參數(shù)資料
型號(hào): STV8217
廠商: 意法半導(dǎo)體
英文描述: Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders
中文描述: 數(shù)字音頻解碼器/處理器為A2和麗音電視/錄像機(jī)
文件頁數(shù): 110/149頁
文件大小: 2775K
代理商: STV8217
Register List
STV82x7
110/149
STSRND_LEVEL
ST WideSurround Gain Register
OMNISURROUND_CONTROL Register Description
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 29
.
Table 29: 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)
0111 1111
0111 1110
0111 1101
........
100%
99.2%
98.4%
97.6%
0000 0100
0000 0011
0000 0010
0000 0001
0000 0000
3.1%
2.3%
1.6%
0.8%
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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