參數(shù)資料
型號: ISD-T360SB
廠商: Electronic Theatre Controls, Inc.
英文描述: VoiceDSP Digital Speech Processor with Master/Slave, Full-Duplex Speakerphone, Multiple Flash and ARAM/DRAM Support
中文描述: VoiceDSP數(shù)字語音處理器與主/從,全雙工揚聲器,多重閃光和雅藍(lán)/內(nèi)存支持
文件頁數(shù): 92/109頁
文件大?。?/td> 1567K
代理商: ISD-T360SB
2-52
2—SOFTWARE
ISD-T360SB
Voice Solutions in Silicon
7
Voice Activity
Detection (VAD):
VAD_SIL_HANG_THRESH
OLD
The minimum time period for silence detection, during
speech. As this threshold increases, the time period
interpreted as silence decreases.
If this threshold is too low, words may be partially cut off. If it is
too high, no silence is detected.
Legal values: 8 to 31.
15
8
Voice Activity
Detection (VAD):
VAD_SIL_ENABLE
Silence compression control.
0 turns silence compression off.
Note: Silence compression must be turned off when using
ARAM for voice storage. Otherwise the playback quality is
unpredictable.
1
9
Voice Activity
Detection (VAD):
VAD_ENERGY_FACTOR
Determines the energy level used to synthesize silence. For the
default value, the energy levels of the synthesized silence and
the recorded silence are the same.
If you divide (multiply) the default value by two, the
synthesized silence is 6 dB less (more) than the level of the
recorded silence.
Legal values: 1024 to 16384.
8192
70
SW Automatic Gain
Control (SW AGC):
SWAGC_ENABLE
SW AGC control.
0 turns SW AGC off.
1
11
SW Automatic Gain
Control (SW AGC):
SWAGC_FACTOR
Determines the maximum gain that the SW AGC algorithm
may use.
Legal values: 0, 1, 2, 4, 8, 16, 32, 64, 128
Note: Value 0 means the the maximum gain is defined by the
algorithm.
128
Table 2-4: TUNABLE PARAMETERS: Voice Compression and Decompression (VCD)
Index
Parameter Name
Description
Default
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