參數(shù)資料
型號(hào)： STA450A
廠商： 意法半導(dǎo)體
英文描述： XMRADIO SDARS SERVICE LAYER & SOURCE DECODER
中文描述： XMRADIO衛(wèi)星數(shù)字收音機(jī)服務(wù)層
文件頁數(shù)： 35/66頁
文件大?。?/td> 439K
代理商： STA450A
35/66
STA450A
3.3.6
FADE_IN_OUT
3.3.7
SOFT_MUTE
BYTE
FIELD
VALUE
DESCRIPTION
0
HARD_MUTE_CFM
0x84
DSP hard mute confirmation
BYTE
FIELD
VALUE
DESCRIPTION
0
FADE_IN_OUT _REQ
0x05
DSP Fade In/Out Request header
1
nr_fadeout_frames
0x03 – Default
Number of fadeout frames until mute state is
reached for frequencies less than 32kbps
2
nr_fadein_frames
0x05 – Default
Number of fadein frames until regular state
is reached for frequencies less than 32kbps
3
nr_valide_frames
0x05 – Default
Number of valid frames before fadein starts
for frequencies less than 32kbps
4
cmftNoiseLimit
0x00 – Min
0x01 – Default
0x64 (100) – Max
This parameter give the maximum level for
‘comfort noise’. This must be the percentage
value respect to the maximum (for
frequencies less than 32kbps)
5
nr_fadeout_frames
0x06 – Default
Number of fadeout frames until mute state is
reached for frequencies greater than 32kbps
6
nr_fadein_frames
0x05 – Default
Number of fadein frames until regular state
is reached for frequencies greater than
32kbps
7
nr_valide_frames
0x05 – Default
Number of valid frames before fadein starts
for frequencies greater than 32kbps
8
cmftNoiseLimit
0x00 – Min
0x01 – Default
0x64 (100) – Max
This parameter give the maximum level for
‘comfort noise’. This must be the percentage
value respect to the maximum (for
frequencies greater than 32kbps)
BYTE
FIELD
VALUE
DESCRIPTION
0
FADE_IN_OUT _CFM
0x85
DSP Fade In/Out confirmation
1
Command status
0x01 = success
0xFF = command not executed
BYTE
FIELD
VALUE
DESCRIPTION
0
SOFT_MUTE_REQ
0x06
DSP soft mute Request header
1
Soft_playmute
0 – play
1 – soft mute
BYTE
FIELD
VALUE
DESCRIPTION
0
SOFT_MUTE_CFM
0x86
DSP soft mute confirmation
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