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用途解释：光纤 同轴 输出的高清播放器等要接老的模拟5.1功放。那么就得用这款音频解码器
设计：2光纤输入 1同轴输入 1立体声输入 3个3.5mm输出（包含5个声道1个低音）
型号:YT-HD51B
基本功能:DTS/AC-3音频解码器
一.设计理念：
DTS/AC3音频解码器,广泛用于电脑PC,笔记本,PS3,XBOX360,高清播放机,高清机顶盒,DM500/DM800,蓝光DVD,HD-CD机等音视频播放机输出的源码音频进行解码,还原到DTS/杜比声场,让众多家庭，学校，广场，音乐厅,电影院等场所享受DTS或杜比声场带来的震憾效果.
二.功能与特点:
1. 将DTS/AC-3源码数字音频信号解码,转为模拟5.1声道音频信号
2. 将模拟stereo(R/L)信号通过音频处理芯片,转为模拟5.1声道音频信号
3. 2路SPDI光纤输入,1路coaxial同轴输入,1路stereo立体声输入，更加完善多路数字音频输出带来的切换更加方便
4. USB 5V供电输出，方便外接带USB供电的5.1耳机
5. 多通道一键式切换,方便快捷，同时立体声与5.1声道切换
6. 性噪比：120db
7. 分离度：80db（1KHZ）
8. 响应频率：20Hz~20KHz +/- 0.5db
9. 模拟输出电平：2.2V
10. 产品外观尺寸:105x75x25mm
三.接口功能:
1.输入接口:光纤，同轴，立体声
2.输出接口:中置（CEN)，前左（FL),前右（FR),后左（SL),后右（SR),重低音（SW)
四.产品优势:
1.输入接口丰富:光纤,同轴,模拟音频接口
输出接口：FL/FR,SL/SR,CEN/SW,USB-5V OUT
2.使用全球最大的音频解码芯片,可解DTS/杜比数字音频源码
3.适用范围广：网络播放机,高清视频播放机,蓝光DVD,DVD,SP3,XBOX360等输出的数字信号
4.产品精致,小巧方便,即插即用,移动性强
五.产品附件:
配件
数量
备注
HD51-A解码器
1台
--
适配电源
1个
9V
光纤线
1条
1m
说明书
1份
--
光纤 同轴 输入模式为5.1的时候 是实现5.1效果 （有位置区别，并不是共响）
注:立体声输入或者输出时为2.1声道，只需要接FL/FR端口就可以,也可接5.1接口(注意接5.1接口的效果只是2.1声到分散到5.1声到，是共响,是虚拟的不是模拟的)按一下前面板2.1/5.1按键,在立体声输出状态时,SL/SR与CEN是没有声音输出的,SW重低音有音输出
以下实物图片：
Introduction
Digital Audio Decoder: Used 24-bit audio DSP, 96 KHz digital receivers, and 192 KHz/24bit ADC and DAC. Support Dolby Digital AC-3 Dolby Pro Logic, DTS, PCM and other digital audio format source decode, a variety of sound field and the replay results of two listening modes, 5.1 analog audio output, will auto work with different amplifier and speakers to get different sound effects, easy to connect many entertainment devices which with optical and coaxial digital signal and analog outputsignals (such as: set-top boxes, HD players, Blu-ray DVD, PS2, PS3, XBOX360)
Ⅱ. Features
1. Convert DTS/AC3 source digital audio to analog 5.1 audio or stereo audio output
2. The analog stereo (L / R) signals after digital processing chip handle convert it to analog 5.1 channel output
3. Multi-channel audio input (SPDIF , Coaxial, Stereo)
2 x SPDIF input, 1 x Coaxial Input, 1 x Stereo
4. Analog 5.1-channel or Stereo output
5. USB 5V Output
6. Dimension: 105*75*25 mm
Ⅲ：Technical Data
1. Signal to Noise: 120db
2. Degree of Separation: 85db
3. Frequency Response: (20Hz ~ 20 KHz) +/- 0.5db
4. Max Output Volt: 2.2V
5. Power Supply DC/5V 1A, (outlay 110V~240V broadband convert DC5V Power)
Ⅳ.Package and Accessory
Products Name
Quantity
Remarks
Digital Audio Decoder
1 unit
DC5V Power Adapter
1 unit
AC100~240V/50~60HZ
Optical Cable
1 unit
User Manual
1 unit
EN
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建议零售价 ¥210.00 影音配件种类 解码器 品牌 优霆 型号 YT-HD51RCA 货号 YT-HD51B 编码芯片类型 DTS 额定电压 5 额定功率 5 额定频率 60 信噪比 0（db） 产品规格 5.1声道DTS解码器 颜色 黑色
