Oppo 93 是不是 read 唔到 DSD Disc
Oppo 93 是不是 read 唔到 DSD Disc? {:6_137:} {:6_141:}{:6_141:} 有冇Ching知適 93 能直讀 DSD Disc 嗎? 回復 3# jjjjjn咩叫 DSD Disc 呀? 冇人答你點解諗吓你個問題本身係咪有問題先呢? 仲不停追問... 你講嘅係DSD CD定係SACD呀? DSD CD同普通CD冇分別, SACD嘅話部Oppo一定可以bitstream DSD. 本帖最後由 samnet1 於 2012-2-17 13:55 編輯
Oppo 93 是不是 read 唔到 DSD Disc?
jjjjjn 發表於 2012-1-22 06:44 http://www.post76.com/discuss/images/common/back.gif
Setup Menu ==> SACD Output==> DSD ( 有冇揀 DSD 呀 ???)
DSD是Direct Stream Digital的缩写,表示直接比特流数字编码,是SACD(Super Audio CD)的编码模式
DSD(Direct Stream Digital)『直接比特流数字』,它是Sony与Philips在1996年宣布共同发展的高解析数字音响规格, DSD新技术与DVD的音响技术指针竞争,用1bit比特流的方式取样,采样率2.4MHz(CD 44.1kHz取样的64倍)的高取样方式,直接把模拟音乐讯号波形以脉冲方式转变为数字讯号,以将近四倍于CD的空间,储存音乐,因此可以提供更为优秀的声音效果,由于取样次数高,所以取样过的波形很圆顺,比较接近原来的模拟波形。
http://baike.baidu.com/view/214111.htm
SACD audio is stored in a format called Direct Stream Digital (DSD), which differs from the conventional PCM used by the compact disc or conventional computer audio systems.
DSD is 1-bit, has a sampling rate of 2.8224 MHz, and makes use of noise shaping quantization techniques in order to push 1-bit quantization noise up to inaudible ultrasonic frequencies. This gives the format a greater dynamic range and wider frequency response than the CD. The SACD format is capable of delivering a dynamic range of 120 dB from 20 Hz to 20 kHz and an extended frequency response up to 100 kHz, although most currently available players list an upper limit of 80–90 kHz and 20 kHz is the upper limit of human hearing.
http://en.wikipedia.org/wiki/Direct_Stream_Digital
Oppo 93 是不是 read 唔到 DSD Disc
Of course it can, even my old Oppo DVD used now as a transport can read the DSD layer of an SACD and output pure DSD.- 發送自我的 iPhone 大板凳應用 -- 有D CD 話 DSD 錄音,其實是普通CD, 任何 CD player 都可play.
-- 如果是 SACD 內條DSD軌,Oppo93 可以自己解碼(setup 內選PCM) 或 直接交給amp 解碼(setup 內選DSD),如果用bitstream DSD 去amp(setup 內選DSD),由oppo93 去amp 應該要經"數碼線" (例如Hdmi)。 但如果是多聲道 DSD CD 是否都可以播到呢? 回復 9# vp920b
新產品???{:6_240:}
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