Chapitre 6 - Codage du son

!
"
"
#"
!
%
$
""
$
$
&
'
(
)
*)
*
*)
*)
$
"
" .
" #/
*
$
'
(
(
(
(
+
+
),
)
"
*"!
*
! ) )/
#
)
)
.
.
#
!
0
0
"
"
.
"
# " )1)
# " #/ 0
) "*
"
/
2*
*)
"!
*
3
#
3
"
"
)
)
!
.
.
"*
)
*
% 4)
#
"2
,
*)
.
*
#
*)
)
.
.
"!
"
"
")
!) "
!
""
)
"
"
2
". "
!) "
" )
"2"! #
2
" #
")
"
")
&
"
" .
" )
.
40
30
20
10
)
0
-10
-20
"
!
!
""
0
/ #
!/5 * "!
""
"! * )
" " * 4")
/" "! * )
" "" *
* "
""
6 )
7
8 )
•
•
•
"
*.
/
*.
!
!* )
)
""
"0 ""
1
!
"
2" * .
)
.
) )
)
1
".
%
"
/"
" "
"
##
$
8
""
)
"
7
7
&
&
(
999
$99
@
9
$'99 >999
9(
9(9
9999 '' 99
'>999
<
"
•
"
"
>/
>/
/
/
/
)
"/
"
: ,;
) .
**
7
. <
)
, 1) =
. " # "
&
"
. " =
=
<
"
$992$'99BC
"
>?
?
> ?
A ?
>A?
"
$
•
•
•
"
) 2
.
,* "
"
)
!) "
= )) "
)
" ""
)
"
"
).
".
"
"
)
<G
)
=
H=
# & **
"!
"!
")
" !
"
@@<
I
I
I
> E>999D ' F/
< "
*)
*
" *
G #
"=
*)
" "
**
""
/
# ,
()0
>999 *
0
*.
<'999BC=
>
/ 8
D (
# ,
/"
"! "" #
" "!) "
!
"
0
) " 0" # , !) "
/
"
"
)
I
)
. " "
)
#
"
"
" # " " **
" # . !" # "
"!
, )
!
F
"* . "
*
,
*
""
**
2
")
)
. "
"" )1)
)/
/
1
)
.
"!
) )
"/
< / =
"
!
)
))
# )
# "
4
)/ , " "
**
0" # "
,
!
""
)
2
) )
"4 )
" #
"
"
. "* )
"2
'
0/ #
"
" !
0#
"
8
)
,
F
•
•
•
,
"
•
•
•
•
•
•
"
#
)
"
)
=
")
"<&
"
)
)
" )
"
"
"
/"
. "
# ")
/
0
. "
. "
. "
)/
. "
"
< )) #
))
=+
"
&
/"
)
" )
")
)
0
A$ 0
JB
0
&
0
K
0
*
)
"
))
))
. "
)
0" * .
!
""
"
)
<*",
0
=
.
"
"
(
!
L
"
"
)
"
"
$=
? C=
3
!
)
0
*
)
"! "%
3"! * )
/
#
'2
M 2
&
#
@@
*
*
""
/
) ")
.
2
<
" "
"
4/
"! "" <
9 BC
9
"
" * " "!
)
" "" *
.
)
)
)
0"
/"
F "!. # "
"
9 &
$
$ "
#
G :
"
"
$
%
$ "
G # @ )
@ )
*
%
@ )
. "
%
@ )
)
" 2G
H
)
)
#
#"
"
)
"!
"
:8
Format créé il y longtemps par Creative Labs pour être utilisé dans les premières
cartes Sound-Blaster sous DOS.
N
G
Format de fichiers son de Sun Microsystems pour Unix.
G
H
)
#
#
"
L '
8
&
?
7
K
)
#
" 7 "6 H F
"
: /
))
# *)
@ )
)
"/
"
*
& musical instrument digital interface
*
)
. )
)
" <
)
0
0
K=
*
.
# 1 ) * 0
2
"!
"
"
)
)
"
@
"
"?
F
"* )
5
,
%
") .
7 "
@ )
*
)
K
#
&!
< )
<
"
*
)K
&7
$ " "&
*- 0"
=2"!
) =
:
#
#
*
))
2
#
,
#
&
. "!
+ : 0 8:0
0"
""
L 0
&
#
•
o G
o G
o
o K
•
#
+
H
)
"%
OF / ,
"
o
o
"H #
o
%
o
"
o K
!
G
•
"
"
o
/
o
" %
o K
•
#
o
/
o P
$L
o
&,
o K
•
o
o
" F
o K
)
)
H
)
"