19
1
(SOURCE)
2
(SOUND)
(SOUND)
t
t
t
t
3
(SEEK/AMS -)
(SEEK/AMS +)
(SOUND)
எ
(ATT)
(ATT)
d
•
•
•
–
–
•
–
–
•
•
–
–
–
•
–
•
•
–
–
t