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參數資料
| 型號： | W561S15 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 音頻合成 |
| 英文描述： | 4-tone PCM Melody+ADPCM/PCM Voice Synthesizer(4音PCM音樂、ADPCM/PCM話音合成器) |
| 中文描述： | 15 SEC, SPEECH SYNTHESIZER |
| 文件頁數： | 24/62頁 |
| 文件大?。?/td> | 848K |
| 代理商： | W561S15 |
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W561XXX DESIGN GUIDE
- 24 -
S
R
Q
Reset
S
R
Q
Reset
IER.3
IER.2
TG
Time
r
Interrupt
Controller
Reset
LEN INT
RTI
Enable
DIS INT
Disable
IV
Figure 0-5. Interrupt Arbitrator
Speech Synthesis
The W56xxx offers two ADPCM/ PCM synthesizers, synth1 and synth2, for voice reproduction.
The operation of the synthesizers are the same as Winbond's PowerSpeech devices, and are
description as below.
Channel Operation List (COL)
A Channel Operation (CO), which could be a voice segment, certain period of silence, or a
melody phrase, is used to indicate what a channel is to playback with. A COL (Channel
Operation List) contains a list of as many CO's as customers' needs for a certain channel,
channel 1 or channel 2. The following example shows two COLs for channel 1 and channel 2,
respectively.
Ch1: H4 + V1 + Song1 + Song2 + V2 + T4
Ch2: H4 + V1 + V2 + [silence] + V3 + T4
Where H4, T4 are the head file and tail file of ADPCM/PCM voice data. And V1, V2, V3 are
voice segments (*.wam or *.src); [silence] is certain period of silence; Song1 and Song2 are
melody phases (*.tm).
The silence length is represented by 2's complement of the actual length in unit of (3khz)
-1
due to
the essence of up counting, instead of down counting. The W561xxx is said to finish the counting
of the silence length, if overflow condition occurs. Since the width of the register that holds the
silence length is 16 bit, the maximum silence length that can be implemented with each CO is 64
* 1024 * (3khz)
= 21.8 second. Of course, if customer really wants longer silence length, just
add more CO's.
For example :
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相關代理商/技術參數 |
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|---|---|
| W561S20 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| W561S25 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BandDirectorTM Family |
| W561S30 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| W561S40 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BandDirectorTM Family |
| W561S50 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BandDirectorTM Family |
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