Portege620 (ES688)

»‘¢Œ³ F Toshiba

Chip : ESS ES688

Version :

OS F Linux-2.0.30

Driver : USS Lite version 3.5.4

[‘ª’èŠT—v] [ƒTƒEƒ“ƒhƒJ[ƒh‚Ì”“Á«]

2 Line-out Ķ“Á« ‘ª’茋‰Ê

2.1 Žü”g”“Á«

Playback freqeuncy responce of t620 (ESS1688)

2.2 S/N”äiƒ_ƒCƒiƒ~ƒbƒNƒŒƒ“ƒWj

L F 78‚„B

R F 77‚„B

2.3 ƒNƒƒXƒg[ƒN

’PˆÊ‚ÍdB L->R R->L
125Hz 53 50
1‚‹Hz 56 53
8‚‹Hz 59 55

2.4 ‘‡˜c‚Ý—¦

dB L R
125Hz -63 (0.071%) -64 (0.063%)
1‚‹Hz -64 (0.063%) -65 (0.056%)
8‚‹Hz -73 (0.022%) -72 (0.025%)

akira@rsch.tuis.ac.jp