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Noise Canceling Headphones
MDR-NC300D
©2009 Sony Corporation Printed in Malaysia
プロダクトインフォメーション
Product Information
4-145-681-
01
(1)
2
1. ...........................................................................................................................................................................................................................................3
2. ...................................................................................................................................................................................4
2-1 .........................................................................................................................................................................................4
2-2 DNC ...........................................................................................................................................................................................6
2-3 AI .........................................................................................................................................................................8
2-4 .................................................................................................................................................................................10
3. .................................................................................................................................................................................................................12
3-1 .....................................................................................................................................................12
3-2 S-Master ...................................................................................................................................................................................16
3-3 16 mm .......................................................................................................................................17
4. ..........................................................................................................................................................................................................................18
4-1
• • •
.....................................................................................................................................................................18
4-2 7 ........................................................................................................................................................................19
. ........................................................................................................................................................................................................20
3
1.
AV AV
AV
1995
MDR-NC300D
4
2.
2-1
(NC)
NC
NC DNC <CXD9952GR>
5
NC
DNC
NC
CXD9952GR
6
2-2 DNC
DNC
A/D DNC
AV A/D 12
DNC
S-Master 16
7
[ ]
NC NC
DSP
CXD9952GR
A/D
DNC
AI
A/D
AV
S-Master
8
2-3 AI
AI
A: NC B: NC
C: NC
A: NC B:
NC C: NC OA
AI NC
9
AI
NC
[ A: NC ] [ B: NC ] [ C: NC ]
DNC
10
2-4
• •
11
NC OPTIMIZE
VOLUMESOUND MODE HOLD POWER
NC OPTIMIZE
12
3.
3-1
13
AV Hi-Fi
14
3
3
NORMAL
BASS
MOVIE
AV
15
MOVIE
16
3-2 S-Master
S-Master
LPF
S Master
S-Master S-Master
17
3-3 16 mm
16 mm
13.5 mm
16 mm
MDR-NC22
MDR-NC300D
18
4.
4-1
• • •
16 mm
19
4-2 7
2
7
ML LL
S M L
SS MS
20
.
Total Noise Suppression Ratio :TNSR
TNSR = 10 log ( P / P
0
)
P
0
=
P =
*
/
