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STV82X7 データシート(PDF) 116 Page - STMicroelectronics

部品番号 STV82X7
部品情報  Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders
PDF  156 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV82X7 データシート(HTML) 116 Page - STMicroelectronics

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Register List
STV82x7
116/156
STSRND_LEVEL
ST WideSurround Gain Register
OMNISURROUND_CONTROL
STSRND_TREBLE[1:0] 01
Defines the treble frequency effect for ST WideSurround Sound in Movie or Mono mode (no
effect in Music mode). Programmable values are listed in Table 30.
Table 30: Phase Shifter Center Frequencies
Phase Shifter Center Frequency
BASS_FREQ[1:0]
MEDIUM_FREQ[1:0]
TREBLE_FREQ[1:0]
00
40 Hz
202 Hz
2 kHz
01 (Default)
90 Hz
416 Hz
4 kHz
10
120 Hz
500 Hz
5 kHz
11
160 Hz
588 Hz
6 kHz
Address: C6h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
STSRND_GAIN[7:0]
Bit Name
Reset
Function
STSRND_GAIN[7:0] 10000000
Defines the ST WideSurround Sound component gain in linear scale.
Level (%)
Level (%)
1000 0000 (Default)
100%
0000 0100
3.1%
0111 1111
99.2%
0000 0011
2.3%
0111 1110
98.4%
0000 0010
1.6%
0111 1101
97.6%
0000 0001
0.8%
........
0000 0000
0%
Address: C7h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
LFE
ST_VOICE[1:0]
FRONT_
BYPASS
OMNI_SURND_INPUT_MODE[3:0]
OMNISRND_ON
Bit Name
Reset
Function
LFE
0
0: Do not use LFE channel
1: Generate LFE channel
Bit Name
Reset
Function



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