- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄363665 > NSAM265SFA (National Semiconductor Corporation) CompactSPEECH Digital Speech Processors PDF資料下載
參數(shù)資料
| 型號： | NSAM265SFA |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | CompactSPEECH Digital Speech Processors |
| 中文描述： | CompactSPEECH數(shù)字語音處理器 |
| 文件頁數(shù)： | 29/58頁 |
| 文件大?。?/td> | 712K |
| 代理商： | NSAM265SFA |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁當(dāng)前第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁
3.0 Command Set
(Continued)
SV
NSAM265SR
&
Set Vocabulary Typetype id
NSAM265SF
&
This command selects the vocabulary table to be used for
voice synthesis. The vocabulary type is set according to the
1-byte type parameter:
0: Internal vocabulary (default)
1: External vocabulary in ROM
2: External vocabulary in AFLASH (NSAM265SF only)
all others: Reserved
If type is 0, id is ignored.
Each external vocabulary table has a unique id which is part
of the vocabulary internal header (See the IVS User’s Manu-
al for more details). If type is 1 or 2, the CompactSPEECH
searches for the one byte id parameter in each vocabulary
table header until a match is found.
If the id parameter does not point to a valid IVS vocabulary
ERRDPARAM is set in the error word.
SW
NSAM265SR
&
Say Wordsn word
1
... word
n
NSAM265SF
&
This command accepts the number of words to synthesize
(n, 1 byte), followed by the indexes of the words (1 byte
each) in the current vocabulary.n can be 1 to 8. It plays the
words. On completion, the EVDNORMALDEND bit in the
status word is set, and the MWRQST signal goes low.
If one of the words is not defined in the current vocabulary
or if it is an IVS control or option code, ERRDPARAM is set
in the error word.
TUNE
NSAM265SR
&
Tuneindex parameterDvalue
NSAM265SF
&
Sets the value of the tunable parameter identified by index
(one byte) to the 2-byte value,parameterDvalue. This com-
mand may be used to tune the DSP algorithms to a specific
Data Access Arrangement (DAA) interface, or to change
other parameters. If you do not use TUNE, the Compact-
SPEECH uses default values.
Ifindex does not point to a valid tunable parameter, ERRD
PARAM is set in the error word.
Note:
The tunable parameters are assigned with their default values on
application of power. The INIT command does not affect these pa-
rameters.
Table 3-1 describes the tunable parameters, their index
numbers and their default values.
TABLE 3-1. Tunable Parameters
Index
Parameter Name
Description
Default
0–3
Reserved
D
4
DSILDTHRESHOLD
Prevents speech from being interpreted as silence. The silence detection
algorithm has an adaptive threshold, which is changed according to the noise
level. This parameter is, therefore, only the initial threshold level.
11264
Legal values: 9216 to 13824 in 512 (6 dB) steps.
5
DSILDTHRESHOLDDSTEP
Defines the adaptive threshold changes step. If this threshold is too low, the
threshold converges too slowly. If this threshold is too high, silence detection is
too sensitive to any noise.
12
Legal values: 3 to 48.
6
DSILDBURSTDTHRESHOLD
The minimum time period for speech detection, during silence. As this threshold
increases, the time period interpreted as silence increases. If this threshold is
too low, speech is detected if there is a burst of noise. If it is too high words may
be partially cut off.
2
Legal values: 1 to 3.
7
DSILDHANGDTHRESHOLD
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. silence is detected.
15
Legal values: 8 to 31.
8
DSILDENABLE
Silence compression control.
0 turns silence compression off.
1
9
DENERGYDFACTOR
Determines the energy level used to synthesize silence. The default value
means that the energy level of the synthesized silence will be the same as the
energy level of the recorded silence.
8192
If you divide (multiply) the default value by two, the synthesized silence will be 6
dB less (more) than the level of the recorded silence.
Legal values: 1024 to 16384.
29
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| NSAM265SRA | CompactSPEECH Digital Speech Processors |
| NSAM266SVLJ | 4 Mbit Uniform Sector, Serial Flash Memory |
| NSAM266SA | 4 Mbit Uniform Sector, Serial Flash Memory |
| NSAM266SAA | 4 Mbit Uniform Sector, Serial Flash Memory |
| NSB8 | BASIC interpreter for Z80 family |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NSAM265SFAV | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Solid-State Recorder |
| NSAM265SFAVLJ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Solid-State Recorder |
| NSAM265SR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| NSAM265SRA | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:CompactSPEECH Digital Speech Processors |
| NSAM265SRAV | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Solid-State Recorder |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。