??P??????????? (1)

1
????????
? ? ???? I ? ?
???????????????? ?????????????
2
??????????
3
?????? ????????
4
??P??????????? (1)
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??P??????????? (2)
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n?????????
7
??????????
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??????????????????
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????? (?3.3)
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???????(??????)
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2????????????????
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??????? (?4.2)
coding
sampling
quantizing
PCM
Pulse Coded Modulation
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6.1 ?????????
????? noise
??????? ?????P
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?????R,?????P
15
?????P???
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????? ?????P
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6.2 ??????
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7 ???????????????

• 7.1 ?????
• 7.2 ???????
• 7.3 ??????1????
• 7.4 ????????????
• 7.5 ???????
• 7.6 ??????2????
• 7.7 ???????????????

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7.1 ????? (1)
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7.1 ????? (2)
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??????1??????2????
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7.2 ???????
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7.3 ??????1????
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??????1???? (1)
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??????1???? (2)
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7.4 ????????????
?????????? ????????? ??L??????? ?????P(Ai)??? ?
?? Ai?????? ??????????? ??? ?????????????
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???????????? (1)
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???????????? (2)
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2??????????
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7.5 ???????
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7.6 ??????2???? (1)
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7.6 ??????2???? (2)
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7.7 ???????????????
?2??????? ????????? ??????? ????????? ????????
?? ????????? ????????? ???? ????? ??????
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2????????? (1)
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2????????? (2)
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2??????????? (1)
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2??????????? (2)