參數(shù)資料
型號: AP77016-B08
英文描述: USAP77016-B08 AAC Audio Decoder Middleware | User's Manual[10/2002]
中文描述: USAP77016 - B08 AAC音頻解碼中間件|用戶手冊[10/2002]
文件頁數(shù): 18/47頁
文件大?。?/td> 291K
代理商: AP77016-B08
CHAPTER 1 OVERVIEW
User
s Manual U15152EJ2V0UM
18
1.5 Timing Diagram
Figure 1-4 shows the timing diagram of Decoder.
Figure 1-4. Timing Diagram
Obtain compressed
data
AAC decompression
processing
1 RAW data of data length
0
1 RAW data of
compressed data
Time
1 RAW data of
audio data
<1>
<2>
<3>
<4>
User application
16-bit linear PCM
data output interrupt
handler
<1> Read 1 RAW data of compressed data and pass it to decompression processing.
<2> Convert 1 RAW data of compressed data to 1 RAW data of decompressed data.
<3> Buffer decompressed data. Besides this, perform application processing.
If the sampling frequency differs from that of DAC, the user should execute Rate Conversion to convert to
the same sampling frequency as DAC.
<4> Perform D/A conversion of 1 RAW data of 16-bit linear PCM data.
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