參數(shù)資料
型號: SAA2520
廠商: NXP Semiconductors N.V.
元件分類: Codec
英文描述: Stereo filter and codec for MPEG layer 1 audio applications
中文描述: 過濾器和立體聲的MPEG編解碼器1層音頻應(yīng)用
文件頁數(shù): 12/36頁
文件大?。?/td> 151K
代理商: SAA2520
August 1993
12
Philips Semiconductors
Preliminary specification
Stereo filter and codec for MPEG layer 1
audio applications
SAA2520
Table 1
SAA2521 input/output control.
Table 2
Frequency examples.
FRESET
FDIR
SYNCDAI
output
output
output
request a general reset of SAA2521
'1' for decoding and '0' for encoding mode (common to I
2
S)
pulse for synchronization of digital input/output (TDA1315)
BIT RATE
(k BITS/s)
SBWS FREQUENCY
(kHz)
SBCL FREQUENCY
(kHz)
384
256
192
128
12
8
6
4
768
512
384
256
E
NCODE
M
ODE
The following modes are supported:
Stereo or 2-channel mono with allowable bit rates of 384,
256, 192 and 128 kbits/s; audio sampling frequencies of
48, 44.1 and 32 kHz.
D
ECODE MODE
The following modes are supported:
Stereo and joint stereo, 2-channel mono and 1-channel
mono with allowable bit rates in the range 448 to 32 k
bits/s; audio sampling frequencies of 48, 44.1 and 32 kHz.
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