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一、简介 近来，ＨＤＣＤ的符号开始不断出现在我们眼前，不少资料上都说ＨＤＣＤ可以提高动态，营造更为逼真的三维感觉，具有更自然的音质；有些文章甚至说，即使不用ＨＤＣＤ解码，用普通ＣＤ机播放ＨＤＣＤ编码的音源，都会提高音质。那么，ＨＤＣＤ到底是什么东西呢？它真
I. INTRODUCTION Recently, the symbols of HDCD began to appear in front of us. Many data say that HDCD can improve the dynamic and create a more realistic three-dimensional feeling with more natural sound quality. Some articles even said that even without HDCD decoding, With ordinary CD players play HDCD encoded audio, will improve the sound quality. So what is HDCD in the end? It’s true