pitch detection 中文意思是什麼

pitch detection 解釋
基音檢測
  • pitch : n 1 瀝青；含有瀝青的物質；松脂，樹脂。2 人工合成瀝青；人造樹脂。vt 用瀝青塗。vt 1 扔，投，拋，擲...
  • detection : n. 1. 探知；發現，發覺；敗露。2. 【化學】檢定，檢查；【電訊】檢波。
  1. An electromagnetic wave of audio frequency produced by atmospheric disturbances such as lightning, having a characteristically decreasing frequency responsible for a whistling sound of descending pitch in detection equipment

    嘯聲干擾一種由於諸如閃電等大氣干擾而產生的音頻電磁波，具有典型的逐漸減弱頻率的特徵，該頻減引起了檢波設備中調逐漸下降的嘯聲
  2. Autocorrelation algorithm for speech pitch detection based on matlab

    的語音信號自相關基音檢測
  3. If the wavelet transform is directly implemented in pitch detection, comparing the glottal closure singularity of speech signal with image grey break, we will not obtain the anticipative result

    將聲門閉合在語音信號中表現出相應的奇異性，與圖像邊緣的灰階突變進行等價對比，直接將小波變換用於聲門閉合奇異型的檢測，並不會得到預期效果。
  4. According to difference of speech waveform between transition segment and non - transition segment, dividing between sonant is researched using waveform cross correlation. a method of syllable segmentation is presented based on waveform cross - correlation. ( 2 ) pitch detection of speech signals

    為解決濁音之間的分割問題，本文根據語音中過渡段與非過渡段語音波形的差異，利用波形互相關性進行了研究，提出了基於波形互相關性的音節分割方法，並進行了實例分析。
  5. A pitch detection method for three - syllabic word of chinese continuous speech tone

    漢語連續語音三字詞聲調提取方法研究
  6. Algorithm for pitch detection of chinese tri - syllabic words based on wavelet transform

    基於小波變換的漢語三字詞語音基音頻率提取
  7. In this thesis, the research focuses on pitch detection techniques of the low - rate wi speech coding. aimed at the problems of voiced - unvoiced error, pitch doubling and halving, accuracy of pitch detection and pitch quantization, a series of pitch detection techniques including pre - processing, pitch detection and pitch quantization were proposed

    本文就低速率wi語音編碼中的基音檢測技術進行了深入研究，針對基音檢測中的清濁誤判、基音加倍減半、基音檢測精度及基音量化問題，提出了包括基音檢測前端處理、基音檢測演算法及基音量化的一整套基音檢測技術。
  8. The original pitch detection algorithm in wi coder is based on normalized cross - correlation function ( nccf )

    本課題wi編碼器原本採用基於歸一化互相關函數（ normalizedcross - correlationfunction ， nccf ）的基音檢測演算法。
  9. The main aim of speech signal processing is speech coding, speech recognition and speech understanding by automaton. in this paper, firstly, some basic signal process are discussed, such as signal filter, sampling, fft, pitch detection, then, they are tested on the testing board designed by the author

    論文中首先對語音信號的基本處理問題進行了分析和對比，然後在自己設計的基於tms320vc5402的dsp實際系統上，進行了語音處理過程的濾波、采樣、傅立葉變換和譜包絡提取的演算法實現研究，討論了在演算法的dsp實現方法，分析了運行實驗結果。
  10. A central bias function and an arithmetic of pitch detection based on central bias function were proposed for the transition sound, which cannot be detected by the traditional arithmetic of pitch calculation

    摘要針對傳統的基音估計演算法不能適用於過渡音的問題，提出中心偏離函數及基於中心偏離函數的基音周期檢測演算法。
  11. Second, efficient pitch detection is developed in frequency domain, which find fractional pitch. finally, harmonic phase reconstruction that exploits minimum - phase model is proposed

    其次，本文開發了一種高效頻域基音檢測方法，使基音檢測結果精確到分數樣點。
  12. The analysis of the length of frame in pitch detection

    基音檢測中幀長選擇的分析
  13. According to the mechanism of speech signal, an effective pitch detection algorithm by combined liner predictive coding with maximum likelihood was proposed

    摘要根據語音信號產生機理，結合常用的線性預測和最大似然法，提出了一種有效的基音檢測演算法。
  14. In this dissertation a syllable - based method of tone recognition for continuous speech is proposed. this method includes the following procedures : syllable segmentation, pitch detection, feature extraction, tone pattern analysis, and tone recognition. our research is show as follows : ( 1 ) syllable segmentation in continuous speech

    漢語連續語音的聲調識別比孤立字和多字詞的聲調識別更困難，本文提出了基於音節的聲調識別思想，研究了其中涉及的音節分割、聲調獲取、特徵提取、聲調模式分析和聲調識別模型等問題。
  15. Super resolution pitch detection based on band - partitioning spectral entropy and signal decomposition in dct domain

    分帶譜熵與信號分解的高精度基音檢測演算法
  16. Pitch detection is one of the most important tasks in low - rate speech coding field. the accuracy of pitch detection will affect the performance of the whole codec

    基音檢測是低速率語音編碼領域的一個非常重要的問題，準確檢測語音信號的基音周期非常關鍵，它直接影響到整個聲碼器的性能。
  17. On the basis of the performance testing of our real - time codec is optimum algorithm introduced into pre - processing of the speech encoder of tetra. it can advance the veracity of pitch detection

    在對實現的tetra語音編解碼演算法進行性能測試、分析的基礎上，文章提出了在tetra語音編碼的預處理部分採用優化演算法。
  18. Many methods of pitch detection are developed so far, in this thesis the pitch detector using waveform transform is adopted. according to the problem appearing in pitch extraction experiment, a novel algorithm of pitch detection is presented. the pitch points in speech signal exhibit local maximum across several consecutive dyadic scales, and their positions are similar, so the improved approach selects pitch points by vote strategy, not by traditional method

    基頻提取的方法很多，本文採用了小波變換方法，該方法對部分語音得到了較好的結果，但對大部分語音提取的基頻中含有較多錯誤，經仔細分析和研究，本文對它進行了改進，提出了一種基於小波變換的語音基頻檢測新演算法。
  19. In order to overcome the disadvantages of low accuracy, high complexity, and lack of robustness in many actual pitch detection algorithms, a new algorithm for pitch detection on the basis of local modulus maxima of dyadic wavelet transform was presented

    摘要為了克服目前諸多基音周期檢測演算法精度低、計算復雜度高、魯棒性差的缺點，研究了一種採用二進小波變換模極大值進行基音周期檢測的演算法。
  20. And the paper expatiates on the further research on the optimum algorithm for solving the problem of noise disturbance, and experiments to examine its effect to remove noise. thus it discusses how to select the width of numerical value filter on the basis of a compromise in pitch detection and reconstructed speech quality

    最後本文得出結論認為選擇數值濾波演算法分析窗的寬度需要綜合優化演算法中數值濾波對基音檢測和合成語音質量這兩方面不同的影響，而不單單只是考慮它對其中一方面的影響。
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