number changed tone 中文意思是什麼
number changed tone
解釋
號碼已更改音-
This is to usually be us to use the bandwidth recording of a restrict at 20 khzs the hour affair that take place. 20 part, its result that khz bandwidths figures system can t accurate coding music inside strength it is voice that variety is very quick become to bomb to ring the to is muddy, and the hearer also can t accurately find out the performer s position. the experiment combination that proof, ear and brain make use ofed that kind of short data conduct and actions leading present the draft. more have very, limited the number s flat - out changes of music the musical instrument s tone color. the cd bandwidth is not enough, the musical instrument s tone color changed, and its leading of nature hinted to also changed
由此產生的數據量太大以至不可能存儲在一張cd盤上，於是hdcd編碼器分析了這個高度解析的訊號，來決定當訊號轉化為16bit 44 . 1khz成的訊號儲存在一張cd上時，有哪些音樂方面的訊息將丟失。然後編碼器輸出一個16bit 44 . 1khz的數碼音訊號，在其第16bit有一個隱藏的控制代碼，這個隱藏的聽不見的控制代碼在cd播放器里告訴hdcd解碼器運行某些有關聲音訊號的程序來恢復一些當初在高解析數碼訊號中表現出來的訊息，解碼時可以產生巨大的聲音訊號的變化。這個控制代碼是一種解碼器可以識別的速寫方式。
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