參數(shù)資料
型號(hào)： AP77016-B07
英文描述： USAP77016-B07 MP3 Audio Decoder Middleware User＇s Manual | User＇s Manual[09/2002]
中文描述： USAP77016 - B07 MP3音頻解碼器中間件用戶手冊(cè)|用戶手冊(cè)[09/2002]
文件頁(yè)數(shù)： 15/47頁(yè)
文件大?。?/td> 291K
代理商： AP77016-B07
CHAPTER 1 OVERVIEW
User
’
s Manual U15152EJ2V0UM
15
1.3.4 Performance
Table 1-6 shows the MIPS values that are necessary in order to execute one frame processing in real time.
Measurement and Calculation Conditions DSP:
μ
PD77110 (operating frequency: 75 MHz, 75 MIPS)
Sampling frequency: 44.1 kHz
Table 1-6. MIPS Needed in One Frame Decompression Processing
Measurement and Calculation Condition
Decompression Time [MIPS/ch]
Logical maximum MIPS value
Note 1
24.2
Measured maximum MIPS value
Note 2
13.5
Decompression
Measured average MIPS value
Note 2
11.0
CRC
(ADTS only)
Logical
Note 1
value
0.5
Notes 1.
Logical means that the value is calculated by taking the maximum number of cycles for
the number of loops, number of repeats, and algorithm processing route in a program.
2.
Measured means that the MIPS value was measured by actually executing
μ
SAP77016-
B08 on a real machine and decompressing stereo (2-channel) encoded data at an
average bit rate of 128 kbps.
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