Studies on dereverberation of acoustic signals based on sub-band signal processing 帯域分割処理を用いた音響信号の残響回復に関する研究

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著者

    • 王, 紅 ワン, ホン

書誌事項

タイトル

Studies on dereverberation of acoustic signals based on sub-band signal processing

タイトル別名

帯域分割処理を用いた音響信号の残響回復に関する研究

著者名

王, 紅

著者別名

ワン, ホン

学位授与大学

名古屋大学

取得学位

博士 (工学)

学位授与番号

甲第2781号

学位授与年月日

1993-03-25

注記・抄録

博士論文

目次

  1. Abstract / p1 (0004.jp2)
  2. Contents / p5 (0006.jp2)
  3. 1 Introduction / p8 (0008.jp2)
  4. 1.1 Brief History / p8 (0008.jp2)
  5. 1.2 The Problems / p9 (0008.jp2)
  6. 1.3 A Brief Review of Previous Approaches / p10 (0009.jp2)
  7. 1.4 Basic Idea of This Thesis / p12 (0010.jp2)
  8. 1.5 Thesis Outline / p14 (0011.jp2)
  9. 2 Description and Evaluation of Reverberation Enclosure / p16 (0012.jp2)
  10. 2.1 Reverberation Model / p16 (0012.jp2)
  11. 2.2 Principle of MTF-STI / p17 (0012.jp2)
  12. 2.3 Relation between Reverberation Time and Speech Transmission Index / p18 (0013.jp2)
  13. 2.4 Degradation of Intelligibility and Recognition Rate under Reverberation / p18 (0013.jp2)
  14. 3 Sub-band Analysis-Synthesis System and the Optimum Filters / p21 (0014.jp2)
  15. 3.1 The Construction of the Sub-band Analysis-Synthesis System / p21 (0014.jp2)
  16. 3.2 Evaluation Measure of the System / p24 (0016.jp2)
  17. 3.3 System Performance of Using Different Kinds of Analysis-Synthesis Filters / p25 (0016.jp2)
  18. 4 Single Microphone Sub-band Inverse Filtering and Zero Distribution of the Acoustic Transfer Function / p32 (0020.jp2)
  19. 4.1 The Sub-band Inverse Filtering Method / p33 (0020.jp2)
  20. 4.2 Experimental Conditions / p35 (0021.jp2)
  21. 4.3 Results / p37 (0022.jp2)
  22. 4.4 Discussions / p52 (0030.jp2)
  23. 4.5 Conclusions / p53 (0030.jp2)
  24. 5 Multi-microphone Sub-band Inverse Filtering / p54 (0031.jp2)
  25. 5.1 Multi-microphone Sub-band Inverse Filtering by Sub-band Selection / p55 (0031.jp2)
  26. 5.2 Sub-band Inverse Filtering by Multi-microphone Optimum Weighting / p59 (0033.jp2)
  27. 5.3 Experimental Conditions / p62 (0035.jp2)
  28. 5.4 Results / p63 (0035.jp2)
  29. 5.5 Discussions / p88 (0048.jp2)
  30. 5.6 Conclusions / p90 (0049.jp2)
  31. 6 Implementation of Multi-microphone Dereverberation Approach as a Preprocessor to the Word Recognition System / p92 (0050.jp2)
  32. 6.1 The Recognition System / p93 (0050.jp2)
  33. 6.2 Experimental Conditions / p95 (0051.jp2)
  34. 6.3 The Results / p96 (0052.jp2)
  35. 6.4 Discussions / p105 (0056.jp2)
  36. 6.5 Conclusions / p105 (0056.jp2)
  37. 7 Conclusions / p107 (0057.jp2)
  38. A Toeplitz Recursive Algorithm for Solving Complex Normal Equations / p109 (0058.jp2)
  39. A.1 Derivation of the Recursive Formulas / p110 (0059.jp2)
  40. A.2 The Recursive Algorithm / p112 (0060.jp2)
  41. B Reverberation Time Measurement of ATR Variable Reverberation Time Room / p113 (0060.jp2)
  42. C The Time Stretched Pulse (TSP) Signal / p122 (0065.jp2)
  43. D Calculation of the Distribution of Zeros / p124 (0066.jp2)
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各種コード

  • NII論文ID(NAID)
    500000095766
  • NII著者ID(NRID)
    • 8000000095992
  • DOI(NDL)
  • NDL書誌ID
    • 000000260080
  • データ提供元
    • NDL-OPAC
    • NDLデジタルコレクション
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