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參數資料
| 型號： | W58105 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 音頻合成 |
| 英文描述： | ADPCM Voice Synthesizer(ADPCM話音合成器) |
| 中文描述： | 20 SEC, SPEECH SYNTHESIZER, UUC16 |
| 文件頁數： | 15/41頁 |
| 文件大小： | 195K |
| 代理商： | W58105 |
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W581xx Design Guide
-
15 -
(7). H4
and
T4
are the Head file and Tail file with 4-bit ADPCM data format. These two files can be
used to eliminate the popping sound which may occur when the sound starts and stops. The following
is a sample waveform:
0.25Kbit
0.25Kbit
H4
T4
0
1/2V
V
0.25Kbit
0.25Kbit
H4
T4
[silence]
If the voice (H4+....+T4) doesn't play smoothly, then NH4 and NT4 can be used to displace H4 and
T4. By using NH4 and NT4 smooth playing voices can be created, however more ROM memory is
required (around 0.66Kbits).
(8). Flexible combination of unlimited "( )":
This feature can be used in writing speech equations.
This feature reduces program writing time but does not save program memory.
For example:
EQ1: H4+2*(A+2*(B+2*(C+3*D)))+T4
EQ2: H4+A+B+C+3*D+C+3*D+B+C+3*D+C+3*D+A+B+C+3*D+C+3*D+B+C+3*D+C+3*D+T4
These two speech equation are the same. After compiling, these two speech equations will occupy
the same program memory size. Note that EQ1 is much easier to write and understand than EQ2.
There is no limit in the number of "( )". However, each pair of "( )"” must be written on the same line.
4. Programmable Power-on Initialization
Whenever the W581XX Enhanced
PowerSpeech
is powered on, the programs contained in the
32nd voice group will be executed immediately. Programs can therefore be written into this group to
set the initial power-on state. If the user does not wish to execute any programs at power-on, an
"END" instruction should be entered in group 32.
5.
PowerSpeech
Program Format
The W581XX
PowerSpeech
has a programming language to define the product functions. An
example of the W581XX
PowerSpeech
program format is shown below. Explanatory notes follow
the example (for reference only)
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| W58120 | ADPCM Voice Synthesizer(ADPCM話音合成器) |
| W583S99 | HIGH FIDELITY Power Speech |
| W583M02 | HIGH FIDELITY Power Speech |
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