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参数资料
| 型号： | YSS902 |
| 厂商： | Yamaha Corporation |
| 英文描述： | One chip LSI Consisting of Dolby Digital (AC-3) / Pro Logic decoder amd a Sound Processing DSP(含杜比系统（AC-3）/前置逻辑译码器和声音处理DSP的集成电路) |
| 中文描述： | 一个芯片LSI，杜比数字组成（交流- 3）/定向逻辑解码器的AMD健全处理DSP（含杜比系统（交流- 3）/前置逻辑译码器和声音处理数字信号处理器的集成电路） |
| 文件页数： | 1/12页 |
| 文件大小： | 623K |
| 代理商： | YSS902 |
YSS902
AC3D
Dolby Digital (AC-3) / Pro Logic decoder + Sub DSP
YSS902 CATALOG
CATALOG No.:LSI-4SS902A4
1999. 7
INTRODUCTION
The YSS902 is one chip LSI consisting of two built-in DSP’s ; Dolby Digital (AC-3) / Pro Logic (Main DSP) and a
sound processing DSP (Sub DSP). Sub DSP is capable of realizing various sound fields, such as virtual surround, by
down-loading the program and coefficient.
FEATURERS
Dolby Digital 5.1 channel full decode.
24 bit DSP. (Group-A Dolby Digital decoder)
No external memory is required. (Memories for center and surround channel delay are included)
Possible to decode multi-language encoded data. (possible to decode based on data-stream-number)
AC-3 karaoke mode.
Original compression modes as well as four compression modes recommended by Dolby.
Dolby Digital decoding latency is fixed to two audio blocks (512 samples).
Included de-emphasis filter.
Pro Logic decoding for Dolby Digital 2 channels decoded signal as well as ordinary PCM.
High performance 25 MIPS programmable DSP suitable for a variety of sound field processing such as original
surround, filtering, virtual surround etc.
Up to 1.36 second delay time is capable when used with an external 1Mbit SRAM. (at fs= 48 kHz)
Reads Dolby Digital decode information through the microprocessor interface.
Provide total sixteen I/O ports.
Possible to connect most of SPDIF receivers, A/D and D/A converters, by setting I/O data interface format.
Has a built-in PLL oscillation circuit to generates its own operating clock.
Internal operating clock is 25MHz.
Supply Voltage: 3.3v for core logic. 5v for I/Os.
Power saving mode.
Si-gate CMOS process.
100 QFP.(YSS902-F)
Note: "AC-3" and "Pro Logic" are registered trademarks of Dolby Laboratories Licensing Corporation.
Use of this LSI must be licensed by Dolby Laboratories Licensing Corporation.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| YSS902-F | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Consumer IC |
| YSS903 | 制造商:YAMAHA 制造商全称:YAMAHA CORPORATION 功能描述:Karaoke Processor 2 for Video disc player |
| YSS903M | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Consumer IC |
| YSS906N | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Consumer IC |
| YSS912C | 制造商:未知厂家 制造商全称:未知厂家 功能描述:DOLBY DIGITAL (AC-3) / PRO LOGIC / DTS DECODER + SUB DSP |
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