sta381bws STMicroelectronics, sta381bws Datasheet - Page 31
sta381bws
Manufacturer Part Number
sta381bws
Description
Sound Terminal 2.1-channel High-efficiency Digital Audio System Sound Terminal 2.1-channel High-efficiency Digital Audio System
Manufacturer
STMicroelectronics
Datasheet
1.STA381BWS.pdf
(168 pages)
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STA381BWS
The STC reacts differently depending on these three parameters
●
●
●
The compressor threshold, the limiter threshold and the compressor rate are all user-
selectable parameters. The compressor threshold range of value is [-48, 0] dB with a
0.25 dB step. The limiter threshold range of values is [-24, +12] dB with a 0.25 dB step. The
compressor ratio range of value is [0, 15], the meaning of these values is specified in
Table
1:1 or setting the compressor threshold greater than the limiter threshold makes the STC
behave as a pure limiter
Figure 10. STCompressor
level meter output value < compressor threshold < limiter threshold: under these
circumstances the signal level is small enough to not require any type of
limiting/compressing action. The signal remains unchanged.
compressor threshold < level meter output value < limiter threshold: under these
circumstances the signal level is compressed to a ratio determined by the compressor
rate.
compressor threshold < limiter threshold < level meter output value: under these
circumstances the signal level exceeds the limiter threshold which represents the
maximum output power allowed. The signal is limited to avoid unpredictable effects and
damages.
10. For further details please refer to
(Figure
TM
Doc ID 018937 Rev 2
behavior
11).
Table
12. Either setting the compressor rate to
(Figure
10):
Device overview
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