An improved method based on the MTF concept for restoring the power envelope from a reverberant signal

Acoustical Science and Technology

Volumn 25, Issue 4, 2004, Pages 232-242

  Unoki, Masashi ^a   Furukawa, Masakazu ^a,b   Sakata, Keigo ^a,c   Akagi, Masato ^a  

^a JAPAN ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY   (Japan)

^b Fujitsu Prime Software Technol Ltd   (Hong Kong)

^c DENON Ltd

Author keywords

Inverse filtering; Modulation transfer function (MTF); Power envelope; Reverberation time

Indexed keywords

INVERSE FILTERING; POWER ENVELOPE; REVERBERATION TIME; SPEECH SIGNALS;

BANDWIDTH; COMPUTER SIMULATION; FILTRATION; HARMONIC ANALYSIS; IMPULSE RESPONSE; PARAMETER ESTIMATION; RANDOM PROCESSES; REVERBERATION; SIGNAL PROCESSING; SPEECH PROCESSING; WHITE NOISE;

OPTICAL TRANSFER FUNCTION;

EID: 4344685385     PISSN: 13463969     EISSN: None     Source Type: Journal    
DOI: 10.1250/ast.25.232     Document Type: Article

References (17)

1. S. T. Neely and J. B. Allen, "Invertibility of a room impulse response," J. Acoust. Soc. Am., 66, 165-169 (1979).
2. M. Miyoshi and Y. Kaneda, "Inverse filtering of room acoustics," IEEE Trans. Acoust. Speech Signal Process., ASSP-36, 145-152 (1988).
3. H. Wang and F. Itakura, "Realization of acoustic inverse filtering through multi-microphone sub-band processing," IEICE Trans. Fundam., E75-A, 1474-1483 (1992).
4. T. Houtgast and H. J. M. Steeneken, "The modulation transfer function in room acoustics as a predictor of speech intelligibility," Acustica, 28, 66-73 (1973).
5. T. Houtgast, H. J. M. Steeneken and R. Plomp, "Predicting speech intelligibility in room acoustics," Acustica, 46, 60-72 (1980).
6. T. Houtgast and H. J. M. Steeneken, "A review of the MTF concept in room acoustics and its use for estimating speech intelligibility in auditoria," J. Acoust. Soc. Am., 77, 1069-1077 (1985).
7. T. Langhans and H. W. Strube, "Speech enhancement by nonlinear multiband envelope filtering," Proc. ICASSP 82, pp. 156-159 (1982).
8. C. Avendano and H. Hermansky, "Study on the dereverberation of speech based on temporal envelope filtering," Proc. ICSLP 96, pp. 889-892 (1996).
9. J. Mourjopoulos and J. K. Hammond, "Modelling and enhancement of reverberant speech using an envelope convolution method," Proc. ICASSP 83, pp. 1144-1147 (1983).
10. S. Hirobayashi, H. Nomura, T. Koike and M. Tohyama, "Speech waveform recovery from a reverberant speech signal using inverse filtering of the power envelope transfer function," IEICE Trans. A, J81-A, 1323-1330 (1998).
11. M. R. Schroeder, "Modulation transfer functions: definition and measurement," Acustica, 49, 179-182 (1981).
12. A. Papouris, Probability, Random Variables and Stochastic Processes, 3rd Ed. (MacGraw-Hill, Inc., New York, 1991).
13. F. J. Taylor, Principles of Signals and Systems (MacGraw-Hill, Inc., New York, 1994).
14. A. V. Oppenheim and R. W. Schafer, Digital Signal Processing (Prentice-Hall, Inc., London, 1975).
15. T. Arai, M. Pavel, H. Hermansky and C. Avendano, "Syllable intelligibility for temporally filtered LPC cepstral trajectories," J. Acoust. Soc. Am., 105, 2783-2791 (1999).
16. N. Kanedera, T. Arai, H. Hermansky and M. Pavel, "On the importance of various modulation frequencies for speech recognition," Proc. EuroSpeech 97, 1079-1082 (1997).
17. N. Kanedera, T. Arai and T. Funada, "Robust automatic speech recognition emphasizing important modulation spectrum," IEICE Trans. D-II, J84-D-II, 1261-1269 (2001).