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| 型號： | AP77016-B17 |
| 英文描述： | USAP77016-B17 User＇s Manual | User＇s Manual[01/2003] |
| 中文描述： | USAP77016 - B17用戶手冊|用戶手冊[01/2003] |
| 文件頁數(shù)： | 12/47頁 |
| 文件大?。?/td> | 291K |
| 代理商： | AP77016-B17 |
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CHAPTER 1 OVERVIEW
User’s Manual U15152EJ2V0UM
12
1.2.1 Decoder outline
Figure 1-1 is a sample configuration of decoding using
μ
SAP77016-B08.
Figure 1-1. Sample Configuration of Decoding
IN
(AAC Encode
Data)
OUT
Same sampling
frequency as DAC
Variable bit rate
Decoder (AAC)
DAC
(1) AAC Encode Data
AAC Encode Data is data in which sampled 16-bit linear PCM data is encoded. For sampling frequencies,
refer to
Table 1-1 Sampling Frequencies
. The maximum value of the bit rate differs according to the
sampling frequency. The bit rate can have any value up to the maximum value. Table 1-2 shows the
maximum values of bit rate.
Table 1-2. Maximum Bit Rates
Sampling Frequency
[Hz]
Maximum Bit Rate
[kbps/ch]
8000
48
11025
66.15
12000
72
16000
96
22050
132.3
24000
144
32000
192
44100
264.6
48000
288
64000
384
88200
529.2
96000
576
(2) AAC decoder (Decoder(AAC))
The AAC decoder (Decoder(AAC)) reads input data, performs decoding, and outputs 16-bit linear PCM data.
It decodes and outputs at most two front channels.
In ADTS format, it performs CRC processing as error compensation at the end.
(3) DAC
The DAC converts 16-bit linear PCM data to an analog signal.
The DAC must operate at the sampling frequency attached to the encoded data.
If the sampling frequency of the encoded data differs from the DAC, separate frequency conversion software
(such as a rate converter) is needed.
相關(guān)PDF資料 |
PDF描述 |
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| AP77016-B19 | USAP77016-B19 User＇s Manual | User＇s Manual[03/2003] |
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| AP77016-B03 | uSAP77016-B03 G.729 Speech Codec Middleware | User＇s Manual[10/2000] |
| AP77016-B04 | uSAP77016-B04 G.723.1 Audio CODEC Middleware | User＇s Manual[10/2000] |
| AP77016-B05 | USAP77016-B05 MPEG-4 CELP Speech Codec Middleware | User＇s Manual[12/2000] |
相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AP77016-B19 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:USAP77016-B19 User＇s Manual | User＇s Manual[03/2003] |
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| AP7721 | 制造商:American Power Conversion Corp 功能描述:RACK, AUTOMATIC TRANSFER SWITCH, 230V, 12 OUTLETS, 10A 制造商:Schneider Electric 功能描述:RACK ATS, 10A/230V, 12A/208V, C14 IN, (12) C13 OUT |
| AP7722 | 制造商:Schneider Electric 功能描述:Rack ATS, 16A, 230V, (2)IEC 309 in, (1)IEC 309 out |
| AP7722A | 制造商:Schneider Electric 功能描述:Rack ATS, 16A, 230V, (2)IEC 309 in, (1)IEC 309 Out |
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