純音掩蔽 的英文怎麼說

中文拼音 [chúnyīnyǎn]
純音掩蔽 英文
masking by pure tone
  • : 形容詞1 (純凈; 不含雜質) pure; unmixed 2 (純粹; 單純) simple; pure and simple 3 (純熟) skil...
  • : 名詞1. (聲音) sound 2. (消息) news; tidings 3. [物理學] (音質) tone 4. (姓氏) a surname
  • : 動詞1 (遮蓋; 掩蔽) cover; hide 2 (關; 合) shut; close 3 [方言] (被卡住) get squeezed [pinch...
  • : Ⅰ動詞(遮擋; 遮蔽; 蒙蔽) cover; block; hide; shelter; spread over Ⅱ名詞(姓氏) a surname
  • 掩蔽 : screen; shelter; cover; mask; blanket; hide; defilade; audio masking; aural masking; ensconce
  1. This thesis presents a new audio digital watermark algorithm based on has model. the steps : first, it classifies the signals through fft ; second, calculating the tones, noise and the overall masking threshold of different phases through has, and changing the energy value of tones which are more than that of the overall masking threshold to embed the watermark information

    提出了一種基於人類聽覺系統( has )模型的頻數字水印演算法,該演算法首先對信號進行分段離散快速傅立葉變換( fft ) ,再根據人類聽覺系統模型計算出各段的類、類噪以及各段的總體閾值,通過改變大於總體遮閾值的類的能量值來嵌入水印信息。
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