Data processing: speech signal processing – linguistics – language – Speech signal processing – Recognition
Patent
1998-01-23
2000-02-08
Dorvil, Richemond
Data processing: speech signal processing, linguistics, language
Speech signal processing
Recognition
704207, G10L 708
Patent
active
060236744
ABSTRACT:
Speech or voice activity in an audio signal is defected without using a speech coder. Pitch period information and signal energy information are extracted from the audio signal, and a decision regarding the presence or absence of voice is made based on that information.
REFERENCES:
patent: 3920907 (1975-11-01), Mullen, Jr. et al.
patent: 4074069 (1978-02-01), Tokura et al.
patent: 4164626 (1979-08-01), Fette
patent: 4351983 (1982-09-01), Crouse et al.
patent: 4672669 (1987-06-01), DesBlache et al.
patent: 4720802 (1988-01-01), Damoulakis et al.
patent: 4959865 (1990-09-01), Stettiner et al.
patent: 5127053 (1992-06-01), Koch
patent: 5255340 (1993-10-01), Arnaud et al.
patent: 5276765 (1994-01-01), Freeman et al.
patent: 5410632 (1995-04-01), Hong et al.
patent: 5459814 (1995-10-01), Gupta et al.
patent: 5509102 (1996-04-01), Sasaki
patent: 5548680 (1996-08-01), Cellario
patent: 5598466 (1997-01-01), Graumann
patent: 5649055 (1997-07-01), Gupta et al.
patent: 5657422 (1997-08-01), Janiszewski et al.
patent: 5689615 (1997-11-01), Benyassine et al.
patent: 5812965 (1998-09-01), Massaloux
patent: 5835851 (1998-11-01), Rasmusson et al.
patent: 5839101 (1998-11-01), Vehatalo et al.
"High-Quality Coding of Telephone Speech and Wideband Audio", Nikil Jayant, Advances in Speech Signal Processing, Marcel Dekker, Inc., New York, USA, 1992.
"Speech Enhancement in the 1980s: Noise Suppression with Pattern Matching", Steven F. Boll, Advances in Speech Signal Processing, Marcel Dekker, Inc., New York, USA, 1992.
European Transactions on Telecommunications and Related Technologies, vol. 5, No. 2, Mar./Apr. 1994, "The Pan-European Mobile Radio System Part II", L. Hanzo et al., pp. 261-276, XP000453467.
IEEE Transactions on Acoustics, Speech and Signal Processing, vol. ASSP-25, No. 6, Dec. 1977, ISSN 0096-3518, "A Pitch Extraction Algorithm Based on LPC Inverse Filtering and AMDF", Chong Kwan Un et al., pp. 565-572, XP002062146.
Noise Compensation Algorithms for Use With Hidden Markov Model Based Speech Recognition by Andrew Varga, Roger Moore, John Bridle, Keith Pointing and Martin Russell Speech Research Unit, Royal Signals and Radar Establishment St. Andrew's Road, Malvero, Worcestershire, Great Britian, 1988, BCC.
Low-Distortion Spectral Subtraction for Speech Enhancement by Peter Handel Proceedings of Eurospeech Conf., pp. 1549-1553, ISSN 1018-4074 (1995).
Suppression of Acoustic Noise in Speech Using Spectral Substraction by Steven F. Boll, Member, IEEE IEE Trans. on ASSP, pp. 113-120, vol. ASSP-27 (1979).
Dorvil Richemond
Telefonaktiebolaget L M Ericsson
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