Improved speech enhancement algorithm based on time-adaptive threshold wavelet packet transform

Kongzhi yu Juece/Control and Decision

Volumn 24, Issue 6, 2009, Pages 849-853

  Tian, Lan ^a,b   Hou, Zheng Xin ^a   Sun, Jin Song ^b  

^a TIANJIN UNIVERSITY   (China)

^b SHANDONG UNIVERSITY   (China)

Author keywords

Speech enhancement; Time adaptive threshold; Wavelet packet

Indexed keywords

ADAPTIVE THRESHOLDS; CUTTING NOISE; IMPROVED ALGORITHM; NOISY SPEECH SIGNALS; ON TIME; PROBABILITY ESTIMATION; RECOVERED SIGNALS; SPEECH ENHANCEMENT ALGORITHM; SPEECH ENHANCEMENT METHODS; SPEECH QUALITY; SPEECH SIGNALS; TIME ADAPTIVE THRESHOLD; WAVELET ENHANCEMENT; WAVELET PACKET; WAVELET PACKET TRANSFORMS;

ALGORITHMS; SIGNAL PROCESSING;

SPEECH ENHANCEMENT;

EID: 67649429245     PISSN: 10010920     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (10)

1. Donoho D, Johnstone I M. Ideal spatial adaptation by wavelet shrinkage[J]. Biometrika, 1994, 81(3): 425-455.
2. Johnstone I M, Silverman B W. Wavelet threshold estimators for data with correlated noise[J]. J of the Royal Statistical Society, 1997, 59(2): 319-351.
3. Chen S H, Wang J F. Speech enhancement using perceptual wavelet packet decomposition and teager energy operator[J]. J of VLSI Signal Processing, 2004, 36(2/3): 125-139.
4. Cheng L Z, Guo H W. Wavelet and discrete transform theory and application[M]. Beijing: Tsinghua University Press, 2005.
5. Peng Y H. Wavelet transform and engineering application[M]. Beijing: Science Press, 1999.
6. Yi K C, Tian B, Fu Q. Speech signal processing[M]. Beijing: National Defence Industry Press, 2000.
7. Pinter I. Perceptual wavelet-representation of speech signals and its application to speech enhancement[J]. Computer Speech and Language, 1996, 10(2): 1-22.
8. Cohen I. Enhancement of speech using bark scaled wavelet packet decomposition[C]. Proc of the 7th European Conf on Speech, Communication and Technology. Aalborg, 2001: 1933-1936.
9. Sundarrajan R, Philipos C L. A noise-estimation algorithm for highly non-stationary environment[J]. Speech Communication, 2006, 48(2): 220-231.
10. Chen W G, Tian L, Jiang X Q, et al. A speech enhancement method based on quickly tracking the noise spectrum[J]. J of Shandong University, 2006, 36(4): 26-28.