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Featured researches published by David Koo.


Smpte Journal | 1995

Ghost Cancellation with ITU System-C Standard Ghost Cancellation Reference Signal

David Koo

From 1992 to early 1994, the ITU/B(CCIR) conducted an extensive investigation in ghost cancellation technology and defined an effective ghost cancellation reference (GCR) signal standard (System C) for 525-line and 625-line television systems to improve future television broadcasting quality for both terrestrial and cable environments. This paper will discuss the properties and applications of the GCR signal


Archive | 1986

Picture-in-picture color television receiver

Amihai Miron; David Koo


Archive | 2001

Round-off algorithm without bias for 2's complemetnt data

Dagnachew Birru; Gennady Turkenich; David Koo


Archive | 1992

Method and apparatus for communication channel identification and signal restoration

David Koo


Archive | 1992

System for echo cancellation comprising an improved ghost cancellation reference signal

David Koo


IEEE Transactions on Consumer Electronics | 1987

Design of Multiplierless FIR Digital Filters With Two to the N th Power Coefficients

Amihai Miron; David Koo


Archive | 1986

Architecture for power of two coefficient fir filter

Arup K. Bhattacharya; Michael G. Cristofalo; David Koo; Amihai Miron; Imran Ali Shah


Archive | 1986

Multiplierless FIR digital filter with two to the Nth power coefficients

Amihai Miron; David Koo


Archive | 2001

Pre-equalizer structure based on PN511 sequence for terrestrial DTV reception

Joseph Meehan; David Koo


Archive | 2002

Method and apparatus for echo cancellation in digital communications using an echo cancellation reference signal

David Koo

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