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STA310 数据表(PDF) 81 Page - STMicroelectronics

部件名 STA310
功能描述  62-CH. MULTISTANDARD AUDIO DECODER
PDF  90 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STA310 数据表(HTML) 81 Page - STMicroelectronics

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STA310
9.23 Linear PCM (DVD video and PCM)
registers
LPCMV_DOWNMIX
Downmix
Address : 0x6F
Type: R/W
Software Reset: NC
Hardware Reset: UND
Description;.
The notation, 2/0 represents 2 front speakers and no
surround speakers.
LPCMV_FORCE_DWS
Downsampling 96 to 48KHz
Address: 0x70
Type: R/W
Software Reset: NC
Hardware Reset: UND
Description:
This register selects whether downsampling is used
for input streams requiring a sampling frequency of
96KHz.
When ’automatic’ is selected, register is automatical-
ly updated to correspond to the new output frequen-
cy.
LPCMV_DM_COEFT_0
Downmix phase coefficients 0
Address: 0x97
Type: R/W
Software Reset:NC
Hardware Reset: UND
Description:
This register sets the phase coefficients for channels
mixing to Lmix. The input signal is inverted when
PH_xL = ’0’ and non-inverted when ’1’.
LPCMV_DM_COEFT_1
Downmix phase coefficients 1
Address: x98
Type: R/W
Software Reset:NC
Hardware Reset: UND
Description:
This register sets the phase coefficients for channels
mixing to Rmix. The input signal is inverted when
PH_xR = ’0’ and non-inverted when ’1’.
LPCMV_DM_COEFT_2
Downmix gain coefficients 2
For details see register 0x99
LPCMV_DM_COEFT_3
Downmix gain coefficients 3
For details see register 0x9A
LPCMV_DM_COEFT_4
Downmix gain coefficients 4
For details see register 0x9B
7654321
0
Reserved
Value
Value
Description
0
Downmix not applied
1
Force downmix 2/0
7
65432
1
0
Reserved
Value
Bitfield
Description
Value
00: Automatic (if Fs = 96KHz)
01: Automatic (if Fs = 96KHz)
10: No downsampling
7654321
0
PH_0L PH_1L PH_2L PH_3L PH_4L PH_5L
Reserved
7
654
32
1
0
PH_0R PH_1R PH_2R PH_3R PH_4R PH_5R Reserved



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