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1
Comparison of Four Approaches to Automatic Language Identification of Telephone Speech
In: Institute of Electrical and Electronics Engineers. IEEE transactions on speech and audio processing. - New York, NY : Inst. 4 (1996) 1, 31-44
OLC Linguistik
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2
Language Identification Through Parallel Phone Recognition.
In: DTIC AND NTIS (1995)
BASE
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3
Two-Talker Pitch Tracking for Co-Channel Talker Interference Suppression
In: DTIC AND NTIS (1992)
Abstract: Almost all co-channel talker interference suppression systems use the difference in the pitches of the target and jammer speakers to suppress the jammer and enhance the target. While joint pitch estimators outputting two pitch estimates as a function of time have been proposed, the task of the proper assignment of pitch to speaker (two-talker pitch tracking) has proven difficult. This report describes several approaches to the two-talker pitch tracking problem, including algorithms for pitch track interpolation, spectral envelope tracking, and spectral envelope classification. When evaluated on an all-voiced two-talker database, the best of these new tracking systems correctly assigned pitch 87% of the time when given perfect joint pitch estimation. co-channel talker interference suppression speaker separation sinusoidal transform pitch tracking.
Keyword: *COMMUNICATION AND RADIO SYSTEMS; *INTERFERENCE; *SOUND PITCH; *SUPPRESSION; ALGORITHMS; CCTIS(CO-CHANNEL TALKER INTERFERENCE SUPPRESSION JAMMER); CHANNELS; FUNCTIONS; INTERPOLATION; PE33401F; PE62702F; PE64771F; Radio Communications; SEPARATION; TARGETS; TRACKING; Voice Communications
URL: http://www.dtic.mil/docs/citations/ADA253418
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA253418
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4
Cochannel Talker Interference Suppression
In: DTIC AND NTIS (1991)
BASE
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