masking noise 中文意思是什麼

masking noise 解釋
掩蔽噪聲
  • masking : n. 偽裝；化裝；掩蔽；掩模。
  • noise : n 1 聲音，聲響。2 叫喊；嘈雜聲，噪音；喧鬧聲；吵鬧，騷動，騷擾。3 〈古語〉謠言，風聲。4 〈美國〉...
  1. In order to reduce the musical residual noise and the background noise, a speech enhancement method based on masking properties of the human auditory system is described. this method uses bark wavelet packet transform to simulate the frequency feature of human auditory model to get the threshold

    本文以最大限度減少殘留噪聲和背景噪聲為目的，採用bark子波分析的方法模擬人耳基底膜的頻率分析特性來進行語音增強，重點進行模擬人耳聽覺掩蔽效應來確定除噪閾值的研究。
  2. Emulation results show that the modified feel weighted filter can reduce the effect of the noise interference by taking good use of the masking effect

    結果表明，修正後的感覺加權濾波器更好地反映出合成濾波器的變化情況，更好地利用了掩蔽效應降低了噪聲干擾的影響。
  3. Speech enhancement method based on masking properties of the human auditory system is used to reduce the white noise in the front - end

    摘要為了提高噪聲環境下說話人識別系統的識別性能，將基於聽覺掩蔽效應的語音增強技術作為預處理器，對語音信號首先進行降噪處理，提高輸入信號的信噪比。
  4. Reference levels for narrow - band masking noise

    窄帶掩蔽噪聲的基準級
  5. Acoustics - reference zero for the calibration of audiometric equipment - reference levels for narrow - band masking noise

    聲學.測聽設備的校準參照區.掩蔽噪聲的參考等級
  6. Acoustics - reference zero for the calibration of audiometric equipment - part 4 : reference levels for narrow - band masking noise

    聲學校準測聽設備的基準零級第4部分：窄帶掩蔽噪聲的基準級
  7. 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 ）模型的音頻數字水印演算法，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純音、類噪音以及各段的總體掩蔽閾值，通過改變大於總體遮蔽閾值的類純音的能量值來嵌入水印信息。
  8. So the products designed in this way can not meet electromagnetic compatibility requirement and become flaw products 。 to prevent the above occurrence, it is proposed in this paper that emc design should be carefully treated in early product design. the methods such as grounding masking, filtering transient noise reduction are used to guarantee the electromagnetic compatibility

    但很多工程技術人員仍沒有加以足夠重視，這樣設計出來的產品將不能滿足電磁兼容性的要求，成為一件有缺陷的產品。為避免上述情況的發生，作者在產品設計初期著重加強電磁兼容性設計，採取接地、屏蔽、濾波、瞬態干擾抑制等措施，以求實現電磁兼容。
  9. Acoustics. reference zero for the calibration of audiometric equipment. part 4 : reference levels for narrow - band masking noise

    聲學.聽力測定儀器的校準用基準0 .第4部分:窄頻帶遮蔽噪聲的基準級
  10. Acoustics - reference zero for the calibration of audiometric equipment - part 4 : reference levels for narrow - band masking noise iso 389 - 4 : 1994 ; german version en iso 389 - 4 : 1998

    聲學.音響設備校正零點參考基準.第4部分:窄帶遮敝噪
  11. A wavelet visible watermarking algorithm is proposed based on noise masking, then the improvement is made based on texture feature of watermark image

    摘要根據圖像的噪聲掩蔽性設計了一種小波域可見水印演算法，並根據水印圖像的紋理特徵對演算法作了進一步改進。
  12. 1. speech enhancement method based on masking properties of the human auditory system is described. in this paper, a threshold is got through simulating the frequency of human auditory in order to reduce the musical residual noise and the background noise

    在閾值法除噪中閾值確定是極為重要的環節，本文模擬人耳聽覺掩蔽效應來確定閾值大小，以有效的掩蔽殘留的音樂噪聲和最大限度的保留語音。
  13. Iii on the hsintien line, masking noise by increasing the foliage around the depot

    機廠噪音問題則採用增加植栽方式，降低民眾感受之噪音量。
  14. In addition, a sophisticated mechanism derived from dwt coding is introduced to take into account several hvs phenomena such as gray - level sensitivity, noise sensibility around edges and isofrequency and nonisofrequency masking

    另外，引入了一個由dwt編碼而來的復雜的機理來考慮幾個hvs現象如灰度級敏感度、邊緣噪音敏感度和頻率掩蔽。
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