V<+M3$NB+G{!W$OF|K\7P:Q$K$H$C$FM-32$G$"$k!#%3%T!<%o%s%9$,$3$N$^$^GQ;_$5$l$J$$$H$$$&$3$H$K$J$k$H!";d$N$h$&$J%?%$%W$N>CHq 2005$BG/(B11$B7n(B24$BF|!!(BLAME$B$N%3%"$J3+H/ $BK!DnF.Ah$K$9$k$D$b$j$O$J$$$,>\$7$$@bL@$r5a$a$k!"$H$$$&BVEY$r$O$C$-$j$5$;$?$N$O8= $B4XO"(B $B"*(B 20051108-2$B!"(B20051102-1 $B;d$N4D6-$G$O(B Lancer 20051121 $B$H $B4XO"(B $B"*(B 20051119-3$B!"(B20051119-2$B!"(B20051118-1$B!"(B20051113-1$B!"(B20051111-1$B!"(B20051107-1$B!"(B20051105-1 2005$BG/(B11$B7n(B21$BF|!!(BLAME $B$K$*$1$k2; Hydrogenaudio Forums - Multiformat 128 kbps Listening Test, Pre-Test Discussion $B$+$i(B --athaa-sensitivity $B$K4X$9$k5DO@$N0lIt$rH4?h(B ($BDI5-!'(B # $BIU$-$NHV9f$O%9%l%C%I$,J,3d$5$l$kA0$N?t;z$G$"$j!"(B$BJ,3d@h$N%9%l%C%I(B$B$K0\F0$5$l$?5-;v$X$N%j%s%/$rD%$jD>$7$F$"$k(B)
$BB3$-$b$"$k$N$G6=L#$N$"$k?M$OFI$s$G$_$F2<$5$$!#;d$O(B sTisTi $B$5$s$H(B skelly831 $B$5$s$H(B guruboolez $B$5$s$K;?@.$G$9!# $B2f!9%(%s%I%f!<%6!<$O3+H/ LAME 3.97b1 $B$r=P$9;~E@$G(B -V5 --vbr-new $B$r%Y%9%H$N@_Dj$K%A%e!<%K%s%0$G$-$J$+$C$?$N$@$+$i!"1x$$HyD4@aMQ$N%*%W%7%g%s$b;H$($k$^$^$K$7$F$*$/$Y$-$@$C$?$H;W$$$^$9!#(B 3.96.1 $B$G$O;H$($F$$$?(B --athaa-sensitivity 1 $B$r(B 3.97b1 $B$G$O;H$($J$/$7$F$7$^$C$?$;$$$G!"(B guruboolez $B;a$O(B 130$B!A(B135kbps $B$K$*$1$k;nD0;n83(B$B$G(B 3.98a2 (alpha $BHG(B) $B$rMQ$$$k$3$H$K$J$j!";d$N$h$&$J%(%s%I%f!<%6!<$b(B 3.97b1 $B$r $B$3$3$G:#$^$G[#Kf$@$C$?;d$NN)>l$rL@3N$K$7$F$*$-$^$7$g$&!#(B Hydrogenaudio Forums $B$,$9$9$a$F$$$k(B LAME $B$N%P!<%8%g%s(B$B$rL5;k$7$F$bLdBj$"$j$^$;$s(B ($B@Q6KE*$KL5;k$7$m$H8@$C$F$$$k$N$G$O$J$$$3$H$KCm0U!*(B)$B!#=EMW$J$N$O%F%9%H$5$l$F$$$k$+$I$&$+$NJ}$G$9!#$?$H$($P8=:_$N(B Hydrogenaudio $B$N(B recommended version $B$,(B 3.97b1 $B$@$H$7$F$b!"2f!9$,(B LAME 3.98a2 -V5 --vbr-new --athaa-sensitivity 1 $B$r;HMQ$9$k$3$H$K$O2?$NLdBj$b$J$$(B ($B$J$<$J$i$P(B guruboolez $B;a$K$h$C$F==J,$K%F%9%H$5$l$F$$$k$+$i(B)$B!#(B $B$h$j0lHLE*$K!"%"%k%U%!HG$N;HMQ$dHyD4@aMQ$N%*%W%7%g%s$NDI2C(B ($B1x$$BP=hK!(B) $B$=$N$b$N$,LdBj$J$N$G$O$J$/!"%F%9%H$5$l$F$$$k$+$I$&$+$NJ}$,LdBj$J$N$G$9!#C/$+$,BgJQ$JEXNO$rJ'$C$F0BA4@-$HM%0L@-$,3NG'$5$l$?%P!<%8%g%s$dDI2C%*%W%7%g%s$N;HMQ$K$O2?$NLdBj$b$J$$!#(B $B!V(BHydrogenaudio Forums $B$,$9$9$a$F$$$J$$$+$i!W$H$+!"!V3+H/ $B%(%s%I%f!<%6!<$NN)>l$G$O2;2A$K$*$$$F=EMW$J$N$O(B ABX $B$d(B ABC/HR $B$N$h$&$J%j%9%K%s%0%F%9%H$G$"$j!"$I$N8"0R$,2?$r8@$C$F$$$k$+$G$O$"$j$^$;$s!#(B $B3N$+$K$3$N%9%l%C%I$OHs>o$KLLGr$$(B(amusing)$B!#(B $B!|(B $BDI5-(B 2005$BG/(B11$B7n(B30$BF|(B$B!!(BLAME 3.97b2 $B$G$O(B 3.97b1 $B$H0c$C$F(B --athaa-sensitivity $B%*%W%7%g%s$,;HMQ2DG=$K$J$C$F$$$k!#$7$?$,$C$F%"%k%U%!HG$N(B 3.98 $B$r;H$o$J$/$F$b(B --athaa-sensitivity $B$r(B -V5 [--vbr-new] $B$G;H$($k!#$=$l$J$i$P3+H/2aDx$G0BDj@-$,B;$J$o$l$k2DG=@-$N9b$$%"%k%U%!HG$r;H$&$h$j$b(B 3.97 $B$r;H$C$?J}$,NI$$$@$m$&!#(B 2005$BG/(B11$B7n(B20$BF|!!(BAlex B $B;a$K$h$k(BVBR$B%(%s%3!<%@!<$NJ?6Q%S%C%H%l!<%H$NJ,I[$N7WB,(B $B4XO"(B $B"*(B 20050922-1$B!"(B20050920-1$B!"(B20050918-1$B!"(B20050910-2 2005$BG/(B11$B7n(B20$BF|!!(Bcastanets2 $B%5%s%W%k$G$N(B --athaa-sensitivity 1 $B$N8z2L(B castanets2 $B$N%Z!<%8(B$B$K!V(BLAME $B$N(B --athaa-sensitivity $B$N8z2L(B$B!W$N@a$rDI2C$7$?!#%W%j%(%3!<$r:G$bD0$- $B4XO"(B $B"*(B 20051116-1$B!"(B--athaa-sensitivity 1 $B$N8z2L(B 2005$BG/(B11$B7n(B19$BF|!!(BLAME $B$N(B --preset $B$N $B$=$l$J$j$KM-MQ$J>pJs$r4^$s$G$$$k$+$b$7$l$J$$$H;W$C$F!V(BLAME$B$N@_Dj$N;EJ}(B$B!W$H!V(BLAME$B$N%*%W%7%g%s$NA*$SJ}(B ($BF~LgJT(B)$B!W$r:o=|$;$:$K%H%C%W$K=$@5$rF~$l$F;D$7$F$"$k$N$@$,!"$=$l$i$NK\J8$O$9$G$K;~BeCY$l$K$J$C$F$$$k!#;~BeCY$l$K$J$C$F$$$kM}M3$O!V(BLAME $B$N(B --preset $B$N $B$*$=$i$/8=:_$G$b(B lame.exe --preset standard $B$d(B lame.exe --preset medium $B$r;H$C$F$$$k?M$OB?$$$H;W$&!#(B "standard" $B$O!V$[$H$s$I$N?M$,$[$H$s$I$N>l9g$K05=LA0$H05=L8e$r6hJL$G$-$J$$I8=`E*$J@_Dj!W$r0UL#$7$F$$$k$i$7$$!#$7$+$7!"8=l9g$O$+$J$j$"$k$h$&$K;W$o$l$k!#(B $B;d<+?H$O(B LAME 3.97b1 ($B$^$?$O(B LAME 3.98a2) -V2,3,4 --vbr-new $B$H(B LAME 3.98a2 -V5 --vbr-new --athaa-sensitivity 1 $B$r;H$C$F$$$k!#(B --vbr-new $B$rIU$1$kM}M3$OAm9gE*$K2;@7$G2;l9g$,$"$k$+$i$@!#(B
-V2 --vbr-new $B$H(B -V4 --vbr-new $B$O$=$l$>$l(B --preset fast standard $B$H(B --preset fast medium $B$HEy2A$G$"$k!#$=$l$i$N$"$$$@$N(B -V3 --vbr-new $B$r;H$&%a%j%C%H$O(B -V2 --vbr-new $B$H(B -V4 --vbr-new $B$N$"$$$@$N2;e>:$rKI$2$k$3$H$G$"$k!#(B $B --preset medium $B$d(B --preset standard $B$N 2005$BG/(B11$B7n(B19$BF|!!(BLancer $B$d(B Rarewares $B$N%P%$%J%j$H(B aoTuV $B$N(B reference $B$N:9(B guruboolez $B;a$,;H$C$?Hs%/%i%7%C%/$N(B50$B8D$N%5%s%W%k2;8;(B$B$r%(%s%3!<%I$7$?7k2L$,3F%P%$%J%j$4$H$K$I$l$@$10c$&$+$r7WB,$7$F$_$?!#(B -q1 $B$GHf3S$7$?%(%s%3!<%@!<(B -q6 $B$GHf3S$7$?%(%s%3!<%@!<(B (-q3 $B0J>e$G$O(B aoTuV beta 4, 4.5, 4.51 $B$N$"$$$@$K0c$$$O$J$$(B) $B$3$l$i$N%(%s%3!<%@!<$N(B -q1 $B$^$?$O(B -q6 $B$G05=L$7$?%(%s%3!<%I$7$F!"(B foobar2000 $B$G(B Wave $B%U%!%$%k$K%G%3!<%I$7!"0LAjH?E>%_%C%/%9$K$h$C$F(B aoTuV beta 4.51 reference $B$r;H$C$?>l9g$N7k2L$H$N:9$N(B Wave $B%U%!%$%k$r:n@.$7!"(B WaveGain.exe -c $B$G:9$N%T!<%/CM$r7WB,$7$?!#(B $B%j%U%!%l%s%9$H$N:9$N%T!<%/CM$r8+$k8B$j$K$*$$$F!"(BaoTuV beta 4.51 $B$r%Y!<%9$K$7$?(B Rarewares $B$N%P%$%J%j$h$j$b(B aoTuV beta 4.5 $B$r%Y!<%9$K$7$?(B Lancer 20051118 $B$r;H$&$N$,4m81$G$"$k$h$&$K$O8+$($J$$!#%T!<%/CM$@$1$G$O!V$I$l$@$1$NIQEY$G0c$$$,@8$8$k$+!W$,$o$+$i$J$$$N$GGH7A$J$I$b8+$F$_$?$,0u>]$OJQ$o$i$J$$!#(B $B -q6 $B$G$O(B aoTuV beta 4 $B$r%Y!<%9$K$7$?(B Lancer 20050709 $B$H%j%U%!%l%s%9$N:9$N%T!<%/CM$O(B Lancer 20051118 $B$KEy$7$$!#$7$+$7$=$l$i$N%(%s%3!<%I7k2L$OHy>/$K0[$J$C$F$$$k!#(B 2005$BG/(B11$B7n(B19$BF|!!(BLancer 20051118 $B8x3+Cf;_(B aoTuV 4.51 $B$r9bB.2=$7$?%P!<%8%g%s$N40@.$^$G8x3+Cf;_!#<+8J@UG$$G(B Lancer 20051118 $B$r;H$$B3$1$k$D$b$j$@$C$?$,!"(B-q3 $BL$K~$r;H$&$3$H$O$[$H$s$I$J$$$N$G%a%$%s$G;H$&(B oggenc.exe $B$r(B Laner 20050709 $B$KLa$9!#(B $B4XO"(B $B"*(B 20051119-1$B!"(B20051118-1$B!"(B20051113-1$B!"(B20051111-1$B!"(B20051107-1$B!"(B20051105-1 2005$BG/(B11$B7n(B19$BF|!!(BOgg Vorbis aoTuV beta 4.51 $B$,%j%j!<%9$5$l$?(B $B8x<0%&%'%V%Z!<%8$+$i%@%&%s%m!<%I$G$-$k(B reference $BHG$N%P%$%J%j$N(B oggenc.exe -q1 $B$H(B oggenc.exe -q6 $B$K$h$k05=L7k2L$r(B foobar2000 $B$N(B Bit-compare tracks $B$GHf3S$7$F$_$?$,(B beta 4.5 $B$H(B beta 4.51 $B$K$h$k05=L7k2L$O40A4$K0lCW$7$F$$$?!#%j%j!<%9$N%3%a%s%H$K$"$k$h$&$K(B beta 4.5 $B$H(B beta 4.51 $B$N$"$$$@$K$O2;
$B4XO"(B $B"*(B 20051118-1$B!"(B20051113-1$B!"(B20051111-1$B!"(B20051107-1$B!"(B20051105-1 $B;n$7$K%(%s%3!<%I7k2L$,$I$l$@$10[$J$k$+$r7Z$/ -q6 $B$H(B -q1 $B$N>l9g$KGH7A$N:9$,Bg$-$$ItJ,$rFC$KF~G0$KD0$-Hf$Y$F$_$?$,!";d$N<*$G$O(B aoTuV beta 4.5 reference $B$H(B Lancer 20051118 $B$r6hJL$9$k$3$H$OA4$/$G$-$J$+$C$?!#%(%s%3!<%I$,B.$$$N$O$"$j$,$?$$$N$G(B Lancer 20051118 $B$r<+8J@UG$$G0&MQ$9$k$3$H$K$7$?!#(B $B4XO"(B $B"*(B 20051113-1$B!"(B20051111-1$B!"(B20051107-1$B!"(B20051105-1 2005$BG/(B11$B7n(B16$BF|!!Hs%/%i%7%C%/$N%5%s%W%k2;8;$K$*$1$k(B --athaa-sensitivity 1 $B$N8z2L(B $B:G6a$N(B guruboolez $B;a$K$h$k(B130$B!A(B135kbps$B$K$*$1$k;nD0;n83(B$B$K$*$1$k(B MP3 $B$NBeI=$O(B LAME 3.98 alpha 2 -V5 --vbr-new --athaa-sensitivity 1 $B$H(B -V5 --vbr-new $B$G$"$C$?!#(B --athaa-sensitivity 1 $B$O%/%i%7%C%/$+$i:N $B7Y9p!#0J2<$G=R$Y$k$3$H$O<+A0$N;nD0;n83$r9T$J$&A0$NC1$J$k?dB,$K2a$.$J$$!#40A4$K30$7$F$$$k2DG=@-$b$"$k$N$G$=$N$D$b$j$GFI$s$GM_$7$$!#(B $B$^$::G=i$K;W$$$D$/860x$O%W%j%(%3!<$NLdBj$G$"$k!#$6$C$H(B50$B8D$NHs%/%i%7%C%/$N%5%s%W%k2;8;$rD0$$$F$_$k$H%W%j%(%3!<$,H/@8$70W$=$&$J2;8;$,$+$J$jB?$$!#(B MP3 $B$O8E$$5,3J$J$N$G%W%j%(%3!<$NLdBj$r$&$^$/=hM}$9$k%(%s%3!<%@!<$r:n$k$N$OFq$7$$!# $Be$G$b@bL@$7$?$h$&$KHs%/%i%7%C%/$N%5%s%W%k2;8;$O(B --athaa-sensitivity 1 $B$r;H$o$:$K%(%s%3!<%I$7$F$$$k!#(B LAME $B$N3+H/ I don't think so. The --athaa-sensitivity command prevents a specific kind of ringing (I'm used to call it "background ringing"), and I don't remember any sample of the second group suffering from this problem (there are maybe one or two of them). $B0ULu!'%*%W%7%g%s$N0c$$$,860x$@$H$O;W$$$^$;$s!#(B --athaa-sensitivity $B%*%W%7%g%s$O$"$k $B$=$3$G$I$N$h$&$J2;8;$K4X$7$F(B --athaa-sensitivity $B$N8z2L$,3NG'$5$l$F$$$k$+$rD4$YD>$7$F$_$?(B ($B;29M(B $B"*(B 20050925-1)$B!#(B -V5 [--vbr-new] $B$K$*$1$k(B --athaa-sensitivity 1 $B$N;HMQ$O@E$+$J2;8;$G@8$8$k%j%s%.%s%0$NLdBj$rM^$($F$/$l$k!#$*$=$i$/(B guruboolez $B;a$,5$$K$7$F$$$k$N$O$3$A$i$NLdBj$G$"$k(B (2005$BG/(B9$B7n(B19$BF|$N5DO@(B)$B!#@E$+$J2;8;$O%/%i%7%C%/$KB?$$$N$G%/%i%7%C%/$N%5%s%W%k2;8;$G$O(B --athaa-sensitivity $B$N;HMQ$K$OM-0U$K8z2L$,$"$k!#(B $B$7$+$7(B --athaa-sensitivity 1 $B$K8z2L$,$"$k$N$O@E$+$J2;8;$@$1$G$O$J$$$N$G!"Hs%/%i%7%C%/2;8;$G$b;H$&2ACM$,$"$k!# track gain $B$,%W%i%9$N%5%s%W%k$O@E$+$J2;8;$G$"$j!"%^%$%J%9$N%5%s%W%k$O$=$&$G$O$J$$!#$3$NCf$K$O(B track gain $B%^%$%J%9$N@E$+$H$O8@$($J$$%5%s%W%k2;8;$,(B3$B$D4^$^$l$F$$$k!#(B Bayle $B$N:G=i$N(B5$BIC4V$O(B A01_etching $B$KEy$7$$!#$=$N%5%s%W%k$K4X$7$F(B guruboolez $B;a$O(B (High Anchor $B$r=|$$$F(B) LAME $B$K:G$b9b$$E@?t$rM?$($F$$$k!#(B --athaa-sensitivity 1 $BH4$-$G$O$*$=$i$/$=$&$$$&7k2L$K$O$J$i$J$+$C$?$@$m$&!#(B $B>e$K5s$2$?(B [proxima] $B;a$,H/8+$7$?%5%s%W%k2;8;$N$&$A(B guruboolez $B;a$,Hs%/%i%7%C%/$N%5%s%W%k2;8;$H$7$F:NMQ$7$?$N$O(B ATrain $B$H(B Blackwater $B$G$"$k!#$3$N;~E@$G(B --athaa-sensitivity 1 $B$KM-0U$J8z2L$,$"$k2DG=@-$N9b$$2;8;$,(B guruboolez $B;a$,;HMQ$7$?(B 50 $B8D$NHs%/%i%7%C%/$N%5%s%W%k2;8;$NCf$K$9$G$K(B2$B$D8+IU$+$C$F$$$k$3$H$K$J$k!#C5$;$PB>$K$bB8:_$9$k$+$b$7$l$J$$!#$3$N$h$&$JM}M3$+$i(B robert $B;a$N5?$$$,Ev$?$C$F$$$k2DG=@-$b7k9=$"$k$H;W$&!#(B $B;d<+?H$O%/%i%7%C%/0J30$K$b(B -V5 --vbr-new $B$r;H$&>l9g$K$OG0$N$?$a$K(B --athaa-sensitivity 1 $B$r>o$KDI2C$7$F$$$k!#(B 2005$BG/(B11$B7n(B15$BF|!!(Bguruboolez $B;a$K$h$k(B130$B!A(B135kbps$B$K$*$1$k%(%s%3!<%@!<$N2; $BNc$N(B guruboolez $B;a$,$^$?$d$C$F$/$l$?!*(B $B:#2s$O(B iTunes AAC$B!"(BNero AAC$B!"(BLAME MP3$B!"(BOgg Vorbis aoTuV $B$N(B 130$B!A(B135kbps $BIU6a$G$N2;
$BHf3S$5$l$?%(%s%3!<%@!<$O
$B2;2A$NE@?t$,!VCh$KIb$$$F$7$^$&$3$H!W$rKI$2$k!#E@?t$rIU$1$k$H$-$K?M4V$OMM!9$J46>p$K1F6A$5$l$k!#$b$7$b!V$I$N%(%s%3!<%@!<$N2;2A$K$h$C$F6KC<$KDc$$E@?t$rIU$1$F$7$^$&$3$H$,$G$-$J$/$J$k!#$3$N$h$&$K@bL@$9$k$H%F%9%H%j%9%J!<$,$I$N2;8;$,(B High Anchor $B$H(B Low Anchor $B$G$"$k$+$,$o$+$C$F$$$k>u67$GE@?t$rIU$1$F$7$^$&$+$N$h$&$K8m2r$7$F$7$^$&$+$b$7$l$J$$$,!" guruboolez $B;a$K$h$k%F%9%H7k2L$O
CLASSICAL: 150 samples High Anchor $B$,:G$bM%$l$F$*$j(B ($B%S%C%H%l!<%H$,9bL\$J$N$G%U%'%"$JHf3S$G$O$J$$$3$H$KCm0U!*(B)$B!"$=$N
Ogg Vorbis $B!a(B AAC iTunes $B!d(B MP3 LAME $B!d(B AAC Nero NON-CLASSICAL or MODERN or VARIOUS: 50 samples macro-group High Anchor $B$,:G$bM%$l$F$*$j(B ($B%S%C%H%l!<%H$,9bL\$J$N$G%U%'%"$JHf3S$G$O$J$$$3$H$KCm0U!*(B)$B!"$=$N
AAC iTunes $B!a(B Ogg Vorbis $B!d(B AAC Nero $B!a(B MP3 LAME $BJ#?t?M$h$k%F%9%H$H8D?M$K$h$k%F%9%H$rF1Ns$KJB$Y$k$N$OK\Ev$O$^$:$$$+$b$7$l$J$$$,!"(B$B5nG/$N(B5$B7n$N(B128kbps$B$G$N8x3+;nD0;n83(B$B$N7k2L$HHf3S$9$k$H(B AAC iTunes $B$NLv?J$,L\N)$C$F$$$k!#$d$O$j(B VBR $B$K$7$?8z2L$,=P$F$$$k$N$@$m$&$+!#(B$B;d$N$5$5$d$+$J%F%9%H(B$B$G$b(B iTunes AAC VBR 128kbps $B$G$N2; 130$B!A(B135kbps $B$K$*$$$F(B iTunes AAC VBR $B$O(B Ogg Vorbis aoTuV $B$HF1MM$KF1$8DxEY$N%S%C%H%l!<%H$GHf3S$9$l$P(B LAME 3.98a2 $B$h$j$b2; $B$3$3$G(B guruboolez $B;a$K$h$k=EMW$JCm0U(B$B$r0zMQ$7$F$*$3$&!#(B Last but not least, difference among all these encoders is really small (don't look too much on "zoomed" plots $BBg;v$J$3$H$r8@$$K:$l$F$$$^$7$?$,!"$3$l$i$N%(%s%3!<%@!<(B [AAC iTunes, AAC Nero, Ogg Vorbis aoTuV, MP3 LAME] $B$N2;.$5$$$G$9(B ($B!V3HBg!W$5$l$?%0%i%U$r8+2a$.$J$$$h$&$K$7$F2<$5$$(B $B%(%s%3!<%@!<$N$"$$$@$N2;2A$K4X$7$F$O%"%J%m%0%*!<%G%#%*5!4o$N>l9g$H$O0c$&2rl9g$K$O$"$i$f$k6J$N$"$i$f$kItJ,$G$^$s$Y$s$J$/2;l9g$K$O%"!<%F%#%U%!%/%H$,@8$8$F$$$J$$ItJ,$N2;p$K$J$C$F$$$k$N$G!"(B guruboolez $B;a$N;nD0;n83$N7k2L$r$"$i$f$k>l9g$K$^$s$Y$s$J$/(B LAME MP3 $B$H(B Nero AAC $B$N2;ABX$B%F%9%H(B$B$G;M6lH,6l$7$?7P83$,L5$1$l$PM}2r$G$-$J$$2DG=@-$,9b$$$H;W$&!#(B) $B$5$F!"$3$N$h$&$JBg5,LO$J(B ABC/HR $BHf3S$N7k2L$r8+$;$F$b$i$&$3$H$NBi8oL#$O6qBNE*$K$I$N$h$&$J%5%s%W%k2;8;$K3F%(%s%3!<%@!<$,$I$l$@$16/$$$+(B ($B$b$7$/$O $B$?$H$($P(B AAC iTunes $B$H(B MP3 LAME $B$O(B electric & artificial $B$K $B!|(B guruboolez $B;a$,;HMQ$7$?(B200$B8D$N%5%s%W%k2;8;(B 200$B8D$N%5%s%W%k2;8;$r0J2<$N>l=j$+$i%@%&%s%m!<%I$G$-$k!#(B $B$3$l$i$N%5%s%W%k2;8;$K$D$$$F$I$l$+0l$D0J>e$K4X$7$F(B guruboolez $B;a$HF1$8$h$&$J(BABC/HR$BHf3S(B$B$r$7$F$_$l$P!"(B guruboolez $B;a$,$I$l$@$1$N$3$H$r@.$7?k$2$?$+$rG $B!|(B $B4XO"(B 2005$BG/(B11$B7n(B13$BF|!!(BiTunes $B$N(B AAC $B%(%s%3!<%@!<$N%-%i!<%5%s%W%k(B VelvetRealm $B$=$N%9%l%C%I$N(B #6 $B$+$i(B VelvetRealm.wav $B$r%@%&%s%m!<%I$7(B (ALAC $B%U%!%$%k$b(B #1 $B$+$i%@%&%s%m!<%I$G$-$k(B)$B!"(B iTunes 6.0.1.3 AAC 320kbps $B$G%(%s%3!<%I$7$F05=LA0$N2;8;$H(B foobar2000 ABX comparator $B$K$h$C$FD0$-Hf$Y$F$_$?!#HyL/$J2;l9g$K$O%*%U%;%C%H$NLdBj$KCm0U$rJ'$&I,MW$,$"$k!#$7$+$7$3$N>l9g$N2;
Range $B$r(B 4.0-5.0 $B$^$?$O(B 8.5-9.5 $B$K8GDj$9$k$H(B ABX $B$,MF0W$K$J$k!#05=LA0$N2;8;$H(B iTunes 6.0.1.3 AAC 320kbps $B$K$h$k05=L7k2L$N(B ABX $B%F%9%H$G(B 10/10 (0.1%) $B$N7k2L$r3Z>!$G=P$;$k(B (Range 4.0-5.0$B!"(BRange 8.5-9.5)$B!#(B iTunes 6.0.1.3 AAC 320kbps $B$K$h$k05=L7k2L$K$O!V%A%C!"%A%C!"%A%C!W$H$$$&46$8$N6bB0E*$J2;$,IU$12C$o$C$F$$$k$3$H$,3NG'$G$-$k!#$^$k$G?7$?$KJL$N3Z4o$N2;$,DI2C$5$l$F$$$k$h$&$J46$8$G$"$k!#(B LAME 3.98a2 -b 320 $B$K$h$k05=L7k2L$H05=LA0$N2;8;$N(B ABX $B$bFq$7$/$J$$!#!V%7!"%7!"%7!W$H$$$&46$8$N>.$5$J%N%$%:$,IU$12C$o$C$F$$$k$3$H$r3NG'$G$-$k!#(B iTunes 6.0.1.3 AAC 320kbps $B$H(B LAME 3.98a2 -b 320 $B$N05=L7k2L$r(B Range $B$r(B 4.0-5.0 $B$K8GDj$7$FD0$-Hf$Y$F$_$k$H(B iTunes 6.0.1.3 AAC 320kbps $BB&$N6bB0E*$J%N%$%:$NLdBj$NJ}$,L\N)$C$F$$$k$3$H$,$o$+$k!#(B Ogg Vorbis aoTuV beta 4.5 -q6 (nominal bitrate 192kbps, average bitrate 256kbps) $B$K$h$k05=L7k2L$H05=LA0$N2;8;$N(B ABX $B%F%9%H$K$bD)@o$7$F$_$?!#6hJL$O$+$J$jFq$7$/!"(BRange $B$r(B 4.0-5.0 $B$K8GDj$7$F$N(B16$B2s%o%s%;%C%H$N:G=i$ND)@o$G(B 12/16 (3.8%) $B$N@.@S$7$+=P$;$J$+$C$?!#(B iTunes 6.0.1.3 AAC 320kbps $B$GH/@8$7$?%N%$%:$N860x$rD4$Y$k$?$a$K%5%&%s%I%9%Z%/%H%m%0%i%`$b8+$F$_$?!#$3$N%5%s%W%k2;8;$O$+$J$j6/NO$J(B pre-echo and post-echo sample $B$N$h$&$G$"$k!#(B iTunes 6.0.1.3 AAC 320kbps $B$K$h$k05=L7k2L$K$O$+$J$jBg$-$J(B post-echo $B$,DI2C$5$l$F$$$k!#(B LAME 3.98a2 -b 320 $B$K$h$k05=L7k2L$N%5%&%s%I%9%Z%/%H%m%0%i%`$r8+$k$H>.$5$J(B pre-echo $B$H(B post-echo $B$NN>J}$,DI2C$5$l$F$$$k!#$7$+$7(B post-echo $B$O(B iTunes 6.0.1.3 AAC 320kbps $B$G05=L$7$?>l9g$h$j$b>.$5$$!#(B Ogg Vorbis aoTuV beta 4.5 -q6 $B$G$O(B pre-echo $B$b(B post-echo $B$bL\N)$?$J$/$J$C$F$$$k!#(B post-echo $B$N=hM}$K4X$7$F$b(B aoTuV $B$OM%=($@$H$$$&$3$H$+!#(B $B%5%&%s%I%9%Z%/%H%m%0%i%`$N2hA|(B ($B>e$+$i=g$K%*%j%8%J%k!"(BiTunes 6.0.1.3 AAC 320kbps$B!"(BLAME 3.98a2 -b 320$B!"(BaoTuV beta 4.5 -q6 $B$K$h$k05=L7k2L!"$9$Y$F:8%A%c%s%M%k$N$_(B) $B"*(B Range 4.0-5.0$B!"(BRange 8.5-9.5 $BFsCJL\$N(B iTunes 6.0.1.3 AAC 320kbps $B$K$h$k05=L7k2L$K$O!V@V$$Ec!W$N1&B&$K0lCJL\$N%*%j%8%J%k$K$O$J$$Bg$-$JBS$,DI2C$5$l$F$$$k!#$=$NBS$NItJ,$,%]%9%H%(%3!<$G$"$k!#;0CJL\$N(B LAME 3.98a2 -b 320 $B$K$h$k05=L7k2L$G$O!V@V$$Ec!W$N:8B&$K$bBS(B ($B%W%j%(%3!<(B) $B$,DI2C$5$l$F$$$k!#;MCJL\$N(B Ogg Vorbis aoTuV beta 4.5 -q6 $B$K$h$k05=L7k2L$N%5%&%s%I%9%Z%/%H%m%0%i%`$O$[$H$s$I0lCJL\$N%*%j%8%J%k$H6hJL$G$-$J$$!#(B VelvetRealm $B%5%s%W%k$O%]%9%H%(%3!<$NLdBj$r%A%'%C%/$9$k$?$a$KJXMx$J2;8;$N$h$&$@!#(B 2005$BG/(B11$B7n(B13$BF|!!(BaoTuV beta 4.5 $B$N%P%$%J%j$O(B reference $BHG$,0BA4(B aoTuV beta 4.5 $B$N(B quality 3 $BL$K~$r;H$$$?$$?M$OG0$N$?$a$KCm0U$7$F$*$$$?J}$,NI$$$+$b$7$l$^$;$s!#(B aoTuV beta 4 $B$G(B -q3 $BL$K~(B ($B$?$H$($P(B -q2.99999) $B$r;H$C$F$$$??M$OMW%A%'%C%/!#(B 2005$BG/(B11$B7n(B09$BF|!!(Bguruboolez $B;a$K$h$k(B 96 kbps personal listening test $B$3$N;nD0;n83$NB8:_$O(B Hydrogenaudio Forums - getting AAC to use VBR for encoding #22 $B$GCN$C$?!#(B 80 kbps personal listening test (summer 2005) $B$H$[$\F1$8J}K!$G3F5,3J(B (MP3, AAC-LC, Ogg Vorbis, WMA, MPC) $B$4$H$NM=A*$G>!Mx$7$?%(%s%3!<%@!<$N2;!@o$G>\$7$/Hf3S$7$F$$$k!#;HMQ$7$?%5%s%W%k2;8;$bF1$8$G!"%/%i%7%C%/$+$i(B 150 $B8D!"MM!9$J%8%c%s%k$+$i(B 35 $B8D$b$N2;8;$r7h>!@o$G;HMQ$7$F$$$k!#(B $B7h>!@o$G>\$7$/Hf3S$5$l$?$N$O!Mx high anchor $B$N(B LAME 3.97 alpha 11 --abr 131 $B$O%/%i%7%C%/2;8;$G$O(B 124kbps $BDxEY!"MM!9$J%8%c%s%k$G$N2;8;$G$O(B 128kbps $BDxEY$N(B MP3 $B%U%!%$%k$r@8@.$9$k!#2L$?$7$F(B MP3 $B$h$j$b?7$7$$5,3J$K4p$E$$$?:G?7$N%(%s%3!<%@!<$,(B 96kbps $BDxEY$^$GJ?6Q%S%C%H%l!<%H$r2<$2$?$H$-(B 128kbps $B $BHf3S7k2L$O
150$B8D$N%/%i%7%C%/2;8;$K$h$kHf3S(B $B;29M!'(B$B%/%i%7%C%/2;8;$K$h$k(B 80kbps $B$H(B 96kbps $B$G$NHf3S(B 35$B8D$NMM!9$J%8%c%s%k$N2;8;$K$h$kHf3S(B $B;29M!'(B$BMM!9$J%8%c%s%k$N2;8;$K$h$k(B 80kbps $B$H(B 96kbps $B$G$NHf3S(B $B$3$l$i$r8+$k$HAm9gE*$K(B Ogg Vorbis aoTuV -q2 $B$NM%=($5$,L\N)$C$F$$$k!#$J$s$HMM!9$J%8%c%s%k$N2;8;$K$h$k%F%9%H$G(B Ogg Vorbis aoTuV -q2 $B$O(B high anchor $B$h$j$bM%$l$?7k2L$r=P$7$F$$$k!#(BiTunes AAC CBR 96 $B$,$=$N^L\E*$K;H$&>l9g$K$O%S%C%H%l!<%H$N:GDcCM$O$3$N$"$?$j$,8B3&$+!#$=$7$F$$$D$b$N$h$&$K(B WMA $B$N@.@S$O0-$$!#(BMPC $B$O9b%S%C%H%l!<%H$G$O$+$J$jNI$$7k2L$r=P$9$,!"Dc%S%C%H%l!<%H$K$O $BFC$K!V(B$B#4!%#3!%%_%9%f!<%9(B$B!W$OI,FI!#%U%'%"%f!<%9$N@)8B!a%_%9%f!<%9$O%3%s%F%s%D;T>l$r6/NO$KG{$k$3$H$K$h$C$F%3%s%F%s%D;:6HA4BN$KBg$-$J32$rM?$($k$3$H$K$J$k!#C1$KCx:nJ*$N%U%'%"%f!<%9$,@)8B$5$l$k$3$H$KBP$9$kIT2w46$rI=L@$9$k$@$1$G$O$J$/!"%U%'%"%f!<%9$N@)8B$, 2005$BG/(B11$B7n(B08$BF|!!(BSONY BMG $B$O(B LAME $B$N%3!<%I$r%Q%/$C$?!)!*(B $B$3$3$^$G0-
$B4XO"(B $B"*(B 2005$BG/(B11$B7n(B02$BF|!!%=%K!<(BBMG$B$N%3%T!<%W%m%F%/%H$K$O%k!<%H%-%C%H$N5!G=$,!*(B 2005$BG/(B11$B7n(B08$BF|!!(Bmp3 256 Stereo CBR ($B$*>P$$%M%?(B) Gabriel$B;a$K$h$kE,@Z$J0zMQ$N;EJ}(B$B$KBg>P$$!#(B LAME MP3 $B$H$N2;
$B%*!<%G%#%*05=L$N2; $B!|(B$BDI5-(B 2005$BG/(B11$B7n(B9$BF|(B$B!!7k2LE*$K!V(B$B%k!<%k$rL5;k$7$F?=$7Lu$"$j$^$;$s!#%@%V%k%V%i%$%s%I%j%9%K%s%0%F%9%H$r$d$C$F$_$^$9(B$B!W$H$$$&$3$H$K$J$C$?$h$&$@!#AG@2$i$7$$!*(B $B;d$b<+A0$GMM!9$J(BABX$B%F%9%H$r$d$C$F$_$k$^$G$O%*!<%G%#%*05=L$N2;
Hydrogenaudio $B$G$O(B "Nero7 has same API so you can still use dbPowerAmp" $B$H=R$Y$F$$$kJ}$,$$$?$,!" $B;d$b;n$7$F$_$?$,$d$O$j(B "The CODEC required to compress 'file.mp4' could not be opened." $B$H8@$o$l$F$7$^$&!#(B 2005$BG/(B11$B7n(B07$BF|!!(BWavPack 4.3 $B$,%j%j!<%9$5$l$?(B $B;d$O(BCD$B$N%$%a!<%8$r(B ExactAudioCopy $B$G%Q%=%3%s$K $B;29M(B $B"*(B $BMM!9$J%m%9%l%905=L$NHf3S(B $B4XO"(B $B"*(B Vorbis aoTuV 4.5 $B$N%j%j!<%9(B NAACEnc.exe 1.2 $B$,$I$l$@$10B?4$7$F;H$($k$+$rD4$Y$F$_$?!#(B $B7kO@(B NAACEnc 1.20 $B$G%G%U%)%k%H$N@_Dj$N(B -cbr$B%S%C%H%l!<%H(B, -tape, ..., -audiophile $B$r;H$($P!"(BNero Burning ROM 7 $B$H40A4$KF1$8%(%s%3!<%I7k2L$,F@$i$l$k!#(B NAACEnc 1.20 $B$O(B Nero 7 $B$KIUB0$N(B AAC $B%(%s%3!<%@!<$r;H$&$?$a$N==J,$K0BA4$J%D!<%k$G$"$k!#(B $B;n83$N 1. http://www.nero.com/nero7/eng/nero7-demo.php $B$+$i(B Nero 7 Trial Version $B$r%@%&%s%m!<%I$7$F%$%s%9%H!<%k!#6=L#$,$"$k$N$O(B Nero 7 $B$KIUB0$N(B AAC $B%(%s%3!<%@!<$@$1$J$N$K!"%@%&%s%m!<%I$G$-$k%Q%C%1!<%8$O(B 100MB $B$b$NBg$-$5$,$"$k!#(B 2. http://www.rarewares.org/aac.html $B$+$i(B NAACenc 2004-07-02 Version 1.20 $B$r%@%&%s%m!<%I$7$FE83+$7!"(BNAACEnc.exe $B$r%Q%9$NDL$C$?%U%)%k%@$K%3%T!
3. http://www.rarewares.org/mp4.html $B$+$i(B Set of MPEG4 tools by MPEG4ip 2005-03-05 $B$r%@%&%s%m!<%I$7!"$=$NCf$K4^$^$l$F$$$k(B mp4creator.exe $B$r%Q%9$NDL$C$?%U%)%k%@$K%3%T!
4. Nero Burning ROM $B$r5/F0$7!"(BExtras $B"*(B Encode Files... $B$G(B WAV $B%U%!%$%k$r%(%s%3!<%I!#(B 5. NAACEnc.exe $B$NF1MM$N@_Dj$G%(%s%3!<%I!#(B 6. $B$=$&$d$C$F:n$C$?(B mp4 $B%U%!%$%k$K(B mp4creator.exe -extract=1 $B$rE,MQ$7!"(B raw AAC $B%U%!%$%k$r $B%5%s%W%k(BWAV$B%U%!%$%k$H$7$F(B$B$K$c$*$A$5$s$N$H$3$m(B$B$+$i%@%&%s%m!<%I$G$-$k(B WishI.ape $B$r%G%3!<%I$7$?$b$N$r;H$C$?!#(B $BHf3S$N7k2L(B $BHf3S$7$?@_Dj$O
$BNc30E*$J>l9g$r=|$$$F(B NAACEnc 1.20 $B$H(B Nero Burining ROM 7 $B$K$h$k%(%s%3!<%I7k2L$O%S%C%HC10L$G40A4$KEy$7$+$C$?!#Nc30E*$K0lCW$7$J$+$C$?>l9g$O
$BDc%S%C%H%l!<%H$G$O(B HE $B$r;H$C$?J}$,NI$$$N$G!"Dc%S%C%H%l!<%H$G(B LC $B$r;H$C$?>l9g$NIT0lCW$O $B!|(B$BDI5-(B 2005$BG/(B11$B7n(B6$BF|? $B!|(B $BDI5-(B 2005$BG/(B12$B7n(B30$BF|(B$B!!(Baacenc32.exe $B$G$O(B -profile HE $B$r;H$C$F$b(B SBR (spectral band replication) $B$@$1$,M-8z$K$J$j!"(BPS (parametric stereo) $B$,M-8z$K$J$i$J$$!#(B SBR + PS $B$r;n$7$?$1$l$P(B aacenc32.exe $B0J30$N%U%m%s%H%(%s%I$r;H$o$J$1$l$P$$$1$J$$!#(B 2005$BG/(B11$B7n(B05$BF|!!(BVorbis aoTuV beta 4.5 $B$,%j%j!<%9$5$l$?(B aoTuV $B8x<0%&%'%V%Z!<%8(B$B$+$i%@%&%s%m!<%I$G$-$k(B aoTuV beta 4 $B$H(B beta 4.5 $B$N(B OggEnc Win32 version (reference) $B$GHf3S$9$k$H!"!V:#2s$NJQ2=$O(Bquality3$B$h$j2<$K1F6A$,$"$j$^$9!W$H=q$$$F$"$k$h$&$K!"(B -q3 $B0J>e$G$O%(%s%3!<%I7k2L$O%S%C%HC10L$G0lCW$7$F$*$j!"0c$$$,$"$k$N$O(B -q3 $BL$K~(B ($B$?$H$($P(B -q2.99999) $B$@$1$G$"$k$3$H$,3N$+$a$i$l$k!#(B -q3 $B0J>e$r;H$C$F$$$k?M$O(B beta 4.5 $B$K%P!<%8%g%s%"%C%W$9$kI,MW$O$J$$!#$7$+$7(B -q3 $BL$K~$r;H$C$F$$$k?M$O(B beta 4.5 $B$rFH<+$K%F%9%H$7$F$_$?J}$,NI$$$+$b$7$l$J$$!#(B $B4XO"(B $B"*(B ABX$B%F%9%H$H(BABC/HR$BHf3S$NJ}K!(B$B!"(B$B8D?M$K$h$k%(%s%3!<%@!<$N2; 2005$BG/(B11$B7n(B04$BF|!!(BaacEncPlus.exe $B$N$"$j$+(B $B$3$3$rFI$s$G$$$k$h$&$J?M$NCf$K$O!"(BNero 7 $B$,%j%j!<%9(B$B$5$l$?$N$G!"IUB0$N(B Nero Digital AAC $B%(%s%3!<%@!<(B 4.2.1.0 $B$H9g$o$;$F!"(BWinamp 5.1$B$KIUB0$9$k(BaacPlus v2 $B$b;n$7$F$_$h$&$H;W$C$F$$$k?M$O7k9=$$$k$H;W$$$^$9(B (guruboolez $B;a$K$h$kA0$N%P!<%8%g%s$N(B Nero Digital AAC $B%(%s%3!<%@!<$HB>$N(B AAC $B%(%s%3!<%@!<$NHf3S(B)$B!#(B $B%F%9%HMQ$K$O%3%^%s%I%i%$%s$G;H$($k%U%m%s%H%(%s%I$,$"$k$HJXMx$G$9!#(B Nero $B$N(B AAC $B%(%s%3!<%@!<$K4X$7$F$O(B aacenc32.exe $B$,;H$($^$9!#LdBj$O(B Winamp aacPlus v2 $B$N%U%m%s%H%(%s%I$N(B aacEncPlus.exe $B$NF~ $B!|(B $BDI5-(B 2005$BG/(B11$B7n(B05$BF|(B$B!!(Baacenc32.exe -profile HE $B$r;H$C$F$_$?$,(B foobar2000 0.8.3 $B$N(B Show file info $B$G3NG'$9$k$H>o$K(B aac_profile = LC AAC $B$HI=<($5$l$k!#$7$+$7(B NAACEnc.exe -he (download) $B$r;H$&$H(B aac_profile = HE AAC $B$HI=<($5$l$k(B ($BDI5-!'$3$NLdBj$O(B -aac $B%*%W%7%g%s$rDI2C$7$F(B *.aac $B%U%!%$%k$K=PNO$9$l$P2r>C$5$l$k(B)$B!#(B Nero 7 $B$N(B AAC $B%(%s%3!<%@!<$N%F%9%H$N$?$a$K8=:_$N%P!<%8%g%s$N(B aacenc32.exe (Nero Frontends 2005-08-29) $B$O;HMQ$7$J$$J}$,NI$$!#(BNAACEnc.exe $B$r;H$($P(B -tape, -radio, -internet, -streaming, -cbr$B!R(B96$B0J22A$7$F$7$^$&$3$H$K$J$C$F$7$^$&$@$m$&!#(B 2005$BG/(B11$B7n(B02$BF|!!%=%K!<(BBMG$B$N%3%T!<%W%m%F%/%H$K$O%k!<%H%-%C%H$N5!G=$,!*(B $B%&%$%k%9$K0-MQ$5$l$k2DG=@-$,$"$k$+$iLdBj$J$N$G$O$J$/!"%=%K!<(BBMG$B<+?H$,HH:a9T0Y$H$_$J$5$l$F$b;EJ}$,$J$$9T0Y$r$7$?$3$H$,LdBj$K$5$l$k$Y$-$G$"$k!#8D?ME*$K$O7:;vH3$,2<$5$l$k$Y$-$@$H;W$&!#(B
mp3packer.pl -b 320 vbr.mp3 cbr320.mp3
($B$b$7$/$O(B perl "c:\bin\mp3packer.pl" -b 320 vbr.mp3 cbr320.mp3)
$B%5%$%:(B(byte) $B:F@8;~4V(B(sec)
------------------------------------------------------------------------------
$B05=LA0(B 625719068 3547
$B%(%s%3!<%@!<(B $B%5%$%:(B ($B=L$s$@3d9g(B) $B%(%s%3!<%I;~4V(B($BB.EY(B) $B%G%3!<%I;~4V(B($BB.EY(B)
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mp4alsRM16 418984713 (33.0%) 179 (19.8) 130 (27.3)
wavpack4.3 -h 415151850 (33.7%) 121 (29.3) 125 (28.4)
wavpack4.3 424060956 (32.2%) 93 (38.1) 93 (38.1)
flac1.1.2 428533085 (31.5%) 110 (32.2) 90 (39.4)
$B%5%$%:(B(byte) $B:F@8;~4V(B(sec)
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$B05=LA0(B 625719068 3547
$B%(%s%3!<%@!<(B $B%5%$%:(B ($B=L$s$@3d9g(B) $B%(%s%3!<%I;~4V(B($BB.EY(B) $B%G%3!<%I;~4V(B($BB.EY(B)
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mp4alsRM16 418984713 (33.0%) 178 (19.9) 128 (27.7)
mp4als_intel 418984713 (33.0%) 107 (33.1) 118 (30.1)
wavpack4.3 424060956 (32.2%) 93 (38.1) 97 (36.6)
Even if --athaa-sensitivity 1 is not the right answer to current quality issues audible with -V5 preset, it's at least a temporary fix, which works pretty well, and which is available for the end users by using 3.98 alpha - available on rarewares.
[track gain] $B%5%s%W%k2;8;(B
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[+7.98dB] ATrain (Jazz)
[-7.82dB] Blackwater (Rock)
[+3.53dB] LisztBMinor (Classical)
[+7.68dB] BachS1007 (Classical)
[-3.00dB] Bayle___Jeita_or_Waters___Murmur___Etching (Electronic)
[-0.89dB] Track01__Avison___Concerto_Grosso_30_sec_ (Classical)
[$BJ?6QE@?t(B] $B%(%s%3!<%@!<(B
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[4.61] High Anchor: LAME 3.97b1 -V2 --vbr-new
[4.17] Ogg Vorbis: aoTuV beta -q4.00
[4.14] AAC iTunes: iTunes 6.0.0.18 (QuickTime 7.0.3) AAC VBR 128kbps
[3.83] MP3 LAME: LAME 3.98a2 -V5 --vbr-new
[3.50] AAC Nero: aac.dll v.3, aacenc32.dll v.4.2.1.0, internet profile
[$BJ?6QE@?t(B] $B%(%s%3!<%@!<(B
------------------------------------------------------------------------------
[4.58] High Anchor: LAME 3.97 beta 1 -V2 --vbr-new
[4.22] AAC iTunes: iTunes 6.0.0.18 (QuickTime 7.0.3) AAC VBR 128kbps
[4.18] Ogg Vorbis: aoTuV beta -q4.00
[3.79] AAC Nero: aac.dll v.3, aacenc32.dll v.4.2.1.0, internet profile
[3.66] MP3 LAME: LAME 3.98a2 -V5 --vbr-new
[1.21] Low Anchor: mbaacencoder version 0.3 Main Profile, 128 kbps, dual stereo
(^_^))(^_^))
$B4XO"(B $B"*(B 20051111-1$B!"(B20051107-1$B!"(B20051105-1
$B4XO"(B $B"*(B 20051107-1$B!"(B20051105-1
[3.83] high anchor : LAME 3.97 alpha 11 --abr 131
[3.58] Ogg Vorbis : aoTuV / LANCER beta 4 based on SVN 1.1.1 -q2,00
[3.43] AAC-LC : iTunes 4.9 / QuickTime 7.02 CBR 96
[3.11] MP3 : LAME 3.97 alpha 11 --abr 99
[2.69] WMA Standard : 9.1 Serie CBR 96
[1.88] MPC : mppenc 1.14 --xlevel --quality 3 (ou --thumb)
[4.05] Ogg Vorbis : aoTuV / LANCER beta 4 based on SVN 1.1.1 -q2,00
[3.70] high anchor : LAME 3.97 alpha 11 --abr 131
[3.37] AAC-LC : iTunes 4.9 / QuickTime 7.02 CBR 96
[2.81] MP3 : LAME 3.97 alpha 11 --abr 99
[2.44] MPC : mppenc 1.14 --xlevel --quality 3 (ou --thumb)
[1.74] WMA Standard : 9.1 Serie CBR 96
$B4XO"(B $B"*(B $B%m%9%l%905=L(BCD$B%$%a!<%8!\%-%e!<%7!<%H$K$D$$$F(B