Improved voice activity detection based on iterative spectral subtraction and double thresholds for CVR

Proceedings - 2008 Workshop on Power Electronics and Intelligent Transportation System, PEITS 2008

Volumn , Issue , 2008, Pages 153-156

  Li, Xiangbin ^a   Li, Guo ^a   Li, Xueren ^a  

^a AIR FORCE ENGINEERING UNIVERSITY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

INTELLIGENT VEHICLE HIGHWAY SYSTEMS; POWER ELECTRONICS; PROBABILITY; RANDOM PROCESSES; SPEECH; SPEECH RECOGNITION; TECHNICAL PRESENTATIONS; VEHICLE LOCATING SYSTEMS;

BLACK BOXES; COCKPIT VOICE RECORDERS; DOUBLE THRESHOLDS; IMPROVED ALGORITHMS; SPECTRAL SUBTRACTIONS; SPEECH FRAMES; VOICE ACTIVITY DETECTIONS;

COCKPITS (AIRCRAFT);

EID: 56449086032     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/PEITS.2008.84     Document Type: Conference Paper

References (7)

1. James R. Cash. Group Chairman's Report of Investigation Sound Spectrum Study of Cockpit Voice Recorder, American Airlines Flight 587, DCA02MA001, Belle Harbor, NY, Nov. 12 ,2002.
2. Ronald Stearman. Signal Analysis of Cockpit Voice Recorder Data, Report No. ASE46Q-FP1 [R]. The University of Texas, 2003.August. 16.
3. YANG Lin, Cockpit Voice Recorder (CVR) and Laboratory Processing Methods [J]. China Civil Aviation, 2003, 29(12):21-22.
4. An Improved Voice Activity Detection Using Higher Order Statistics [J]. IEEE Trans. on Acoustic, Speech, Signal Process, VOL.13.NO.5, SEPTEMBER 2005:965-974
5. Sim B L, Tong Y C, Chang J S, and Tan C T. A parametric formulation of the generalized spectral subtraction method. IEEE Trans. on. Speech and Audio Processing, 1993, 6(4):325-337
6. Boll S F. Suppression of acoustic noise in speech using spectral subtraction. IEEE Trans. on Acoustic, Speech, Signal Process, 1979, ASSP-27(2):113-120
7. Y. Ephraim and D.Malah, "Speech enhancement using a minimum mean-square log-spectral amplitude estimator," IEEE Trans. Acoustic, Speech, Signal Processing, vol. 33, no. 2, pp 443-445, 1985.