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To: FreeBSD-tech-jp@jp.freebsd.org
In-Reply-To: Your message of "Sat, 12 Jun 1999 00:59:57 +0900"
	<199906111559.AAA20577@lavender.yy.cs.keio.ac.jp>
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Subject: [FreeBSD-tech-jp 2211] Re: Sound and PnP device
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> SoundBlaster Pro $B8_49$J$i$P<!$NJ}K!$G:F@82DG=$J$O$:$G$9(B.
> mpg123  --8bit -2 hoge.mp3
>   8bit/22KHz $B$J:F@8$K$J$j$^$9$,(B. $B:F@8$G$-$k$O$:$G$9(B. 

package$B$N(B audio/mpg123 $B$r;}$C$F$-$^$7$?!#(B

: kernel$B$K(B (3.1 + PAO$B$G$9(B)
: controller    snd0
: device sb0      at isa? port 0x220 irq 5 drq 1
: device opl0     at isa? port 0x388
: snd0: <SoundBlaster 2.1> 
$B$J>uBV(B(A)$B$G$O(B $B$J$K$b;XDj$7$J$$(B mpg123 hoge.mp3 $B$G:F@8$G$-$^$7$?!#(B
$B$b$A$m$s(B mpg123  --8bit -2 hoge.mp3 $B$G$b(BOK$B$G$9!#(B

kernel$B$,(B
: device pcm0 at isa? port ? tty irq 5 drq 1 flags 0x15
$B$N>uBV(B(B)$B$G$O(B
$B$J$K$b;XDj$7$J$$(B mpg123 hoge.mp3 $B$O(B NG$B!#(B $B%N%$%:$P$j$P$j!#(B
mpg123 --8bit -2 hoge.mp3 $B$G$O(BOK$B$G$7$?!#(B

$B!v!v!v(B

(A)snd$B%G%P%$%9$G!"(Bmpg123 -v -v -v -v hoge.mp3 $B$r8+$k$H!"(B(*a)

Audio capabilties:
        |  s16  |  u16  |  u8   |  s8   | ulaw  | alaw  |
 --------------------------------------------------------
  8000  |       |       |   M   |       |   M   |       |
 11025  |       |       |   M   |       |   M   |       |
 12000  |       |       |   M   |       |   M   |       |
 16000  |       |       |   M   |       |   M   |       |
 22050  |       |       |   M   |       |   M   |       |
 24000  |       |       |   M   |       |   M   |       |
 32000  |       |       |   M   |       |   M   |       |
 44100  |       |       |   M   |       |   M   |       |
 48000  |       |       |       |       |       |       |

MPEG 1.0, Layer: III, Freq: 44100, mode: Stereo, modext: 0, BPF : 418
Channels: 2, copyright: No, original: Yes, CRC: No, emphasis: 0.
Bitrate: 128 Kbits/s, Extension value: 0
Audio: 1:1 conversion, rate: 44100, encoding: unsigned 8 bit, channels: 1

$B$H$N$3$H$G$9!#85$N%G!<%?$O(B Freq: 44100 $B$N$h$&$G$9$,!"(B
$B$J$<$+e:No$K:F@8$G$-$^$7$?!#(B

$B$^$?(B --8bit -2 $B$r;XDj$9$k$H(B (*b)
Audio: 2:1 conversion, rate: 22050, encoding: unsigned 8 bit, channels: 1
$B$K$J$j$^$9!#$3$l$be:No$K:F@8$G$-$k!#(B($BEvA3!)(B)


$B0lJ}(B (B)pcm$B%G%P%$%9$N$H$-$K(B mpg123 -v -v -v -v hoge.mp3 $B$r8+$k$H!"(B(*c)
Audio capabilties:
        |  s16  |  u16  |  u8   |  s8   | ulaw  | alaw  |
 --------------------------------------------------------
  8000  |  M/S  |  M/S  |  M/S  |  M/S  |  M/S  |  M/S  |
 11025  |  M/S  |  M/S  |  M/S  |  M/S  |  M/S  |  M/S  |
 12000  |  M/S  |  M/S  |  M/S  |  M/S  |  M/S  |  M/S  |
 16000  |       |       |       |       |       |       |
 22050  |       |       |       |       |       |       |
 24000  |       |       |       |       |       |       |
 32000  |       |       |       |       |       |       |
 44100  |       |       |       |       |       |       |
 48000  |       |       |       |       |       |       |

MPEG 1.0, Layer: III, Freq: 44100, mode: Stereo, modext: 0, BPF : 418
Channels: 2, copyright: No, original: Yes, CRC: No, emphasis: 0.
Bitrate: 128 Kbits/s, Extension value: 0
Audio: 4:1 conversion, rate: 11025, encoding: signed 16 bit, channels: 2
$B$H=P$^$9!#$&!<>!<j$K(B 1/4$B3d$j(B? $B$KMn$7$F$/$l$F$$$k!<!#(B
$B$3$l$@$H(B $B%N%$%:$P$j$P$j!#(B

--8bit $B$r;XDj$9$k$H(B 				(*d)
Audio: 4:1 conversion, rate: 11025, encoding: unsigned 8 bit, channels: 2
$B$K$J$j$^$9!#$3$l$Oe:No$KJ9$3$($k!#(B
$B>e$NNc$G$O(B 16bit $B$K$J$C$F$$$k$N$,(B $B%]%$%s%H$J$s$G$9$M!#(B

$B!v!v!v(B

$B$3$3$+$i$O?dB,$J$N$G$9$,(B

mpg123 -v $B$GI=<($5$l$k(B Audio capabilties: $B$N$H$3$m$N0UL#$O(B
$B$3$N<~GH?t(B($BId9g2=(B)? $B$^$G$O:F@8$G$-$^$C$;(B $B$H$$$&0UL#!#(B

$B$3$N(Bchip$B$O(B 8bit$B$N(B 11K$B$NG=NO$7$+$J$$!#(B
	(*c)$B$+$i(B $B$=$&H=CG(B

pcm$B%G%P%$%9$N>l9g$O(B $B%I%i%$%PB&$G2?$b2C9)$r$7$J$$(B($B$7$F$/$l$J$$(B)$B$N$G(B
$B%Q%i%a!<%?$,9g$o$J$$%G!<%?$rAw$j$D$1$i$l$k$H(B $B%N%$%:$K$J$C$F$7$^$&!#(B
	(*c)$B$,$@$a$G(B (*d)$B$,(BOK$B$@$+$i!#(B

$B0lJ}(B $B8E$$(B snd$B%G%P%$%9$N>l9g$O(B 44K$B$@$m$&$,(B 16bit$B$N%G!<%?$rAw$j$D$1$F$b(B
$B%I%i%$%P$,4hD%$k$H$$$&$+(B $B$h$-$K$O$+$i$C$F$/$l$F(B $B:F@8$G$-$k%9%Z%C%/$K(B
$BJQ49$7$F$/$l$k$N$G(B $B$I$s$J%Q%i%a!<%?$GAw$C$F$b2;$,J9$3$($k!#(B
	(*a)$B$G$b(B (*b)$B$G$b(B OK$B$@$+$i!#(B

$B$H2r<a$7$^$7$?!#$=$&$$$&$3$H$J$N$G$7$g$&$+!)(B

$B!v!v!v(B

> x11amp $B$,(B SoundBlasterPro $B8_49%b!<%I$GF0$+$J$$M}M3$OD4$Y$?$3$H$,(B
> $BL5$$$N$G(B, $BITL@$G$9(B. $BK\Mh$O(B 8bit/22KHz $B$GF0$$$FM_$7$$$1$I(B. 

mpg123$B0J30$N(B $B:F@8%=%U%H$G$O(B (A)(B)$B$I$A$i$N4D6-$G$be:No$K:F@8$O$G$-$^$;(B
$B$s$G$7$?!#(B

$B$3$l$O(B $B$I$&$$$&;EAH$_$J$N$G$7$g$&$+!)(B 

$B:F@8$G$-$J$$M}M3$O(B
$B85$N%G!<%?$N(B 44K$B$G(B chip$B$N%9%Z%C%/$r(Bover$B$7$F$k$+$i%N%$%:$K$J$k(B
$B$3$l$O@5$7$$$H;W$&$N$G$9$,(B

snd$B$N;~$K(B mpg123$B$r;H$&$He:No$K:F@8$G$-(B $B$F(B $BB>$N:F@8%=%U%H$@$H(BNG$B$JM}M3$,(B 
$B$A$H$o$+$j$^$;$s!#(B

$BB>$N:F@8%=%U%H$O(B $BCf$G(B $B%9%Z%C%/JQ49$r9T$o$J$$$+$i(B $B:F@8$G$-$J$$!#(B
$B$H;W$C$?$N$G$9$,!"(B
mpg123$B$b(B (*a)$B$r8+$k$H(B 44K$B$N$^$^FM$C9~$s$G$$$k$h$&$K8+$($^$9!#(B
$B$"(B $B$G$b(B 8bit$B$K$J$C$F$k(B.

$B$F$3$H$O$J$K$+$$!)(B
22K$B$N(B 8bit$B$GO?2;$7$?(B($B$G$-$k$s$+$$$J(B?) MP3$B%U%!%$%k$G$"$l$P(B
x11amp hoge.mp3 $B$G:F@8$G$-$k$C$F$3$H$J$s$+$J!)(B
--
	$BHSEg(B $B><Gn(B (Akihiro Iijima) aki@jp.freebsd.org


